Two Sigma Advisers
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Two Sigma Advisers’s Gossamer Bio GOSS Stock Holding History

Two Sigma Advisers’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
Q1 		– Sell
-32,461
Closed -$8.05M – 896
2025
Q4 		$8.05M Buy
32,461
+9,085
+39% +$2.07M 0.02% 618
2025
Q3 		$4.92M Buy
23,376
+2,473
+12% +$436K 0.01% 754
2025
Q2 		$2.06M Buy
20,903
+4,813
+30% +$420K ﹤0.01% 1108
2025
Q1 		$1.42M Buy
16,090
+1,621
+11% +$150K ﹤0.01% 1295
2024
Q4 		$1.05M Buy
14,469
+4,469
+45% +$306K ﹤0.01% 1438
2024
Q3 		$789K Sell
10,000
-299
-3% -$23K ﹤0.01% 1515
2024
Q2 		$742K Sell
10,299
-4,210
-29% -$252K ﹤0.01% 1708
2024
Q1 		$1.37M Buy
14,509
+749
+5% +$66K ﹤0.01% 1417
2023
Q4 		$1M Buy
13,760
+592
+4% +$35K ﹤0.01% 1648
2023
Q3 		$877K Sell
13,168
-8,118
-38% -$748K ﹤0.01% 1578
2023
Q2 		$2.04M Sell
21,286
-1,719
-7% -$171K 0.01% 1191
2023
Q1 		$2.32M Buy
23,005
+196
+0.9% +$30K 0.01% 1198
2022
Q4 		$3.96M Buy
22,809
+11,963
+110% +$7.88M 0.01% 875
2022
Q3 		$10.4M Buy
10,846
+7,032
+184% +$6.98M 0.03% 492
2022
Q2 		$2.55M Buy
3,814
+91
+2% +$56.4K 0.01% 1087
2022
Q1 		$2.58M Buy
3,723
+408
+12% +$315K 0.01% 1107
2021
Q4 		$3M Buy
3,315
+770
+30% +$732K 0.01% 995
2021
Q3 		$2.56M Sell
2,545
-1,939
-43% -$1.43M 0.01% 1118
2021
Q2 		$2.91M Sell
4,484
-1,644
-27% -$1.14M 0.01% 1117
2021
Q1 		$4.53M Buy
6,128
+3,618
+144% +$2.92M 0.01% 888
2020
Q4 		$1.94M Buy
2,510
+626
+33% +$493K 0.01% 1278
2020
Q3 		$1.87M Buy
1,884
+1,213
+181% +$1.29M 0.01% 1195
2020
Q2 		$698K Buy
+671
New +$675K ﹤0.01% 1746

Other funds holding GOSS

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
KCM
Kalehua Capital Management Dallas, Texas $174M AUM
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Arch Venture Management
Arch Venture Management Chicago, Illinois $1.1B AUM 356.62% 1-Year Est. Return
Octagon Capital Advisors
Octagon Capital Advisors New York $1.11B AUM 866.76% 1-Year Est. Return
Samsara BioCapital
Samsara BioCapital Palo Alto, California $1.22B AUM 242.83% 1-Year Est. Return
Balyasny Asset Management
Balyasny Asset Management Chicago, Illinois $80.2B AUM 51.53% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
SL
Siren LLC Greenwich, Connecticut $4.94B AUM 244.43% 1-Year Est. Return

Two Sigma Advisers's GOSS Position: Q1 2026 in Review

Two Sigma Advisers sold out of Gossamer Bio (GOSS) in Q1 2026, closing a stake of 32,461 shares — an estimated $8.05M sold.

Two Sigma Advisers first reported a position in GOSS in Q2 2020 and held it in 23 quarters. The position peaked at $10.4M in Q3 2022. 181 funds tracked by Wall St. Rank hold GOSS as of Q1 2026.

  • Two Sigma Advisers reported no remaining Gossamer Bio position as of Q1 2026 after selling out during the quarter.
  • Two Sigma Advisers sold 32,461 Gossamer Bio shares in Q1 2026, an estimated $8.05M.
  • Two Sigma Advisers first reported a position in Gossamer Bio in Q2 2020 and held it in 23 quarters.
  • Two Sigma Advisers's Gossamer Bio position peaked at $10.4M in Q3 2022.
  • 181 funds tracked by Wall St. Rank held Gossamer Bio as of Q1 2026.

Based on Two Sigma Advisers's 13F filing for Q1 2026.