John Overdeck
GOSS icon

John Overdeck’s Gossamer Bio GOSS Stock Holding History

John Overdeck’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 		$1.22M Buy
92,900
+33,139
+55% +$740K ﹤0.01% 3454
2026
Q1 		$1.57M Buy
59,761
+17,297
+41% +$2.17M ﹤0.01% 2944
2025
Q4 		$10.5M Buy
42,464
+13,873
+49% +$3.17M 0.01% 1085
2025
Q3 		$6.02M Buy
28,591
+6,777
+31% +$1.2M 0.01% 1312
2025
Q2 		$2.15M Buy
21,814
+5,871
+37% +$512K ﹤0.01% 1791
2025
Q1 		$1.4M Buy
15,943
+4,802
+43% +$444K ﹤0.01% 1971
2024
Q4 		$806K Buy
11,141
+3,254
+41% +$223K ﹤0.01% 2308
2024
Q3 		$622K Buy
7,887
+4,012
+104% +$309K ﹤0.01% 2357
2024
Q2 		$279K Sell
3,875
-6,235
-62% -$373K ﹤0.01% 2627
2024
Q1 		$954K Sell
10,110
-2,668
-21% -$235K ﹤0.01% 1985
2023
Q4 		$933K Buy
12,778
+6,077
+91% +$359K ﹤0.01% 2122
2023
Q3 		$446K Sell
6,701
-12,916
-66% -$1.19M ﹤0.01% 2324
2023
Q2 		$1.88M Sell
19,617
-3,824
-16% -$381K ﹤0.01% 1473
2023
Q1 		$2.36M Buy
23,441
+5,152
+28% +$789K 0.01% 1279
2022
Q4 		$3.17M Buy
18,289
+6,717
+58% +$4.42M 0.01% 1084
2022
Q3 		$11.1M Buy
11,572
+8,502
+277% +$8.44M 0.04% 461
2022
Q2 		$2.06M Sell
3,070
-2,543
-45% -$1.58M 0.01% 1190
2022
Q1 		$3.9M Buy
5,613
+1,460
+35% +$1.13M 0.01% 1033
2021
Q4 		$3.76M Buy
4,153
+1,786
+75% +$1.7M 0.01% 1387
2021
Q3 		$2.38M Sell
2,367
-3,609
-60% -$2.66M 0.01% 1826
2021
Q2 		$3.88M Sell
5,976
-2,750
-32% -$1.91M 0.01% 1349
2021
Q1 		$6.46M Buy
8,726
+6,615
+313% +$5.34M 0.02% 913
2020
Q4 		$1.63M Sell
2,111
-2,359
-53% -$1.86M ﹤0.01% 1624
2020
Q3 		$4.44M Buy
4,470
+807
+22% +$856K 0.02% 855
2020
Q2 		$3.81M Buy
3,663
+3,320
+968% +$3.34M 0.02% 772
2020
Q1 		$279K Buy
+343
New +$358K ﹤0.01% 2374

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 $3.3B AUM 12.57% 1-Year Est. Return
Context Capital Management
Context Capital Management Lajolla, California $5.15B AUM 1.28% 1-Year Est. Return
Worth Venture Partners
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
GSA Capital Partners
GSA Capital Partners London, United Kingdom $1.59B AUM 39.81% 1-Year Est. Return
Wolverine Asset Management
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

John Overdeck's GOSS Position: Q2 2026 in Review

John Overdeck increased its Gossamer Bio (GOSS) stake by 55% in Q2 2026, buying an estimated $740K and bringing the position to 92,900 shares worth $1.22M. The position accounts for ﹤0.01% of the portfolio, ranked #3454.

John Overdeck first reported a position in GOSS in Q1 2020 and has held it in 26 quarters since. The position peaked at $11.1M in Q3 2022. 166 funds tracked by Wall St. Rank hold GOSS as of Q2 2026.

  • John Overdeck held 92,900 shares of Gossamer Bio worth $1.22M as of Q2 2026.
  • John Overdeck bought 33,139 Gossamer Bio shares in Q2 2026, an estimated $740K.
  • Gossamer Bio made up ﹤0.01% of John Overdeck's portfolio in Q2 2026, its #3454 holding.
  • John Overdeck first reported a position in Gossamer Bio in Q1 2020 and has held it in 26 quarters since.
  • John Overdeck's Gossamer Bio position peaked at $11.1M in Q3 2022.
  • 166 funds tracked by Wall St. Rank held Gossamer Bio as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.