145 hedge funds and large institutions have $1.08B invested in 89bio in 2023 Q1 according to their latest regulatory filings, with 60 funds opening new positions, 48 increasing their positions, 29 reducing their positions, and 20 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
145
Holders Change
+39
Holders Change %
+36.79%
% of All Funds
2.32%
Holding in Top 10
3
Holding in Top 10 Change
+3
Holding in Top 10 Change %
%
% of All Funds
0.05%
New
60
Increased
48
Reduced
29
Closed
20
Calls
$55.5M
Puts
$25M
Net Calls
+$30.5M
Net Calls Change
+$25.5M
Name Holding Trade Value Shares
Change
Shares
Change %
Charles Schwab
101
Charles Schwab
California
$320K +$87.2K +5,724 +37%
ECM
102
Endurant Capital Management
California
$298K -$262K -17,199 -47%
DekaBank Deutsche Girozentrale
103
DekaBank Deutsche Girozentrale
Germany
$298K +$298K +20,000 New
MFS
104
Mirabella Financial Services
United Kingdom
$288K +$288K +18,916 New
BCM
105
Bourgeon Capital Management
Connecticut
$279K +$264K +17,350 +1,735%
EFM
106
E Fund Management
China
$276K +$276K +18,140 New
AI
107
Atom Investors
Texas
$271K +$271K +17,810 New
JFG
108
Jefferies Financial Group
New York
$241K +$241K +15,812 New
GCP
109
GSA Capital Partners
United Kingdom
$229K -$496K -32,597 -68%
SIM
110
Sandia Investment Management
Massachusetts
$228K +$228K +15,000 New
WMSA
111
Weiss Multi-Strategy Advisers
New York
$225K +$225K +14,742 New
DC
112
Diametric Capital
Massachusetts
$214K +$214K +14,029 New
Renaissance Technologies
113
Renaissance Technologies
New York
$212K -$3.07M -201,267 -94%
Mirae Asset Global Investments
114
Mirae Asset Global Investments
South Korea
$203K +$203K +13,351 New
6CM
115
683 Capital Management
New York
$168K -$170K -11,178 -50%
SG Americas Securities
116
SG Americas Securities
New York
$165K +$2.81K +184 +2%
BFM
117
Boothbay Fund Management
New York
$164K -$1.18M -77,756 -88%
JGC
118
J. Goldman & Co
New York
$160K -$663K -43,534 -81%
Man Group
119
Man Group
United Kingdom
$156K -$227K -17,804 Closed
GIA
120
Gladstone Institutional Advisory
Florida
$152K
Group One Trading
121
Group One Trading
Illinois
$131K -$18.7K -1,225 -12%
Deutsche Bank
122
Deutsche Bank
Germany
$128K
TRCT
123
Tower Research Capital (TRC)
New York
$125K +$78.2K +5,120 +167%
PNC Financial Services Group
124
PNC Financial Services Group
Pennsylvania
$125K +$125K +8,200 New
FAM
125
Fred Alger Management
New York
$107K +$107K +7,056 New