Jane Street’s Gossamer Bio GOSS Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$22.2K Sell
1,688
-256
-13% -$5.72K ﹤0.01% 11181
2026
Q1
$51.1K Sell
1,944
-2,682
-58% -$337K ﹤0.01% 10965
2025
Q4
$1.15M Buy
4,626
+165
+4% +$37.7K ﹤0.01% 5846
2025
Q3
$939K Buy
4,461
+3,817
+593% +$673K ﹤0.01% 6436
2025
Q2
$63.3K Buy
+644
New +$56.2K ﹤0.01% 9112
2024
Q1
Sell
-386
Closed -$28.2K 9527
2023
Q4
$28.2K Hold
386
﹤0.01% 8869
2023
Q3
$25.7K Sell
386
-382
-50% -$35.2K ﹤0.01% 8273
2023
Q2
$73.7K Sell
768
-101
-12% -$10.1K ﹤0.01% 8113
2023
Q1
$87.6K Buy
869
+469
+117% +$71.8K ﹤0.01% 8285
2022
Q4
$69.4K Sell
400
-176
-31% -$116K ﹤0.01% 8253
2022
Q3
$552K Buy
+576
New +$572K ﹤0.01% 6513
2020
Q3
Sell
-578
Closed -$601K 7424
2020
Q2
$601K Buy
+578
New +$582K ﹤0.01% 4791

Other funds holding GOSS

Jane Street's GOSS Position: Q1 2026 in Review

Jane Street sold out of Gossamer Bio (GOSS) in Q1 2026, closing a stake of 1,945 shares — an estimated $245K sold.

Jane Street first reported a position in GOSS in Q3 2020 and held it in 19 quarters. The position peaked at $1.85M in Q3 2025. 181 funds tracked by Wall St. Rank hold GOSS as of Q1 2026.

  • Jane Street reported no remaining Gossamer Bio position as of Q1 2026 after selling out during the quarter.
  • Jane Street sold 1,945 Gossamer Bio shares in Q1 2026, an estimated $245K.
  • Jane Street first reported a position in Gossamer Bio in Q3 2020 and held it in 19 quarters.
  • Jane Street's Gossamer Bio position peaked at $1.85M in Q3 2025.
  • 181 funds tracked by Wall St. Rank held Gossamer Bio as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.