Stonepine Capital Management
GOSS icon

Stonepine Capital Management’s Gossamer Bio GOSS Stock Holding History

Stonepine 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
2026
Q1 		– Sell
-2,560
Closed -$635K – 91
2025
Q4 		$635K Hold
2,560
– – 0.46% 45
2025
Q3 		$539K Buy
+2,560
New +$451K 0.44% 40
2023
Q4 		– Sell
-41,743
Closed -$2.78M – 19
2023
Q3 		$2.78M Buy
+41,743
New +$3.85M 0.92% 19

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Vanguard Capital Management
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Arch Venture Management
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Octagon Capital Advisors
Octagon Capital Advisors New York $1.11B AUM 866.76% 1-Year Est. Return
Samsara BioCapital
Samsara BioCapital Palo Alto, California $1.22B AUM 242.83% 1-Year Est. Return
Balyasny Asset Management
Balyasny Asset Management Chicago, Illinois $80.2B AUM 51.53% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
SL
Siren LLC Greenwich, Connecticut $4.94B AUM 244.43% 1-Year Est. Return

Stonepine Capital Management's GOSS Position: Q1 2026 in Review

Stonepine Capital Management sold out of Gossamer Bio (GOSS) in Q1 2026, closing a stake of 2,560 shares — an estimated $635K sold.

Stonepine Capital Management first reported a position in GOSS in Q3 2023 and held it in 3 quarters. The position peaked at $2.78M in Q3 2023. 181 funds tracked by Wall St. Rank hold GOSS as of Q1 2026.

  • Stonepine Capital Management reported no remaining Gossamer Bio position as of Q1 2026 after selling out during the quarter.
  • Stonepine Capital Management sold 2,560 Gossamer Bio shares in Q1 2026, an estimated $635K.
  • Stonepine Capital Management first reported a position in Gossamer Bio in Q3 2023 and held it in 3 quarters.
  • Stonepine Capital Management's Gossamer Bio position peaked at $2.78M in Q3 2023.
  • 181 funds tracked by Wall St. Rank held Gossamer Bio as of Q1 2026.

Based on Stonepine Capital Management's 13F filing for Q1 2026, filed 14 May 2026.