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Opko Health
OPK

Overview Fund Activity

217 hedge funds and large institutions have $270M invested in Opko Health in 2025 Q2 according to their latest regulatory filings, with 17 funds opening new positions, 56 increasing their positions, 63 reducing their positions, and 49 closing their positions.

Holders
217
Holders Change
-35
Holders Change %
-13.89%
% of All Funds
2.91%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
17
Increased
56
Reduced
63
Closed
49
Calls
$3.23M
Puts
$479K
Net Calls
+$2.75M
Net Calls Change
-$1.51M

Top Buyers

1
Vanguard Group
1
Vanguard Group
Pennsylvania
$50.5M
2
BlackRock
2
BlackRock
New York
$41.5M
3
UBS Group
3
UBS Group
Switzerland
$7.55M
4
Geode Capital Management
4
Geode Capital Management
Massachusetts
$13.8M
5
WCM
5
Whitefort Capital Management
New York
$2.34M

Top Sellers

1
SC
1
Sculptor Capital
New York
$0
2
DM
2
Deerfield Management
New York
$0
3
WAM
3
Weiss Asset Management
Massachusetts
$6.28M
4
D.E. Shaw & Co
4
D.E. Shaw & Co
New York
$0
5
Millennium Management
5
Millennium Management
New York
$918K
Name Market Value Shares Shares
Change 		Shares
Change %
RCMNY
1
Rubric Capital Management (New York)
New York
$63.1M 47,791,243 -915,397 -2%
Vanguard Group
2
Vanguard Group
Pennsylvania
$50.5M 38,238,714 +8,738,643 +30%
BlackRock
3
BlackRock
New York
$41.5M 31,449,482 +3,844,508 +14%
Geode Capital Management
4
Geode Capital Management
Massachusetts
$13.8M 10,424,473 +1,995,633 +24%
State Street
5
State Street
Massachusetts
$11.3M 8,581,840 +442,344 +5%
UBS Group
6
UBS Group
Switzerland
$7.55M 5,719,632 +3,302,579 +137%
WAM
7
Weiss Asset Management
Massachusetts
$6.28M 4,756,992 -6,435,808 -57%
Northern Trust
8
Northern Trust
Illinois
$4.6M 3,482,272 -47,120 -1%
Charles Schwab
9
Charles Schwab
California
$4.42M 3,350,376 +608,390 +22%
Marshall Wace
10
Marshall Wace
United Kingdom
$4.42M 3,348,166 -1,548,262 -32%
Goldman Sachs
11
Goldman Sachs
New York
$3.72M 2,820,055 -1,181,159 -30%
Morgan Stanley
12
Morgan Stanley
New York
$2.72M 2,059,054 -2,049,434 -50%
AIC
13
AWM Investment Company
New York
$2.64M 2,000,000 +150,000 +8%
Dimensional Fund Advisors
14
Dimensional Fund Advisors
Texas
$2.55M 1,929,683 -292,829 -13%
GCM
15
Graham Capital Management
Connecticut
$2.52M 1,911,131 +100,739 +6%
Bank of America
16
Bank of America
North Carolina
$2.52M 1,906,839 -2,252,043 -54%
Two Sigma Investments
17
Two Sigma Investments
New York
$2.42M 1,836,747 +190,972 +12%
WCM
18
Whitefort Capital Management
New York
$2.34M 1,774,200 +1,774,200 New
YDMI
19
Y.D. More Investments
Israel
$2.01M 1,528,899 -244,048 -14%
Jane Street
20
Jane Street
New York
$1.83M 1,384,552 +835,214 +152%
Invesco
21
Invesco
Georgia
$1.81M 1,371,045 -252,555 -16%
WGS
22
Washington Growth Strategies
District of Columbia
$1.79M 1,356,124 +1,356,122 +67,806,100%
VOYA Investment Management
23
VOYA Investment Management
Georgia
$1.74M 1,319,561 +509,685 +63%
PI
24
PFG Investments
New York
$1.67M 1,265,125 +47,765 +4%
Bank of New York Mellon
25
Bank of New York Mellon
New York
$1.52M 1,148,906 +128,385 +13%
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