Alyeska Investment Group’s Gossamer Bio GOSS Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$674K	Buy	2,051,442 +1,142,355	+126%	+$1.8M	﹤0.01%	585
2025 Q4	$2.82M	Sell	909,087 -1,000,000	-52%	-$2.85M	0.01%	502
2025 Q3	$5.02M	Sell	1,909,087 -2,550,000	-57%	-$5.62M	0.02%	454
2025 Q2	$5.48M	Buy	4,459,087 +295,353	+7%	+$322K	0.02%	413
2025 Q1	$4.58M	Sell	4,163,734 -4,644,780	-53%	-$5.37M	0.02%	369
2024 Q4	$7.97M	Buy	8,808,514 +3,041,058	+53%	+$2.61M	0.03%	362
2024 Q3	$5.69M	Buy	5,767,456 +279,940	+5%	+$269K	0.03%	339
2024 Q2	$4.94M	Buy	+5,487,516	New	+$4.11M	0.03%	341
2024 Q1	–	Sell	-2,913,216	Closed	-$2.66M	–	525
2023 Q4	$2.66M	Sell	2,913,216 -3,890,284	-57%	-$2.87M	0.02%	351
2023 Q3	$5.67M	Buy	+6,803,500	New	+$7.84M	0.04%	331
2022 Q3	–	Sell	-114,608	Closed	-$959K	–	425
2022 Q2	$959K	Sell	114,608 -50,000	-30%	-$387K	0.01%	500
2022 Q1	$1.43M	Buy	+164,608	New	+$1.59M	0.02%	473
2021 Q4	–	Sell	-120,066	Closed	-$1.51M	–	659
2021 Q3	$1.51M	Sell	120,066 -650,000	-84%	-$5.98M	0.02%	539
2021 Q2	$6.25M	Buy	770,066 +50,000	+7%	+$434K	0.07%	296
2021 Q1	$6.66M	Buy	720,066 +182,426	+34%	+$1.84M	0.09%	272
2020 Q4	$5.2M	Sell	537,640 -635,661	-54%	-$6.26M	0.07%	268
2020 Q3	$14.6M	Sell	1,173,301 -321,321	-21%	-$4.26M	0.22%	145
2020 Q2	$19.4M	Buy	1,494,622 +1,017,784	+213%	+$12.8M	0.29%	125
2020 Q1	$4.84M	Buy	476,838 +98,902	+26%	+$1.29M	0.1%	191
2019 Q4	$5.91M	Buy	377,936 +358,663	+1,861%	+$7.22M	0.08%	212
2019 Q3	$324K	Sell	19,273 -82,591	-81%	-$1.64M	﹤0.01%	373
2019 Q2	$2.26M	Sell	101,864 -50,619	-33%	-$968K	0.03%	309
2019 Q1	$3.3M	Buy	+152,483	New	+$3.18M	0.04%	250