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IGMS

IGM Biosciences
IGMS

Delisted

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

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50 hedge funds and large institutions have $463M invested in IGM Biosciences in 2019 Q4 according to their latest regulatory filings, with 33 funds opening new positions, 6 increasing their positions, 4 reducing their positions, and 10 closing their positions.

New
Increased
Maintained
Reduced
Closed

230% more first-time investments, than exits

New positions opened: 33 | Existing positions closed: 10

160% more capital invested

Capital invested by funds: $178M → $463M (+$285M)

52% more funds holding

Funds holding: 33 → 50 (+17)

50% more repeat investments, than reductions

Existing positions increased: 6 | Existing positions reduced: 4

8.95% more ownership

Funds ownership: 41.64% → 50.59% (+8.9%)

Holders
50
Holders Change
+17
Holders Change %
+51.52%
% of All Funds
0.98%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
% of All Funds
0.02%
New
33
Increased
6
Reduced
4
Closed
10
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Janus Henderson Group
Janus Henderson Group
+$25.1M
2
RCM
RA Capital Management
Massachusetts
+$13M
3
Vanguard Group
Vanguard Group
Pennsylvania
+$12.1M
4
BlackRock
BlackRock
New York
+$6.17M
5
Geode Capital Management
Geode Capital Management
Massachusetts
+$3.08M

Top Sellers

Rank Fund Capital Flow
1
Millennium Management
Millennium Management
New York
-$4.5M
2
DM
Deerfield Management
New York
-$4.44M
3
OAM
Oxford Asset Management
United Kingdom
-$1.33M
4
AG
Artal Group
Luxembourg
-$1.26M
5
MIM
Monashee Investment Management
Massachusetts
-$1.17M

IGMS Hedge Fund Activity: Q4 2019 in Review

50 of the 5,092 institutional investors tracked by Wall St. Rank reported a position in IGM Biosciences (IGMS) for Q4 2019, worth a combined $463M — up 160% from $178M a quarter earlier.

Buyers outnumbered sellers: 33 funds opened new IGMS positions and 10 closed out — a net gain of 23 holders — while 6 added to existing stakes and 4 trimmed.

The largest buyer was Janus Henderson Group, adding an estimated $25.1M. The largest seller was Millennium Management, exiting entirely with an estimated $4.5M sold.

  • 50 institutional investors held IGM Biosciences (IGMS) as of Q4 2019, up from 33 in Q3 2019.
  • Funds reported $463M of IGM Biosciences stock for Q4 2019, up 160% quarter-over-quarter.
  • 33 funds opened new IGM Biosciences positions in Q4 2019 and 10 closed out, a net change of +23 holders.
  • The largest IGM Biosciences buyer in Q4 2019 was Janus Henderson Group, an estimated $25.1M added.
  • The largest IGM Biosciences seller in Q4 2019 was Millennium Management, an estimated $4.5M sold.

Based on aggregated 13F filings for Q4 2019.