Jeff Yass
GOSS icon

Jeff Yass’s Gossamer Bio GOSS Stock Holding History

Jeff Yass’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 		$63K Buy
4,788
+3,091
+182% +$69K ﹤0.01% 12748
2026
Q1 		$44.6K Buy
1,697
+591
+53% +$74.3K ﹤0.01% 12665
2025
Q4 		$274K Buy
+1,106
New +$252K ﹤0.01% 10155
2025
Q3 		– Sell
-4,783
Closed -$843K – 12970
2025
Q2 		$471K Sell
4,783
-31,668
-87% -$2.76M ﹤0.01% 9316
2025
Q1 		$3.21M Buy
36,451
+29,228
+405% +$2.7M ﹤0.01% 4521
2024
Q4 		$523K Buy
7,223
+2,836
+65% +$194K ﹤0.01% 8554
2024
Q3 		$346K Buy
4,387
+217
+5% +$16.7K ﹤0.01% 9293
2024
Q2 		$301K Sell
4,170
-18,485
-82% -$1.11M ﹤0.01% 9442
2024
Q1 		$2.14M Buy
22,655
+16,407
+263% +$1.44M ﹤0.01% 5178
2023
Q4 		$456K Sell
6,248
-806
-11% -$47.6K ﹤0.01% 8900
2023
Q3 		$470K Sell
7,054
-2,321
-25% -$214K ﹤0.01% 8370
2023
Q2 		$900K Sell
9,375
-15,101
-62% -$1.5M ﹤0.01% 6934
2023
Q1 		$2.47M Buy
24,476
+21,107
+627% +$3.23M ﹤0.01% 4713
2022
Q4 		$585K Buy
3,369
+2,201
+188% +$1.45M ﹤0.01% 7438
2022
Q3 		$1.12M Buy
+1,168
New +$1.16M ﹤0.01% 6338
2022
Q2 		– Sell
-651
Closed -$404K – 13273
2022
Q1 		$452K Sell
651
-267
-29% -$206K ﹤0.01% 9229
2021
Q4 		$831K Buy
918
+428
+87% +$407K ﹤0.01% 7788
2021
Q3 		$493K Sell
490
-481
-50% -$354K ﹤0.01% 9435
2021
Q2 		$631K Buy
971
+131
+16% +$90.9K ﹤0.01% 8997
2021
Q1 		$621K Sell
840
-783
-48% -$632K ﹤0.01% 8969
2020
Q4 		$1.26M Buy
1,623
+88
+6% +$69.3K ﹤0.01% 6156
2020
Q3 		$1.52M Buy
+1,535
New +$1.63M ﹤0.01% 5147
2020
Q2 		– Sell
-1,202
Closed -$1.21M – 10403
2020
Q1 		$976K Buy
+1,202
New +$1.26M ﹤0.01% 5465
2019
Q4 		– Sell
-635
Closed -$1.02M – 10036
2019
Q3 		$853K Buy
+635
New +$1.01M ﹤0.01% 6046

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 $3.49B AUM 0.78% 1-Year Est. Return
Context Capital Management
Context Capital Management Lajolla, California $4.89B AUM 1.86% 1-Year Est. Return
Worth Venture Partners
Worth Venture Partners Fort Lee, New Jersey $38.9M AUM 12.3% 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 $14.9B AUM 3.61% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $73.4B AUM 32.8% 1-Year Est. Return
KCM
Kalehua Capital Management Dallas, Texas $132M AUM 92.09% 1-Year Est. Return

Jeff Yass's GOSS Position: Q2 2026 in Review

Jeff Yass increased its Gossamer Bio (GOSS) stake by 182% in Q2 2026, buying an estimated $69K and bringing the position to 4,788 shares worth $63K. The position accounts for ﹤0.01% of the portfolio, ranked #12748.

Jeff Yass first reported a position in GOSS in Q3 2019 and has held it in 24 quarters since. The position peaked at $3.21M in Q1 2025. 167 funds tracked by Wall St. Rank hold GOSS as of Q2 2026.

  • Jeff Yass held 4,788 shares of Gossamer Bio worth $63K as of Q2 2026.
  • Jeff Yass bought 3,091 Gossamer Bio shares in Q2 2026, an estimated $69K.
  • Gossamer Bio made up ﹤0.01% of Jeff Yass's portfolio in Q2 2026, its #12748 holding.
  • Jeff Yass first reported a position in Gossamer Bio in Q3 2019 and has held it in 24 quarters since.
  • Jeff Yass's Gossamer Bio position peaked at $3.21M in Q1 2025.
  • 167 funds tracked by Wall St. Rank held Gossamer Bio as of Q2 2026.

Based on Susquehanna International Group's 13F filing for Q2 2026, filed 14 Aug 2026.