IGMS

IGM Biosciences
IGMS

Overview Fund Activity
Delisted

IGMS was delisted on the 13th of August, 2025.

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87 hedge funds and large institutions have $514M invested in IGM Biosciences in 2021 Q4 according to their latest regulatory filings, with 13 funds opening new positions, 37 increasing their positions, 20 reducing their positions, and 33 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
87
Holders Change
-20
Holders Change %
-18.69%
% of All Funds
1.34%
Holding in Top 10
–
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-100%
% of All Funds
–
New
13
Increased
37
Reduced
20
Closed
33
Calls
$1.27M
Puts
$1.08M
Net Calls
+$194K
Net Calls Change
-$15.6M

Top Buyers

1
PAMS
1
Pictet Asset Management (Switzerland)
Switzerland
$27.4M
2
CAM
2
Cormorant Asset Management
Massachusetts
$14.7M
3
AG
3
Artal Group
Luxembourg
$44M
4
Millennium Management
4
Millennium Management
New York
$4.8M
5
D.E. Shaw & Co
5
D.E. Shaw & Co
New York
$3.87M

Top Sellers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$0
2
WP
2
Woodline Partners
California
$11.8M
3
Ensign Peak Advisors
3
Ensign Peak Advisors
Utah
$1.37M
4
Citadel Advisors
4
Citadel Advisors
Florida
$0
5
ACM
5
Altium Capital Management
New York
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
QT
76
Quantbot Technologies
New York
$15K +$12.1K +423 +423%
US Bancorp
77
US Bancorp
Minnesota
$10K -$91K -3,130 -90%
EWM
78
Endurance Wealth Management
Rhode Island
$8K – – –
CAPTRUST Financial Advisors
79
CAPTRUST Financial Advisors
North Carolina
$7K – – –
PCH
80
Polar Capital Holdings
United Kingdom
$3.12K +$566 +19,285 +22%
Daiwa Securities Group
81
Daiwa Securities Group
Japan
$3K – – –
PA
82
Parallel Advisors
California
$2K +$1.89K +66 +1,650%
ED
83
Exane Derivatives
France
$1.41K – – –
Osaic Holdings
84
Osaic Holdings
Arizona
$1K +$56 +1 +6%
TFO
85
Tarbox Family Office
California
$1K +$1K +22 New
Fidelity Investments
86
Fidelity Investments
Massachusetts
– -$5.88M -89,368 Closed
Citadel Advisors
87
Citadel Advisors
Florida
– -$2.91M -44,200 Closed
ACM
88
Altium Capital Management
New York
– -$2.79M -42,473 Closed
EC
89
EcoR1 Capital
California
– -$2.5M -38,030 Closed
MAP
90
Moody Aldrich Partners
Massachusetts
– -$1.51M -22,952 Closed
Jane Street
91
Jane Street
New York
– -$1.43M -21,708 Closed
VIA
92
Vident Investment Advisory
Georgia
– -$1.03M -15,603 Closed
HS
93
HighVista Strategies
Massachusetts
– -$1.02M -15,446 Closed
Allianz Asset Management
94
Allianz Asset Management
Germany
– -$942K -14,325 Closed
VF
95
Virtu Financial
New York
– -$486K -7,391 Closed
ProShare Advisors
96
ProShare Advisors
Maryland
– -$428K -6,510 Closed
Los Angeles Capital Management
97
Los Angeles Capital Management
California
– -$421K -6,400 Closed
SG Americas Securities
98
SG Americas Securities
New York
– -$413K -6,279 Closed
PPA
99
Parametric Portfolio Associates
Washington
– -$355K -5,398 Closed
BFM
100
Boothbay Fund Management
New York
– -$338K -5,139 Closed
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