MAM
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Monaco Asset Management’s Gossamer Bio GOSS Stock Holding History

Monaco Asset 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
-309,211
Closed -$959K – 84
2025
Q4 		$959K Sell
309,211
-1,070,205
-78% -$3.05M 0.17% 65
2025
Q3 		$3.63M Sell
1,379,416
-2,170,584
-61% -$4.78M 0.22% 43
2025
Q2 		$4.37M Sell
3,550,000
-1,299,134
-27% -$1.42M 0.77% 25
2025
Q1 		$5.33M Sell
4,849,134
-522,507
-10% -$604K 1.09% 17
2024
Q4 		$4.86M Buy
5,371,641
+1,520,721
+39% +$1.3M 0.7% 21
2024
Q3 		$3.8M Buy
3,850,920
+1,124,816
+41% +$1.08M 0.55% 30
2024
Q2 		$2.46M Buy
2,726,104
+2,170,104
+390% +$1.62M 0.39% 29
2024
Q1 		$656K Buy
556,000
+276,000
+99% +$304K 0.2% 47
2023
Q4 		$256K Buy
+280,000
New +$207K 0.08% 72

Other funds holding GOSS

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
KCM
Kalehua Capital Management Dallas, Texas $141M AUM
AQR Capital Management
AQR Capital Management Greenwich, Connecticut $218B AUM 29.41% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
AVM
Arch Venture Management Chicago, Illinois $677M AUM 322.07% 1-Year Est. Return
OCA
Octagon Capital Advisors New York $904M AUM 737.04% 1-Year Est. Return
SB
Samsara BioCapital Palo Alto, California $1.03B AUM 214.94% 1-Year Est. Return
Balyasny Asset Management
Balyasny Asset Management Chicago, Illinois $77.1B AUM 42.89% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
SL
Siren LLC Greenwich, Connecticut $3.61B AUM 203.3% 1-Year Est. Return

Monaco Asset Management's GOSS Position: Q1 2026 in Review

Monaco Asset Management sold out of Gossamer Bio (GOSS) in Q1 2026, closing a stake of 309,211 shares — an estimated $959K sold.

Monaco Asset Management first reported a position in GOSS in Q4 2023 and held it in 9 quarters. The position peaked at $5.33M in Q1 2025. 184 funds tracked by Wall St. Rank hold GOSS as of Q1 2026.

  • Monaco Asset Management reported no remaining Gossamer Bio position as of Q1 2026 after selling out during the quarter.
  • Monaco Asset Management sold 309,211 Gossamer Bio shares in Q1 2026, an estimated $959K.
  • Monaco Asset Management first reported a position in Gossamer Bio in Q4 2023 and held it in 9 quarters.
  • Monaco Asset Management's Gossamer Bio position peaked at $5.33M in Q1 2025.
  • 184 funds tracked by Wall St. Rank held Gossamer Bio as of Q1 2026.

Based on Monaco Asset Management's 13F filing for Q1 2026, filed 11 May 2026.