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Opti Capital Management’s Gossamer Bio GOSS Stock Holding History

Opti Capital Management’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
2025
Q2 		– Sell
-414,152
Closed -$452K – 45
2025
Q1 		$456K Buy
414,152
+231,833
+127% +$268K 0.03% 53
2024
Q4 		$165K Buy
+182,319
New +$156K 0.01% 65

Other funds holding GOSS

OCA
Octagon Capital Advisors New York $1.11B AUM 866.76% 1-Year Est. Return
NMC
NEA Management Company Timonium, Maryland $1.59B AUM 234.06% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
AVM
Arch Venture Management Chicago, Illinois $1.1B AUM 356.62% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
6CM
683 Capital Management New York $2.04B AUM 94.26% 1-Year Est. Return
SB
Samsara BioCapital Palo Alto, California $1.22B AUM 242.83% 1-Year Est. Return
PAI
Palo Alto Investors Palo Alto, California $724M AUM 96.91% 1-Year Est. Return

Opti Capital Management's GOSS Position: Q2 2025 in Review

Opti Capital Management sold out of Gossamer Bio (GOSS) in Q2 2025, closing a stake of 414,152 shares — an estimated $452K sold.

Opti Capital Management first reported a position in GOSS in Q4 2024 and held it in 2 quarters. The position peaked at $456K in Q1 2025. 123 funds tracked by Wall St. Rank hold GOSS as of Q2 2025.

  • Opti Capital Management reported no remaining Gossamer Bio position as of Q2 2025 after selling out during the quarter.
  • Opti Capital Management sold 414,152 Gossamer Bio shares in Q2 2025, an estimated $452K.
  • Opti Capital Management first reported a position in Gossamer Bio in Q4 2024 and held it in 2 quarters.
  • Opti Capital Management's Gossamer Bio position peaked at $456K in Q1 2025.
  • 123 funds tracked by Wall St. Rank held Gossamer Bio as of Q2 2025.

Based on Opti Capital Management's 13F filing for Q2 2025, filed 14 Aug 2025.