IGMS

IGM Biosciences
IGMS

Overview Fund Activity
Delisted

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

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107 hedge funds and large institutions have $1.52B invested in IGM Biosciences in 2020 Q4 according to their latest regulatory filings, with 30 funds opening new positions, 32 increasing their positions, 32 reducing their positions, and 14 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
107
Holders Change
+16
Holders Change %
+17.58%
% of All Funds
1.9%
Holding in Top 10
3
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+200%
% of All Funds
0.05%
New
30
Increased
32
Reduced
32
Closed
14
Calls
$5.37M
Puts
$33.5M
Net Calls
-$28.1M
Net Calls Change
-$24.2M

Top Buyers

1
AG
Artal Group
Luxembourg
$106M
2
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$117M
3
WP
Woodline Partners
California
$47.7M
4
CAM
Cormorant Asset Management
Massachusetts
$53M
5
BlackRock
BlackRock
New York
$63.7M

Top Sellers

1
Janus Henderson Group
Janus Henderson Group
United Kingdom
$44.3M
2
HA
HHLR Advisors
Cayman Islands
$13.4M
3
VC
Vivo Capital
California
$1.77M
4
Fidelity Investments
Fidelity Investments
Massachusetts
$15.1M
5
Nuveen Asset Management
Nuveen Asset Management
Illinois
$2.62M
Name Holding Trade Value Shares
Change 		Shares
Change %
RG
1
Redmile Group
California
$302M – – –
BBA
2
Baker Bros. Advisors
New York
$278M +$39.4K +446 +0%
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$117M +$40.7M +460,573 +53%
AG
4
Artal Group
Luxembourg
$106M +$45.1M +511,090 +74%
Alkeon Capital Management
5
Alkeon Capital Management
New York
$92.8M +$10.8M +122,184 +13%
RCM
6
RA Capital Management
Massachusetts
$86.8M – – –
BlackRock
7
BlackRock
New York
$63.7M +$23.5M +265,714 +58%
CAM
8
Cormorant Asset Management
Massachusetts
$53M +$33.1M +375,000 +167%
State Street
9
State Street
Massachusetts
$48.1M +$19M +215,407 +65%
WP
10
Woodline Partners
California
$47.7M +$39.7M +450,038 +498%
Janus Henderson Group
11
Janus Henderson Group
United Kingdom
$44.3M -$30.3M -343,190 -41%
Vanguard Group
12
Vanguard Group
Pennsylvania
$38.9M +$6.1M +69,077 +19%
PAMU
13
Pictet Asset Management (UK)
United Kingdom
$36.2M +$11.3M +128,061 +45%
UBS AM
14
UBS AM
Illinois
$26.4M +$17.1M +193,331 +183%
Goldman Sachs
15
Goldman Sachs
New York
$18.1M +$12.8M +145,264 +242%
Fidelity Investments
16
Fidelity Investments
Massachusetts
$15.1M -$4.08M -46,260 -21%
HA
17
HHLR Advisors
Cayman Islands
$13.4M -$17.5M -198,610 -57%
LGM
18
Logos Global Management
California
$13.2M +$13.2M +150,000 New
Geode Capital Management
19
Geode Capital Management
Massachusetts
$10.5M -$132K -1,492 -1%
Northern Trust
20
Northern Trust
Illinois
$10.1M -$448K -5,078 -4%
CS
21
Candriam SCA
Luxembourg
$9.61M -$1.89M -21,395 -16%
APM
22
Avidity Partners Management
Texas
$7.06M +$7.06M +80,000 New
Ensign Peak Advisors
23
Ensign Peak Advisors
Utah
$5.16M -$1.25M -14,192 -20%
Norges Bank
24
Norges Bank
Norway
$4.74M – – –
Charles Schwab
25
Charles Schwab
California
$4.01M -$47.5K -538 -1%
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