Caption Management’s Gossamer Bio GOSS Stock Holding History

Caption 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	$16.4K	Buy	50,000 +8,700	+21%	+$13.7K	﹤0.01%	1459
2025 Q4	$128K	Sell	41,300 -2,368,700	-98%	-$6.76M	﹤0.01%	1422
2025 Q3	$6.34M	Buy	2,410,000 +2,200,000	+1,048%	+$4.85M	0.05%	406
2025 Q2	$258K	Buy	210,000 +10,000	+5%	+$10.9K	﹤0.01%	1221
2025 Q1	$220K	Buy	+200,000	New	+$231K	﹤0.01%	1253
2022 Q3	–	Sell	-98,700	Closed	-$826K	–	1631
2022 Q2	$826K	Buy	+98,700	New	+$765K	0.01%	942
2021 Q1	–	Sell	-135,000	Closed	-$1.3M	–	1201
2020 Q4	$1.3M	Buy	135,000 +10,000	+8%	+$98.5K	0.03%	550
2020 Q3	$1.55M	Buy	+125,000	New	+$1.66M	0.04%	510
2020 Q2	–	Sell	-50,000	Closed	-$507K	–	1034
2020 Q1	$507K	Hold	50,000	–	–	0.03%	541
2019 Q4	$781K	Sell	50,000 -80,900	-62%	-$1.63M	0.03%	547
2019 Q3	$2.2M	Buy	+130,900	New	+$2.6M	0.11%	221

Other funds holding GOSS

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

KCM

Kalehua Capital Management Dallas, Texas $141M AUM

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

Samsara BioCapital Palo Alto, California $1.03B AUM 214.94% 1-Year Est. Return

Balyasny Asset Management Chicago, Illinois $77.1B AUM 42.89% 1-Year Est. Return

Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return

Siren LLC Greenwich, Connecticut $3.61B AUM 203.3% 1-Year Est. Return

Caption Management's GOSS Position: Q1 2026 in Review

Caption Management reduced its Gossamer Bio (GOSS) stake by 5.4% in Q1 2026, selling an estimated $6.43K and leaving 71,282 shares worth $23.4K. The position accounts for ﹤0.01% of the portfolio, ranked #1451.

Caption Management first reported a position in GOSS in Q3 2019 and has held it in 6 quarters since. The position peaked at $4.23M in Q3 2019. 184 funds tracked by Wall St. Rank hold GOSS as of Q1 2026.

Caption Management held 71,282 shares of Gossamer Bio worth $23.4K as of Q1 2026.
Caption Management sold 4,093 Gossamer Bio shares in Q1 2026, an estimated $6.43K.
Gossamer Bio made up ﹤0.01% of Caption Management's portfolio in Q1 2026, its #1451 holding.
Caption Management first reported a position in Gossamer Bio in Q3 2019 and has held it in 6 quarters since.
Caption Management's Gossamer Bio position peaked at $4.23M in Q3 2019.
184 funds tracked by Wall St. Rank held Gossamer Bio as of Q1 2026.

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