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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 %
ACH
1
Avista Capital Holdings
New York
$95.4M 15,817,934 +15,817,934 New
Janus Henderson Group
2
Janus Henderson Group
United Kingdom
$48M 7,777,897 +96,622 +1%
BlackRock
3
BlackRock
New York
$45M 7,287,819 +521,034 +8%
Vanguard Group
4
Vanguard Group
Pennsylvania
$34.9M 5,651,408 +155,464 +3%
Macquarie Group
5
Macquarie Group
Australia
$22M 3,568,230 -331,084 -8%
William Blair Investment Management
6
William Blair Investment Management
Illinois
$20.6M 3,337,241 +474,585 +17%
CC
7
Chicago Capital
Illinois
$19.7M 3,194,473 -1,125 -0%
RCMNY
8
Rubric Capital Management (New York)
New York
$17.6M 2,850,588 – –
RHJA
9
Rice Hall James & Associates
California
$16.7M 2,712,644 -68,182 -2%
PMG
10
Private Management Group
California
$16.3M 2,639,651 -32,641 -1%
Dimensional Fund Advisors
11
Dimensional Fund Advisors
Texas
$16.2M 2,623,995 +293,674 +13%
Millennium Management
12
Millennium Management
New York
$13.3M 2,276,418 -1,522,828 -40%
Geode Capital Management
13
Geode Capital Management
Massachusetts
$13.3M 2,151,555 +74,457 +4%
SDJVC
14
St. Denis J. Villere & Co
Louisiana
$13.3M 2,151,769 -74,566 -3%
State Street
15
State Street
Massachusetts
$12.4M 2,009,408 -61,541 -3%
FSCM
16
First Sabrepoint Capital Management
Texas
$10.2M 1,657,173 +208,374 +14%
OCM
17
Orchard Capital Management
Illinois
$8.38M 1,358,028 +77,838 +6%
KCM
18
Kornitzer Capital Management
Kansas
$7.53M 1,219,955 -510,470 -29%
DMKJ
19
David M. Knott Jr
$6.7M 1,086,505 – –
Morgan Stanley
20
Morgan Stanley
New York
$5.66M 916,724 +655,523 +251%
Northern Trust
21
Northern Trust
Illinois
$5.39M 873,432 -10,871 -1%
Impax Asset Management Group
22
Impax Asset Management Group
United Kingdom
$5.23M 848,184 -300,000 -26%
Charles Schwab
23
Charles Schwab
California
$4.64M 751,496 +9,734 +1%
WC
24
Woodstock Corp
Massachusetts
$4.58M 743,002 +57,212 +8%
Deutsche Bank
25
Deutsche Bank
Germany
$3.58M 579,891 -1,078 -0.2%
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