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Tang Capital Management’s Gossamer Bio GOSS Stock Holding History

Tang 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
Q4 		– Sell
-800,000
Closed -$2.1M – 123
2025
Q3 		$2.1M Buy
+800,000
New +$1.76M 0.08% 124
2024
Q1 		– Sell
-838,600
Closed -$765K – 115
2023
Q4 		$765K Hold
838,600
– – 0.07% 108
2023
Q3 		$698K Buy
+838,600
New +$966K 0.1% 91
2023
Q1 		– Sell
-100,000
Closed -$217K – 114
2022
Q4 		$217K Sell
100,000
-150,000
-60% -$1.23M 0.03% 83
2022
Q3 		$3M Buy
+250,000
New +$3.1M 0.37% 62

Other funds holding GOSS

NMC
NEA Management Company Timonium, Maryland $1.76B AUM 223.33% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
OCA
Octagon Capital Advisors New York $904M AUM 737.04% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
AVM
Arch Venture Management Chicago, Illinois $677M AUM 322.07% 1-Year Est. Return
Corient Private Wealth
Corient Private Wealth Miami, Florida $69.9B AUM 22.19% 1-Year Est. Return
SB
Samsara BioCapital Palo Alto, California $1.03B AUM 214.94% 1-Year Est. Return
SL
Siren LLC Greenwich, Connecticut $3.61B AUM 203.3% 1-Year Est. Return
6CM
683 Capital Management New York $1.92B AUM 85.52% 1-Year Est. Return

Tang Capital Management's GOSS Position: Q4 2025 in Review

Tang Capital Management sold out of Gossamer Bio (GOSS) in Q4 2025, closing a stake of 800,000 shares — an estimated $2.1M sold.

Tang Capital Management first reported a position in GOSS in Q3 2022 and held it in 5 quarters. The position peaked at $3M in Q3 2022. 195 funds tracked by Wall St. Rank hold GOSS as of Q4 2025.

  • Tang Capital Management reported no remaining Gossamer Bio position as of Q4 2025 after selling out during the quarter.
  • Tang Capital Management sold 800,000 Gossamer Bio shares in Q4 2025, an estimated $2.1M.
  • Tang Capital Management first reported a position in Gossamer Bio in Q3 2022 and held it in 5 quarters.
  • Tang Capital Management's Gossamer Bio position peaked at $3M in Q3 2022.
  • 195 funds tracked by Wall St. Rank held Gossamer Bio as of Q4 2025.

Based on Tang Capital Management's 13F filing for Q4 2025, filed 17 Feb 2026.