{"cik":"0001532022","entityType":"other","sic":"","sicDescription":"","ownerOrg":"","insiderTransactionForOwnerExists":0,"insiderTransactionForIssuerExists":0,"name":"MacKay Municipal Short Term Opportunities Fund, L.P.","tickers":[],"exchanges":[],"ein":"453041041","lei":null,"description":"","website":"","investorWebsite":"","category":"","fiscalYearEnd":"1231","stateOfIncorporation":"DE","stateOfIncorporationDescription":"DE","addresses":{"mailing":{"street1":"9 WEST 57TH STREET","street2":null,"city":"NEW YORK","stateOrCountry":"NY","zipCode":"10019","stateOrCountryDescription":"NY","isForeignLocation":0,"foreignStateTerritory":null,"country":null,"countryCode":null},"business":{"street1":"9 WEST 57TH STREET","street2":null,"city":"NEW YORK","stateOrCountry":"NY","zipCode":"10019","stateOrCountryDescription":"NY","isForeignLocation":null,"foreignStateTerritory":null,"country":null,"countryCode":null}},"phone":"212-320-3893","flags":"","formerNames":[],"filings":{"recent":{"accessionNumber":["0001532022-25-000003","0001137439-24-001542","0001137439-23-001452","0001567619-22-021267","0001567619-21-021567","0001567619-20-020640","0001567619-19-022634","0001567619-18-007419","0001140361-17-045402","0001140361-16-089070","0001140361-15-044261","0001140361-14-044873","0001140361-13-045633","0001140361-12-051031","0001140361-11-049496"],"filingDate":["2025-12-05","2024-12-05","2023-12-05","2022-12-05","2021-12-03","2020-12-04","2019-12-04","2018-12-06","2017-12-08","2016-12-08","2015-12-11","2014-12-11","2013-12-11","2012-12-13","2011-10-14"],"reportDate":["","","","","","","","","","","","","","",""],"acceptanceDateTime":["2025-12-05T15:13:29.000Z","2024-12-05T14:38:13.000Z","2023-12-05T16:45:16.000Z","2022-12-05T20:14:05.000Z","2021-12-03T19:13:52.000Z","2020-12-04T15:44:02.000Z","2019-12-04T18:40:11.000Z","2018-12-06T19:51:47.000Z","2017-12-08T15:16:16.000Z","2016-12-08T15:10:55.000Z","2015-12-11T16:44:39.000Z","2014-12-11T18:07:47.000Z","2013-12-11T20:56:51.000Z","2012-12-13T21:34:19.000Z","2011-10-14T16:40:21.000Z"],"act":["33","33","33","33","33","33","33","33","33","33","33","33","33","33","33"],"form":["D/A","D/A","D/A","D/A","D/A","D/A","D/A","D/A","D/A","D/A","D/A","D/A","D/A","D/A","D"],"fileNumber":["021-167279","021-167279","021-167279","021-167279","021-167279","021-167279","021-167279","021-167279","021-167279","021-167279","021-167279","021-167279","021-167279","021-167279","021-167279"],"filmNumber":["251551544","241528026","231465687","221444734","211469587","201369054","191267872","181220360","171246280","162040556","151282575","141280224","131270991","121262467","111141310"],"items":["06b,3C,3C.7","06b,3C,3C.7","06b,3C,3C.7","06b,3C.7","06b,3C.7","06b,3C.7","06b,3C.7","06b,3C.7","06b,3C.7","06b,3C.7","06b,3C.7","06b,3C.7","06b,3C.7","06,3C.7","06,3C.7"],"core_type":["D/A","D/A","D/A","D/A","D/A","D/A","D/A","D/A","D/A","D/A","D/A","D/A","D/A","D/A","D"],"size":[10662,10653,10620,9845,12208,11791,13209,11885,10957,11029,10849,10771,9805,9851,6981],"isXBRL":[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],"isXBRLNumeric":[null,null,null,null,null,null,null,null,null,null,null,null,null,null,null],"primaryDocument":["xslFormDX01/primary_doc.xml","xslFormDX01/primary_doc.xml","xslFormDX01/primary_doc.xml","xslFormDX01/primary_doc.xml","xslFormDX01/primary_doc.xml","xslFormDX01/primary_doc.xml","xslFormDX01/primary_doc.xml","xslFormDX01/primary_doc.xml","xslFormDX01/primary_doc.xml","xslFormDX01/primary_doc.xml","xslFormDX01/primary_doc.xml","xslFormDX01/primary_doc.xml","xslFormDX01/primary_doc.xml","xslFormDX01/primary_doc.xml","xslFormDX01/primary_doc.xml"],"primaryDocDescription":["","","","","","","","","","","","","","",""]},"files":[]}}