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Opko Health
OPK

Overview Fund Activity

252 hedge funds and large institutions have $401M invested in Opko Health in 2025 Q1 according to their latest regulatory filings, with 43 funds opening new positions, 76 increasing their positions, 56 reducing their positions, and 24 closing their positions.

Holders
252
Holders Change
+18
Holders Change %
+7.69%
% of All Funds
3.42%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
43
Increased
76
Reduced
56
Closed
24
Calls
$5.14M
Puts
$870K
Net Calls
+$4.27M
Net Calls Change
+$12.2M

Top Buyers

1
SC
1
Sculptor Capital
New York
$21.1M
2
WAM
2
Weiss Asset Management
Massachusetts
$18.6M
3
DM
3
Deerfield Management
New York
$11.5M
4
D.E. Shaw & Co
4
D.E. Shaw & Co
New York
$7.85M
5
Marshall Wace
5
Marshall Wace
United Kingdom
$8.13M

Top Sellers

1
UBS Group
1
UBS Group
Switzerland
$4.01M
2
Jane Street
2
Jane Street
New York
$912K
3
Citadel Advisors
3
Citadel Advisors
Florida
$3.08M
4
IECM
4
Intrinsic Edge Capital Management
Illinois
$0
5
State Street
5
State Street
Massachusetts
$13.5M
Name Market Value Shares Shares
Change 		Shares
Change %
RCMNY
1
Rubric Capital Management (New York)
New York
$80.9M 48,706,640 – –
Vanguard Group
2
Vanguard Group
Pennsylvania
$49M 29,500,071 +293,740 +1%
BlackRock
3
BlackRock
New York
$45.8M 27,604,974 -563,638 -2%
SC
4
Sculptor Capital
New York
$21.1M 12,717,400 +12,717,400 New
WAM
5
Weiss Asset Management
Massachusetts
$18.6M 11,192,800 +11,192,800 New
Geode Capital Management
6
Geode Capital Management
Massachusetts
$14M 8,428,840 +43,622 +0.5%
State Street
7
State Street
Massachusetts
$13.5M 8,139,496 -935,402 -10%
DM
8
Deerfield Management
New York
$11.5M 6,906,362 +6,906,362 New
Millennium Management
9
Millennium Management
New York
$10.6M 6,386,911 +1,798,385 +39%
Marshall Wace
10
Marshall Wace
United Kingdom
$8.13M 4,896,428 +3,974,941 +431%
D.E. Shaw & Co
11
D.E. Shaw & Co
New York
$7.85M 4,731,688 +4,731,688 New
Bank of America
12
Bank of America
North Carolina
$6.9M 4,158,882 +3,577,300 +615%
Morgan Stanley
13
Morgan Stanley
New York
$6.82M 4,108,488 +940,546 +30%
Goldman Sachs
14
Goldman Sachs
New York
$6.64M 4,001,214 +161,394 +4%
Lazard Asset Management
15
Lazard Asset Management
New York
$5.99M 3,609,314 +1,060,647 +42%
Northern Trust
16
Northern Trust
Illinois
$5.86M 3,529,392 -168,382 -5%
Charles Schwab
17
Charles Schwab
California
$4.55M 2,741,986 -755,420 -22%
JPMorgan Chase & Co
18
JPMorgan Chase & Co
New York
$4.15M 2,501,332 +926,361 +59%
UBS Group
19
UBS Group
Switzerland
$4.01M 2,417,053 -2,405,794 -50%
Dimensional Fund Advisors
20
Dimensional Fund Advisors
Texas
$3.69M 2,222,512 -46,154 -2%
Citadel Advisors
21
Citadel Advisors
Florida
$3.08M 1,856,526 -1,353,764 -42%
AIC
22
AWM Investment Company
New York
$3.07M 1,850,000 +550,000 +42%
GCM
23
Graham Capital Management
Connecticut
$3.01M 1,810,392 +1,810,392 New
YDMI
24
Y.D. More Investments
Israel
$2.97M 1,772,947 +377,179 +27%
Two Sigma Investments
25
Two Sigma Investments
New York
$2.73M 1,645,775 -1,792 -0.1%
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