Group One Trading
GOSS icon

Group One Trading’s Gossamer Bio GOSS Stock Holding History

Group One Trading’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 		$14.3K Buy
43,400
+31,500
+265% +$49.5K ﹤0.01% 6153
2025
Q4 		$36.9K Sell
11,900
-8,500
-42% -$24.3K ﹤0.01% 5849
2025
Q3 		$53.7K Buy
20,400
+6,800
+50% +$15K ﹤0.01% 5900
2025
Q2 		$16.7K Buy
13,600
+1,000
+8% +$1.09K ﹤0.01% 6388
2025
Q1 		$13.9K Buy
12,600
+2,200
+21% +$2.54K ﹤0.01% 6054
2024
Q4 		$9.41K Buy
10,400
+7,900
+316% +$6.77K ﹤0.01% 6126
2024
Q3 		$2.47K Sell
2,500
-15,300
-86% -$14.7K ﹤0.01% 6096
2024
Q2 		$16K Buy
17,800
+13,600
+324% +$10.2K ﹤0.01% 5366
2024
Q1 		$4.96K Sell
4,200
-167,400
-98% -$184K ﹤0.01% 6194
2023
Q4 		$157K Buy
171,600
+1,600
+0.9% +$1.18K ﹤0.01% 4080
2023
Q3 		$142K Buy
170,000
+168,000
+8,400% +$194K ﹤0.01% 4117
2023
Q2 		$2.4K Sell
2,000
-3,800
-66% -$4.73K ﹤0.01% 7028
2023
Q1 		$7.31K Sell
5,800
-68,800
-92% -$132K ﹤0.01% 6119
2022
Q4 		$162K Buy
74,600
+62,100
+497% +$511K ﹤0.01% 4032
2022
Q3 		$150K Buy
+12,500
New +$155K ﹤0.01% 4410
2021
Q4 		– Sell
-300
Closed -$4K – 8435
2021
Q3 		$4K Sell
300
-9,700
-97% -$89.3K ﹤0.01% 7807
2021
Q2 		$81K Buy
+10,000
New +$86.7K ﹤0.01% 6161
2021
Q1 		– Sell
-12,100
Closed -$117K – 7730
2020
Q4 		$117K Buy
+12,100
New +$119K ﹤0.01% 4449
2020
Q3 		– Sell
-400
Closed -$5K – 6260
2020
Q2 		$5K Sell
400
-114,900
-100% -$1.45M ﹤0.01% 5357
2020
Q1 		$1.17M Buy
115,300
+107,800
+1,437% +$1.41M 0.01% 1410
2019
Q4 		$117K Sell
7,500
-71,600
-91% -$1.44M ﹤0.01% 3542
2019
Q3 		$1.33M Buy
+79,100
New +$1.57M 0.01% 1513

Other funds holding GOSS

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
KCM
Kalehua Capital Management Dallas, Texas $141M AUM
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
AVM
Arch Venture Management Chicago, Illinois $677M AUM 322.07% 1-Year Est. Return
OCA
Octagon Capital Advisors New York $904M AUM 737.04% 1-Year Est. Return
SB
Samsara BioCapital Palo Alto, California $1.03B AUM 214.94% 1-Year Est. Return
Balyasny Asset Management
Balyasny Asset Management Chicago, Illinois $77.1B AUM 42.89% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
SL
Siren LLC Greenwich, Connecticut $3.61B AUM 203.3% 1-Year Est. Return

Group One Trading's GOSS Position: Q1 2026 in Review

Group One Trading opened a new position in Gossamer Bio (GOSS) in Q1 2026: 83,595 shares worth $27.5K. The stake represents ﹤0.01% of the portfolio and ranks #5741 among its holdings. This is a return to the name: Group One Trading previously reported a position in GOSS as recently as Q3 2025.

Group One Trading first reported a position in GOSS in Q1 2020 and has held it in 17 quarters since. The position peaked at $1.57M in Q3 2022. 184 funds tracked by Wall St. Rank hold GOSS as of Q1 2026.

  • Group One Trading held 83,595 shares of Gossamer Bio worth $27.5K as of Q1 2026.
  • Gossamer Bio was a new Group One Trading position in Q1 2026.
  • Gossamer Bio made up ﹤0.01% of Group One Trading's portfolio in Q1 2026, its #5741 holding.
  • Group One Trading first reported a position in Gossamer Bio in Q1 2020 and has held it in 17 quarters since.
  • Group One Trading's Gossamer Bio position peaked at $1.57M in Q3 2022.
  • 184 funds tracked by Wall St. Rank held Gossamer Bio as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.