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IGMS

IGM Biosciences

Delisted

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

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.

New
Increased
Maintained
Reduced
Closed

1,511% more call options, than puts

Call options by funds: $145K | Put options by funds: $9K

29% more repeat investments, than reductions

Existing positions increased: 27 | Existing positions reduced: 21

7% more first-time investments, than exits

New positions opened: 15 | Existing positions closed: 14

0% more funds holding

Funds holding: 7979 (0)

3.66% less ownership

Funds ownership: 71.55%67.89% (-3.7%)

10% less capital invested

Capital invested by funds: $208M → $186M (-$21.3M)

Holders
79
Holders Change
Holders Change %
0%
% of All Funds
1.25%
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
Name Holding Trade Value Shares
Change
Change in
Stake
T. Rowe Price Associates
1
T. Rowe Price Associates
Maryland
$27.1M +$100K +11,845 +0.4%
BBA
2
Baker Bros. Advisors
New York
$26.4M +$4.7K +554 +0%
RG
3
Redmile Group
California
$24.8M
AG
4
Artal Group
Luxembourg
$21.1M
Fidelity Investments
5
Fidelity Investments
Massachusetts
$17.8M +$15.7K +1,853 +0.1%
RCM
6
RA Capital Management
Massachusetts
$7.83M
Vanguard Group
7
Vanguard Group
Pennsylvania
$7.52M +$1.72M +202,719 +29%
BlackRock
8
BlackRock
New York
$7.27M +$117K +13,745 +2%
Millennium Management
9
Millennium Management
New York
$6.41M -$1.84M -216,600 -22%
GPP
10
Great Point Partners
Connecticut
$5.14M +$978K +115,317 +23%
Goldman Sachs
11
Goldman Sachs
New York
$3.82M -$1.83M -215,196 -32%
ECM
12
ExodusPoint Capital Management
New York
$3.79M +$3.85M +453,898 New
Geode Capital Management
13
Geode Capital Management
Massachusetts
$2.44M +$612K +72,115 +33%
State Street
14
State Street
Massachusetts
$2.41M +$236K +27,848 +11%
OM
15
Opaleye Management
Massachusetts
$2.18M +$1.68M +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 +$1.46M +172,200 New
SB
19
Samsara BioCapital
California
$1.29M
Northern Trust
20
Northern Trust
Illinois
$1.13M +$127K +15,009 +12%
GCP
21
GSA Capital Partners
United Kingdom
$1.11M +$224K +26,358 +25%
Hudson Bay Capital Management
22
Hudson Bay Capital Management
Connecticut
$1.04M +$1.05M +124,260 New
BC
23
Bruce & Co
Illinois
$1M +$551K +65,000 +118%
Charles Schwab
24
Charles Schwab
California
$833K +$21K +2,472 +3%
Renaissance Technologies
25
Renaissance Technologies
New York
$759K -$722K -85,100 -48%

IGMS Hedge Fund Activity: Q3 2023 in Review

79 of the 6,301 institutional investors tracked by Wall St. Rank reported a position in IGM Biosciences (IGMS) for Q3 2023, worth a combined $186M — down 10% from $208M a quarter earlier.

Buyers outnumbered sellers: 15 funds opened new IGMS positions and 14 closed out — a net gain of 1 holder — while 27 added to existing stakes and 21 trimmed.

The largest buyer was ExodusPoint Capital Management, opening a new position worth an estimated $3.85M. The largest seller was UBS AM, cutting an estimated $4.02M.

  • 79 institutional investors held IGM Biosciences (IGMS) as of Q3 2023, unchanged from Q2 2023.
  • Funds reported $186M of IGM Biosciences stock for Q3 2023, down 10% quarter-over-quarter.
  • 15 funds opened new IGM Biosciences positions in Q3 2023 and 14 closed out, a net change of +1 holder.
  • The largest IGM Biosciences buyer in Q3 2023 was ExodusPoint Capital Management, an estimated $3.85M added.
  • The largest IGM Biosciences seller in Q3 2023 was UBS AM, an estimated $4.02M sold.

Based on aggregated 13F filings for Q3 2023.