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OmniAb
OABI

Overview Fund Activity

156 hedge funds and large institutions have $517M invested in OmniAb in 2023 Q4 according to their latest regulatory filings, with 26 funds opening new positions, 44 increasing their positions, 42 reducing their positions, and 16 closing their positions.

Holders
156
Holders Change
+9
Holders Change %
+6.12%
% of All Funds
2.29%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.04%
New
26
Increased
44
Reduced
42
Closed
16
Calls
$1.11M
Puts
$276K
Net Calls
+$836K
Net Calls Change
+$620K

Top Buyers

1
ACH
1
Avista Capital Holdings
New York
$95.4M
2
Morgan Stanley
2
Morgan Stanley
New York
$5.66M
3
BlackRock
3
BlackRock
New York
$45M
4
ACM
4
ADAR1 Capital Management
Texas
$2.95M
5
William Blair Investment Management
5
William Blair Investment Management
Illinois
$20.6M

Top Sellers

1
Millennium Management
1
Millennium Management
New York
$13.3M
2
KCM
2
Kornitzer Capital Management
Kansas
$7.53M
3
Invesco
3
Invesco
Georgia
$370K
4
1CM
4
1492 Capital Management
Wisconsin
$0
5
Macquarie Group
5
Macquarie Group
Australia
$22M
Name Market Value Shares Shares
Change 		Shares
Change %
ACM
26
ADAR1 Capital Management
Texas
$2.95M 478,171 +478,171 New
Bank of New York Mellon
27
Bank of New York Mellon
New York
$2.87M 464,954 +46,515 +11%
Fuller & Thaler Asset Management
28
Fuller & Thaler Asset Management
California
$2.86M 463,425 – –
Bank of America
29
Bank of America
North Carolina
$2.62M 425,093 -2,702 -0.6%
AC
30
AWH Capital
Texas
$2.61M 422,401 -133,099 -24%
IP
31
Isthmus Partners
Wisconsin
$1.92M 310,774 +48,138 +18%
KLC
32
Kent Lake Capital
Nevada
$1.85M 300,000 -96,154 -24%
TA
33
TLS Advisors
Florida
$1.54M 250,185 – –
D.E. Shaw & Co
34
D.E. Shaw & Co
New York
$1.53M 248,112 +42,325 +21%
Connor, Clark & Lunn Investment Management (CC&L)
35
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$1.51M 244,619 +15,164 +7%
Nuveen Asset Management
36
Nuveen Asset Management
Illinois
$1.41M 227,860 +1,807 +0.8%
JPMorgan Chase & Co
37
JPMorgan Chase & Co
New York
$1.37M 222,294 +71,284 +47%
Goldman Sachs
38
Goldman Sachs
New York
$1.17M 189,437 +18,542 +11%
TL
39
TowerView LLC
New York
$1.08M 175,000 +65,000 +59%
Swiss National Bank
40
Swiss National Bank
Switzerland
$1.06M 171,703 -18,900 -10%
CC
41
Cornerstone Capital
California
$1.02M 166,016 – –
RA
42
Royce & Associates
New York
$988K 160,148 +114,485 +251%
RhumbLine Advisers
43
RhumbLine Advisers
Massachusetts
$978K 158,520 +7,956 +5%
Barclays
44
Barclays
United Kingdom
$896K 145,298 +113,170 +352%
UBS Group
45
UBS Group
Switzerland
$757K 122,664 +51,036 +71%
Fidelity Investments
46
Fidelity Investments
Massachusetts
$709K 114,929 +69,586 +153%
AllianceBernstein
47
AllianceBernstein
Tennessee
$701K 113,685 – –
CPA
48
Court Place Advisors
Maryland
$689K 111,657 – –
Aberdeen Group
49
Aberdeen Group
United Kingdom
$640K 103,708 – –
California State Teachers Retirement System (CalSTRS)
50
California State Teachers Retirement System (CalSTRS)
California
$575K 93,118 -4,119 -4%
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