Loomis Sayles & Co L P

Entity
Company
Business address
One Financial Ctr, Legal & Compliance, 5 Th Floor, 02111 Boston, MA
Phone
617-748-1761
13F signature
Mari Shimokawa - Deputy CCO
13D/G Schedule signature
Loomis, Sayles & Co., L.P. - Deputy Chief Compliance Officer
All SEC filings
View on sec.gov
Loomis Sayles & Co L P has filed 401 SEC EDGAR filings since 5/11/1999

Latest Filings

Form type Document Filing Description Filing date Reporting date File number(s)
13F-HR Open Document Open Filing Nov 13, 2025 Sep 30, 2025 028-00398
SCHEDULE 13G/A Open Document Open Filing Nov 13, 2025
40-APP/A Open Document Open Filing 40-APP/A Oct 7, 2025 812-15627-06
13F-HR Open Document Open Filing Aug 13, 2025 Jun 30, 2025 028-00398
SCHEDULE 13G/A Open Document Open Filing Aug 13, 2025
N-PX Open Document Open Filing Aug 5, 2025 Jun 30, 2025 028-00398
40-APP/A Open Document Open Filing 40-APP/A Jul 1, 2025 812-15627-06
SCHEDULE 13G/A Open Document Open Filing May 15, 2025
SCHEDULE 13G/A Open Document Open Filing May 15, 2025
13F-HR Open Document Open Filing May 14, 2025 Mar 31, 2025 028-00398
40-APP/A Open Document Open Filing 40-APP/A Apr 17, 2025 812-15627-06
SCHEDULE 13G Open Document Open Filing Feb 12, 2025
SCHEDULE 13G/A Open Document Open Filing Feb 12, 2025
13F-HR Open Document Open Filing Feb 12, 2025 Dec 31, 2024 028-00398
SCHEDULE 13G/A Open Document Open Filing Nov 14, 2024
13F-HR Open Document Open Filing Nov 13, 2024 Sep 30, 2024 028-00398
SCHEDULE 13G/A Open Document Open Filing Nov 13, 2024
40-APP Open Document Open Filing 40-APP Sep 12, 2024 812-15627-06
N-PX Open Document Open Filing Aug 26, 2024 Jun 30, 2024 028-00398
13F-HR Open Document Open Filing Aug 13, 2024 Jun 30, 2024 028-00398
13F-HR Open Document Open Filing May 14, 2024 Mar 31, 2024 028-00398
SC 13G/A Open Document Open Filing SEI 13G/A Feb 13, 2024
SC 13G/A Open Document Open Filing DISH NETWORK 13G/A Feb 13, 2024
13F-HR Open Document Open Filing Feb 13, 2024 Dec 31, 2023 028-00398
13F-HR Open Document Open Filing Nov 9, 2023 Sep 30, 2023 028-00398
13F-HR Open Document Open Filing Aug 11, 2023 Jun 30, 2023 028-00398
13F-HR/A Open Document Open Filing May 15, 2023 Mar 31, 2023 028-00398
13F-HR Open Document Open Filing May 11, 2023 Mar 31, 2023 028-00398
SC 13G/A Open Document Open Filing SEI 13G/A Feb 13, 2023
SC 13G/A Open Document Open Filing FACTSET RESEARCH SYSTEMS INC 13G/A Feb 13, 2023
SC 13G/A Open Document Open Filing EXPEDITORS INTL WASH INC 13G/A Feb 13, 2023
SC 13G/A Open Document Open Filing DISH NETWORK 13G/A Feb 13, 2023
13F-HR Open Document Open Filing Feb 10, 2023 Dec 31, 2022 028-00398
13F-HR Open Document Open Filing Nov 14, 2022 Sep 30, 2022 028-00398
13F-HR Open Document Open Filing Aug 5, 2022 Jun 30, 2022 028-00398
13F-HR Open Document Open Filing May 13, 2022 Mar 31, 2022 028-00398
SC 13G/A Open Document Open Filing SEI 13G/A Feb 14, 2022
SC 13G/A Open Document Open Filing HEXION 13G/A Feb 14, 2022
SC 13G/A Open Document Open Filing FACTSET RESEARCH 13G/A Feb 14, 2022
SC 13G/A Open Document Open Filing EXPEDITORS INTL WASH INC 13G/A Feb 14, 2022
SC 13G Open Document Open Filing DISH NETWORK CORP 13G Feb 14, 2022
13F-HR Open Document Open Filing Feb 14, 2022 Dec 31, 2021 028-00398
13F-HR Open Document Open Filing Nov 12, 2021 Sep 30, 2021 028-00398
SC 13G/A Open Document Open Filing PIONEER 13GA Nov 9, 2021
SC 13G/A Open Document Open Filing LONESTAR 13GA Nov 9, 2021
13F-HR Open Document Open Filing Aug 13, 2021 Jun 30, 2021 028-00398
SC 13G/A Open Document Open Filing WHITING PETROLEUM 13G/A Jul 9, 2021
13F-HR Open Document Open Filing May 17, 2021 Mar 31, 2021 028-00398
SC 13G Open Document Open Filing LONESTAR 13G Feb 16, 2021
SC 13G Open Document Open Filing PIONEER ENERGY SERVICES CORP 13G Feb 16, 2021
SC 13G/A Open Document Open Filing GOOSEHEAD INSURANCE INC 13G/A Feb 12, 2021
SC 13G Open Document Open Filing WHITING PETROLEUM CORP 13G Feb 12, 2021
SC 13G/A Open Document Open Filing SEI 13G/A Feb 12, 2021
SC 13G/A Open Document Open Filing ISTAR INC 13G/A Feb 12, 2021
SC 13G Open Document Open Filing HEXION 13G Feb 12, 2021
SC 13G/A Open Document Open Filing FACTSET RESEARCH 13G/A Feb 12, 2021
SC 13G/A Open Document Open Filing EXPEDITORS INTL WASH INC 13G/A Feb 12, 2021
13F-HR Open Document Open Filing Feb 12, 2021 Dec 31, 2020 028-00398
13F-HR Open Document Open Filing Nov 12, 2020 Sep 30, 2020 028-00398
13F-HR Open Document Open Filing Aug 14, 2020 Jun 30, 2020 028-00398
13F-HR Open Document Open Filing May 15, 2020 Mar 31, 2020 028-00398
SC 13G/A Open Document Open Filing VARIAN MEDICAL SYSTEMS 13G/A Feb 14, 2020
SC 13G/A Open Document Open Filing SEI 13G/A Feb 14, 2020
SC 13G/A Open Document Open Filing FACTSET RESEARCH 13G/A Feb 14, 2020
SC 13G/A Open Document Open Filing EVO PAYMENTS INC 13G/A Feb 14, 2020
SC 13G/A Open Document Open Filing EXPEDITORS INTL WASH INC 13G/A Feb 14, 2020
SC 13G/A Open Document Open Filing AUTODESK INC 13G/A Feb 14, 2020
SC 13G Open Document Open Filing GOOSEHEAD INSURANCE 13G Feb 14, 2020
13F-HR Open Document Open Filing Feb 14, 2020 Dec 31, 2019 028-00398
SC 13G/A Open Document Open Filing ISTAR INC 13G/A Jan 10, 2020
13F-HR Open Document Open Filing Nov 13, 2019 Sep 30, 2019 028-00398
13F-HR Open Document Open Filing Aug 14, 2019 Jun 30, 2019 028-00398
SC 13G/A Open Document Open Filing ISTAR INC 13G/A Aug 8, 2019
13F-HR Open Document Open Filing May 15, 2019 Mar 31, 2019 028-00398
SC 13G/A Open Document Open Filing VARIAN MEDICAL SYSTEMS 13G/A Feb 14, 2019
SC 13G/A Open Document Open Filing SEI 13G/A Feb 14, 2019
SC 13G/A Open Document Open Filing ISTAR INC 13G/A Feb 14, 2019
SC 13G/A Open Document Open Filing FACTSET RESEARCH 13G/A Feb 14, 2019
SC 13G/A Open Document Open Filing Feb 14, 2019
SC 13G/A Open Document Open Filing AUTODESK INC 13G/A Feb 14, 2019
SC 13G Open Document Open Filing EVO PAYMENTS INC Feb 14, 2019
13F-HR Open Document Open Filing Feb 14, 2019 Dec 31, 2018 028-00398
40-APP Open Document Open Filing 40-APP Dec 21, 2018 812-14992-01
13F-HR Open Document Open Filing Nov 13, 2018 Sep 30, 2018 028-00398
13F-HR Open Document Open Filing Aug 14, 2018 Jun 30, 2018 028-00398
13F-HR Open Document Open Filing May 11, 2018 Mar 31, 2018 028-00398
SC 13G/A Open Document Open Filing ISTAR INC 13G/A May 10, 2018
SC 13G/A Open Document Open Filing VARIAN MEDICAL SYSTEMS 13G/A Feb 14, 2018
SC 13G/A Open Document Open Filing SEI 13G/A Feb 14, 2018
SC 13G/A Open Document Open Filing OLD REPUBLIC INTL CORP 13G/A Feb 14, 2018
SC 13G/A Open Document Open Filing FACTSET RESEARCH 13G/A Feb 14, 2018
SC 13G/A Open Document Open Filing EXPEDITORS INTL WASH INC 13G/A Feb 14, 2018
SC 13G Open Document Open Filing AUTODESK INC 13G Feb 14, 2018
13F-HR Open Document Open Filing Feb 14, 2018 Dec 31, 2017 028-00398
SC 13G/A Open Document Open Filing ISTAR INC 13G/A Feb 9, 2018
SC 13G Open Document Open Filing ISTAR INC 13G Jan 31, 2018
13F-HR Open Document Open Filing Nov 14, 2017 Sep 30, 2017 028-00398
13F-HR Open Document Open Filing Aug 14, 2017 Jun 30, 2017 028-00398
SC 13G/A Open Document Open Filing HERCULES OFFSHORE 13G/A Aug 9, 2017
SC 13G/A Open Document Open Filing Jul 7, 2017
13F-HR Open Document Open Filing May 12, 2017 Mar 31, 2017 028-00398
SC 13G/A Open Document Open Filing VARIAN MEDICAL 13G/A Feb 14, 2017
SC 13G/A Open Document Open Filing SEI 13G/A Feb 14, 2017
SC 13G/A Open Document Open Filing OLD REPUBLIC INTL CORP 13G/A Feb 14, 2017
SC 13G/A Open Document Open Filing HERCULES OFFSHORE 13G/A Feb 14, 2017
SC 13G/A Open Document Open Filing HAWAIIN TELECOM 13G/A Feb 14, 2017
SC 13G/A Open Document Open Filing FACTSET RESEARCH 13G/A Feb 14, 2017
SC 13G/A Open Document Open Filing EXPEDITORS INTL WASH 13G/A Feb 14, 2017
SC 13G/A Open Document Open Filing CIENA CORP 13G/A Feb 14, 2017
13F-HR Open Document Open Filing Feb 14, 2017 Dec 31, 2016 028-00398
SC 13G/A Open Document Open Filing ROVI CORP 13G/A Dec 9, 2016
SC 13G/A Open Document Open Filing GREENHILL 13G/A Dec 9, 2016
13F-HR Open Document Open Filing Nov 14, 2016 Sep 30, 2016 028-00398
13F-HR Open Document Open Filing Aug 12, 2016 Jun 30, 2016 028-00398
SC 13G/A Open Document Open Filing ICONIX BRAND GROUP INC 13G/A Aug 9, 2016
13F-HR Open Document Open Filing May 13, 2016 Mar 31, 2016 028-00398
SC 13G Open Document Open Filing VARIAN MEDICAL 13G Feb 12, 2016
SC 13G Open Document Open Filing ICONIX BRAND 13G Feb 12, 2016
SC 13G Open Document Open Filing EXPEDITORS 13G Feb 12, 2016
SC 13G Open Document Open Filing ROVI CORP 13G Feb 12, 2016
SC 13G/A Open Document Open Filing FACTSET RESEARCH 13G/A Feb 12, 2016
SC 13G/A Open Document Open Filing HAWAIIANTELECOM 13G/A Feb 12, 2016
SC 13G/A Open Document Open Filing SEI 13G/A Feb 12, 2016
SC 13G/A Open Document Open Filing OLD REPUBLIC INTL CORP 13G/A Feb 12, 2016
SC 13G/A Open Document Open Filing GREENHILL 13G/A Feb 12, 2016
SC 13G/A Open Document Open Filing HERCULES OFFSHORE INC 13G/A Feb 12, 2016
SC 13G/A Open Document Open Filing CIENA CORP 13G/A 2015 Feb 12, 2016
13F-HR Open Document Open Filing Feb 12, 2016 Dec 31, 2015 028-00398
SC 13G Open Document Open Filing HERCULES OFFSHORE INC 13G Dec 10, 2015
SC 13G/A Open Document Open Filing Nov 13, 2015
13F-HR Open Document Open Filing Nov 13, 2015 Sep 30, 2015 028-00398
SC 13G/A Open Document Open Filing Sep 10, 2015
13F-HR Open Document Open Filing Aug 14, 2015 Jun 30, 2015 028-00398
13F-HR Open Document Open Filing May 14, 2015 Mar 31, 2015 028-00398
SC 13G Open Document Open Filing Feb 17, 2015
SC 13G Open Document Open Filing Feb 17, 2015
SC 13G Open Document Open Filing Feb 17, 2015
SC 13G Open Document Open Filing Feb 17, 2015
SC 13G/A Open Document Open Filing Feb 17, 2015
SC 13G/A Open Document Open Filing Feb 17, 2015
SC 13G/A Open Document Open Filing Feb 17, 2015
SC 13G/A Open Document Open Filing Feb 17, 2015
13F-HR Open Document Open Filing Feb 17, 2015 Dec 31, 2014 028-00398
13F-HR/A Open Document Open Filing Dec 18, 2014 Sep 30, 2014 028-00398
13F-HR Open Document Open Filing Nov 14, 2014 Sep 30, 2014 028-00398
SC 13G/A Open Document Open Filing Sep 10, 2014
SC 13G/A Open Document Open Filing Sep 10, 2014
13F-HR Open Document Open Filing Aug 14, 2014 Jun 30, 2014 028-00398
SC 13G/A Open Document Open Filing May 16, 2014
SC 13G Open Document Open Filing May 15, 2014
13F-HR Open Document Open Filing May 15, 2014 Mar 31, 2014 028-00398
SC 13G/A Open Document Open Filing Feb 12, 2014
SC 13G/A Open Document Open Filing Feb 12, 2014
SC 13G/A Open Document Open Filing Feb 12, 2014
13F-HR Open Document Open Filing Feb 12, 2014 Dec 31, 2013 028-00398