{"cik":"0000887818","entityType":"other","sic":"","sicDescription":"","ownerOrg":"","insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":0,"name":"FACTORY MUTUAL INSURANCE CO","tickers":[],"exchanges":[],"ein":"050316605","lei":null,"description":"","website":"","investorWebsite":"","category":"","fiscalYearEnd":"1231","stateOfIncorporation":"RI","stateOfIncorporationDescription":"RI","addresses":{"mailing":{"street1":"404 WYMAN STREET","street2":"SUITE 390","city":"WALTHAM","stateOrCountry":"MA","zipCode":"02451","stateOrCountryDescription":"MA","isForeignLocation":0,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"404 WYMAN STREET","street2":"SUITE 390","city":"WALTHAM","stateOrCountry":"MA","zipCode":"02451","stateOrCountryDescription":"MA","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":"7818909300","flags":"","formerNames":[{"name":"ARKWRIGHT MUTUAL INSURANCE COMPANY","from":"1999-07-16T04:00:00.000Z","to":"1999-10-12T04:00:00.000Z"}],"filings":{"recent":{"accessionNumber":["0001085146-26-000920","0000887818-26-000004","0000887818-26-000003","0000887818-26-000002","0000887818-26-000001","0000887818-25-000002","0001085146-25-005050","0001085146-25-004651","0001085146-25-002161","0001085146-25-000453","0001085146-24-004830","0001085146-24-004382","0001085146-24-003166","0001085146-24-001757","0001085146-24-000402","0001085146-23-004141","0001085146-23-002914","0001085146-23-002116","0001085146-23-000590","0001085146-22-003767","0001085146-22-002877","0001085146-22-002063","0001085146-22-000785","0001085146-21-003132","0001085146-21-001973","0001085146-21-001540","0001085146-21-001018","0001085146-20-002563","0001085146-20-001773","0001085146-20-001143","0001085146-20-000314","0001085146-19-002599","0001085146-19-001896","0001085146-19-001118","0001085146-19-000139","0001085146-18-002273","0001085146-18-001719","0001085146-18-000984","0001085146-18-000130","0001085146-17-002027","0001085146-17-001456","0001085146-17-001012","0001085146-17-000141","0001085146-16-004570","0001085146-16-003969","0001085146-16-003535","0001085146-16-002610","0001085146-15-001998","0001085146-15-001474","0001085146-15-000914","0001085146-15-000059","0001085146-14-002078","0001085146-14-001650","0001085146-14-001173","0001085146-14-000238","0001085146-13-001698","0001085146-13-001223","0001085146-13-000819","0001085146-13-000155","0001085146-12-001230","0001085146-12-000956","0001085146-12-000799","0001085146-12-000101","0001085146-12-000090","0001085146-11-001029","0001085146-11-000764","0001085146-11-000487","0001085146-11-000370","0001085146-10-000987","0001085146-10-000568","0001085146-10-000343","0001085146-10-000034","0001085146-09-003348","0001085146-09-003339","0001085146-09-002965","0001085146-09-002039","0001085146-09-000470","0001085146-08-001278","0001085146-08-000821","0001085146-08-000544","0001085146-08-000106","0001085146-07-000931","0001085146-07-000720","0001085146-07-000484","0001085146-07-000062","0001085146-06-000611","0001085146-06-000427","0001085146-06-000243","0001085146-06-000035","0001085146-05-000489","0001085146-05-000299","0001085146-05-000172","0001085146-05-000001","0001085146-04-000366","0001085146-04-000258","0001085146-04-000154","0001085146-04-000011","0001085146-03-000297","0001085146-03-000215","0001085146-03-000133","0001085146-03-000015","0001085146-02-000160","0001085146-02-000108","0001085146-02-000056","0001085146-02-000011","0001085146-01-500152","0001085146-01-500097","0001085146-01-500054","0001085146-01-500017","0000887818-00-000004","0000887818-00-000003","0000887818-00-000002","0000887818-00-000001","0000887818-99-000013","0000887818-99-000012","0000887818-99-000011","0000887818-99-000010"],"filingDate":["2026-10-30","2026-08-18","2026-07-21","2026-05-05","2026-01-23","2025-11-10","2025-08-14","2025-08-07","2025-04-17","2025-01-24","2024-10-10","2024-08-29","2024-07-23","2024-04-12","2024-01-23","2023-11-07","2023-07-27","2023-05-08","2023-02-02","2022-11-04","2022-08-08","2022-05-13","2022-02-10","2021-11-12","2021-07-14","2021-05-10","2021-02-17","2020-10-19","2020-07-13","2020-04-16","2020-01-28","2019-10-22","2019-07-16","2019-04-09","2019-01-14","2018-10-10","2018-07-19","2018-04-05","2018-01-16","2017-10-11","2017-07-10","2017-04-21","2017-01-19","2016-10-26","2016-07-12","2016-04-27","2016-01-14","2015-10-14","2015-07-21","2015-04-13","2015-01-12","2014-11-04","2014-08-12","2014-05-15","2014-02-04","2013-10-16","2013-07-25","2013-04-30","2013-01-31","2012-10-16","2012-07-31","2012-05-15","2012-02-01","2012-01-30","2011-10-20","2011-07-20","2011-04-26","2011-02-16","2010-11-15","2010-07-27","2010-04-23","2010-01-25","2009-10-21","2009-10-20","2009-07-24","2009-05-06","2009-01-27","2008-10-24","2008-07-18","2008-04-21","2008-01-24","2007-10-23","2007-07-26","2007-04-19","2007-01-25","2006-10-27","2006-07-26","2006-04-21","2006-01-30","2005-11-04","2005-07-18","2005-04-18","2005-01-12","2004-10-12","2004-07-20","2004-04-21","2004-01-23","2003-10-24","2003-07-25","2003-04-25","2003-01-31","2002-10-21","2002-07-16","2002-04-23","2002-01-17","2001-10-18","2001-07-27","2001-05-10","2001-02-08","2000-10-11","2000-07-26","2000-04-18","2000-01-19","1999-10-12","1999-07-16","1999-07-16","1999-06-14"],"reportDate":["2026-09-30","2026-06-30","2026-06-30","2026-03-31","2025-12-31","2025-09-30","2025-06-30","2025-06-30","2025-03-31","2024-12-31","2024-09-30","2024-06-30","2024-06-30","2024-03-31","2023-12-31","2023-09-30","2023-06-30","2023-03-31","2022-12-31","2022-09-30","2022-06-30","2022-03-31","2021-12-31","2021-09-30","2021-06-30","2021-03-31","2020-12-31","2020-09-30","2020-06-30","2020-03-31","2019-12-31","2019-09-30","2019-06-30","2019-03-31","2018-12-31","2018-09-30","2018-06-30","2018-03-31","2017-12-31","2017-09-30","2017-06-30","2017-03-31","2016-12-31","2016-09-30","2016-06-30","2016-03-31","2015-12-31","2015-09-30","2015-06-30","2015-03-31","2014-12-31","2014-09-30","2014-06-30","2014-03-31","2013-12-31","2013-09-30","2013-06-30","2013-03-31","2012-12-31","2012-09-30","2012-06-30","2012-03-31","2011-12-31","2011-12-31","2011-09-30","2011-06-30","2011-03-31","2010-12-31","2010-09-30","2010-06-30","2010-03-31","2009-12-31","2009-09-30","2009-09-30","2009-06-30","2009-03-31","2008-12-31","2008-09-30","2008-06-30","2008-03-31","2007-12-31","2007-09-30","2007-06-30","2007-03-31","2006-12-31","2006-09-30","2006-06-30","2006-03-31","2005-12-31","2005-09-30","2005-06-30","2005-03-31","2004-12-31","2004-09-30","2004-06-30","2004-03-31","2003-12-31","2003-09-30","2003-06-30","2003-03-31","2002-12-31","2002-09-30","2002-06-30","2002-03-31","2001-12-31","2001-09-30","2001-06-29","2001-03-31","2000-12-31","2000-09-30","2000-06-30","2000-03-31","1999-12-31","1999-09-30","1999-06-30","1999-03-31","1999-03-31"],"acceptanceDateTime":["2026-10-30T00:20:57.000Z","2026-08-17T22:08:43.000Z","2026-07-21T18:40:04.000Z","2026-05-05T17:11:46.000Z","2026-01-22T22:58:53.000Z","2025-11-07T23:47:28.000Z","2025-08-13T23:45:43.000Z","2025-08-07T19:49:38.000Z","2025-04-17T13:59:00.000Z","2025-01-23T23:05:42.000Z","2024-10-10T21:16:51.000Z","2024-08-29T15:48:18.000Z","2024-07-22T21:48:50.000Z","2024-04-12T18:10:51.000Z","2024-01-23T19:02:27.000Z","2023-11-06T23:09:01.000Z","2023-07-27T00:37:03.000Z","2023-05-08T21:20:27.000Z","2023-02-02T15:10:58.000Z","2022-11-03T22:25:55.000Z","2022-08-08T20:35:29.000Z","2022-05-13T14:36:37.000Z","2022-02-10T21:18:47.000Z","2021-11-12T15:11:34.000Z","2021-07-14T00:50:24.000Z","2021-05-10T20:57:13.000Z","2021-02-17T16:24:33.000Z","2020-10-19T20:47:04.000Z","2020-07-13T20:52:58.000Z","2020-04-16T21:12:01.000Z","2020-01-28T22:25:18.000Z","2019-10-22T15:35:55.000Z","2019-07-16T14:39:30.000Z","2019-04-09T14:01:37.000Z","2019-01-14T22:05:43.000Z","2018-10-10T00:52:03.000Z","2018-07-19T19:33:07.000Z","2018-04-05T19:57:41.000Z","2018-01-16T17:24:12.000Z","2017-10-11T18:32:42.000Z","2017-07-10T18:45:06.000Z","2017-04-21T19:12:11.000Z","2017-01-19T00:03:07.000Z","2016-10-26T15:56:23.000Z","2016-07-12T20:19:38.000Z","2016-04-27T14:34:19.000Z","2016-01-14T20:48:11.000Z","2015-10-14T10:21:25.000Z","2015-07-21T00:40:10.000Z","2015-04-11T01:45:32.000Z","2015-01-12T12:53:38.000Z","2014-11-04T21:29:53.000Z","2014-08-12T21:24:29.000Z","2014-05-15T17:53:32.000Z","2014-02-04T22:05:00.000Z","2013-10-16T21:21:26.000Z","2013-07-25T18:52:18.000Z","2013-04-29T22:47:35.000Z","2013-01-30T22:57:18.000Z","2012-10-15T23:41:25.000Z","2012-07-31T01:26:05.000Z","2012-05-15T20:19:00.000Z","2012-01-31T23:01:38.000Z","2012-01-27T23:00:47.000Z","2011-10-20T10:59:11.000Z","2011-07-20T12:30:12.000Z","2011-04-26T11:07:27.000Z","2011-02-16T15:19:54.000Z","2010-11-15T20:17:26.000Z","2010-07-27T01:19:42.000Z","2010-04-22T21:41:55.000Z","2010-01-25T22:29:05.000Z","2009-10-21T13:56:00.000Z","2009-10-20T13:00:33.000Z","2009-07-24T00:30:31.000Z","2009-05-06T11:09:07.000Z","2009-01-27T02:08:04.000Z","2008-10-24T13:32:14.000Z","2008-07-18T21:02:53.000Z","2008-04-21T16:17:47.000Z","2008-01-24T22:11:53.000Z","2007-10-22T23:34:36.000Z","2007-07-26T21:28:58.000Z","2007-04-19T01:15:02.000Z","2007-01-25T21:52:00.000Z","2006-10-27T14:16:04.000Z","2006-07-26T11:35:36.000Z","2006-04-21T21:30:32.000Z","2006-01-30T21:38:48.000Z","2005-11-04T22:12:11.000Z","2005-07-18T20:45:54.000Z","2005-04-18T19:09:39.000Z","2005-01-12T16:51:07.000Z","2004-10-12T12:51:24.000Z","2004-07-20T14:58:36.000Z","2004-04-21T14:31:54.000Z","2004-01-23T21:47:39.000Z","2003-10-24T21:24:12.000Z","2003-07-25T12:59:45.000Z","2003-04-25T19:26:56.000Z","2003-01-31T21:52:30.000Z","2002-10-21T21:21:15.000Z","2002-07-16T14:33:56.000Z","2002-04-23T04:00:00.000Z","2002-01-17T05:00:00.000Z","2001-10-18T04:00:00.000Z","2001-07-27T04:00:00.000Z","2001-05-10T04:00:00.000Z","2001-02-08T05:00:00.000Z","2000-10-11T04:00:00.000Z","2000-07-26T04:00:00.000Z","2000-04-18T04:00:00.000Z","2000-01-19T05:00:00.000Z","1999-10-12T04:00:00.000Z","1999-07-16T04:00:00.000Z","1999-07-16T04:00:00.000Z","1999-06-14T04:00:00.000Z"],"act":["34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","34","","","","","","","","","","","","","","","","","","","","","","",""],"form":["13F-HR","N-PX","13F-HR","13F-HR","13F-HR","13F-HR","N-PX","13F-HR","13F-HR","13F-HR","13F-HR","N-PX","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR/A","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR/A","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR/A","13F-HR"],"fileNumber":["028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189","028-03189"],"filmNumber":["261503822","261287898","261189734","26941890","26552708","251463920","251213652","251193662","25844842","25551171","241365865","241260806","241132451","24840918","24551962","231381041","231115000","23898977","23579178","221359599","221144942","22920876","22614205","211400908","211089115","21908100","21643251","201246588","201025669","20797075","20555658","191160952","19956416","19738683","19525584","181114762","18960447","18740541","18528020","171132440","17957562","17775400","17534542","161951936","161764138","161593804","161342970","151157200","15996774","15765663","15520642","141193570","141035057","14845791","14573099","131154775","13986049","13793706","13560133","121144728","12995043","12844992","12560383","12552984","111149102","11976572","11778697","11616286","101191812","10970241","10765330","10545528","091129308","091127098","09960462","09799586","09546557","081138470","08959861","08766119","08548331","071184252","071004152","07774735","07553586","061167508","06980321","06773570","06562379","051181145","05959835","05756478","05525184","041073350","04921296","04744373","04541111","03957126","03802067","03664645","03535051","02794269","02703561","02618309","2511911","1761710","1691043","1627544","1528718","738408","679102","603718","509526","99726172","99665809","99665799","99645459"],"items":["","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","",""],"core_type":["13F-HR","N-PX","13F-HR","13F-HR","13F-HR","13F-HR","N-PX","13F-HR","13F-HR","13F-HR","13F-HR","N-PX","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR/A","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR/A","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR","13F-HR/A","13F-HR"],"size":[109934,102745,127376,121902,122009,121367,84712,101331,104318,100801,108005,98543,106133,105544,101290,97616,89188,86571,91588,84446,84405,79901,78210,75973,74322,76536,75396,62782,53400,55224,57100,56639,63229,61841,61909,67002,76189,77977,70718,79879,79427,79868,84446,84884,84390,78822,77215,81651,80012,88520,76393,75946,73912,73148,70339,70343,69200,24796,24402,24401,23331,23461,23745,23730,23603,23586,23985,24670,24672,25461,24134,24275,24553,21217,24267,24533,23742,23877,24533,23604,23476,23212,22938,22806,22412,22015,20942,21210,20683,20685,20404,20673,19216,18825,18772,18375,17870,17460,16780,17188,16128,15858,15874,15437,19314,16182,15527,21514,16201,14113,14316,15547,15030,15588,11630,11712,11701],"isXBRL":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"isInlineXBRL":[0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0],"isXBRLNumeric":[0,0,0,0,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null,null],"primaryDocument":["xslForm13F_X02/primary_doc.xml","xslN-PX_X01/primary_doc.xml","xslForm13F_X02/primary_doc.xml","xslForm13F_X02/primary_doc.xml","xslForm13F_X02/primary_doc.xml","xslForm13F_X02/primary_doc.xml","xslN-PX_X01/primary_doc.xml","xslForm13F_X02/primary_doc.xml","xslForm13F_X02/primary_doc.xml","xslForm13F_X02/primary_doc.xml","xslForm13F_X02/primary_doc.xml","xslN-PX_X01/primary_doc.xml","xslForm13F_X02/primary_doc.xml","xslForm13F_X02/primary_doc.xml","xslForm13F_X02/primary_doc.xml","xslForm13F_X02/primary_doc.xml","xslForm13F_X02/primary_doc.xml","xslForm13F_X02/primary_doc.xml","xslForm13F_X02/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","xslForm13F_X01/primary_doc.xml","factory1q2013.txt","factory4q2012.txt","fact3q2012.txt","factory2q2012.txt","fact1q2012.txt","facta1_4q2011.txt","fact4q2011.txt","fact3q2011.txt","fact2q2011.txt","fact1q11.txt","fact4q10.txt","fact3q10.txt","fact2q10.txt","fact1q10.txt","fact4q09.txt","facta1_3q09.txt","fact3q09.txt","fact2q09.txt","fact1q09.txt","fact4q08.txt","fact3q08.txt","fact2q08.txt","fact1q08.txt","fact4q07.txt","fact3q07.txt","fact2q07.txt","fact1q07.txt","fact4q06.txt","fact3q06.txt","fact2q06.txt","fact1q06.txt","fact4q05.txt","fact3q05.txt","fact2q05.txt","fact1q05.txt","fact4q04.txt","fact3q04.txt","fact2q04.txt","fact1q04.txt","fact4q03.txt","fact3q03.txt","fact2q03.txt","fact1q03.txt","fact4q02.txt","fact3q02.txt","fact2q02.txt","fact1q02.txt","fact4q01.txt","fact3q01.txt","fact2q01.txt","factorymutual1q01.txt","factorymutual4q00.txt","0001.txt","0001.txt","","","","","",""],"primaryDocDescription":["","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","","FACTORY MUTUAL INSURANCE COMPANY","FACTORY MUTUAL INSURANCE COMPANY","FACTORY MUTUAL INSURANCE COMPANY","FACTORY MUTUAL INSURANCE COMPANY","FACTORY MUTUAL INSURANCE COMPANY","FACTORY MUTUAL INSURANCE COMPANY","FACTORY MUTUAL INSURANCE COMPANY","FACTORY MUTUAL INSURANCE COMPANY","FACTORY MUTUAL INSURANCE","FACTORY MUTUAL INSURANCE","FACTORY MUTUAL INSURANCE","FACTORY MUTUAL INSURANCE","FACTORY MUTUAL INSURANCE","FACTORY MUTUAL INSURANCE","FACTORY MUTUAL INSURANCE","FACTORY MUTUAL INSURANCE","FACTORY MUTUAL INSURANCE","FACTORY MUTUAL INSURANCE","FACTORY MUTUAL INSURANCE","FACTORY MUTUAL INSURANCE","FACTORY MUTUAL INSURANCE","FACTORY MUTUAL INSURANCE","FACTORY MUTUAL INSURANCE","FACTORY MUTUAL INSURANCE","FACTORY MUTUAL INSURANCE","FACTORY MUTUAL INSURANCE","FACTORY MUTUAL INSURANCE","FACTORY MUTUAL INSURANCE","FACTORY MUTUAL INSURANCE","FACTORY MUTUAL INSURANCE","FACTORY MUTUAL INSURANCE","FACTORY MUTUAL INSURANCE","FACTORY MUTUAL INSURANCE","FACTORY MUTUAL INS","FACTORY MUTUAL INS","FACTORY MUTUAL INS","FACTORY MUTUAL INSURANCE","FM GLOBAL","FM GLOBAL","FM GLOBAL - FACTORY MUTUAL INS","FACTORY MUTUAL INS","FM GLOBAL","FACTORY MUTUAL INS","FM GLOBAL","FM GLOBAL","FM GLOBAL","FM GLOBAL","FM GLOBAL","FACTORY MUTUAL INS","FACTORY MUTUAL INSURANCE","FACTORY MUTUAL INSURANCE","FACTORY MUTUAL INSURANCE CO","FORM 13F","FORM 13F","FORM 13F","FORM 13F","FORM 13F","FORM 13F","FORM 13F","FORM 13F"]},"files":[]}}