Renaissance Technologies’s IGM Biosciences IGMS Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2025
Q3
Sell
-117,734
Closed -$132K 3680
2025
Q2
$132K Buy
117,734
+82,434
+234% +$101K ﹤0.01% 3254
2025
Q1
$40.6K Sell
35,300
-40,500
-53% -$75.3K ﹤0.01% 3308
2024
Q4
$463K Buy
75,800
+9,300
+14% +$110K ﹤0.01% 2873
2024
Q3
$1.1M Sell
66,500
-42,193
-39% -$462K ﹤0.01% 2382
2024
Q2
$747K Buy
108,693
+60,593
+126% +$518K ﹤0.01% 2486
2024
Q1
$464K Buy
48,100
+11,500
+31% +$133K ﹤0.01% 2894
2023
Q4
$304K Sell
36,600
-54,300
-60% -$315K ﹤0.01% 2981
2023
Q3
$759K Sell
90,900
-85,100
-48% -$722K ﹤0.01% 2481
2023
Q2
$1.62M Buy
176,000
+133,300
+312% +$1.49M ﹤0.01% 2134
2023
Q1
$587K Sell
42,700
-50,100
-54% -$1.04M ﹤0.01% 2795
2022
Q4
$1.58M Buy
92,800
+80,200
+637% +$1.6M ﹤0.01% 2226
2022
Q3
$287K Sell
12,600
-22,800
-64% -$460K ﹤0.01% 3230
2022
Q2
$638K Sell
35,400
-28,800
-45% -$513K ﹤0.01% 3001
2022
Q1
$1.72M Buy
64,200
+51,700
+414% +$963K ﹤0.01% 2347
2021
Q4
$367K Buy
+12,500
New +$621K ﹤0.01% 3247
2020
Q4
Sell
-20,900
Closed -$1.54M 3530
2020
Q3
$1.54M Buy
20,900
+11,400
+120% +$675K ﹤0.01% 2273
2020
Q2
$694K Buy
+9,500
New +$577K ﹤0.01% 2731

Other funds holding IGMS

Renaissance Technologies's IGMS Position: Q3 2025 in Review

Renaissance Technologies sold out of IGM Biosciences (IGMS) in Q3 2025, closing a stake of 117,734 shares — an estimated $132K sold.

Renaissance Technologies first reported a position in IGMS in Q2 2020 and held it in 17 quarters. The position peaked at $1.72M in Q1 2022. 1 fund tracked by Wall St. Rank holds IGMS as of Q3 2025.

  • Renaissance Technologies reported no remaining IGM Biosciences position as of Q3 2025 after selling out during the quarter.
  • Renaissance Technologies sold 117,734 IGM Biosciences shares in Q3 2025, an estimated $132K.
  • Renaissance Technologies first reported a position in IGM Biosciences in Q2 2020 and held it in 17 quarters.
  • Renaissance Technologies's IGM Biosciences position peaked at $1.72M in Q1 2022.
  • 1 fund tracked by Wall St. Rank held IGM Biosciences as of Q3 2025.

Based on Renaissance Technologies's 13F filing for Q3 2025, filed 13 Nov 2025.