Oruka TherapeuticsORKA

13F holders, Q2 2026 (June 30)
255holders +71
96new positions
27sold out
5famous investors
$95.11avg. 13F price*

At the end of Q2 2026, 255 institutions reported holding Oruka Therapeutics Inc. (ORKA) in their 13F filings, up 71 from Q1 2026. 96 opened new positions and 27 sold out. The largest holders were FMR LLC ($862.0M), BlackRock, Inc. ($474.9M) and Venrock Adviser, LLC ($394.8M). 5 famous investors held it, including Andreas Halvorsen (0.4% of Viking Global Investors's portfolio), Ken Griffin (0.1% of Citadel Advisors's portfolio) and Israel Englander (0.0% of Millennium Management'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 Q1 2026 → Q2 2026

InstitutionsTotal Value
New Positions96$1.1B
Exits27$117.0M

All 13F filers, Q1 2026 → Q2 2026: 25,835,459 shares bought and 5,091,583 shares sold, net +20,743,876 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 255 holders

FMR LLC 0.04% Add +21.9% 9,057,645 $862.0M
BlackRock, Inc. 0.01% Add +41.5% 4,990,181 $474.9M
Venrock Adviser, LLC 11.97% No change 4,148,428 $394.8M
Fairmount Funds Management LLC 23.31% No change 3,705,262 $352.6M
Capital World Investors 0.04% New 3,401,639 $323.7M
RTW Investments, LP 2.55% Add +52.5% 3,139,030 $298.7M
State Street Corp. 0.01% Add +65.7% 2,673,090 $254.4M
Vanguard Capital Management LLC 0.00% Add +27.0% 2,360,971 $224.7M
Paradigm Biocapital Advisors LP 3.82% Reduce -7.6% 2,144,526 $204.1M
Deep Track Capital, LP 2.70% Reduce -5.3% 1,926,000 $183.3M
Bellevue Group AG 3.32% Add +226.9% 1,657,190 $157.7M
Franklin Resources Inc. 0.03% Add +61.5% 1,621,451 $154.3M
Remedium Capital Partners, LLC 32.99% No change 1,565,661 $149.0M
Ra Capital Management, L.P. 1.29% New 1,554,597 $148.0M
Viking Global Investors 0.41% Reduce -43.6% 1,503,478 $143.1M
Geode Capital Management, LLC 0.01% Add +49.8% 1,429,954 $136.1M
Jupiter Topco LLC 0.05% — 1,375,844 $131.0M
Perceptive Advisors LLC 1.99% Reduce -3.6% 1,345,063 $128.0M
Polar Capital Holdings Plc 0.33% Add +17.3% 1,228,609 $116.9M
Citadel Advisors 0.06% Add +11.1% 1,119,011 $106.5M
T. Rowe Price Investment Management, Inc. 0.07% New 1,103,743 $105.0M
BNP Paribas Financial Markets 0.05% Add +9773.9% 1,079,015 $102.7M
T. Rowe Price Associates Inc. 0.01% Add +15.3% 838,603 $79.8M
Avidity Partners Management LP 11.59% No change 760,424 $72.4M
Summit Partners Public Asset Management, LLC 1.63% New 658,301 $62.7M
Aberdeen Group plc 0.09% Add +754.8% 646,943 $61.6M
UBS Group AG 0.01% Add +201.2% 639,363 $60.8M
JPMorgan Chase & Co. 0.00% Add +2795.8% 655,027 $60.7M
Westfield Capital Management Co. LP 0.20% Add +101.7% 631,433 $60.1M
Pictet Asset Management Holding SA 0.06% New 619,076 $58.9M
Affinity Asset Advisors, LLC 2.79% Add +18.1% 590,000 $56.2M
Vanguard Portfolio Management LLC 0.00% Add +66.0% 582,409 $55.4M
Cormorant Asset Management, LP 2.60% No change 533,340 $50.8M
Charles Schwab Investment Management Inc. 0.01% Add +34.6% 433,405 $41.2M
Northern Trust Corp. 0.00% Add +43.4% 428,891 $40.8M
Voya Investment Management LLC 0.04% Add +502.3% 401,149 $38.2M
Lord, Abbett & Co. LLC 0.11% New 390,064 $37.1M
Vanguard Fiduciary Trust Co. 0.01% Add +42.2% 365,630 $34.8M
Massachusetts Financial Services Co. 0.01% New 364,102 $34.7M
Synergy Asset Management, LLC 3.20% Reduce -25.2% 356,301 $33.9M
Adage Capital Partners Gp, L.L.C. 0.05% Add +86.8% 355,003 $33.8M
Bank of America Corp. 0.00% Add +252.5% 352,824 $33.6M
Silverarc Capital Management, LLC 3.74% Add +133.8% 352,802 $33.6M
Candriam S.C.A. 0.15% Reduce -14.2% 352,716 $33.5M
Holocene Advisors, LP 0.07% Add +64.9% 305,951 $29.1M
Jennison Associates LLC 0.02% Add +69.4% 299,257 $28.5M
Woodline Partners LP 0.08% Reduce -50.4% 285,247 $27.1M
Braidwell LP 1.02% New 278,164 $26.5M
Siren, L.L.C. 0.48% New 250,000 $23.8M
Nuveen, LLC 0.01% Add +186.7% 249,267 $23.7M
Eventide Asset Management, LLC 0.31% New 240,000 $22.8M
Blackstone Inc. 0.07% New 237,108 $22.6M
Nomura Asset Management International Inc. 0.03% New 219,039 $20.8M
SEB Asset Management AB 0.07% New 196,753 $18.7M
Deutsche Bank AG 0.01% Add +38.6% 195,204 $18.6M
Great Point Partners LLC 4.11% No change 183,330 $17.4M
Goldman Sachs Group Inc. 0.00% Reduce -27.3% 179,439 $17.1M
Sio Capital Management, LLC 2.89% Add +33.7% 177,118 $16.9M
Handelsbanken Fonder AB 0.04% New 160,900 $15.3M
PFM Health Sciences, LP 1.31% Reduce -8.8% 158,825 $15.1M
First Turn Management, LLC 1.58% New 155,343 $14.8M
ExodusPoint Capital Management, LP 0.13% Add +46.2% 148,212 $14.1M
Bank of New York Mellon Corp 0.00% Add +31.8% 140,870 $13.4M
Invesco Ltd. 0.00% Add +28.5% 124,658 $11.9M
Victory Capital Management Inc. 0.01% Add +2556.7% 124,278 $11.8M
Wellington Management Group LLP 0.00% Reduce -1.3% 119,601 $11.4M
Stempoint Capital LP 1.92% New 116,461 $11.1M
Parkman Healthcare Partners LLC 1.11% New 113,188 $10.8M
Dimensional Fund Advisors LP 0.00% Add +0.1% 113,176 $10.8M
Russell Investments Group, Ltd. 0.01% Add +148.4% 112,943 $10.7M
Apis Capital Advisors, LLC 1.04% New 112,000 $10.7M
Seven Grand Managers, LLC 0.42% New 110,000 $10.5M
Kennedy Capital Management LLC 0.18% Reduce -15.4% 106,863 $10.2M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Add +517.1% 104,310 $9.9M
TD Asset Management Inc 0.01% Add +36.0% 102,944 $9.8M
Moody Aldrich Partners LLC 1.73% Reduce -24.9% 101,411 $9.7M
Atika Capital Management LLC 0.94% Reduce -56.5% 100,000 $9.5M
Toronto Dominion Bank 0.01% New 89,837 $8.5M
Alyeska Investment Group, L.P. 0.02% Reduce -52.5% 87,744 $8.4M
Prudential Financial Inc. 0.01% Add +1322.1% 85,895 $8.2M
Rhenman & Partners Asset Management AB 0.72% New 80,000 $7.6M
Morgan Stanley 0.00% Reduce -56.5% 76,360 $7.3M
B Group, Inc. 4.05% No change 75,000 $7.1M
Barclays PLC 0.00% Reduce -12.8% 74,762 $7.1M
Ameriprise Financial Inc. 0.00% New 72,734 $6.9M
Manufacturers Life Insurance Company, The 0.01% Reduce -5.7% 68,421 $6.5M
Fisher Asset Management 0.00% New 67,874 $6.5M
Ensign Peak Advisors, Inc 0.01% Reduce -14.8% 67,668 $6.4M
Citigroup Inc. 0.00% Add +546.0% 67,101 $6.4M
Secure Asset Management, LLC 0.88% Reduce -9.0% 65,899 $6.3M
Swiss National Bank 0.00% Add +46.5% 63,000 $6.0M
Alps Advisors Inc. 0.03% Add +54.8% 61,014 $5.8M
Rhumbline Advisers 0.00% Add +31.1% 60,784 $5.8M
Informed Momentum Co LLC 0.50% Reduce -1.6% 59,014 $5.6M
Atle Fund Management AB 1.41% New 54,886 $5.2M
Wells Fargo & Company 0.00% Add +250.1% 51,924 $4.9M
Granahan Investment Management, LLC 0.17% New 51,038 $4.9M
Burkehill Global Management, LP 0.18% New 50,000 $4.8M
Ghisallo Capital Management LLC 0.12% New 50,000 $4.8M
Trexquant Investment LP 0.03% New 49,616 $4.7M
Rafferty Asset Management, LLC 0.01% Add +6.5% 43,110 $4.1M
Sectoral Asset Management Inc. 2.79% New 41,987 $4.0M
HighVista Strategies LLC 0.91% Reduce -46.9% 41,902 $4.0M
XTX Topco Ltd 0.05% Add +100.7% 40,506 $3.9M
Principal Financial Group Inc. 0.00% New 39,776 $3.8M
California State Teachers Retirement System 0.00% Add +68.5% 36,020 $3.4M
Schonfeld Strategic Advisors LLC 0.02% New 34,860 $3.3M
Alliancebernstein L.P. 0.00% Add +63.6% 66,080 $3.2M
Palo Alto Investors LP 0.44% Reduce -44.1% 33,546 $3.2M
Artia Global Partners LP 0.60% New 33,400 $3.2M
Millennium Management 0.00% New 32,866 $3.1M
Lazard Asset Management LLC 0.00% New 32,191 $3.1M
Legal & General Group Plc 0.00% Add +89.7% 30,198 $2.9M
Federated Hermes, Inc. 0.00% New 30,082 $2.9M
MetLife Investment Management, LLC 0.01% Add +37.2% 29,313 $2.8M
Harvest Investment Services, LLC 0.43% New 29,063 $2.8M
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% Add +34.5% 28,204 $2.7M
Diadema Partners LP 1.00% New 27,799 $2.6M
Mutual of America Capital Management LLC 0.03% New 27,733 $2.6M
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main 0.00% New 27,694 $2.6M
Martingale Asset Management L P 0.06% Reduce -37.5% 26,727 $2.5M
Jupiter Asset Management Ltd. 0.01% New 25,236 $2.4M
Vanguard Global Advisers, LLC 0.00% Add +16.0% 24,783 $2.4M
Freestone Grove Partners LP 0.01% New 22,421 $2.1M
Glenmede Trust Co. NA 0.01% Add +1.5% 22,096 $2.1M
Profund Advisors LLC 0.06% Add +20.1% 22,012 $2.1M
VANGUARD ASSET MANAGEMENT, Ltd 0.00% Add +47.7% 21,569 $2.1M
Schroder Investment Management Group 0.00% Reduce -26.5% 21,453 $2.0M
ADAR1 Capital Management, LLC 0.09% No change 20,840 $2.0M
State of Wisconsin Investment Board 0.00% Add +8.1% 19,561 $1.9M
Empirical Financial Services, LLC d.b.a. Empirical Wealth Management 0.03% Add +5.9% 19,312 $1.8M
Envestnet Asset Management Inc. 0.00% Reduce -20.3% 18,857 $1.8M
AQR Capital Management 0.00% Add +344.4% 18,697 $1.8M
New York State Common Retirement Fund 0.00% Add +45.1% 17,700 $1.7M
Sei Investments Co. 0.00% Reduce -26.6% 16,758 $1.6M
Creative Planning 0.00% Add +23.6% 15,738 $1.5M
Atom Investors LP 0.13% New 15,521 $1.5M
LPL Financial LLC 0.00% New 15,231 $1.4M
Police & Firemen's Retirement System of New Jersey 0.01% Add +45.6% 14,857 $1.4M
SG Americas Securities, LLC 0.00% New 14,576 $1.4M
Axxcess Wealth Management, LLC 0.02% New 14,515 $1.4M
Optimize Financial Inc. 0.46% Reduce -0.3% 13,396 $1.3M
Sound Capital Solutions LLC 0.30% — 13,396 $1.3M
Brookwood Investment Group LLC 0.14% Reduce -18.8% 12,990 $1.2M
J. Goldman & Co LP 0.04% New 12,356 $1.2M
State Board of Administration of Florida Retirement System 0.00% Add +81.7% 12,149 $1.2M
Rock Springs Capital Management LP 0.06% Add +192.3% 12,051 $1.1M
Allianz Asset Management GmbH 0.00% Add +69.0% 12,000 $1.1M
Intech Investment Management LLC 0.01% Add +0.9% 11,763 $1.1M
Balyasny Asset Management L.P. 0.00% New 11,586 $1.1M
Royal Bank of Canada 0.00% Add +250.7% 11,123 $1.1M
State of New Jersey Common Pension Fund D 0.00% Add +36.5% 10,161 $967K
Mariner, LLC 0.00% New 10,022 $954K
STRS Ohio 0.00% New 9,800 $933K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% Add +1835.5% 9,600 $914K
China Universal Asset Management Co., Ltd. 0.05% Add +11.7% 9,599 $914K
Stifel Financial Corp. 0.00% Add +49.1% 9,176 $873K
Advisory Services Network, LLC 0.01% Reduce -18.0% 8,860 $843K
Arizona State Retirement System 0.00% Add +45.0% 8,671 $825K
ProShare Advisors LLC 0.00% Add +10.5% 8,570 $816K
Virtu Financial LLC 0.03% New 8,456 $805K
Vanguard Investments Australia, Ltd. 0.00% Add +37.7% 8,039 $765K
KLP Kapitalforvaltning As 0.00% No change 8,000 $761K
Stonepine Capital Management, LLC 0.54% New 7,500 $714K
Fieldview Capital Management, LLC 0.19% New 7,104 $676K
Persistent Asset Partners Ltd 0.21% New 7,085 $674K
AlphaCentric Advisors LLC 0.53% Reduce -43.2% 6,531 $622K
Quantinno Capital Management LP 0.00% Add +23.7% 6,401 $609K
Arrowpoint Investment Partners (Singapore) Pte. Ltd. 0.18% Add +22.7% 6,315 $601K
DNB Asset Management AS 0.00% New 6,129 $583K
E Fund Management Co., Ltd. 0.01% Add +19.4% 6,079 $579K
Orion Porfolio Solutions, LLC 0.00% Reduce -19.4% 5,825 $554K
MML Investors Services, LLC 0.00% Reduce -7.6% 5,801 $552K
Algert Global LLC 0.01% Add +3.5% 5,380 $512K
American Century Companies Inc. 0.00% Reduce -93.3% 4,948 $471K
Xponance LLC 0.00% New 4,927 $469K
Quantbot Technologies LP 0.02% New 4,870 $463K
Virtus Advisers, LLC 0.18% New 4,726 $450K
Virtus Investment Advisers, LLC 0.10% Reduce -48.2% 4,681 $445K
First Trust Advisors LP 0.00% New 4,663 $444K
Susquehanna International Group, LLP 0.00% Reduce -78.1% 4,588 $437K
Ameritas Investment Partners, Inc. 0.01% Add +46.0% 4,572 $435K
Ground Swell Capital, LLC 0.45% New 4,320 $411K
Quadrature Capital Ltd 0.00% New 4,290 $408K
PNC Financial Services Group, Inc. 0.00% Add +32.6% 4,225 $402K
US Bancorp \de 0.00% Reduce -13.8% 4,194 $399K
Allspring Global Investments Holdings, LLC 0.00% New 3,823 $357K
Engineers Gate Manager LP 0.00% New 3,680 $350K
Teacher Retirement System of Texas 0.00% New 3,643 $347K
Voleon Capital Management LP 0.01% Reduce -91.2% 3,557 $339K
Belvedere Trading LLC 0.03% New 3,531 $336K
Focus Partners Wealth 0.00% New 3,500 $333K
Vanguard Personalized Indexing Management, LLC 0.00% New 3,489 $332K
PSP Research LLC 0.15% Reduce -39.6% 3,000 $286K
Ethic Inc. 0.00% New 2,965 $282K
Gradient Investments LLC 0.00% New 2,868 $273K
CIBC Bancorp USA Inc. 0.00% New 2,827 $269K
Universal- Beteiligungs- und Servicegesellschaft mbH 0.00% New 2,789 $265K
Iron Gate Global Advisors LLC 0.03% New 2,750 $262K
Mirae Asset Global Investments Co., Ltd. 0.00% Add +6.8% 2,697 $257K
Mitsubishi UFJ Trust & Banking Corp 0.00% New 2,642 $251K
Commonwealth Equity Services, LLC 0.00% New 2,332 $222K
Fox Run Management, L.L.C. 0.04% New 2,247 $214K
State of Wyoming 0.02% New 2,242 $213K
Connor, Clark & Lunn Investment Management Ltd. 0.00% New 2,215 $211K
Neuberger Berman Group LLC 0.00% New 2,210 $210K
Natural Investments, LLC 0.04% New 2,125 $202K
Swiss Life Asset Management Ltd 0.00% New 2,122 $202K
Tower Research Capital LLC (TRC) 0.00% Reduce -44.0% 1,933 $184K
Arax Advisory Partners 0.00% New 1,211 $115K
GF Fund Management Co. LTD. 0.00% Add +9.7% 1,192 $113K
Orion Capital Management LLC 0.03% No change 953 $91K
Stone House Investment Management, LLC 0.01% Reduce -10.0% 902 $86K
EverSource Wealth Advisors, LLC 0.00% Add +4605.6% 847 $81K
Osaic Holdings, Inc. 0.00% Add +738.1% 813 $77K
Pacer Advisors, Inc. 0.00% New 720 $69K
Nisa Investment Advisors, LLC 0.00% Add +135.6% 702 $67K
BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.00% New 509 $48K
Kemnay Advisory Services Inc. 0.01% Add +36.1% 501 $48K
Parallel Advisors, LLC 0.00% Add +1615.0% 343 $33K
Nykredit A/S 0.00% — 308 $29K
Optiver Holding B.V. 0.00% New 284 $27K
Los Angeles Capital Management LLC 0.00% Reduce -64.5% 255 $24K
J.Safra Asset Management Corp 0.00% Reduce -53.8% 218 $21K
Allworth Financial LP 0.00% Reduce -9.3% 186 $18K
Silver Grove Financial Group, Inc. 0.01% New 182 $17K
Sterling Capital Management LLC 0.00% Reduce -86.2% 177 $17K
Activest Wealth Management 0.00% No change 166 $16K
Group One Trading LLC 0.00% Reduce -32.0% 136 $13K
GAMMA Investing LLC 0.00% Add +49.4% 124 $12K
Aster Capital Management (DIFC) Ltd 0.00% New 105 $10K
Versant Capital Management, Inc 0.00% No change 98 $9K
Jones Financial Companies LLLP 0.00% Add +67.8% 99 $9K
Signaturefd, LLC 0.00% Add +304.4% 93 $9K
Fifth Third Bancorp 0.00% Add +72.0% 86 $8K
Clearstead Advisors, LLC 0.00% New 71 $7K
Rothschild Investment LLC 0.00% Add +65.4% 43 $4K
Larson Financial Group LLC 0.00% Add +4.9% 43 $4K
Compass Financial Management LLC 0.00% — 38 $4K
SBI Securities Co., Ltd. 0.00% New 35 $3K
iA Global Asset Management Inc. 0.00% New 28 $3K
Key Capital Management, INC 0.00% New 24 $2K
Cornerstone Financial Management LLC 0.00% No change 21 $2K
Farther Finance Advisors, LLC 0.00% Add +75.0% 21 $2K
Fortitude Family Office, LLC 0.00% No change 12 $1K
Essential Partners LLC 0.00% Reduce -59.3% 11 $1K
Covestor Ltd 0.00% Add +175.0% 11 $1K
IFP Advisors, Inc 0.00% Add +233.3% 10 $952
Bell Investment Advisors, Inc 0.00% New 8 $762
Global Retirement Partners, LLC 0.00% — 8 $761
Ares Financial Consulting, LLC 0.00% New 7 $666
National Bank of Canada 0.00% New 5 $476
MassMutual Private Wealth & Trust, FSB 0.00% New 3 $286
Hughes Financial Services, LLC 0.00% New 2 $190
Keating Financial Advisory Services, Inc. 0.00% New 1 $95

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