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Oruka Therapeutics, Inc.

ORKA
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0000907654

In the last 90 days, Oruka Therapeutics, Inc. insiders filed 0 open-market purchases and 14 sales; 255 institutions reported holding it in 13F filings for Q2 2026, worth $7.05B in total; Viking Global Investors is the only superinvestor holding it.

13F holders, Q4 2025

Institutional positions in Oruka Therapeutics, Inc. as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
143
+38 vs. Q3 2025
Shares held
52.9M
+7.29M (+16.0%) vs. Q3 2025
Total value
$1.60B
+$726.2M (+82.9%) vs. Q3 2025
New holders
46
54 more added
Sold out
8
16 more reduced

Compare with Q3 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ORKA on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2025: 143 institutions
Q1 2021: 17 institutionsQ2 2021: 17 institutionsQ3 2021: 19 institutionsQ4 2021: 21 institutionsQ1 2022: 22 institutionsQ2 2022: 24 institutionsQ3 2022: 25 institutionsQ4 2022: 22 institutionsQ1 2023: 26 institutionsQ2 2023: 23 institutionsQ3 2023: 21 institutionsQ4 2023: 25 institutionsQ1 2024: 23 institutionsQ2 2024: 32 institutionsQ3 2024: 42 institutionsQ4 2024: 66 institutionsQ1 2025: 71 institutionsQ2 2025: 81 institutionsQ3 2025: 105 institutionsQ4 2025: 143 institutionsQ1 2026: 184 institutionsQ2 2026: 255 institutions
Value heldQ4 2025: $1.60B
Q1 2021: $3.20MQ2 2021: $4.16MQ3 2021: $4.53MQ4 2021: $2.41MQ1 2022: $2.60MQ2 2022: $4.17MQ3 2022: $4.58MQ4 2022: $6.19MQ1 2023: $5.02MQ2 2023: $5.75MQ3 2023: $6.55MQ4 2023: $12.7MQ1 2024: $12.7MQ2 2024: $49.4MQ3 2024: $604.2MQ4 2024: $606.6MQ1 2025: $326.1MQ2 2025: $386.0MQ3 2025: $875.8MQ4 2025: $1.60BQ1 2026: $2.55BQ2 2026: $7.05B
Institutions holding ORKA and their total value by quarter
QuarterHoldersValue
Q2 2026255$7.05B
Q1 2026184$2.55B
Q4 2025143$1.60B
Q3 2025105$875.8M
Q2 202581$386.0M
Q1 202571$326.1M
Q4 202466$606.6M
Q3 202442$604.2M
Q2 202432$49.4M
Q1 202423$12.7M
Q4 202325$12.7M
Q3 202321$6.55M
Q2 202323$5.75M
Q1 202326$5.02M
Q4 202222$6.19M
Q3 202225$4.58M
Q2 202224$4.17M
Q1 202222$2.60M
Q4 202121$2.41M
Q3 202119$4.53M
Q2 202117$4.16M
Q1 202117$3.20M

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding Oruka Therapeutics, Inc.; share changes are against Q3 2025.

Institutions holding ORKA in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Kalehua Capital Management LLC118,524$3.59M3.55%+118,524New
Deutsche Bank AG119,329$3.62M0.00%+97,210+439.5%Added
Morgan Stanley122,198$3.70M0.00%−12,635−9.4%Reduced
Moody Aldrich Partners LLC126,812$3.84M0.72%+126,812New
Longaeva Partners L.P.128,110$3.88M0.46%+128,110New
Bank of America Corp139,272$4.22M0.00%+60,277+76.3%Added
Invesco Ltd.143,121$4.34M0.00%+126,803+777.1%Added
Barclays PLC173,329$5.25M0.00%+77,999+81.8%Added
Great Point Partners LLC183,330$5.56M1.80%00.0%Unchanged
Soleus Capital Management, L.P.190,000$5.76M0.24%+190,000New
UBS Group AG271,013$8.21M0.00%+184,453+213.1%Added
Northern Trust Corp280,904$8.51M0.00%+61,195+27.9%Added
Charles Schwab Investment Management Inc329,496$9.99M0.00%+82,570+33.4%Added
Cable Car Capital LLC400,000$12.1M0.75%−100,000−20.0%Reduced
Candriam Luxembourg S.C.A.400,509$12.1M0.06%+33,515+9.1%Added
Sr One Capital Management, LP430,330$13.0M1.85%00.0%Unchanged
Synergy Financial Management, LLC458,946$13.9M1.45%+458,946New
Cormorant Asset Management, LP533,340$16.2M0.92%00.0%Unchanged
Woodline Partners LP574,553$17.4M0.07%+2230.0%Added
Point72 Asset Management, L.P.600,000$18.2M0.03%−437,002−42.1%Reduced
Price T Rowe Associates Inc649,346$19.7M0.00%+22,540+3.6%Added
Avidity Partners Management LP660,424$20.0M5.77%00.0%Unchanged
Citadel Advisors LLC726,118$22.0M0.01%+409,232+129.1%Added
Mercer Global Advisors Inc745,277$22.6M0.03%−107,134−12.6%Reduced
Affinity Asset Advisors, LLC802,342$24.3M1.75%−156,838−16.4%Reduced
Franklin Resources Inc938,421$28.4M0.01%−127,361−12.0%Reduced
Geode Capital Management, LLC942,507$28.6M0.00%+252,535+36.6%Added
Polar Capital Holdings Plc978,288$29.7M0.14%−54,019−5.2%Reduced
Blackstone Group Inc.1,165,408$35.3M0.15%+315,008+37.0%Added
Avoro Capital Advisors LLC1,333,340$40.4M0.40%00.0%Unchanged
State Street Corp1,383,847$41.9M0.00%+731,819+112.2%Added
Perceptive Advisors LLC1,476,501$44.8M0.82%+208,480+16.4%Added
Remedium Capital Partners, LLC1,552,414$47.1M27.64%+1,552,414New
Paradigm Biocapital Advisors LP1,710,316$51.8M1.39%+1,710,316New
Commodore Capital LP1,753,054$53.1M3.54%00.0%Unchanged
RTW Investments, LP2,058,148$62.4M0.62%+112,499+5.8%Added
Deep Track Capital, LP2,161,510$65.5M1.49%−493,271−18.6%Reduced
Vanguard Group Inc2,453,530$74.4M0.00%+676,865+38.1%Added
Viking Global Investors LPSuperinvestorViking Global Investors2,666,690$80.8M0.21%00.0%Unchanged
BlackRock, Inc.3,539,415$107.3M0.00%+1,334,864+60.6%Added
Fairmount Funds Management LLC3,705,262$112.3M8.55%00.0%Unchanged
VR Adviser, LLC4,148,428$125.7M6.21%00.0%Unchanged
FMR LLC7,261,384$220.1M0.01%+3,763+0.1%Added
Jefferies Financial Group Inc.0$00.00%−64,991−100.0%Sold out
Toronto Dominion Bank0$00.00%−58,332−100.0%Sold out
Caption Management, LLC0$00.00%−2,000−100.0%Sold out
Simplex Trading, LLC0$00.00%−729−100.0%Sold out
SRS Capital Advisors, Inc.0$00.00%−72−100.0%Sold out
Rise Advisors, LLC0$00.00%−36−100.0%Sold out
National Bank of Canada0$00.00%−8−100.0%Sold out
SBI Securities Co., Ltd.0$00.00%−6−100.0%Sold out