Oruka TherapeuticsORKA

13F holders, Q4 2025 (December 31)
143holders +38
39new positions
8sold out
5famous investors
$30.31avg. 13F price*

At the end of Q4 2025, 143 institutions reported holding Oruka Therapeutics Inc. (ORKA) in their 13F filings, up 38 from Q3 2025. 39 opened new positions and 8 sold out. The largest holders were FMR LLC ($220.1M), Venrock Adviser, LLC ($125.7M) and Fairmount Funds Management LLC ($112.3M). 5 famous investors held it, including Andreas Halvorsen (0.2% of Viking Global Investors's portfolio), Steve Cohen (0.0% of Point72 Asset Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).

Company
Oruka Therapeutics Inc.
CUSIP
687604108
Latest filing quarter
Q2 2026

History

Number of 13F holders

0100200300 Q3 2024: 42Q3 2024Q4 2024: 66Q4 2024Q1 2025: 71Q1 2025Q2 2025: 81Q2 2025Q3 2025: 105Q3 2025Q4 2025: 143Q4 2025Q1 2026: 184Q1 2026Q2 2026: 255Q2 2026

Total Exit/New Position Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions39$104.0M
Exits8$2.4M

All 13F filers, Q3 2025 → Q4 2025: 8,593,380 shares bought and 3,006,122 shares sold, net +5,587,258 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 143 holders

FMR LLC 0.01% Add +0.1% 7,261,384 $220.1M
Venrock Adviser, LLC 6.21% No change 4,148,428 $125.7M
Fairmount Funds Management LLC 8.55% No change 3,705,262 $112.3M
BlackRock, Inc. 0.00% Add +60.5% 3,539,415 $107.3M
Viking Global Investors 0.21% No change 2,666,690 $80.8M
Vanguard Group Inc. 0.00% Add +38.1% 2,453,530 $74.4M
Deep Track Capital, LP 1.49% Reduce -18.6% 2,161,510 $65.5M
RTW Investments, LP 0.62% Add +5.8% 2,058,148 $62.4M
Commodore Capital LP 3.54% No change 1,753,054 $53.1M
Paradigm Biocapital Advisors LP 1.39% New 1,710,316 $51.8M
Remedium Capital Partners, LLC 27.64% — 1,552,414 $47.1M
Perceptive Advisors LLC 0.82% Add +16.4% 1,476,501 $44.8M
State Street Corp. 0.00% Add +112.2% 1,383,847 $41.9M
Avoro Capital Advisors LLC 0.40% No change 1,333,340 $40.4M
Blackstone Inc. 0.15% Add +37.0% 1,165,408 $35.3M
Polar Capital Holdings Plc 0.14% Reduce -5.2% 978,288 $29.7M
Geode Capital Management, LLC 0.00% Add +36.6% 942,507 $28.6M
Franklin Resources Inc. 0.01% Reduce -11.9% 938,421 $28.4M
Affinity Asset Advisors, LLC 1.80% Reduce -16.4% 802,342 $24.3M
Mercer Global Advisors Inc. 0.03% Reduce -12.6% 745,277 $22.6M
Citadel Advisors 0.02% Add +129.1% 726,118 $22.0M
Avidity Partners Management LP 5.77% No change 660,424 $20.0M
T. Rowe Price Associates Inc. 0.00% Add +3.6% 649,346 $19.7M
Point72 Asset Management 0.03% Reduce -42.1% 600,000 $18.2M
Woodline Partners LP 0.07% Add +0.0% 574,553 $17.4M
Cormorant Asset Management, LP 0.92% No change 533,340 $16.2M
Synergy Asset Management, LLC 1.45% New 458,946 $13.9M
SR One Capital Management, LP 1.85% No change 430,330 $13.0M
Candriam S.C.A. 0.06% Add +9.1% 400,509 $12.1M
Cable Car Capital, LP 0.78% Reduce -20.0% 400,000 $12.1M
Charles Schwab Investment Management Inc. 0.00% Add +33.4% 329,496 $10.0M
Northern Trust Corp. 0.00% Add +27.9% 280,904 $8.5M
UBS Group AG 0.00% Add +213.1% 271,013 $8.2M
Soleus Capital Management, L.P. 0.24% New 190,000 $5.8M
Great Point Partners LLC 1.80% No change 183,330 $5.6M
Barclays PLC 0.00% Add +81.8% 173,329 $5.3M
Invesco Ltd. 0.00% Add +777.1% 143,121 $4.3M
Bank of America Corp. 0.00% Add +76.3% 139,272 $4.2M
Longaeva Partners L.P. 0.47% New 128,110 $3.9M
Moody Aldrich Partners LLC 0.72% New 126,812 $3.8M
Morgan Stanley 0.00% Reduce -9.4% 122,198 $3.7M
Deutsche Bank AG 0.00% Add +439.5% 119,329 $3.6M
Kalehua Capital Management LLC 3.55% — 118,524 $3.6M
Sio Capital Management, LLC 0.59% New 118,126 $3.6M
Bank of New York Mellon Corp 0.00% Add +61.6% 114,173 $3.5M
Alyeska Investment Group, L.P. 0.01% New 100,000 $3.0M
Goldman Sachs Group Inc. 0.00% Add +370.3% 92,995 $2.8M
Nuveen, LLC 0.00% Add +144.5% 86,347 $2.6M
Braidwell LP 0.10% Reduce -93.9% 84,795 $2.6M
Wellington Management Group LLP 0.00% Reduce -7.0% 84,716 $2.6M
Secure Asset Management, LLC 0.39% New 81,664 $2.5M
TD Asset Management Inc 0.00% Add +74.2% 79,896 $2.4M
D. E. Shaw & Co. 0.00% Reduce -19.9% 76,415 $2.3M
Aberdeen Group plc 0.00% No change 75,680 $2.3M
B Group, Inc. 1.68% No change 75,000 $2.3M
Palo Alto Investors LP 0.25% No change 59,985 $1.8M
Manufacturers Life Insurance Company, The 0.00% Add +18.2% 61,358 $1.8M
Millennium Management 0.00% New 58,723 $1.8M
American Century Companies Inc. 0.00% Add +67.3% 57,080 $1.7M
Kennedy Capital Management LLC 0.03% Add +0.9% 48,686 $1.5M
Wells Fargo & Company 0.00% Add +107.4% 43,261 $1.3M
Swiss National Bank 0.00% New 43,000 $1.3M
Voya Investment Management LLC 0.00% New 42,503 $1.3M
Rhumbline Advisers 0.00% Add +35.3% 41,017 $1.2M
Alps Advisors Inc. 0.01% New 39,751 $1.2M
Rafferty Asset Management, LLC 0.00% Add +201.0% 38,485 $1.2M
Alliancebernstein L.P. 0.00% New 37,800 $1.1M
Verition Fund Management LLC 0.01% New 35,710 $1.1M
Financial Enhancement Group LLC 0.14% Reduce -4.7% 31,293 $1.1M
Two Sigma Investments, LP 0.00% No change 28,566 $866K
Schroder Investment Management Group 0.00% No change 29,184 $850K
Squarepoint Ops LLC 0.00% New 27,671 $839K
Voleon Capital Management LP 0.02% New 23,548 $714K
State of Wisconsin Investment Board 0.00% New 22,968 $696K
California State Teachers Retirement System 0.00% Add +1175.5% 21,658 $656K
MetLife Investment Management, LLC 0.00% Add +29.4% 21,362 $647K
ADAR1 Capital Management, LLC 0.05% No change 20,840 $632K
JPMorgan Chase & Co. 0.00% Add +41.0% 20,417 $619K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Add +53.3% 20,152 $608K
Hudson Bay Capital Management LP 0.00% New 20,000 $606K
Glenmede Trust Co. NA 0.00% — 19,485 $591K
Legal & General Group Plc 0.00% Add +656.7% 18,744 $568K
Brookwood Investment Group LLC 0.06% New 16,569 $502K
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management 0.01% No change 15,406 $467K
Envestnet Asset Management Inc. 0.00% New 15,247 $462K
AlphaQuest LLC 0.03% Add +38.5% 14,901 $452K
Intech Investment Management LLC 0.00% Add +18.4% 14,813 $449K
Profund Advisors LLC 0.01% New 14,623 $443K
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% New 14,244 $432K
Resolute Capital Asset Partners LLC 0.18% Reduce -83.3% 12,500 $379K
Janus Henderson Group PLC 0.00% New 12,100 $367K
AlphaCentric Advisors LLC 0.33% — 10,880 $330K
Altfest L J & Co. Inc. 0.04% Reduce -18.4% 10,857 $329K
Allianz Asset Management GmbH 0.00% New 10,300 $312K
Police & Firemen's Retirement System of New Jersey 0.00% Add +38.7% 10,207 $309K
Citigroup Inc. 0.00% Add +191.6% 9,828 $298K
Sei Investments Co. 0.00% New 9,676 $293K
Brevan Howard Capital Management LP 0.01% New 9,416 $285K
ProShare Advisors LLC 0.00% New 9,189 $279K
Virtus Investment Advisers, LLC 0.07% New 8,814 $267K

"% of holder's portfolio" is ORKA's weight in each manager's 13F, not the share of Oruka Therapeutics Inc. the manager owns.

Show all 143 holders