Jim Simons
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Jim Simons’s Gossamer Bio GOSS Stock Holding History

Jim Simons’s Portfolio GOSS Stock Details GOSS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.91M Buy
145,374
+130,151
+855% +$2.91M ﹤0.01% 1973
2026
Q1 		$400K Buy
15,223
+6,987
+85% +$879K ﹤0.01% 2692
2025
Q4 		$2.04M Sell
8,236
-29,016
-78% -$6.62M ﹤0.01% 1848
2025
Q3 		$7.84M Buy
37,252
+3,098
+9% +$546K 0.01% 1210
2025
Q2 		$3.36M Buy
34,154
+14,540
+74% +$1.27M ﹤0.01% 1774
2025
Q1 		$1.73M Sell
19,614
-1,792
-8% -$166K ﹤0.01% 2101
2024
Q4 		$1.55M Sell
21,406
-404
-2% -$27.7K ﹤0.01% 2215
2024
Q3 		$1.72M Sell
21,810
-3,773
-15% -$290K ﹤0.01% 2122
2024
Q2 		$1.84M Buy
25,583
+17,188
+205% +$1.03M ﹤0.01% 1926
2024
Q1 		$792K Sell
8,395
-4,068
-33% -$358K ﹤0.01% 2633
2023
Q4 		$910K Buy
+12,463
New +$737K ﹤0.01% 2469
2022
Q4 		– Sell
-448
Closed -$429K – 4219
2022
Q3 		$429K Sell
448
-413
-48% -$410K ﹤0.01% 3017
2022
Q2 		$577K Sell
861
-790
-48% -$490K ﹤0.01% 3074
2022
Q1 		$1.15M Buy
1,651
+1,105
+202% +$853K ﹤0.01% 2647
2021
Q4 		$494K Buy
+546
New +$519K ﹤0.01% 3080
2021
Q2 		– Sell
-1,875
Closed -$1.39M – 3577
2021
Q1 		$1.39M Sell
1,875
-410
-18% -$331K ﹤0.01% 2442
2020
Q4 		$1.77M Sell
2,285
-1,910
-46% -$1.51M ﹤0.01% 2196
2020
Q3 		$4.16M Sell
4,195
-350
-8% -$371K ﹤0.01% 1674
2020
Q2 		$4.73M Buy
4,545
+3,327
+273% +$3.35M ﹤0.01% 1676
2020
Q1 		$989K Buy
+1,218
New +$1.27M ﹤0.01% 2431

Other funds holding GOSS

D.E. Shaw & Co
D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return
6CM
683 Capital Management New York $2.04B AUM 94.26% 1-Year Est. Return
DeepCurrents Investment Group
DeepCurrents Investment Group New York $3.3B AUM 12.57% 1-Year Est. Return
Context Capital Management
Context Capital Management Lajolla, California $5.15B AUM 1.28% 1-Year Est. Return
Worth Venture Partners
Worth Venture Partners Fort Lee, New Jersey $44.3M AUM 34.55% 1-Year Est. Return
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
GSA Capital Partners
GSA Capital Partners London, United Kingdom $1.59B AUM 39.8% 1-Year Est. Return
Wolverine Asset Management
Wolverine Asset Management Chicago, Illinois $11.4B AUM 5.65% 1-Year Est. Return
KCM
Kalehua Capital Management Dallas, Texas $174M AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Jim Simons's GOSS Position: Q2 2026 in Review

Jim Simons increased its Gossamer Bio (GOSS) stake by 855% in Q2 2026, buying an estimated $2.91M and bringing the position to 145,374 shares worth $1.91M. The position accounts for ﹤0.01% of the portfolio, ranked #1973.

Jim Simons first reported a position in GOSS in Q1 2020 and has held it in 20 quarters since. The position peaked at $7.84M in Q3 2025. 166 funds tracked by Wall St. Rank hold GOSS as of Q2 2026.

  • Jim Simons held 145,374 shares of Gossamer Bio worth $1.91M as of Q2 2026.
  • Jim Simons bought 130,151 Gossamer Bio shares in Q2 2026, an estimated $2.91M.
  • Gossamer Bio made up ﹤0.01% of Jim Simons's portfolio in Q2 2026, its #1973 holding.
  • Jim Simons first reported a position in Gossamer Bio in Q1 2020 and has held it in 20 quarters since.
  • Jim Simons's Gossamer Bio position peaked at $7.84M in Q3 2025.
  • 166 funds tracked by Wall St. Rank held Gossamer Bio as of Q2 2026.

Based on Renaissance Technologies's 13F filing for Q2 2026, filed 13 Aug 2026.