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89bio
ETNB

Overview Fund Activity

183 hedge funds and large institutions have $1.58B invested in 89bio in 2025 Q2 according to their latest regulatory filings, with 30 funds opening new positions, 80 increasing their positions, 56 reducing their positions, and 33 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
183
Holders Change
-3
Holders Change %
-1.61%
% of All Funds
2.45%
Holding in Top 10
4
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+33.33%
% of All Funds
0.05%
New
30
Increased
80
Reduced
56
Closed
33
Calls
$3.66M
Puts
$17.4M
Net Calls
-$13.7M
Net Calls Change
-$9.12M

Top Buyers

1
Holocene Advisors
Holocene Advisors
New York
$30.1M
2
Point72 Asset Management
Point72 Asset Management
Connecticut
$22.3M
3
Adage Capital Partners
Adage Capital Partners
Massachusetts
$19.3M
4
Assenagon Asset Management
Assenagon Asset Management
Luxembourg
$21.3M
5
Morgan Stanley
Morgan Stanley
New York
$21.5M

Top Sellers

1
LGM
Logos Global Management
California
$0
2
BBL
Beck Bode LLC
Massachusetts
$0
3
Citadel Advisors
Citadel Advisors
Florida
$37.7M
4
RSCM
Rock Springs Capital Management
Maryland
$393K
5
Lord, Abbett & Co
Lord, Abbett & Co
New Jersey
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
Dimensional Fund Advisors
26
Dimensional Fund Advisors
Texas
$11.6M +$5.85M +595,237 +101%
UOWF
27
University of Wisconsin Foundation
Wisconsin
$11.3M – – –
EMFAT
28
Emerald Mutual Fund Advisers Trust
Pennsylvania
$11.3M +$617K +62,840 +6%
Northern Trust
29
Northern Trust
Illinois
$11.1M +$461K +46,973 +4%
Charles Schwab
30
Charles Schwab
California
$10.4M +$768K +78,201 +8%
IHAM
31
Integral Health Asset Management
New York
$10.3M – – –
Millennium Management
32
Millennium Management
New York
$9.45M +$5.01M +510,020 +113%
RAM
33
Readystate Asset Management
Illinois
$8.86M +$2.13M +216,907 +32%
EAM
34
Erste Asset Management
Austria
$8.68M – – –
ACM
35
ADAR1 Capital Management
Texas
$8.6M +$705K +71,763 +9%
CS
36
Candriam SCA
Luxembourg
$7.52M -$644K -65,612 -8%
NL
37
Nuveen LLC
North Carolina
$6.27M -$3.9M -397,130 -38%
Alyeska Investment Group
38
Alyeska Investment Group
Illinois
$5.67M -$2.7M -275,254 -32%
Raymond James Financial
39
Raymond James Financial
Florida
$5.61M +$1.86M +189,311 +50%
Fidelity Investments
40
Fidelity Investments
Massachusetts
$5.59M -$1.19M -121,007 -18%
Renaissance Technologies
41
Renaissance Technologies
New York
$5.04M +$89.4K +9,100 +2%
IAM
42
Infinitum Asset Management
Florida
$4.91M – – –
Barclays
43
Barclays
United Kingdom
$4.8M -$3.32M -338,149 -41%
UBS AM
44
UBS AM
Illinois
$3.84M +$1.2M +122,612 +46%
SSA
45
Schonfeld Strategic Advisors
New York
$3.76M +$3.76M +383,188 New
VC
46
Vivo Capital
California
$3.7M – – –
Wellington Management Group
47
Wellington Management Group
Massachusetts
$3.61M +$1.15M +117,074 +47%
Bank of New York Mellon
48
Bank of New York Mellon
New York
$3.43M +$389K +39,656 +13%
UBS Group
49
UBS Group
Switzerland
$3.43M +$1.44M +146,238 +72%
PAM
50
Panagora Asset Management
Massachusetts
$3.24M -$977K -99,511 -23%
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