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	$869K	Buy	+900	New	+$687K	0.02%	255
2025 Q4	–	Sell	-50,100	Closed	-$11.8M	–	411
2025 Q3	$11.8M	Buy	+50,100	New	+$8.55M	0.2%	90
2020 Q2	–	Sell	-66,000	Closed	-$3.22M	–	1171
2020 Q1	$3.22M	Buy	+66,000	New	+$3.52M	0.04%	298
2018 Q4	–	Sell	-100	Closed	-$5K	–	1389
2018 Q3	$5K	Buy	+100	New	+$5.34K	﹤0.01%	1139
2017 Q4	–	Sell	-117,400	Closed	-$3.89M	–	1821
2017 Q3	$3.89M	Buy	117,400 +107,400	+1,074%	+$3.65M	0.02%	577
2017 Q2	$388K	Sell	10,000 -321,700	-97%	-$14M	﹤0.01%	1339
2017 Q1	$15.2M	Buy	331,700 +264,700	+395%	+$11.7M	0.11%	209
2016 Q4	$2.56M	Buy	67,000 +41,200	+160%	+$1.54M	0.02%	521
2016 Q3	$995K	Buy	+25,800	New	+$838K	0.01%	573

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.