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

"% 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 255 holders