OPKOPKO Health, Inc.

$1.38-4.8% 1Y

Who owns OPK

221 institutions reported holding OPK for 2026Q2, together 27% of the company, fewer than the 234 a quarter earlier.

221

Institutions reporting a position · as of 2026Q2 · down from 234 the quarter before

Shares held by institutions
202.3M

Shares held by institutions · 27% of the company · long US equity positions only, as reported on Form 13F

Reported value
$303M

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

Top 5 holders
18%

Top 5 holders · of the whole company, between five filers

Details›
Reporting quarter2026-06-30
2026Q2
Quarters on record
53
New positions
24
Positions exited
36
Added to
68
Reduced
47
Top 10 holdersof the company
22%
Shares sold shortsettled Sep 15, 2026
36.0M
Short interestof shares outstanding
4.7%
Days to coverat the average daily volume
10.6
Change in the short positionsince the Aug 31, 2026 count
+4.1%
Institutional ownership by quarter, 2013Q2 to 2026Q2
QuarterFilersSharesReported value
2026Q2221202.3M$303M
2026Q1234201.1M$229M
2025Q4220199.6M$251M
2025Q3231196.2M$303M
2025Q2221205.2M$270M
2025Q1253242.1M$401M
2024Q4234197.5M$290M
2024Q3233186.7M$279M
2024Q2232182.1M$228M
2024Q1223158.8M$191M
2023Q4218169.9M$257M
2023Q3224167.2M$268M
2023Q2229173.5M$376M
2023Q1226177.7M$259M
2022Q4220179.7M$225M
2022Q3218184.8M$349M
Largest reported holders, 2026Q2
HolderShares% of companyValue
Rubric Capital Management LP47.8M6.3%$72M
BlackRock Inc.37.0M4.9%$55M
VANGUARD GROUP INC33.2M4.4%$50M
GEODE CAPITAL MANAGEMENT LLC11.6M1.5%$17M
STATE STREET CORP10.3M1.4%$15M
GOLDMAN SACHS GROUP INC7.0M0.93%$11M
UBS Group AG5.0M0.66%$7.5M
Whitefort Capital Management, LP4.5M0.59%$6.8M
NORTHERN TRUST CORP3.8M0.50%$5.6M
Charles Schwab Trust Co3.6M0.47%$5.4M
Short interest by settlement date, Aug 29, 2025 to Sep 15, 2026
SettlementShares shortOf shares outstandingDays to cover
Sep 15, 202636.0M4.7%10.6
Aug 31, 202634.6M4.6%13.8
Aug 14, 202633.6M4.4%12.4
Jul 31, 202632.9M4.3%5.4
Jul 15, 202633.6M4.4%13.0
Jun 30, 202632.6M4.3%8.9
Jun 15, 202632.8M4.3%11.8
May 29, 202633.0M4.4%10.9
May 15, 202632.7M4.3%16.5
Apr 30, 202633.8M4.4%12.7
Apr 15, 202633.0M4.3%17.7
Mar 31, 202633.6M4.4%10.9

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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