IGMS

IGM Biosciences
IGMS

Overview Fund Activity
Delisted

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

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86 hedge funds and large institutions have $220M invested in IGM Biosciences in 2024 Q1 according to their latest regulatory filings, with 25 funds opening new positions, 21 increasing their positions, 23 reducing their positions, and 11 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
86
Holders Change
+14
Holders Change %
+19.44%
% of All Funds
1.25%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
25
Increased
21
Reduced
23
Closed
11
Calls
$107K
Puts
$49K
Net Calls
+$58K
Net Calls Change
-$132K

Top Buyers

1
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$37.5M
2
Millennium Management
Millennium Management
New York
$6.71M
3
BBA
Baker Bros. Advisors
New York
$39.5M
4
Goldman Sachs
Goldman Sachs
New York
$12.3M
5
RG
Redmile Group
California
$29.6M

Top Sellers

1
Fidelity Investments
Fidelity Investments
Massachusetts
$12.7M
2
Adage Capital Partners
Adage Capital Partners
Massachusetts
$0
3
Citadel Advisors
Citadel Advisors
Florida
$127K
4
EAM
Exome Asset Management
New York
$0
5
Hudson Bay Capital Management
Hudson Bay Capital Management
Connecticut
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
BBA
1
Baker Bros. Advisors
New York
$39.5M +$3.83M +397,311 +11%
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$37.5M +$6.06M +628,001 +19%
AG
3
Artal Group
Luxembourg
$29.7M -$193K -20,000 -0.6%
RG
4
Redmile Group
California
$29.6M +$974K +100,936 +3%
Fidelity Investments
5
Fidelity Investments
Massachusetts
$12.7M -$3.68M -381,165 -22%
Goldman Sachs
6
Goldman Sachs
New York
$12.3M +$2.3M +238,110 +23%
RCM
7
RA Capital Management
Massachusetts
$9.05M – – –
Vanguard Group
8
Vanguard Group
Pennsylvania
$8.24M -$420K -43,491 -5%
BlackRock
9
BlackRock
New York
$7.31M -$43.5K -4,507 -0.6%
Millennium Management
10
Millennium Management
New York
$6.71M +$4.32M +447,865 +181%
Geode Capital Management
11
Geode Capital Management
Massachusetts
$3.24M +$90.2K +9,349 +3%
State Street
12
State Street
Massachusetts
$3.08M +$114K +11,801 +4%
RPAM
13
Rhenman & Partners Asset Management
Sweden
$1.88M -$48.3K -5,000 -3%
TD Asset Management
14
TD Asset Management
Ontario, Canada
$1.54M +$730K +75,670 +91%
SB
15
Samsara BioCapital
California
$1.49M – – –
Northern Trust
16
Northern Trust
Illinois
$1.32M +$4.25K +440 +0.3%
Charles Schwab
17
Charles Schwab
California
$1.17M +$2.91K +301 +0.2%
Morgan Stanley
18
Morgan Stanley
New York
$976K -$859K -88,987 -47%
D.E. Shaw & Co
19
D.E. Shaw & Co
New York
$899K +$443K +45,918 +97%
Jacobs Levy Equity Management
20
Jacobs Levy Equity Management
New Jersey
$758K +$758K +78,580 New
WP
21
Woodline Partners
California
$724K – – –
Marshall Wace
22
Marshall Wace
United Kingdom
$683K +$683K +70,776 New
Manulife (Manufacturers Life Insurance)
23
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$680K +$208K +21,559 +44%
BC
24
Bruce & Co
Illinois
$627K – – –
PI
25
Pennant Investors
New Jersey
$626K – – –
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