IGMS

IGM Biosciences
IGMS

Overview Fund Activity
Delisted

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

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72 hedge funds and large institutions have $183M invested in IGM Biosciences in 2023 Q4 according to their latest regulatory filings, with 17 funds opening new positions, 21 increasing their positions, 21 reducing their positions, and 24 closing their positions.

Holders
72
Holders Change
-7
Holders Change %
-8.86%
% of All Funds
1.06%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
17
Increased
21
Reduced
21
Closed
24
Calls
$222K
Puts
$32K
Net Calls
+$190K
Net Calls Change
+$54K

Top Buyers

1
Goldman Sachs
1
Goldman Sachs
New York
$8.65M
2
AG
2
Artal Group
Luxembourg
$25.8M
3
BBA
3
Baker Bros. Advisors
New York
$30.7M
4
Adage Capital Partners
4
Adage Capital Partners
Massachusetts
$3.32M
5
Citadel Advisors
5
Citadel Advisors
Florida
$1.76M

Top Sellers

1
GPP
1
Great Point Partners
Connecticut
$0
2
Millennium Management
2
Millennium Management
New York
$2.05M
3
ECM
3
ExodusPoint Capital Management
New York
$0
4
Fidelity Investments
4
Fidelity Investments
Massachusetts
$14.1M
5
OM
5
Opaleye Management
Massachusetts
$0
Name Market Value Shares Shares
Change 		Shares
Change %
BBA
1
Baker Bros. Advisors
New York
$30.7M 3,691,011 +533,247 +17%
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$27.1M 3,260,022 +17,307 +0.5%
AG
3
Artal Group
Luxembourg
$25.8M 3,100,422 +578,178 +23%
RG
4
Redmile Group
California
$24.7M 2,971,542 – –
Fidelity Investments
5
Fidelity Investments
Massachusetts
$14.1M 1,698,506 -438,466 -21%
Goldman Sachs
6
Goldman Sachs
New York
$8.65M 1,040,509 +583,516 +128%
RCM
7
RA Capital Management
Massachusetts
$7.79M 937,500 – –
Vanguard Group
8
Vanguard Group
Pennsylvania
$7.46M 897,149 -2,858 -0.3%
BlackRock
9
BlackRock
New York
$6.34M 762,470 -108,446 -12%
Adage Capital Partners
10
Adage Capital Partners
Massachusetts
$3.32M 400,000 +400,000 New
Geode Capital Management
11
Geode Capital Management
Massachusetts
$2.71M 326,656 +34,124 +12%
State Street
12
State Street
Massachusetts
$2.56M 307,468 +18,371 +6%
Millennium Management
13
Millennium Management
New York
$2.05M 247,196 -520,867 -68%
Citadel Advisors
14
Citadel Advisors
Florida
$1.76M 211,508 +192,656 +1,022%
RPAM
15
Rhenman & Partners Asset Management
Sweden
$1.66M 200,000 – –
Morgan Stanley
16
Morgan Stanley
New York
$1.58M 190,082 +116,288 +158%
SB
17
Samsara BioCapital
California
$1.29M 154,664 – –
Northern Trust
18
Northern Trust
Illinois
$1.14M 136,796 +1,013 +0.7%
EAM
19
Exome Asset Management
New York
$1.13M 135,596 +135,596 New
Hudson Bay Capital Management
20
Hudson Bay Capital Management
Connecticut
$1.03M 124,260 – –
Charles Schwab
21
Charles Schwab
California
$1M 120,817 +21,052 +21%
TD Asset Management
22
TD Asset Management
Ontario, Canada
$693K 83,452 – –
WP
23
Woodline Partners
California
$623K 75,000 – –
Prudential Financial
24
Prudential Financial
New Jersey
$547K 65,870 +65,870 New
BC
25
Bruce & Co
Illinois
$540K 65,000 -55,000 -46%
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