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OmniAb
OABI

Overview Fund Activity

151 hedge funds and large institutions have $152M invested in OmniAb in 2025 Q1 according to their latest regulatory filings, with 16 funds opening new positions, 43 increasing their positions, 54 reducing their positions, and 26 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
151
Holders Change
-12
Holders Change %
-7.36%
% of All Funds
2.05%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
16
Increased
43
Reduced
54
Closed
26
Calls
$2K
Puts
$7K
Net Calls
-$5K
Net Calls Change
-$109K

Top Buyers

1
WCM
Whitefort Capital Management
New York
+$9.4M
2
PMG
Private Management Group
California
+$712K
3
Vanguard Group
Vanguard Group
Pennsylvania
+$298K
4
Macquarie Group
Macquarie Group
Australia
+$293K
5
RA
Royce & Associates
New York
+$264K

Top Sellers

1
KCM
Kornitzer Capital Management
Kansas
-$3.18M
2
FSCM
First Sabrepoint Capital Management
Texas
-$2.52M
3
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
-$920K
4
CC
Chicago Capital
Illinois
-$852K
5
OCM
Orchard Capital Management
Illinois
-$774K
Name Holding Trade Value Shares
Change 		Shares
Change %
AIP
101
Ameritas Investment Partners
Nebraska
$23.2K – – –
Legal & General Group
102
Legal & General Group
United Kingdom
$20K -$162K -67,376 -89%
Royal Bank of Canada
103
Royal Bank of Canada
Ontario, Canada
$18K -$13.8K -5,551 -43%
SWM
104
Spire Wealth Management
Virginia
$16.3K +$1.2K +500 +8%
TRCT
105
Tower Research Capital (TRC)
New York
$16.2K +$12.7K +5,284 +357%
California State Teachers Retirement System (CalSTRS)
106
California State Teachers Retirement System (CalSTRS)
California
$16K -$171K -71,266 -91%
GWM
107
Geneos Wealth Management
Colorado
$15.6K +$15.6K +2,169 New
Osaic Holdings
108
Osaic Holdings
Arizona
$10.9K -$113 -47 -1%
Federated Hermes
109
Federated Hermes
Pennsylvania
$9.98K -$12.3K -5,121 -55%
Mirae Asset Global Investments
110
Mirae Asset Global Investments
South Korea
$8.76K -$1K -414 -10%
Lazard Asset Management
111
Lazard Asset Management
New York
$8K -$845 -390 -10%
AB
112
Amalgamated Bank
New York
$8K – – –
GFM
113
GF Fund Management
China
$7.44K +$1.34K +558 +22%
Nisa Investment Advisors
114
Nisa Investment Advisors
Missouri
$6.13K -$775 -323 -11%
JGIA
115
Jackson Grant Investment Advisers
Connecticut
$5.88K – – –
RPA
116
Redwood Park Advisors
California
$5.24K – – –
Russell Investments Group
117
Russell Investments Group
United Kingdom
$4.62K -$43 -18 -0.9%
RA
118
Rise Advisors
New York
$4.14K – – –
AF
119
Allworth Financial
California
$3.87K – – –
SCM
120
Sterling Capital Management
North Carolina
$3.54K -$2.75K -1,147 -44%
LFG
121
Larson Financial Group
Missouri
$3.53K – – –
Carson Wealth (CWM LLC)
122
Carson Wealth (CWM LLC)
Nebraska
$3K +$2.3K +850 +329%
Northwestern Mutual Wealth Management
123
Northwestern Mutual Wealth Management
Wisconsin
$2.74K +$588 +245 +27%
WAM
124
Wolverine Asset Management
Illinois
$1.84K +$1.84K +766 New
SC
125
SouthState Corp
Florida
$1.65K +$1.65K +689 New
3 4
5
6 7