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Opaleye Management’s Gossamer Bio GOSS Stock Holding History

Opaleye 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
-2,720,000
Closed -$8.43M – 58
2025
Q4 		$8.43M Sell
2,720,000
-5,000
-0.2% -$14.3K 1.11% 21
2025
Q3 		$7.17M Sell
2,725,000
-820,000
-23% -$1.81M 1.01% 22
2025
Q2 		$4.36M Sell
3,545,000
-742,415
-17% -$810K 0.88% 24
2025
Q1 		$4.72M Sell
4,287,415
-202,585
-5% -$234K 1.05% 20
2024
Q4 		$4.06M Buy
4,490,000
+824,990
+23% +$707K 0.71% 26
2024
Q3 		$3.71M Sell
3,665,010
-244,990
-6% -$236K 0.62% 29
2024
Q2 		$3.52M Buy
3,910,000
+1,469,891
+60% +$1.1M 0.8% 34
2024
Q1 		$2.88M Sell
2,440,109
-542,091
-18% -$597K 0.63% 38
2023
Q4 		$2.72M Sell
2,982,200
-1,772,000
-37% -$1.31M 0.72% 35
2023
Q3 		$3.96M Buy
4,754,200
+1,384,200
+41% +$1.6M 1.29% 21
2023
Q2 		$4.04M Buy
+3,370,000
New +$4.2M 0.97% 28

Other funds holding GOSS

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
KCM
Kalehua Capital Management Dallas, Texas $174M AUM
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
AVM
Arch Venture Management Chicago, Illinois $1.1B AUM 356.62% 1-Year Est. Return
OCA
Octagon Capital Advisors New York $1.11B AUM 866.76% 1-Year Est. Return
SB
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

Opaleye Management's GOSS Position: Q1 2026 in Review

Opaleye Management sold out of Gossamer Bio (GOSS) in Q1 2026, closing a stake of 2,720,000 shares — an estimated $8.43M sold.

Opaleye Management first reported a position in GOSS in Q2 2023 and held it in 11 quarters. The position peaked at $8.43M in Q4 2025. 185 funds tracked by Wall St. Rank hold GOSS as of Q1 2026.

  • Opaleye Management reported no remaining Gossamer Bio position as of Q1 2026 after selling out during the quarter.
  • Opaleye Management sold 2,720,000 Gossamer Bio shares in Q1 2026, an estimated $8.43M.
  • Opaleye Management first reported a position in Gossamer Bio in Q2 2023 and held it in 11 quarters.
  • Opaleye Management's Gossamer Bio position peaked at $8.43M in Q4 2025.
  • 185 funds tracked by Wall St. Rank held Gossamer Bio as of Q1 2026.

Based on Opaleye Management's 13F filing for Q1 2026, filed 15 May 2026.