Zafgen Inc

-

Stock Issuer and Owners

Home | Sign Up | Log In
Message
Happy Holidays!! thanks for using AUM13F!!
List of Funds
Boston Firms
Boston Hedge Funds
Cornell Alumni Firms
CalPERS Portfolio
NYSCRF Portfolio
User Guide
Regulatory AUM vs AUM
LP Portfolios
Related Firms
Build a Portfolio
Comprehensive Search
Zafgen Inc
TickerLRMR
CIK #0001374690
CUSIP517125100
SectorLife Sciences - Pharmaceutical Preparations
AddressOne Broadway, 8th Floor, Cambridge, MA 02142
Source [EDGAR]
CIK Filing 2011 - 2025
[0001374690] 10-K
[0001374690] 10-Q
[0001374690] 3
[0001374690] 4
[0001374690] 8-K
[0001374690] D
[0001374690] SC 13D
[0001374690] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Millennium Management LLC Larimar Therapeutics Inc [2025-06-17] 0.0
Opaleye Management Inc Larimar Therapeutics Inc [2025-04-16] 0.0
BlackRock Inc Larimar Therapeutics Inc [2025-02-04] 0.0
Goldman Sachs Group Inc Larimar Therapeutics Inc [2024-11-06] 7.0
RA Capital Management LP Larimar Therapeutics Inc [2024-02-26] 9.5
Verition Fund Management LLC Larimar Therapeutics Inc [2024-02-14] 6.4
Blue Owl Capital Holdings LP Larimar Therapeutics Inc [2024-02-14] 7.78
Janus Henderson Group PLC Larimar Therapeutics Inc [2023-08-18] 5.1
Perceptive Advisors LLC Larimar Therapeutics Inc [2023-02-14] 6.6
Opaleye Management Inc Larimar Therapeutics Inc [2022-02-18] 5.32
CHI Advisors LLC Larimar Therapeutics Inc [2021-03-02] 0.9
Logos Global Master Fund LP Larimar Therapeutics Inc [2021-02-16] 2.0
RA Capital Management LP Larimar Therapeutics Inc [2021-02-16] 9.9
Acuta Capital Partners LLC Larimar Therapeutics Inc [2021-02-16] 5.6
OrbiMed Advisors LLC Larimar Therapeutics Inc [2021-02-12] 4.77
Vivo Capital IX LLC Larimar Therapeutics Inc [2020-06-11] 1.0
Chondrial Therapeutics Holdings LLC Larimar Therapeutics Inc [2020-06-08] 39.8
Flynn James E Larimar Therapeutics Inc [2020-06-08] 39.76
SIO Capital Management LLC Zafgen Inc [2020-02-14] 6.11
Renaissance Technologies LLC Zafgen Inc [2020-02-12] 6.38
Sphera Funds Management Ltd Zafgen Inc [2020-02-11] 7.59
Chondrial Therapeutics Holdings LLC Zafgen Inc [2019-12-27] 14.4
EcoR1 Capital LLC Zafgen Inc [2019-10-15] 8.4
683 Capital Management LLC Zafgen Inc [2019-09-16] 6.2
Hirschman Orin Zafgen Inc [2019-08-16] 5.42
Armistice Capital LLC Zafgen Inc [2019-03-25] 5.6
BlackRock Inc Zafgen Inc [2019-02-08] 7.0
Great Point Partners LLC Zafgen Inc [2018-07-09] 0.52
State Street Corp Zafgen Inc [2016-02-16] 5.9
Franklin Resources Inc Zafgen Inc [2016-02-11] 7.3
Flynn James E Zafgen Inc [2016-02-01] 9.98
Flynn James E Zafgen Inc [2015-12-14] 4.94
Flynn James E Zafgen Inc [2015-11-30] 4.78
Foresite Capital Fund II LP Zafgen Inc [2015-10-23] 4.05
Third Rock Ventures LP Zafgen Inc [2015-02-13] 24.7
Atlas Venture Fund VII L P Zafgen Inc [2015-02-12] 24.81
Alta Partners VIII LP Zafgen Inc [2015-02-12] 5.1
FMR LLC Zafgen Inc [2014-07-10] 0.0
Form 3/4/5 Filer 2011 - 2025
Deerfield Mgmt L.P.
Flynn James E
Deerfield Healthcare Innovations Fund, L.P.
Deerfield Private Design Fund IV, L.P.
Deerfield Mgmt III, L.P.
Deerfield Mgmt HIF, L.P.
Deerfield Management Company LP
Deerfield Mgmt IV, L.P.
Deerfield Partners LP
Larimar Therapeutics, Inc.
Deerfield Private Design Fund III, L.P.
Leff Jonathan S
Thomas Frank E
Hamilton Thomas Edward
Truitt Joseph
Sherman Jeffrey W
Clayton Russell
Shankar Gopi
Celano Michael
Ben-Maimon Carole
Barrett Peter
Daniel Thomas O
Chondrial Therapeutics Holdings LLC
Lamattina John L
Everett Wendy
McDonough Cameron Geoffrey
Perez Robert J
Singhal Priya
Allen Patricia L
Hatfield Jeffrey S.
McVeigh Brian
Kim Dennis D
Atlas Venture Associates VII, L.P.
Atlas Venture Associates VII, Inc.
Atlas Venture Fund VII L P
Hughes Thomas E.
Booth Bruce
Heller Frances K
Deerfield International Master Fund, L.P.
Deerfield Special Situations Fund, L.P.
Secor Alicia
Loustau Patrick
Starr Kevin P
Goldberg Avi Y.
Third Rock Ventures GP, L.P.
TRV GP LLC
Levin Mark J
Third Rock Ventures LP
Tepper Robert I
Form 13F Holdings
Firm Period DFND Voting Shares
Deerfield Management Company LP [2025-06-30] DFND 21,231,974 21,231,974
RA Capital Management LP [2025-06-30] SOLE 6,045,351 6,045,351
Blue Owl Capital Holdings LP [2025-06-30] DFND 0 4,928,040
Opaleye Management Inc [2025-06-30] SOLE 4,110,000 4,110,000
Millennium Management LLC [2025-06-30] SOLE 3,655,189 3,655,189
BlackRock, Inc. [2025-06-30] SOLE 2,958,765 3,039,980
Logos Global Management LP [2025-06-30] SOLE 2,500,000 2,500,000
Vanguard Group Inc [2025-06-30] SOLE 0 2,112,300
Alyeska Investment Group LP [2025-06-30] SOLE 2,075,882 2,075,882
Caption Management LLC [2025-06-30] SOLE 2,033,890 2,033,890
Citadel Advisors LLC [2025-06-30] DFND 1,446,355 1,446,355
Two Sigma Advisers LP [2025-06-30] SOLE 1,102,741 1,146,924
Geode Capital Management LLC [2025-06-30] DFND 904,425 904,425
Two Sigma Investments LP [2025-06-30] SOLE 903,611 903,611
State Street Corp [2025-06-30] DFND 791,568 858,968
Mangrove Partners IM LLC [2025-06-30] SOLE 770,233 770,233
Hudson Bay Capital Management LP [2025-06-30] SOLE 726,761 726,761
Woodline Partners LP [2025-06-30] SOLE 622,682 622,682
HAP Trading, LLC [2025-06-30] SOLE 611,276 611,276
Verition Fund Management LLC [2025-06-30] SOLE 567,683 567,683
Renaissance Technologies LLC [2025-06-30] SOLE 561,742 561,742
Driehaus Capital Management LLC [2025-06-30] SOLE 535,464 535,464
AQR Capital Management LLC [2025-06-30] DFND 419,263 419,271
DAFNA Capital Management LLC [2025-06-30] SOLE 371,434 371,434
Northern Trust Corp [2025-06-30] DFND 337,342 337,342
Susquehanna International Group LLP [2025-06-30] OTR 250,295 322,795
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AM [2025-06-30] DFND 307,198 307,198
Assenagon Asset Management S.A. [2025-06-30] SOLE 256,861 256,861
Adar1 Capital Management LLC [2025-06-30] SOLE 237,605 237,605
Nuveen, LLC [2025-06-30] DFND 227,002 227,002
Prev | Page 1 | Next
Terms | Privacy | Guide
tony@aum13f.com