Laurion Capital Management’s Seagate STX Stock Holding History

Laurion Capital Management’s Portfolio STX Stock Details STX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$493K	Sell	511 -2,536	-83%	-$1.93M	0.01%	306
2026 Q1	$1.19M	Buy	+3,047	New	+$1.16M	0.05%	249
2025 Q4	–	Sell	-90	Closed	-$21.2K	–	412
2025 Q3	$21.2K	Buy	+90	New	+$15.4K	﹤0.01%	226
2021 Q2	–	Sell	-5,900	Closed	-$453K	–	942
2021 Q1	$453K	Buy	+5,900	New	+$411K	﹤0.01%	604
2020 Q2	–	Sell	-13,785	Closed	-$673K	–	1172
2020 Q1	$673K	Buy	+13,785	New	+$736K	0.01%	547
2018 Q4	–	Sell	-26,363	Closed	-$1.25M	–	1390
2018 Q3	$1.25M	Buy	26,363 +3,782	+17%	+$202K	0.01%	633
2018 Q2	$1.28M	Sell	22,581 -39,218	-63%	-$2.27M	0.01%	714
2018 Q1	$3.62M	Buy	61,799 +54,191	+712%	+$2.88M	0.03%	454
2017 Q4	$318K	Sell	7,608 -14,692	-66%	-$561K	﹤0.01%	1313
2017 Q3	$740K	Sell	22,300 -198,417	-90%	-$6.74M	﹤0.01%	1061
2017 Q2	$8.55M	Buy	+220,717	New	+$9.63M	0.05%	360
2017 Q1	–	Sell	-83,200	Closed	-$3.69M	–	1550
2016 Q4	$3.18M	Buy	83,200 +75,673	+1,005%	+$2.82M	0.03%	454
2016 Q3	$290K	Buy	+7,527	New	+$244K	﹤0.01%	728
2016 Q2	–	Sell	-21,600	Closed	-$524K	–	1006
2016 Q1	$744K	Buy	+21,600	New	+$696K	0.01%	470

Other funds holding STX

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

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

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

WCM Investment Management Laguna Beach, California $55.2B AUM 57.07% 1-Year Est. Return

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Laurion Capital Management's STX Position: Q2 2026 in Review

Laurion Capital Management reduced its Seagate (STX) stake by 83% in Q2 2026, selling an estimated $1.93M and leaving 511 shares worth $493K. The position accounts for 0.01% of the portfolio, ranked #306.

Laurion Capital Management first reported a position in STX in Q1 2016 and has held it in 14 quarters since. The position peaked at $8.55M in Q2 2017. 1,961 funds tracked by Wall St. Rank hold STX as of Q2 2026.

Laurion Capital Management held 511 shares of Seagate worth $493K as of Q2 2026.
Laurion Capital Management sold 2,536 Seagate shares in Q2 2026, an estimated $1.93M.
Seagate made up 0.01% of Laurion Capital Management's portfolio in Q2 2026, its #306 holding.
Laurion Capital Management first reported a position in Seagate in Q1 2016 and has held it in 14 quarters since.
Laurion Capital Management's Seagate position peaked at $8.55M in Q2 2017.
1,961 funds tracked by Wall St. Rank held Seagate as of Q2 2026.

Based on Laurion Capital Management's 13F filing for Q2 2026, filed 13 Aug 2026.