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 		$64.9K Sell
197,600
-1,258,600
-86% -$1.98M ﹤0.01% 5069
2025
Q4 		$4.51M Buy
1,456,200
+743,400
+104% +$2.12M 0.01% 1596
2025
Q3 		$1.87M Buy
712,800
+617,400
+647% +$1.36M ﹤0.01% 2386
2025
Q2 		$117K Buy
95,400
+15,500
+19% +$16.9K ﹤0.01% 4839
2025
Q1 		$87.9K Sell
79,900
-12,500
-14% -$14.4K ﹤0.01% 4691
2024
Q4 		$83.6K Buy
92,400
+18,000
+24% +$15.4K ﹤0.01% 4658
2024
Q3 		$73.4K Buy
74,400
+32,200
+76% +$31K ﹤0.01% 4400
2024
Q2 		$38K Buy
42,200
+3,700
+10% +$2.77K ﹤0.01% 4737
2024
Q1 		$45.4K Sell
38,500
-2,740,900
-99% -$3.02M ﹤0.01% 4797
2023
Q4 		$2.54M Sell
2,779,400
-94,200
-3% -$69.6K 0.01% 1675
2023
Q3 		$2.39M Buy
2,873,600
+2,168,900
+308% +$2.5M 0.01% 1484
2023
Q2 		$846K Sell
704,700
-342,500
-33% -$427K ﹤0.01% 2510
2023
Q1 		$1.32M Buy
1,047,200
+1,010,000
+2,715% +$1.93M ﹤0.01% 1895
2022
Q4 		$80.7K Sell
37,200
-20,400
-35% -$168K ﹤0.01% 4623
2022
Q3 		$690K Sell
57,600
-600
-1% -$7.45K ﹤0.01% 2913
2022
Q2 		$487K Buy
58,200
+35,900
+161% +$278K ﹤0.01% 3446
2022
Q1 		$194K Buy
22,300
+22,000
+7,333% +$212K ﹤0.01% 4825
2021
Q4 		$3K Sell
300
-8,600
-97% -$102K ﹤0.01% 7781
2021
Q3 		$112K Buy
8,900
+2,600
+41% +$23.9K ﹤0.01% 5797
2021
Q2 		$51K Buy
6,300
+1,000
+19% +$8.67K ﹤0.01% 6563
2021
Q1 		$49K Buy
5,300
+5,000
+1,667% +$50.4K ﹤0.01% 6236
2020
Q4 		$3K Hold
300
– – ﹤0.01% 6158
2020
Q3 		$4K Sell
300
-2,900
-91% -$38.4K ﹤0.01% 5676
2020
Q2 		$42K Buy
3,200
+700
+28% +$8.8K ﹤0.01% 4467
2020
Q1 		$25K Sell
2,500
-7,200
-74% -$94K ﹤0.01% 4112
2019
Q4 		$152K Buy
9,700
+6,100
+169% +$123K ﹤0.01% 3356
2019
Q3 		$60K Buy
+3,600
New +$71.6K ﹤0.01% 3886

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.