JY
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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 		$5.76K Sell
36,000
-201,100
-85% -$56.1K ﹤0.01% 13183
2026
Q1 		$78.2K Sell
237,100
-40,300
-15% -$63.3K ﹤0.01% 12468
2025
Q4 		$860K Buy
277,400
+249,200
+884% +$711K ﹤0.01% 7528
2025
Q3 		$74.2K Buy
+28,200
New +$62.2K ﹤0.01% 11717
2025
Q1 		– Sell
-464,600
Closed -$418K – 12845
2024
Q4 		$418K Sell
464,600
-2,300
-0.5% -$1.97K ﹤0.01% 9115
2024
Q3 		$462K Sell
466,900
-18,000
-4% -$17.3K ﹤0.01% 8646
2024
Q2 		$436K Buy
484,900
+2,600
+0.5% +$1.95K ﹤0.01% 8599
2024
Q1 		$569K Sell
482,300
-160,200
-25% -$176K ﹤0.01% 8209
2023
Q4 		$585K Buy
642,500
+290,100
+82% +$214K ﹤0.01% 8279
2023
Q3 		$292K Buy
352,400
+252,700
+253% +$291K ﹤0.01% 9400
2023
Q2 		$120K Buy
99,700
+62,800
+170% +$78.2K ﹤0.01% 10800
2023
Q1 		$46.5K Sell
36,900
-59,700
-62% -$114K ﹤0.01% 11722
2022
Q4 		$210K Sell
96,600
-47,800
-33% -$394K ﹤0.01% 10017
2022
Q3 		$1.73M Buy
144,400
+127,000
+730% +$1.58M ﹤0.01% 5237
2022
Q2 		$146K Sell
17,400
-80,000
-82% -$620K ﹤0.01% 11055
2022
Q1 		$845K Buy
+97,400
New +$939K ﹤0.01% 7574
2021
Q3 		– Sell
-111,900
Closed -$909K – 13025
2021
Q2 		$909K Sell
111,900
-29,000
-21% -$251K ﹤0.01% 8028
2021
Q1 		$1.3M Buy
140,900
+35,300
+33% +$356K ﹤0.01% 7024
2020
Q4 		$1.02M Sell
105,600
-42,300
-29% -$417K ﹤0.01% 6682
2020
Q3 		$1.83M Buy
147,900
+131,500
+802% +$1.74M ﹤0.01% 4781
2020
Q2 		$213K Sell
16,400
-49,900
-75% -$628K ﹤0.01% 8927
2020
Q1 		$673K Buy
66,300
+46,800
+240% +$611K ﹤0.01% 6287
2019
Q4 		$305K Sell
19,500
-98,600
-83% -$1.99M ﹤0.01% 7977
2019
Q3 		$1.98M Buy
+118,100
New +$2.35M ﹤0.01% 4214

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
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
KCM
Kalehua Capital Management Dallas, Texas $174M AUM

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 383,049 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. 170 funds tracked by Wall St. Rank hold GOSS as of Q2 2026.

  • Jeff Yass held 383,049 shares of Gossamer Bio worth $63K as of Q2 2026.
  • Jeff Yass bought 247,276 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.
  • 170 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.