Renaissance Technologies
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Renaissance Technologies’s Gossamer Bio GOSS Stock Holding History

Renaissance Technologies’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
11,629,896
+10,412,028
+855% +$2.91M ﹤0.01% 1973
2026
Q1 		$400K Buy
1,217,868
+558,980
+85% +$879K ﹤0.01% 2692
2025
Q4 		$2.04M Sell
658,888
-2,321,300
-78% -$6.62M ﹤0.01% 1848
2025
Q3 		$7.84M Buy
2,980,188
+247,894
+9% +$546K 0.01% 1210
2025
Q2 		$3.36M Buy
2,732,294
+1,163,139
+74% +$1.27M ﹤0.01% 1774
2025
Q1 		$1.73M Sell
1,569,155
-143,348
-8% -$166K ﹤0.01% 2101
2024
Q4 		$1.55M Sell
1,712,503
-32,302
-2% -$27.7K ﹤0.01% 2215
2024
Q3 		$1.72M Sell
1,744,805
-301,795
-15% -$290K ﹤0.01% 2122
2024
Q2 		$1.84M Buy
2,046,600
+1,375,000
+205% +$1.03M ﹤0.01% 1926
2024
Q1 		$792K Sell
671,600
-325,401
-33% -$358K ﹤0.01% 2633
2023
Q4 		$910K Buy
+997,001
New +$736K ﹤0.01% 2469
2022
Q4 		– Sell
-35,800
Closed -$429K – 4219
2022
Q3 		$429K Sell
35,800
-33,100
-48% -$411K ﹤0.01% 3017
2022
Q2 		$577K Sell
68,900
-63,200
-48% -$490K ﹤0.01% 3074
2022
Q1 		$1.15M Buy
132,100
+88,400
+202% +$853K ﹤0.01% 2647
2021
Q4 		$494K Buy
+43,700
New +$519K ﹤0.01% 3080
2021
Q2 		– Sell
-150,000
Closed -$1.39M – 3577
2021
Q1 		$1.39M Sell
150,000
-32,800
-18% -$331K ﹤0.01% 2442
2020
Q4 		$1.77M Sell
182,800
-152,800
-46% -$1.51M ﹤0.01% 2196
2020
Q3 		$4.17M Sell
335,600
-28,000
-8% -$371K ﹤0.01% 1674
2020
Q2 		$4.73M Buy
363,600
+266,138
+273% +$3.35M ﹤0.01% 1676
2020
Q1 		$989K Buy
+97,462
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
DIG
DeepCurrents Investment Group New York $3.3B AUM 12.57% 1-Year Est. Return
CCM
Context Capital Management Lajolla, California $5.15B AUM 1.28% 1-Year Est. Return
WVP
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
GCP
GSA Capital Partners London, United Kingdom $1.59B AUM 39.81% 1-Year Est. Return
WAM
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

Renaissance Technologies's GOSS Position: Q2 2026 in Review

Renaissance Technologies increased its Gossamer Bio (GOSS) stake by 855% in Q2 2026, buying an estimated $2.91M and bringing the position to 11,629,896 shares worth $1.91M. The position accounts for ﹤0.01% of the portfolio, ranked #1973.

Renaissance Technologies 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. 170 funds tracked by Wall St. Rank hold GOSS as of Q2 2026.

  • Renaissance Technologies held 11,629,896 shares of Gossamer Bio worth $1.91M as of Q2 2026.
  • Renaissance Technologies bought 10,412,028 Gossamer Bio shares in Q2 2026, an estimated $2.91M.
  • Gossamer Bio made up ﹤0.01% of Renaissance Technologies's portfolio in Q2 2026, its #1973 holding.
  • Renaissance Technologies first reported a position in Gossamer Bio in Q1 2020 and has held it in 20 quarters since.
  • Renaissance Technologies's Gossamer Bio position peaked at $7.84M in Q3 2025.
  • 170 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.