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
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 $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Sanders Capital West Palm Beach, Florida $83.9B AUM 37.89% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Laurion Capital Management's STX Position: Q1 2026 in Review

Laurion Capital Management opened a new position in Seagate (STX) in Q1 2026: 3,047 shares worth $1.19M. The stake represents 0.05% of the portfolio and ranks #249 among its holdings. This is a return to the name: Laurion Capital Management previously reported a position in STX as recently as Q3 2025.

Laurion Capital Management first reported a position in STX in Q1 2016 and has held it in 13 quarters since. The position peaked at $8.55M in Q2 2017. 1,455 funds tracked by Wall St. Rank hold STX as of Q1 2026.

Laurion Capital Management held 3,047 shares of Seagate worth $1.19M as of Q1 2026.
Seagate was a new Laurion Capital Management position in Q1 2026.
Seagate made up 0.05% of Laurion Capital Management's portfolio in Q1 2026, its #249 holding.
Laurion Capital Management first reported a position in Seagate in Q1 2016 and has held it in 13 quarters since.
Laurion Capital Management's Seagate position peaked at $8.55M in Q2 2017.
1,455 funds tracked by Wall St. Rank held Seagate as of Q1 2026.

Based on Laurion Capital Management's 13F filing for Q1 2026, filed 14 May 2026.