Boxer Capital’s Gossamer Bio GOSS Stock Holding History

Boxer 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
2023 Q4	–	Sell	-81,221	Closed	-$5.41M	–	61
2023 Q3	$5.41M	Buy	81,221 +39,509	+95%	+$3.64M	0.29%	50
2023 Q2	$4M	Hold	41,712	–	–	0.19%	57
2023 Q1	$4.2M	Hold	41,712	–	–	0.21%	55
2022 Q4	$7.24M	Sell	41,712 -2,937	-7%	-$1.93M	0.38%	45
2022 Q3	$42.8M	Buy	44,649 +13,870	+45%	+$13.8M	2.41%	12
2022 Q2	$20.6M	Hold	30,779	–	–	1.31%	28
2022 Q1	$21.4M	Hold	30,779	–	–	1.1%	28
2021 Q4	$27.8M	Hold	30,779	–	–	1.08%	24
2021 Q3	$31M	Sell	30,779 -1,250	-4%	-$921K	1.08%	27
2021 Q2	$20.8M	Hold	32,029	–	–	0.73%	41
2021 Q1	$23.7M	Hold	32,029	–	–	0.8%	38
2020 Q4	$24.8M	Hold	32,029	–	–	0.8%	36
2020 Q3	$31.8M	Hold	32,029	–	–	1.1%	24
2020 Q2	$33.3M	Buy	32,029 +4,716	+17%	+$4.74M	1.46%	22
2020 Q1	$22.2M	Hold	27,313	–	–	1.51%	20
2019 Q4	$34.2M	Buy	27,313 +1,375	+5%	+$2.22M	1.93%	13
2019 Q3	$34.8M	Buy	25,938 +2,500	+11%	+$3.98M	2.53%	14
2019 Q2	$41.6M	Hold	23,438	–	–	3.58%	10
2019 Q1	$40.6M	Buy	+23,438	New	+$39.1M	4.7%	7

Other funds holding GOSS

NEA Management Company Timonium, Maryland $1.59B AUM 234.06% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Artal Group Luxembourg $931M AUM 41.63% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

EcoR1 Capital San Francisco, California $2.06B AUM 215.32% 1-Year Est. Return

Octagon Capital Advisors New York $1.11B AUM 866.76% 1-Year Est. Return

Arch Venture Management Chicago, Illinois $1.1B AUM 356.62% 1-Year Est. Return

Palo Alto Investors Palo Alto, California $724M AUM 96.91% 1-Year Est. Return

PIM

Platinum Investment Management Sydney Australia 2000, Australia $407M AUM 87.11% 1-Year Est. Return

Eversept Partners New York $1.93B AUM 160.8% 1-Year Est. Return

Boxer Capital's GOSS Position: Q4 2023 in Review

Boxer Capital sold out of Gossamer Bio (GOSS) in Q4 2023, closing a stake of 81,221 shares — an estimated $5.41M sold.

Boxer Capital first reported a position in GOSS in Q1 2019 and held it in 19 quarters. The position peaked at $42.8M in Q3 2022. 96 funds tracked by Wall St. Rank hold GOSS as of Q4 2023.

Boxer Capital reported no remaining Gossamer Bio position as of Q4 2023 after selling out during the quarter.
Boxer Capital sold 81,221 Gossamer Bio shares in Q4 2023, an estimated $5.41M.
Boxer Capital first reported a position in Gossamer Bio in Q1 2019 and held it in 19 quarters.
Boxer Capital's Gossamer Bio position peaked at $42.8M in Q3 2022.
96 funds tracked by Wall St. Rank held Gossamer Bio as of Q4 2023.

Based on Boxer Capital's 13F filing for Q4 2023, filed 14 Feb 2024.