Millennium Management
GOSS icon

Millennium Management’s Gossamer Bio GOSS Stock Holding History

Millennium 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
2022
Q2 		– Sell
-215,000
Closed -$1.87M – 7161
2022
Q1 		$1.87M Buy
+215,000
New +$2.07M ﹤0.01% 3952
2020
Q4 		– Sell
-120,000
Closed -$1.49K – 5341
2020
Q3 		$1.49K Buy
120,000
+110,000
+1,100% +$1.46M ﹤0.01% 2827
2020
Q2 		$130K Hold
10,000
– – ﹤0.01% 3937
2020
Q1 		$102K Buy
+10,000
New +$131K ﹤0.01% 3547

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

Millennium Management's GOSS Position: Q1 2026 in Review

Millennium Management reduced its Gossamer Bio (GOSS) stake by 95% in Q1 2026, selling an estimated $5.34M and leaving 187,418 shares worth $61.6K. The position accounts for ﹤0.01% of the portfolio, ranked #5410.

Millennium Management first reported a position in GOSS in Q1 2019 and has held it in 27 quarters since. The position peaked at $15.9M in Q3 2022. 184 funds tracked by Wall St. Rank hold GOSS as of Q1 2026.

  • Millennium Management held 187,418 shares of Gossamer Bio worth $61.6K as of Q1 2026.
  • Millennium Management sold 3,396,870 Gossamer Bio shares in Q1 2026, an estimated $5.34M.
  • Gossamer Bio made up ﹤0.01% of Millennium Management's portfolio in Q1 2026, its #5410 holding.
  • Millennium Management first reported a position in Gossamer Bio in Q1 2019 and has held it in 27 quarters since.
  • Millennium Management's Gossamer Bio position peaked at $15.9M in Q3 2022.
  • 184 funds tracked by Wall St. Rank held Gossamer Bio as of Q1 2026.

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