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IGMS

IGM Biosciences
IGMS

Delisted

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

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62 hedge funds and large institutions have $742M invested in IGM Biosciences in 2020 Q1 according to their latest regulatory filings, with 21 funds opening new positions, 16 increasing their positions, 17 reducing their positions, and 9 closing their positions.

New
Increased
Maintained
Reduced
Closed

200% more funds holding in top 10

Funds holding in top 10: 1 → 3 (+2)

133% more first-time investments, than exits

New positions opened: 21 | Existing positions closed: 9

60% more capital invested

Capital invested by funds: $463M → $742M (+$279M)

24% more funds holding

Funds holding: 50 → 62 (+12)

4.42% more ownership

Funds ownership: 50.59% → 55% (+4.4%)

6% less repeat investments, than reductions

Existing positions increased: 16 | Existing positions reduced: 17

Holders
62
Holders Change
+12
Holders Change %
+24%
% of All Funds
1.37%
Holding in Top 10
3
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+200%
% of All Funds
0.07%
New
21
Increased
16
Reduced
17
Closed
9
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Alkeon Capital Management
Alkeon Capital Management
New York
+$21.2M
2
CAM
Cormorant Asset Management
Massachusetts
+$11.8M
3
VC
Vivo Capital
California
+$8.75M
4
PHS
PFM Health Sciences
California
+$7.15M
5
BlackRock
BlackRock
New York
+$4.98M

Top Sellers

Rank Fund Capital Flow
1
AG
Artal Group
Luxembourg
-$5.72M
2
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$4.35M
3
EC
EcoR1 Capital
California
-$3.82M
4
EP
Eversept Partners
New York
-$2.4M
5
Janus Henderson Group
Janus Henderson Group
United Kingdom
-$1.97M
Name Holding Trade Value Shares
Change 		Change in
Stake
Norges Bank
26
Norges Bank
Norway
$1.18M +$533K +12,165 +137%
Citadel Advisors
27
Citadel Advisors
Florida
$1.18M +$315K +7,192 +52%
N
28
Nuveen
North Carolina
$1.08M +$499K +11,378 +146%
Bank of New York Mellon
29
Bank of New York Mellon
New York
$1.05M +$135K +3,080 +20%
Wells Fargo
30
Wells Fargo
California
$906K +$593K +13,531 +518%
Fidelity Investments
31
Fidelity Investments
Massachusetts
$726K – – –
EP
32
Eversept Partners
New York
$549K -$2.4M -54,830 -85%
Millennium Management
33
Millennium Management
New York
$514K +$402K +9,162 New
Qube Research & Technologies (QRT)
34
Qube Research & Technologies (QRT)
United Kingdom
$490K +$382K +8,722 New
AllianceBernstein
35
AllianceBernstein
Tennessee
$466K +$364K +8,300 New
AR
36
Advisory Research
Illinois
$452K +$353K +8,046 New
State of Wisconsin Investment Board
37
State of Wisconsin Investment Board
Wisconsin
$432K +$337K +7,700 New
California State Teachers Retirement System (CalSTRS)
38
California State Teachers Retirement System (CalSTRS)
California
$423K -$1.62K -37 -0.5%
SIM
39
Spark Investment Management
New York
$393K +$307K +7,000 New
RhumbLine Advisers
40
RhumbLine Advisers
Massachusetts
$277K +$216K +4,930 New
TC
41
Telemus Capital
Michigan
$259K +$175K +4,000 New
New York State Common Retirement Fund
42
New York State Common Retirement Fund
New York
$253K – – –
EIM
43
Essex Investment Management
Massachusetts
$237K -$34.4K -785 -16%
Morgan Stanley
44
Morgan Stanley
New York
$223K -$167K -3,812 -49%
Manulife (Manufacturers Life Insurance)
45
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$212K +$165K +3,774 New
UBS Group
46
UBS Group
Switzerland
$169K -$182K -4,157 -58%
AIG
47
American International Group
New York
$165K -$7.5K -171 -6%
Bank of America
48
Bank of America
North Carolina
$142K +$77K +1,756 +226%
MIM
49
MetLife Investment Management
New Jersey
$137K +$107K +2,437 New
Victory Capital Management
50
Victory Capital Management
Texas
$136K -$55K -1,255 -34%
1
2
3

IGMS Hedge Fund Activity: Q1 2020 in Review

62 of the 4,539 institutional investors tracked by Wall St. Rank reported a position in IGM Biosciences (IGMS) for Q1 2020, worth a combined $742M — up 60% from $463M a quarter earlier.

Buyers outnumbered sellers: 21 funds opened new IGMS positions and 9 closed out — a net gain of 12 holders — while 16 added to existing stakes and 17 trimmed.

The largest buyer was Alkeon Capital Management, opening a new position worth an estimated $21.2M. The largest seller was Artal Group, exiting entirely with an estimated $5.72M sold.

  • 62 institutional investors held IGM Biosciences (IGMS) as of Q1 2020, up from 50 in Q4 2019.
  • Funds reported $742M of IGM Biosciences stock for Q1 2020, up 60% quarter-over-quarter.
  • 21 funds opened new IGM Biosciences positions in Q1 2020 and 9 closed out, a net change of +12 holders.
  • The largest IGM Biosciences buyer in Q1 2020 was Alkeon Capital Management, an estimated $21.2M added.
  • The largest IGM Biosciences seller in Q1 2020 was Artal Group, an estimated $5.72M sold.

Based on aggregated 13F filings for Q1 2020.