Bank of America
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Bank of America’s Gossamer Bio GOSS Stock Holding History

Bank of America’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
2021
Q4 		– Sell
-25,500
Closed -$321K – 8370
2021
Q3 		$321K Buy
+25,500
New +$235K ﹤0.01% 5967

Other funds holding GOSS

BlackRock
BlackRock New York $6.73T AUM 46.02% 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 $4.68T 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 $84.2B AUM 55.88% 1-Year Est. Return
SL
Siren LLC Greenwich, Connecticut $4.94B AUM 244.43% 1-Year Est. Return

Bank of America's GOSS Position: Q1 2026 in Review

Bank of America increased its Gossamer Bio (GOSS) stake by 66% in Q1 2026, buying an estimated $1.99M and bringing the position to 3,173,725 shares worth $1.04M. The position accounts for ﹤0.01% of the portfolio, ranked #4505.

Bank of America first reported a position in GOSS in Q1 2019 and has held it in 29 quarters since. The position peaked at $7.58M in Q3 2025. 185 funds tracked by Wall St. Rank hold GOSS as of Q1 2026.

  • Bank of America held 3,173,725 shares of Gossamer Bio worth $1.04M as of Q1 2026.
  • Bank of America bought 1,267,056 Gossamer Bio shares in Q1 2026, an estimated $1.99M.
  • Gossamer Bio made up ﹤0.01% of Bank of America's portfolio in Q1 2026, its #4505 holding.
  • Bank of America first reported a position in Gossamer Bio in Q1 2019 and has held it in 29 quarters since.
  • Bank of America's Gossamer Bio position peaked at $7.58M in Q3 2025.
  • 185 funds tracked by Wall St. Rank held Gossamer Bio as of Q1 2026.

Based on Bank of America's 13F filing for Q1 2026, filed 18 May 2026.