Investor Camber Capital Management LP
13D/G Filings

This page shows a list of all the recent 13D/G filings made by Camber Capital Management LP . Schedule 13D is commonly referred to as a “beneficial ownership report.” The term "beneficial owner" is defined under SEC rules. It includes any person who directly or indirectly shares voting power or investment power (the power to sell the security).

When a person or group of persons acquires beneficial ownership of more than 5% of a voting class of a company’s equity securities, they are required to file a Schedule 13D within ten days after the purchase. Click the link icon to see the full transaction history.

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Date Form Target Prev
Shares		 Current
Shares		 Change
(Percent)		 Ownership
(Percent)		 Change
(Percent)
2025-08-27 13G/A ZIMV / ZimVie Inc. 1,600,000 0
2025-08-14 13G/A ZIMV / ZimVie Inc. 1,885,000 1,600,000
2025-05-16 13G/A BKD / Brookdale Senior Living Inc. 6,250,000 6,250,000
2025-05-15 13G/A ZIMV / ZimVie Inc. 2,725,000 1,885,000
2025-05-15 13G/A INGN / Inogen, Inc. 975,000
2025-05-15 13G/A OSUR / OraSure Technologies, Inc. 900,000
2025-05-15 13G/A BKD / Brookdale Senior Living Inc. 17,168,525 6,250,000
2025-02-14 13G/A PTCT / PTC Therapeutics, Inc. 3,200,000
2025-02-14 13G/A BKD / Brookdale Senior Living Inc. 17,168,525
2025-02-14 13G/A PBYI / Puma Biotechnology, Inc. 0
2025-02-14 13G/A ZIMV / ZimVie Inc. 2,725,000
2025-02-14 13G/A MYGN / Myriad Genetics, Inc. 3,100,000
2025-02-14 13G/A 0
2024-02-14 13G/A QTRX / Quanterix Corporation
2024-02-14 13G/A MYGN / Myriad Genetics, Inc.
2024-02-14 13G/A INGN / Inogen, Inc.
2024-02-14 13G/A ZIMV / ZimVie Inc.
2024-02-14 13G/A BKD / Brookdale Senior Living Inc.
2024-02-14 13G/A PBYI / Puma Biotechnology, Inc.
2023-10-30 13G PTCT / PTC Therapeutics, Inc.
2023-07-24 13G INGN / Inogen, Inc.
2023-02-14 13G/A MYGN / Myriad Genetics, Inc.
2023-02-14 13G/A QTRX / Quanterix Corporation
2023-02-14 13G/A ZIMV / ZimVie Inc.
2023-02-14 13G/A BKD / Brookdale Senior Living Inc.
2023-02-14 13G/A PBYI / Puma Biotechnology, Inc.
2023-02-02 13G OSUR / OraSure Technologies, Inc. 4,250,000
2022-12-12 13G SLDB / Solid Biosciences Inc.
2022-08-19 13G QTRX / Quanterix Corporation
2022-05-12 13G MYGN / Myriad Genetics, Inc.
2022-03-21 13G ZIMV / ZimVie Inc.
2022-02-14 13G/A COLL / Collegium Pharmaceutical, Inc.
2022-02-14 13G/A MYGN / Myriad Genetics, Inc.
2022-02-14 13G/A AVRO / AVROBIO, Inc.
2022-02-14 13G/A PBYI / Puma Biotechnology, Inc.
2022-02-14 13G/A BKD / Brookdale Senior Living Inc.
2021-11-08 13D OSUR / OraSure Technologies, Inc. 4,250,000
2021-07-29 13G OSUR / OraSure Technologies, Inc.
2021-02-16 13G/A US00163U1060 / AMAG Pharmaceuticals, Inc.
2021-02-16 13G/A BKD / Brookdale Senior Living Inc.
2021-02-16 13G/A GLYC / GlycoMimetics, Inc.
2021-02-16 13G/A CHNG / Change Healthcare Inc
2021-02-16 13G/A PBYI / Puma Biotechnology, Inc.
2021-02-16 13G/A MYGN / Myriad Genetics, Inc.
2021-02-16 13G/A ATRA / Atara Biotherapeutics, Inc.
2020-11-30 13G AVRO / AVROBIO, Inc.
2020-07-13 13G CHNG / Change Healthcare Inc
2020-06-30 13G PBYI / Puma Biotechnology, Inc.
2020-06-22 13G MYGN / Myriad Genetics, Inc.
2020-02-21 13G COLL / Collegium Pharmaceutical, Inc.
2020-02-14 13G/A THOR / Synthorx Inc
2020-02-14 13G/A CYCN / Cyclerion Therapeutics, Inc.
2020-02-14 13G/A BKD / Brookdale Senior Living Inc.
2020-02-14 13G/A US29266S3040 / Endologix, Inc.
2020-02-14 13G/A CLVS / Clovis Oncology Inc
2020-02-14 13G/A ZYME / Zymeworks Inc.
2019-10-15 13G US00163U1060 / AMAG Pharmaceuticals, Inc. 4,390,000
2019-09-20 13D US00163U1060 / AMAG Pharmaceuticals, Inc. 4,390,000
2019-08-15 13G GLYC / GlycoMimetics, Inc.
2019-07-29 13G ATRA / Atara Biotherapeutics, Inc.
2019-06-17 13G CYCN / Cyclerion Therapeutics, Inc.
2019-03-18 13G BKD / Brookdale Senior Living Inc.
2019-02-14 13G/A THC / Tenet Healthcare Corporation
2019-02-14 13G/A NVTA / Invitae Corporation
2019-02-14 13G/A GHDX / Genomic Health, Inc.
2019-02-14 13G/A CLVS / Clovis Oncology Inc
2019-02-14 13G/A US29266S3040 / Endologix, Inc.
2019-02-14 13G/A ATRA / Atara Biotherapeutics, Inc.
2018-11-14 13G ZYME / Zymeworks Inc.
2018-10-25 13G CLVS / Clovis Oncology Inc
2018-08-13 13G TSRO / TESARO, Inc.
2018-02-14 13G/A CSII / Cardiovascular Systems Inc.
2018-02-14 13G/A BIOS / BioPlus Acquisition Corp - Class A
2018-02-14 13G/A ATXS / Astria Therapeutics, Inc.
2018-02-14 13G/A US00163U1060 / AMAG Pharmaceuticals, Inc.
2018-02-14 13G/A BIOL / BIOLASE, Inc.
2018-02-14 13G/A OFIX / Orthofix Medical Inc.
2018-02-14 13G/A MYGN / Myriad Genetics, Inc.
2018-02-14 13G/A CRDC / Cardica, Inc.
2018-02-14 13G/A US29266S3040 / Endologix, Inc.
2018-01-05 13G ATRA / Atara Biotherapeutics, Inc.
2017-08-21 13G THC / Tenet Healthcare Corporation
2017-07-31 13G US00163U1060 / AMAG Pharmaceuticals, Inc.
2017-05-25 13G/A US00163U1060 / AMAG Pharmaceuticals, Inc.
2017-05-15 13G US00163U1060 / AMAG Pharmaceuticals, Inc.
2017-02-14 13G/A INNL / Innocoll Holdings plc
2017-02-14 13G/A CYH / Community Health Systems, Inc.
2017-02-14 13G/A MYGN / Myriad Genetics, Inc.
2017-02-14 13G/A PTCT / PTC Therapeutics, Inc.
2017-02-14 13G/A PLX / Protalix BioTherapeutics, Inc.
2017-02-14 13G/A BIOS / BioPlus Acquisition Corp - Class A
2017-02-14 13G/A EPRSQ / Epirus Biopharmaceuticals Inc
2017-02-14 13G/A NVTA / Invitae Corporation
2017-02-14 13G/A UAM / Universal American Corp.
2017-02-14 13G/A CSII / Cardiovascular Systems Inc.
2017-01-23 13G US29266S3040 / Endologix, Inc.
2016-11-28 13G MYGN / Myriad Genetics, Inc.
2016-11-07 13G CYH / Community Health Systems, Inc.
2016-09-29 13G PTCT / PTC Therapeutics, Inc.
2016-09-07 13D/A SQNM / Sequenom, Inc. 17,325,000 0
2016-05-23 13G ELOS / Syneron Medical Ltd.
2016-03-24 13D SQNM / Sequenom, Inc. 17,325,000
2016-02-12 13G/A EPRSQ / Epirus Biopharmaceuticals Inc
2016-02-12 13G/A AMRN / Amarin Corporation plc - Depositary Receipt (Common Stock)
2016-02-12 13G/A TRVN / Trevena, Inc.
2016-02-12 13G/A GHDX / Genomic Health, Inc.
2016-02-12 13G/A ATXS / Astria Therapeutics, Inc.
2016-02-12 13G/A NVTA / Invitae Corporation
2016-02-12 13G/A UAM / Universal American Corp.
2016-02-12 13G/A BIOL / BIOLASE, Inc.
2016-02-12 13G/A EGRX / Eagle Pharmaceuticals, Inc.
2016-02-12 13G/A OFIX / Orthofix Medical Inc.
2016-02-12 13G/A MASI / Masimo Corporation
2016-02-12 13G/A SQNM / Sequenom, Inc.
2016-02-12 13G/A BIOS / BioPlus Acquisition Corp - Class A
2016-02-05 13G LDRH / iShares Trust - iShares iBonds 1-5 Year High Yield and Income Ladder ETF 533,400
2016-01-26 13G/A CSII / Cardiovascular Systems Inc.
2015-12-22 13G NVTA / Invitae Corporation
2015-11-02 13G CSII / Cardiovascular Systems Inc.
2015-10-23 13G/A PLX / Protalix BioTherapeutics, Inc.
2015-10-13 13G/A SQNM / Sequenom, Inc.
2015-07-06 13G ATXS / Astria Therapeutics, Inc.
2015-05-11 13G BIOS / BioPlus Acquisition Corp - Class A
2015-05-04 13G INNL / Innocoll Holdings plc
2015-04-20 13G PLX / Protalix BioTherapeutics, Inc.
2015-02-13 13G/A OFIX / Orthofix Medical Inc.
2015-02-13 13G/A US00448Q2012 / Achillion Pharmaceuticals, Inc.
2015-02-13 13G/A SQNM / Sequenom, Inc.
2015-02-13 13G/A BIOL / BIOLASE, Inc.
2015-02-13 13G/A AMRN / Amarin Corporation plc - Depositary Receipt (Common Stock)
2015-02-13 13G/A GHDX / Genomic Health, Inc.
2015-02-09 13G EPRSQ / Epirus Biopharmaceuticals Inc
2015-02-09 13G CNMD / CONMED Corporation
2015-02-02 13G EGRX / Eagle Pharmaceuticals, Inc.
2014-12-19 13D/A VOLC / Volcano Corp 2,550,000
2014-12-15 13G TRVN / Trevena, Inc.
2014-11-10 13G MASI / Masimo Corporation
2014-10-16 13G UAM / Universal American Corp.
2014-10-02 13D VOLC / Volcano Corp 5,050,000
2014-09-30 13G OFIX / Orthofix Medical Inc.
2014-06-30 13G GHDX / Genomic Health, Inc.
2014-06-23 13G SQNM / Sequenom, Inc.
2014-05-29 13G US00448Q2012 / Achillion Pharmaceuticals, Inc.
2014-05-16 13G VOLC / Volcano Corp
2014-04-25 13G DXTR / Dextera Surgical Inc.
2014-02-03 13G/A RMTI / Rockwell Medical, Inc.
2014-02-03 13G/A US0906721065 / BioTelemetry, Inc.
2014-02-03 13G/A BIOL / BIOLASE, Inc.
2014-02-03 13G/A ARWR / Arrowhead Pharmaceuticals, Inc.
2014-02-03 13G/A ARIA / ARIAD Pharmaceuticals, Inc.
2014-02-03 13G/A DSCI / Derma Sciences, Inc.
2014-01-31 13G AMRN / Amarin Corporation plc - Depositary Receipt (Common Stock)
2013-12-16 13D CNMD / CONMED Corporation 1,385,000
2013-10-23 13G ARIA / ARIAD Pharmaceuticals, Inc.
2013-10-01 13G BIOL / BIOLASE, Inc.
2013-07-12 13G/A NTUS / Natus Medical Inc
2013-05-24 13G RMTI / Rockwell Medical, Inc.
2013-05-09 13G ARWR / Arrowhead Pharmaceuticals, Inc.
2013-02-14 13G/A US0906721065 / BioTelemetry, Inc.
2013-02-14 13G/A NTUS / Natus Medical Inc
2013-02-14 13G/A DSCI / Derma Sciences, Inc.
2012-07-31 13G/A NTUS / Natus Medical Inc
2012-05-29 13G DSCI / Derma Sciences, Inc.
2012-05-04 13D/A CPTS / CENTURY PLAZA TOWERS 2019-CPT CPTS 2019 CPT A 144A 985,863
2012-04-11 13G DSCI / Derma Sciences, Inc.
2012-02-14 13G/A US0906721065 / BioTelemetry, Inc.