ARCA Biopharma 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
ARCA Biopharma Inc
TickerORKA
CIK #0000907654
CUSIP687604108
SectorLife Sciences - In Vitro & In Vivo Diagnostic Substances
Address8001 Arista Place Suite 200, Broomfield, CO 80021
Source [EDGAR]
CIK Filing 2011 - 2025
[0000907654] 10-K
[0000907654] 10-Q
[0000907654] 3
[0000907654] 4
[0000907654] 8-K
[0000907654] D
[0000907654] SC 13D
[0000907654] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
BlackRock Inc Oruka Therapeutics Inc [2025-07-17] 0.0
RTW Investments LP Oruka Therapeutics Inc [2025-05-15] 0.0
Deep Track Capital LP Oruka Therapeutics Inc [2025-05-13] 0.0
FMR LLC Oruka Therapeutics Inc [2024-10-07] 0.0
Fairmount Funds Management LLC Oruka Therapeutics Inc [2024-09-06] 19.99
Venrock Healthcare Capital Partners III LP ARCA Biopharma Inc [2024-04-29] 5.2
Allostery Investments LP ARCA Biopharma Inc [2024-04-15] 7.3
Janus Henderson Group PLC ARCA Biopharma Inc [2024-04-11] 7.4
Avidity Partners Management LP ARCA Biopharma Inc [2024-04-09] 6.9
Adage Capital Management LP ARCA Biopharma Inc [2024-04-05] 8.28
Western Standard LLC ARCA Biopharma Inc [2023-09-11] 0.0
Funicular Fund LP ARCA Biopharma Inc [2022-03-28] 6.49
BML Investment Partners LP ARCA Biopharma Inc [2022-01-27] 5.3
Altium Capital Management LP ARCA Biopharma Inc [2020-06-10] 9.99
Sabby Management LLC ARCA Biopharma Inc [2020-06-01] 0.99
Renaissance Technologies LLC ARCA Biopharma Inc [2019-02-12] 5.88
Tekla Capital Management LLC ARCA Biopharma Inc [2016-02-12] 0.0
Franklin Resources Inc ARCA Biopharma Inc [2016-01-08] 17.9
Franklin Resources Inc ARCA Biopharma Inc [2015-07-09] 13.7
Growth Equity Opportunities IV LLC ARCA Biopharma Inc [2015-06-29] 21.3
Venrock Healthcare Capital Partners LP ARCA Biopharma Inc [2015-06-25] 17.1
RA Capital Management LLC ARCA Biopharma Inc [2015-06-25] 0.0
McCormack Riley ARCA Biopharma Inc [2013-10-07] 18.26
Sabby Management LLC ARCA Biopharma Inc [2013-06-03] 0.99
[2012-12-28] None
Atlas Venture Fund VII L P ARCA Biopharma Inc [2012-11-02] 12.0
Sabby Management LLC ARCA Biopharma Inc [2012-08-08] 5.83
Form 3/4/5 Filer 2011 - 2025
Oruka Therapeutics, Inc.
Sandler Laura Lee
Turtle Cameron
Ball Kristine M
Fairmount Healthcare Co-Invest III L.P.
Fairmount Funds Management LLC
Harwin Peter Evan
Kiselak Tomas
Fairmount Healthcare Fund II L.P.
Kulkarni Samarth
Dambkowski Carl
Shah Nimish P
Koh Bong Y
Venrock Healthcare Capital Partners III, L.P.
VHCP Co-Investment Holdings III, LLC
VHCP Management III, LLC
VHCP Management EG, LLC
Venrock Healthcare Capital Partners EG, L.P.
Goncalves Joana
Agarwal Arjun
Klein Lawrence Otto
Quinlan Paul T
Ma-Weaver Jacob
Janus Henderson Group PLC
Janus Henderson Biotech Innovation Master Fund Ltd
Mitchell Daniel J
Woosley Raymond L.
Grais Linda
Conway Robert E
Flynn James P
Hove Anders D
Funicular Funds, LP
Keuer Thomas A
Dekker C. Jeffrey
Funicular Fund, LP
Ozeroff Christopher David
Bristow Michael R
Selby Brian L.
VHCP Co-Investment Holdings II, LLC
VHCP Management II, LLC
Venrock Healthcare Capital Partners LP
VHCP Co-Investment Holdings, LLC
VHCP Management, LLC
Venrock Healthcare Capital Partners II, L.P.
Viswanathan Ravi
Sandell Scott D
Sakoda Jon
Mott David M
Makower Joshua
Florence Anthony A. Jr.
Baskett Forest
Barris Peter J
NEA Partners 15, L.P.
Growth Equity Opportunities Fund IV, LLC
NEA 15 GP LLC
New Enterprise Associates 15, L.P.
Sonsini Peter W.
Weller Harry R
Kolluri Krishna Kittu
mccormack riley
Wheeler Patrick M
Zabriskie John L
Atlas Venture Associates VII, L.P.
Atlas Venture Fund VII L P
Formela Jean Francois
Sobel Burton E
Brewer Richard B
Form 13F Holdings
Firm Period DFND Voting Shares
FMR LLC [2025-06-30] DFND 5,616,471 5,616,471
VR Adviser LLC [2025-06-30] SOLE 4,148,428 4,148,428
Fairmount Funds Management LLC [2025-06-30] SOLE 3,371,922 3,371,922
BlackRock, Inc. [2025-06-30] SOLE 1,951,312 1,988,880
RTW Investments LP [2025-06-30] SOLE 1,945,649 1,945,649
Deep Track Capital LP [2025-06-30] SOLE 1,918,798 1,918,798
Vanguard Group Inc [2025-06-30] SOLE 0 1,794,684
Braidwell LP [2025-06-30] SOLE 1,524,842 1,524,842
Commodore Capital LP [2025-06-30] SOLE 1,419,714 1,419,714
Franklin Resources Inc [2025-06-30] DFND 1,012,968 1,012,968
Polar Capital Holdings Plc [2025-06-30] DFND 975,000 975,000
Mercer Global Advisors Inc /ADV [2025-06-30] SOLE 0 852,338
Blackstone Inc. [2025-06-30] OTR 0 826,724
Geode Capital Management LLC [2025-06-30] DFND 707,406 707,406
Affinity Asset Advisors LLC [2025-06-30] SOLE 603,479 603,479
Cable Car Capital LP [2025-06-30] SOLE 600,000 600,000
Frazier Life Sciences Management LP [2025-06-30] SOLE 583,327 583,327
SR One Capital Management LP [2025-06-30] SOLE 430,330 430,330
Woodline Partners LP [2025-06-30] SOLE 390,904 390,904
State Street Corp [2025-06-30] DFND 335,806 372,806
Price T Rowe Associates Inc /MD/ [2025-06-30] SOLE 372,503 372,503
Avidity Partners Management LP [2025-06-30] SOLE 352,124 352,124
Point72 Asset Management LP [2025-06-30] DFND 0 330,000
Northern Trust Corp [2025-06-30] DFND 218,026 218,026
Morgan Stanley [2025-06-30] DFND 207,523 208,328
SilverArc Capital Management LLC [2025-06-30] SOLE 165,389 165,389
Adar1 Capital Management LLC [2025-06-30] SOLE 142,780 142,780
Candriam S.C.A. [2025-06-30] SOLE 116,698 116,698
UBS Group AG [2025-06-30] DFND 110,646 110,646
Barclays PLC [2025-06-30] SOLE 91,164 91,164
Prev | Page 1 | Next
Terms | Privacy | Guide
tony@aum13f.com