We are live on ! Find out more
IGMS

IGM Biosciences
IGMS

Delisted

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

Back to rankings

107 hedge funds and large institutions have $1.11B invested in IGM Biosciences in 2021 Q3 according to their latest regulatory filings, with 17 funds opening new positions, 35 increasing their positions, 32 reducing their positions, and 13 closing their positions.

New
Increased
Maintained
Reduced
Closed

543% more call options, than puts

Call options by funds: $18.7M | Put options by funds: $2.91M

31% more first-time investments, than exits

New positions opened: 17 | Existing positions closed: 13

3% more funds holding

Funds holding: 104 → 107 (+3)

2.11% more ownership

Funds ownership: 63.83% → 65.94% (+2.1%)

9% more repeat investments, than reductions

Existing positions increased: 35 | Existing positions reduced: 32

0% more funds holding in top 10

Funds holding in top 10: 2 → 2 (0)

19% less capital invested

Capital invested by funds: $1.36B → $1.11B (-$251M)

Holders
107
Holders Change
+3
Holders Change %
+2.88%
% of All Funds
1.87%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.04%
New
17
Increased
35
Reduced
32
Closed
13
Calls
$18.7M
Puts
$2.91M
Net Calls
+$15.8M
Net Calls Change
+$14.1M

Top Buyers

Rank Fund Capital Flow
1
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
+$28.4M
2
AG
Artal Group
Luxembourg
+$19.1M
3
CAM
Cormorant Asset Management
Massachusetts
+$7.65M
4
State Street
State Street
Massachusetts
+$5.29M
5
PCH
Polar Capital Holdings
United Kingdom
+$5.05M

Top Sellers

Rank Fund Capital Flow
1
WP
Woodline Partners
California
-$13.5M
2
HA
HHLR Advisors
Cayman Islands
-$12.6M
3
CS
Candriam SCA
Luxembourg
-$10.2M
4
Alkeon Capital Management
Alkeon Capital Management
New York
-$7.85M
5
Northern Trust
Northern Trust
Illinois
-$1.66M
Name Holding Trade Value Shares
Change 		Change in
Stake
EBA
26
Eagle Bay Advisors
New York
$2.32M +$35.2K +460 +1%
Russell Investments Group
27
Russell Investments Group
United Kingdom
$2.29M +$66.9K +874 +3%
UBS Group
28
UBS Group
Switzerland
$2.28M +$2.35M +30,739 +768%
Norges Bank
29
Norges Bank
Norway
$2.27M +$270K +3,530 +11%
Victory Capital Management
30
Victory Capital Management
Texas
$2.25M -$258K -3,369 -9%
Susquehanna International Group
31
Susquehanna International Group
Pennsylvania
$2.17M +$1.85M +24,161 +274%
N
32
Nuveen
North Carolina
$2.04M -$662K -8,651 -22%
Bank of New York Mellon
33
Bank of New York Mellon
New York
$1.94M -$10.6K -138 -0.5%
Rafferty Asset Management
34
Rafferty Asset Management
New York
$1.9M +$250K +3,262 +13%
Royal Bank of Canada
35
Royal Bank of Canada
Ontario, Canada
$1.89M +$9.41K +123 +0.4%
MAP
36
Moody Aldrich Partners
Massachusetts
$1.51M -$923K -12,060 -34%
Jane Street
37
Jane Street
New York
$1.43M +$1.66M +21,708 New
RJA
38
Raymond James & Associates
Florida
$1.35M +$2.98K +39 +0.2%
Citigroup
39
Citigroup
New York
$1.34M -$1.55M -20,267 -50%
Swiss National Bank
40
Swiss National Bank
Switzerland
$1.12M +$30.6K +400 +2%
D.E. Shaw & Co
41
D.E. Shaw & Co
New York
$1.03M -$893K -11,675 -43%
VIA
42
Vident Investment Advisory
Georgia
$1.03M -$85.2K -1,114 -7%
Millennium Management
43
Millennium Management
New York
$1.02M +$1.19M +15,514 New
HS
44
HighVista Strategies
Massachusetts
$1.02M +$380K +4,965 +47%
AllianceBernstein
45
AllianceBernstein
Tennessee
$986K -$38.3K -500 -3%
Allianz Asset Management
46
Allianz Asset Management
Germany
$942K +$191K +2,500 +21%
California State Teachers Retirement System (CalSTRS)
47
California State Teachers Retirement System (CalSTRS)
California
$706K -$29.2K -381 -3%
State of Wisconsin Investment Board
48
State of Wisconsin Investment Board
Wisconsin
$664K – – –
Two Sigma Investments
49
Two Sigma Investments
New York
$621K +$340K +4,444 +89%
Wells Fargo
50
Wells Fargo
California
$533K -$936K -12,235 -60%
1
2
3 4 5

IGMS Hedge Fund Activity: Q3 2021 in Review

107 of the 5,712 institutional investors tracked by Wall St. Rank reported a position in IGM Biosciences (IGMS) for Q3 2021, worth a combined $1.11B — down 19% from $1.36B a quarter earlier.

Buyers outnumbered sellers: 17 funds opened new IGMS positions and 13 closed out — a net gain of 4 holders — while 35 added to existing stakes and 32 trimmed.

The largest buyer was T. Rowe Price Associates, adding an estimated $28.4M. The largest seller was Woodline Partners, cutting an estimated $13.5M.

  • 107 institutional investors held IGM Biosciences (IGMS) as of Q3 2021, up from 104 in Q2 2021.
  • Funds reported $1.11B of IGM Biosciences stock for Q3 2021, down 19% quarter-over-quarter.
  • 17 funds opened new IGM Biosciences positions in Q3 2021 and 13 closed out, a net change of +4 holders.
  • The largest IGM Biosciences buyer in Q3 2021 was T. Rowe Price Associates, an estimated $28.4M added.
  • The largest IGM Biosciences seller in Q3 2021 was Woodline Partners, an estimated $13.5M sold.

Based on aggregated 13F filings for Q3 2021.