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OmniAb
OABI

Overview Fund Activity

144 hedge funds and large institutions have $95.5M invested in OmniAb in 2025 Q2 according to their latest regulatory filings, with 25 funds opening new positions, 56 increasing their positions, 31 reducing their positions, and 32 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
144
Holders Change
-7
Holders Change %
-4.64%
% of All Funds
1.93%
Holding in Top 10
2
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+100%
% of All Funds
0.03%
New
25
Increased
56
Reduced
31
Closed
32
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
WCM
Whitefort Capital Management
New York
+$11M
2
Citadel Advisors
Citadel Advisors
Florida
+$3.37M
3
KLP
Kent Lake PR
Puerto Rico
+$2.65M
4
Jacobs Levy Equity Management
Jacobs Levy Equity Management
New Jersey
+$1.92M
5
Renaissance Technologies
Renaissance Technologies
New York
+$1.18M

Top Sellers

1
Janus Henderson Group
Janus Henderson Group
United Kingdom
-$19.5M
2
Macquarie Group
Macquarie Group
Australia
-$10.6M
3
RCMNY
Rubric Capital Management (New York)
New York
-$6.84M
4
CC
Chicago Capital
Illinois
-$6.29M
5
SDJVC
St. Denis J. Villere & Co
Louisiana
-$3.45M
Name Holding Trade Value Shares
Change 		Shares
Change %
FFO
126
Fortitude Family Office
Arizona
$811 +$811 +466 New
DWS
127
Dynamic Wealth Strategies
California
$715 – – –
DJSG
128
D.J. St. Germain
Massachusetts
$639 – – –
S
129
SignatureFD
Georgia
$628 – – –
CIBC Private Wealth Group
130
CIBC Private Wealth Group
Georgia
$512 -$853 -490 -63%
NA
131
NewEdge Advisors
Louisiana
$329 – – –
CTC
132
Central Trust Company
Missouri
$298 – – –
SA
133
Scarborough Advisors
Maryland
$280 +$280 +161 New
Comerica Bank
134
Comerica Bank
Texas
$221 -$599 -344 -73%
SS
135
SBI Securities
Japan
$219 +$189 +109 +641%
CIAS
136
CBIZ Investment Advisory Services
Ohio
$136 – – –
FMII
137
Farmers & Merchants Investments Inc
Nebraska
$92 – – –
National Bank of Canada
138
National Bank of Canada
Quebec, Canada
$73 +$73 +42 New
UB
139
UMB Bank
Missouri
$50 – – –
PA
140
Parallel Advisors
California
$7 – – –
SC
141
SouthState Corp
Florida
$2 -$1.38K -688 -100%
FFA
142
Farther Finance Advisors
California
$2 -$8 -4 -80%
Janus Henderson Group
143
Janus Henderson Group
United Kingdom
– -$19.5M -8,058,228 Closed
Macquarie Group
144
Macquarie Group
Australia
– -$10.6M -4,422,738 Closed
RCMNY
145
Rubric Capital Management (New York)
New York
– -$6.84M -2,850,588 Closed
CC
146
Chicago Capital
Illinois
– -$6.29M -2,620,454 Closed
SDJVC
147
St. Denis J. Villere & Co
Louisiana
– -$3.45M -1,437,944 Closed
DMKJ
148
David M. Knott Jr
– -$2.36M -982,336 Closed
Impax Asset Management Group
149
Impax Asset Management Group
United Kingdom
– -$1.83M -761,387 Closed
FSCM
150
First Sabrepoint Capital Management
Texas
– -$984K -410,000 Closed
3 4 5
6
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