Birchview Capital’s Gossamer Bio GOSS Stock Holding History

Birchview Capital’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 Q2	$2.99K	Hold	18,176	–	–	﹤0.01%	72
2026 Q1	$5.97K	Sell	18,176 -120,000	-87%	-$189K	﹤0.01%	73
2025 Q4	$428K	Hold	138,176	–	–	0.25%	54
2025 Q3	$363K	Hold	138,176	–	–	0.27%	56
2025 Q2	$170K	Hold	138,176	–	–	0.17%	60
2025 Q1	$152K	Hold	138,176	–	–	0.13%	56
2024 Q4	$125K	Hold	138,176	–	–	0.1%	59
2024 Q3	$136K	Hold	138,176	–	–	0.12%	50
2024 Q2	$124K	Hold	138,176	–	–	0.12%	52
2024 Q1	$163K	Hold	138,176	–	–	0.13%	52
2023 Q4	$126K	Sell	138,176 -70,912	-34%	-$52.4K	0.1%	53
2023 Q3	$174K	Buy	209,088 +110,000	+111%	+$127K	0.15%	46
2023 Q2	$119K	Hold	99,088	–	–	0.09%	51
2023 Q1	$125K	Hold	99,088	–	–	0.1%	49
2022 Q4	$215K	Sell	99,088 -60,000	-38%	-$494K	0.15%	50
2022 Q3	$1.91M	Hold	159,088	–	–	1.34%	18
2022 Q2	$1.33M	Buy	159,088 +30,000	+23%	+$232K	0.97%	18
2022 Q1	$1.12M	Buy	129,088 +29,088	+29%	+$281K	0.81%	23
2021 Q4	$1.13M	Buy	100,000 +60,000	+150%	+$713K	0.73%	28
2021 Q3	$503K	Buy	+40,000	New	+$368K	0.34%	42
2020 Q1	–	Sell	-30,000	Closed	-$469K	–	47
2019 Q4	$469K	Buy	+30,000	New	+$604K	0.34%	35

Other funds holding GOSS

D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

6CM

683 Capital Management New York $2.04B AUM 94.26% 1-Year Est. Return

DIG

DeepCurrents Investment Group New York $3.3B AUM 12.57% 1-Year Est. Return

CCM

Context Capital Management Lajolla, California $5.15B AUM 1.28% 1-Year Est. Return

WVP

Worth Venture Partners Fort Lee, New Jersey $44.3M AUM 34.55% 1-Year Est. Return

AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return

GCP

GSA Capital Partners London, United Kingdom $1.59B AUM 39.81% 1-Year Est. Return

WAM

Wolverine Asset Management Chicago, Illinois $11.4B AUM 5.65% 1-Year Est. Return

Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return

KCM

Kalehua Capital Management Dallas, Texas $174M AUM

Birchview Capital's GOSS Position: Q2 2026 in Review

Birchview Capital held its Gossamer Bio (GOSS) position steady in Q2 2026 at 18,176 shares worth $2.99K. The position accounts for ﹤0.01% of the portfolio, ranked #72.

Birchview Capital first reported a position in GOSS in Q4 2019 and has held it in 21 quarters since. The position peaked at $1.91M in Q3 2022. 170 funds tracked by Wall St. Rank hold GOSS as of Q2 2026.

Birchview Capital held 18,176 shares of Gossamer Bio worth $2.99K as of Q2 2026.
Birchview Capital left its Gossamer Bio share count unchanged in Q2 2026.
Gossamer Bio made up ﹤0.01% of Birchview Capital's portfolio in Q2 2026, its #72 holding.
Birchview Capital first reported a position in Gossamer Bio in Q4 2019 and has held it in 21 quarters since.
Birchview Capital's Gossamer Bio position peaked at $1.91M in Q3 2022.
170 funds tracked by Wall St. Rank held Gossamer Bio as of Q2 2026.

Based on Birchview Capital's 13F filing for Q2 2026, filed 14 Aug 2026.