Laurion Capital Management’s West Pharmaceutical WST Stock Holding History

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-772	Closed	-$212K	–	537
2025 Q4	$212K	Buy	+772	New	+$211K	0.01%	284
2025 Q3	–	Sell	-1,808	Closed	-$396K	–	502
2025 Q2	$396K	Buy	+1,808	New	+$387K	0.05%	272
2024 Q3	–	Sell	-26,937	Closed	-$8.87M	–	636
2024 Q2	$8.87M	Sell	26,937 -1,097	-4%	-$388K	0.29%	120
2024 Q1	$11.1M	Buy	+28,034	New	+$10.4M	0.31%	179
2020 Q4	–	Sell	-18,222	Closed	-$5.01M	–	1032
2020 Q3	$5.01M	Buy	18,222 +2,355	+15%	+$623K	0.2%	218
2020 Q2	$3.6M	Buy	+15,867	New	+$3.12M	0.15%	263
2019 Q4	–	Sell	-15,800	Closed	-$2.24M	–	1354
2019 Q3	$2.24M	Buy	+15,800	New	+$2.18M	0.09%	481
2017 Q2	–	Sell	-4,060	Closed	-$331K	–	1943
2017 Q1	$331K	Buy	+4,060	New	+$339K	0.01%	1046
2016 Q4	–	Sell	-3,032	Closed	-$226K	–	1410
2016 Q3	$226K	Sell	3,032 -149,968	-98%	-$11.9M	0.01%	772
2016 Q2	$11.6M	Buy	+153,000	New	+$11.1M	0.73%	135
2016 Q1	–	Sell	-6,100	Closed	-$367K	–	1258
2015 Q4	$367K	Buy	+6,100	New	+$367K	0.02%	568