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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
-10,000
Closed -$2.1M – 123
2025
Q3 		$2.1M Buy
+10,000
New +$1.76M 0.08% 124
2024
Q1 		– Sell
-10,483
Closed -$765K – 115
2023
Q4 		$765K Hold
10,483
– – 0.07% 108
2023
Q3 		$698K Buy
+10,483
New +$966K 0.1% 91
2023
Q1 		– Sell
-1,250
Closed -$217K – 114
2022
Q4 		$217K Sell
1,250
-1,875
-60% -$1.23M 0.03% 83
2022
Q3 		$3M Buy
+3,125
New +$3.1M 0.37% 62

Other funds holding GOSS

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
OCA
Octagon Capital Advisors New York $1.11B AUM 866.76% 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 $3.38T AUM 44.17% 1-Year Est. Return
AVM
Arch Venture Management Chicago, Illinois $1.1B AUM 356.62% 1-Year Est. Return
SB
Samsara BioCapital Palo Alto, California $1.22B AUM 242.83% 1-Year Est. Return
SL
Siren LLC Greenwich, Connecticut $4.94B AUM 244.43% 1-Year Est. Return
6CM
683 Capital Management New York $2.04B AUM 94.26% 1-Year Est. Return
HA
HHLR Advisors Grand Cayman, Cayman Islands $832M AUM 32.38% 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 10,000 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. 192 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 10,000 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.
  • 192 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.