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Oruka Therapeutics, Inc. · 13F filings

ORKA Institutional Ownership

Holdings as of Jun 30, 2026From SEC Form 13FUpdated

Who owns Oruka Therapeutics, Inc. and what the big funds did with it last quarter, from every SEC 13F filing. 257 funds reported holding ORKA at Jun 30, 2026, together owning 112.0% of the company.

← ORKA stock page

Fund sentiment
Strongly bullish
Strongly bearishNeutralStrongly bullish
  • ▲190 buying vs 74 selling
  • ▲Held by funds +32.1 pts
  • ▲Funds holding +72
  • ▲Superinvestors: 2 added, 1 cut
  • ●Put/call not meaningful

What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.

Funds holding257+72 vs Q1 2026
Held by funds112.0%+32.1 pts
Value held$7.1B74.1M shares
Put/call ratio1.00market makers left out

Funds holding and ownership

8 quarters
Q3 2024: 42 fundsQ3 '24Q4 2024: 67 fundsQ4 '24Q1 2025: 72 fundsQ1 '25Q2 2025: 82 fundsQ2 '25Q3 2025: 106 fundsQ3 '25Q4 2025: 144 fundsQ4 '25Q1 2026: 185 fundsQ1 '26Q2 2026: 257 fundsQ2 '26112.0% owned
Funds holdingHeld by funds %

Quarter over quarter

all 13F filers
Q2 2026This quarterQ1 2026Change
Funds holding257185+38.9%
In funds' top 10148+75.0%
13F shares74.1M52.9M+40.1%
Held by funds112.0%79.9%+32.1 pts
New positions9655+74.5%
Increased9463+49.2%
Reduced4731+51.6%
Sold out2720+35.0%
Calls (shares)8000–
Puts (shares)8000–
Put/call ratio1.00––

Buyers vs sellers

adding or new vs cutting or sold out
Q4 2024: 45 buyingQ4 2024: 13 sellingQ4 '24Q1 2025: 44 buyingQ1 2025: 21 sellingQ1 '25Q2 2025: 51 buyingQ2 2025: 29 sellingQ2 '25Q3 2025: 62 buyingQ3 2025: 29 sellingQ3 '25Q4 2025: 90 buyingQ4 2025: 25 sellingQ4 '25Q1 2026: 118 buyingQ1 2026: 51 sellingQ1 '26Q2 2026: 190 buyingQ2 2026: 74 sellingQ2 '26
Buying 190Selling 74latest quarter

Superinvestors in ORKA

All superinvestors →

Who owns ORKA

share of fund held shares
  • Index and passive funds18.4%
  • Active managers and hedge funds75.6%
  • Banks and brokers5.8%
  • Pensions, insurers and other0.3%

The top 10 holders own 50.6% of all ORKA shares that funds reported. Groups are our own grouping of filers by name.

Filed so far for Q3 2026

42 funds changed their position

🔒 Free account: see all 20.

Top holders

Q2 2026
#FundOf companySharesValueChange
1Fmr LLC13.68%9.1M$862M+1.6M
2BlackRock, Inc.7.54%5M$475M+1.5M
3Venrock Adviser, LLC6.27%4.1M$395M0
4Fairmount Funds Management LLC5.60%3.7M$353M0
5Capital World Investors5.14%3.4M$324M+3.4M
6Rtw Investments, LP4.74%3.1M$299M+1.1M
7State Street Corp4.04%2.7M$254M+1.1M
8Vanguard Capital Management LLC3.57%2.4M$225M+501K
9Paradigm Biocapital Advisors LP3.24%2.1M$204M−176K
10Deep Track Capital, LP2.91%1.9M$183M−108K
🔒 15 more top holders. Create a free account or sign in to see them.
Biggest buyers
Biggest sellers

ORKA institutional ownership FAQ

Who owns the most ORKA stock?

In Q2 2026 13F filings the largest holder of ORKA was Fmr LLC, followed by BlackRock, Inc. and Venrock Adviser, LLC. Index fund managers are usually the biggest holders of large companies.

What percentage of ORKA is owned by institutions?

Funds that file 13F reports held 112.0% of ORKA's shares at Jun 30, 2026, compared with 79.9% a quarter earlier. That counts every manager with more than $100 million in US stocks.

Are hedge funds buying ORKA?

In Q2 2026, 190 funds bought ORKA (96 of them new positions) and 74 sold (27 sold out completely). Among well known investors, 2 added and 1 cut. Our fund sentiment for ORKA is strongly bullish.

What is ORKA's institutional put/call ratio?

Funds reported $76K of ORKA puts against $76K of calls, a put/call ratio of 1.00. Market makers and bank trading desks are left out, since their options are mostly hedges.

How current is this ORKA ownership data?

13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.

For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.