IGM Biosciences, Inc. - Common Stock, par value $0.01 per share (IGMS)

Historical Holders from Q3 2019 to Q3 2025

Symbol
IGMS
CUSIP
449585108
Type / Class
Equity / Common Stock, par value $0.01 per share
Underlying class
Common Stock
Shares outstanding
34.7M
All holders as of June 30, 2025
Q2 2025
Total 13F shares, excl. options
16M
Holdings value
$17.9M
% of all portfolios
0%
Grand Portfolio weight change
0%
Number of holders
66
Number of buys
24
Number of sells
-53
Average Value change %
0%
Average buys %
+0%
Average sells %
0%
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of IGM Biosciences, Inc. - Common Stock, par value $0.01 per share (IGMS)

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
GLAZER CAPITAL, LLC 7.3% $3.02M 2.53M Glazer Capital, LLC Jul 2, 2025
PRICE T ROWE ASSOCIATES INC /MD/ 0.2% -93.6% $79.1K -$4.2M 65.9K -98.2% T. Rowe Price Associates, Inc. Jan 31, 2025

Institutional Holders of IGM Biosciences, Inc. - Common Stock, par value $0.01 per share (IGMS)

Period Reported Shares, Excl. Options Value, Excl. Options Change Price Investors
2025 Q3 0 $0 -$157K 0
2025 Q2 16M $17.9M -$2.1M $1.12 66
2025 Q1 17.8M $20.5M -$7.73M $1.15 78
2024 Q4 21.7M $132M -$11.6M $6.11 80
2024 Q3 21.6M $357M -$28.7M $16.54 72
2024 Q2 22.3M $153M -$7.2M $6.87 82
2024 Q1 22.5M $217M +$8.69M $9.65 67
2023 Q4 21.9M $182M -$5.23M $8.31 70
2023 Q3 22.3M $186M +$4.17M $8.35 76
2023 Q2 21.8M $201M +$35.2M $9.23 75
2023 Q1 17.7M $244M -$3.03M $13.74 71
2022 Q4 18M $306M +$821K $17.01 76
2022 Q3 16.8M $383M -$8.18M $22.74 84
2022 Q2 17.5M $315M -$21.9M $18.03 87
2022 Q1 17.4M $466M +$11.2M $26.73 88
2021 Q4 16.9M $496M +$6.4M $29.33 79
2021 Q3 16.9M $1.11B +$20M $65.76 103
2021 Q2 16.3M $1.36B -$126M $83.20 102
2021 Q1 18M $1.38B +$66.6M $76.69 108
2020 Q4 16M $1.41B +$177M $88.29 106
2020 Q3 14.5M $1.07B +$48.4M $73.81 89
2020 Q2 13.9M $1.01B +$45.6M $73.00 78
2020 Q1 13.3M $742M +$66.5M $56.15 60
2019 Q4 12.2M $463M +$92.4M $38.16 50
2019 Q3 10M $178M +$178M $17.75 33