ORKAOruka Therapeutics, Inc.

$82.17+428% 1Y

Who owns ORKA

252 institutions reported holding ORKA for 2026Q2, together 148% of the company, more than the 183 a quarter earlier.

252

Institutions reporting a position · as of 2026Q2 · up from 183 the quarter before

Shares held by institutions
74.1M

Shares held by institutions · 148% of the company · long US equity positions only, as reported on Form 13F

Reported value
$7.05B

Reported value · at Jun 30, 2026 prices, not today's

Opened vs closed
95 / 29

Opened vs closed · new positions against positions exited in the latest quarter

Details›
Reporting quarter2026-06-30
2026Q2
Quarters on record
8
New positions
95
Positions exited
29
Added to
87
Reduced
44
Shares sold shortsettled Sep 15, 2026
7.6M
Short interestof shares outstanding
15%
Days to coverat the average daily volume
11.6
Change in the short positionsince the Aug 31, 2026 count
−2.2%
Institutional ownership by quarter, 2024Q3 to 2026Q2
QuarterFilersSharesReported value
2026Q225274.1M$7.05B
2026Q118352.0M$2.57B
2025Q414252.8M$1.60B
2025Q310445.6M$876M
2025Q28034.4M$386M
2025Q17131.8M$326M
2024Q46631.0M$607M
2024Q34224.6M$604M
Largest reported holders, 2026Q2
HolderShares% of companyValue
FMR LLC9.1Mn/a$862M
BlackRock Inc.5.0Mn/a$475M
Venrock Adviser, LLC4.1Mn/a$395M
Fairmount Funds Management LLC3.7Mn/a$353M
Capital World Investors3.4Mn/a$324M
VANGUARD GROUP INC3.4Mn/a$320M
RTW INVESTMENTS, LP3.1Mn/a$299M
STATE STREET CORP2.7Mn/a$254M
Paradigm Biocapital Advisors LP2.1Mn/a$204M
Deep Track Capital, LP1.9Mn/a$183M
Short interest by settlement date, Aug 29, 2025 to Sep 15, 2026
SettlementShares shortOf shares outstandingDays to cover
Sep 15, 20267.6M15%11.6
Aug 31, 20267.8M16%9.3
Aug 14, 20268.3M17%11.3
Jul 31, 20268.1M16%8.4
Jul 15, 20268.8M18%6.2
Jun 30, 20269.2M18%4.3
Jun 15, 20266.9M14%6.1
May 29, 20266.4M13%5.0
May 15, 20266.3M12%3.6
Apr 30, 20267.0M14%2.6
Apr 15, 20265.5M11%4.0
Mar 31, 20264.5M9.0%5.0

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold. The short position is FINRA's consolidated count for each twice-monthly settlement date, as a share of shares outstanding.

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