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OmniAb
OABI

Overview Fund Activity

152 hedge funds and large institutions have $450M invested in OmniAb in 2024 Q1 according to their latest regulatory filings, with 15 funds opening new positions, 43 increasing their positions, 50 reducing their positions, and 18 closing their positions.

Holders
152
Holders Change
-4
Holders Change %
-2.56%
% of All Funds
2.2%
Holding in Top 10
1
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-66.67%
% of All Funds
0.01%
New
15
Increased
43
Reduced
50
Closed
18
Calls
$774K
Puts
$276K
Net Calls
+$498K
Net Calls Change
-$338K

Top Buyers

1
Millennium Management
1
Millennium Management
New York
$15.2M
2
Tudor Investment Corp
2
Tudor Investment Corp
Connecticut
$1.16M
3
Dimensional Fund Advisors
3
Dimensional Fund Advisors
Texas
$15.3M
4
Wells Fargo
4
Wells Fargo
California
$937K
5
State of Wisconsin Investment Board
5
State of Wisconsin Investment Board
Wisconsin
$466K

Top Sellers

1
Morgan Stanley
1
Morgan Stanley
New York
$1.96M
2
PMG
2
Private Management Group
California
$12.4M
3
BlackRock
3
BlackRock
New York
$38.3M
4
D.E. Shaw & Co
4
D.E. Shaw & Co
New York
$654K
5
Aberdeen Group
5
Aberdeen Group
United Kingdom
$0
Name Market Value Shares Shares
Change 		Shares
Change %
ACH
1
Avista Capital Holdings
New York
$83.3M 15,817,934 – –
Janus Henderson Group
2
Janus Henderson Group
United Kingdom
$42.6M 7,859,438 +81,541 +1%
BlackRock
3
BlackRock
New York
$38.3M 7,072,101 -215,718 -3%
Vanguard Group
4
Vanguard Group
Pennsylvania
$31M 5,713,539 +62,131 +1%
Macquarie Group
5
Macquarie Group
Australia
$18.8M 3,474,134 -94,096 -3%
William Blair Investment Management
6
William Blair Investment Management
Illinois
$18.2M 3,364,346 +27,105 +0.8%
CC
7
Chicago Capital
Illinois
$17.3M 3,187,352 -7,121 -0.2%
RCMNY
8
Rubric Capital Management (New York)
New York
$15.5M 2,850,588 – –
Dimensional Fund Advisors
9
Dimensional Fund Advisors
Texas
$15.3M 2,817,381 +193,386 +7%
Millennium Management
10
Millennium Management
New York
$15.2M 2,912,430 +636,012 +28%
RHJA
11
Rice Hall James & Associates
California
$14.3M 2,640,541 -72,103 -3%
PMG
12
Private Management Group
California
$12.4M 2,278,612 -361,039 -14%
Geode Capital Management
13
Geode Capital Management
Massachusetts
$12.1M 2,223,852 +72,297 +3%
SDJVC
14
St. Denis J. Villere & Co
Louisiana
$11.3M 2,078,294 -73,475 -3%
State Street
15
State Street
Massachusetts
$11.1M 2,045,826 +36,418 +2%
FSCM
16
First Sabrepoint Capital Management
Texas
$8.57M 1,580,621 -76,552 -5%
OCM
17
Orchard Capital Management
Illinois
$7.44M 1,373,498 +15,470 +1%
KCM
18
Kornitzer Capital Management
Kansas
$6.61M 1,219,955 – –
DMKJ
19
David M. Knott Jr
$5.98M 1,103,505 +17,000 +2%
Northern Trust
20
Northern Trust
Illinois
$4.72M 870,632 -2,800 -0.3%
Impax Asset Management Group
21
Impax Asset Management Group
United Kingdom
$4.13M 761,387 -86,797 -10%
Charles Schwab
22
Charles Schwab
California
$4.1M 756,887 +5,391 +0.7%
WC
23
Woodstock Corp
Massachusetts
$4.06M 748,428 +5,426 +0.7%
Deutsche Bank
24
Deutsche Bank
Germany
$3.15M 581,051 +1,160 +0.2%
ACM
25
ADAR1 Capital Management
Texas
$2.45M 451,485 -26,686 -6%
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