IGMS

IGM Biosciences
IGMS

Overview Fund Activity
Delisted

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

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109 hedge funds and large institutions have $1.38B invested in IGM Biosciences in 2021 Q1 according to their latest regulatory filings, with 16 funds opening new positions, 40 increasing their positions, 34 reducing their positions, and 14 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
109
Holders Change
+2
Holders Change %
+1.87%
% of All Funds
1.92%
Holding in Top 10
1
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-66.67%
% of All Funds
0.02%
New
16
Increased
40
Reduced
34
Closed
14
Calls
$7.08M
Puts
$27.5M
Net Calls
-$20.4M
Net Calls Change
+$7.76M

Top Buyers

1
Goldman Sachs
Goldman Sachs
New York
$56.8M
2
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
$138M
3
APM
Avidity Partners Management
Texas
$22.5M
4
State Street
State Street
Massachusetts
$52.7M
5
Ensign Peak Advisors
Ensign Peak Advisors
Utah
$14.1M

Top Sellers

1
Janus Henderson Group
Janus Henderson Group
United Kingdom
$20.6M
2
LGM
Logos Global Management
California
$0
3
WP
Woodline Partners
California
$33M
4
CAM
Cormorant Asset Management
Massachusetts
$38M
5
AG
Artal Group
Luxembourg
$86.3M
Name Holding Trade Value Shares
Change 		Shares
Change %
RG
1
Redmile Group
California
$263M – – –
BBA
2
Baker Bros. Advisors
New York
$242M +$860K +11,210 +0.4%
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$138M +$35.9M +467,527 +35%
AG
4
Artal Group
Luxembourg
$86.3M -$5.75M -75,000 -6%
Alkeon Capital Management
5
Alkeon Capital Management
New York
$80.8M +$197K +2,568 +0.2%
RCM
6
RA Capital Management
Massachusetts
$75.4M – – –
Goldman Sachs
7
Goldman Sachs
New York
$56.8M +$41M +534,992 +261%
BlackRock
8
BlackRock
New York
$56.7M +$1.36M +17,691 +2%
State Street
9
State Street
Massachusetts
$52.7M +$10.9M +142,642 +26%
CAM
10
Cormorant Asset Management
Massachusetts
$38M -$7.99M -104,231 -17%
WP
11
Woodline Partners
California
$33M -$8.42M -109,733 -20%
Vanguard Group
12
Vanguard Group
Pennsylvania
$31M -$2.82M -36,830 -8%
PAMU
13
Pictet Asset Management (UK)
United Kingdom
$28.3M -$3.14M -40,880 -10%
APM
14
Avidity Partners Management
Texas
$22.5M +$16.3M +213,000 +266%
Janus Henderson Group
15
Janus Henderson Group
United Kingdom
$20.6M -$17.9M -232,812 -46%
UBS AM
16
UBS AM
Illinois
$19.3M -$3.61M -47,018 -16%
Ensign Peak Advisors
17
Ensign Peak Advisors
Utah
$14.1M +$9.59M +125,038 +214%
HA
18
HHLR Advisors
Cayman Islands
$11.6M – – –
Geode Capital Management
19
Geode Capital Management
Massachusetts
$10.4M +$1.33M +17,340 +15%
Fidelity Investments
20
Fidelity Investments
Massachusetts
$9.36M -$3.74M -48,800 -29%
CS
21
Candriam SCA
Luxembourg
$9.24M – – –
Northern Trust
22
Northern Trust
Illinois
$7.91M -$900K -11,738 -10%
D.E. Shaw & Co
23
D.E. Shaw & Co
New York
$4.27M +$1.9M +24,753 +80%
Charles Schwab
24
Charles Schwab
California
$3.76M +$280K +3,654 +8%
Citadel Advisors
25
Citadel Advisors
Florida
$3.64M +$357K +4,655 +11%
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