IGMS

IGM Biosciences
IGMS

Overview Fund Activity
Delisted

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

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79 hedge funds and large institutions have $186M invested in IGM Biosciences in 2023 Q3 according to their latest regulatory filings, with 15 funds opening new positions, 27 increasing their positions, 21 reducing their positions, and 14 closing their positions.

Holders
79
Holders Change
–
Holders Change %
0%
% of All Funds
1.26%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
15
Increased
27
Reduced
21
Closed
14
Calls
$145K
Puts
$9K
Net Calls
+$136K
Net Calls Change
+$76K

Top Buyers

1
ECM
1
ExodusPoint Capital Management
New York
$3.79M
2
Vanguard Group
2
Vanguard Group
Pennsylvania
$7.52M
3
OM
3
Opaleye Management
Massachusetts
$2.18M
4
First Manhattan
4
First Manhattan
New York
$1.44M
5
Hudson Bay Capital Management
5
Hudson Bay Capital Management
Connecticut
$1.04M

Top Sellers

1
UBS AM
1
UBS AM
Illinois
$93.1K
2
Millennium Management
2
Millennium Management
New York
$6.41M
3
Goldman Sachs
3
Goldman Sachs
New York
$3.82M
4
D.E. Shaw & Co
4
D.E. Shaw & Co
New York
$634K
5
Renaissance Technologies
5
Renaissance Technologies
New York
$759K
Name Holding Trade Value Shares
Change 		Shares
Change %
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$27.1M +$98.9K +11,845 +0.4%
BBA
2
Baker Bros. Advisors
New York
$26.4M +$4.63K +554 +0%
RG
3
Redmile Group
California
$24.8M – – –
AG
4
Artal Group
Luxembourg
$21.1M – – –
Fidelity Investments
5
Fidelity Investments
Massachusetts
$17.8M +$15.5K +1,853 +0.1%
RCM
6
RA Capital Management
Massachusetts
$7.83M – – –
Vanguard Group
7
Vanguard Group
Pennsylvania
$7.52M +$1.69M +202,719 +29%
BlackRock
8
BlackRock
New York
$7.27M +$115K +13,745 +2%
Millennium Management
9
Millennium Management
New York
$6.41M -$1.81M -216,600 -22%
GPP
10
Great Point Partners
Connecticut
$5.14M +$963K +115,317 +23%
Goldman Sachs
11
Goldman Sachs
New York
$3.82M -$1.8M -215,196 -32%
ECM
12
ExodusPoint Capital Management
New York
$3.79M +$3.79M +453,898 New
Geode Capital Management
13
Geode Capital Management
Massachusetts
$2.44M +$602K +72,115 +33%
State Street
14
State Street
Massachusetts
$2.41M +$233K +27,848 +11%
OM
15
Opaleye Management
Massachusetts
$2.18M +$1.65M +197,500 +311%
RPAM
16
Rhenman & Partners Asset Management
Sweden
$1.67M – – –
CS
17
Candriam SCA
Luxembourg
$1.46M – – –
First Manhattan
18
First Manhattan
New York
$1.44M +$1.44M +172,200 New
SB
19
Samsara BioCapital
California
$1.29M – – –
Northern Trust
20
Northern Trust
Illinois
$1.13M +$125K +15,009 +12%
GCP
21
GSA Capital Partners
United Kingdom
$1.11M +$220K +26,358 +25%
Hudson Bay Capital Management
22
Hudson Bay Capital Management
Connecticut
$1.04M +$1.04M +124,260 New
BC
23
Bruce & Co
Illinois
$1M +$543K +65,000 +118%
Charles Schwab
24
Charles Schwab
California
$833K +$20.6K +2,472 +3%
Renaissance Technologies
25
Renaissance Technologies
New York
$759K -$711K -85,100 -48%
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