William John Sempolinski’s Seagate STX Stock Holding History

William John Sempolinski’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	$651K	Hold	675	–	–	0.26%	65
2026 Q1	$264K	Buy	+675	New	+$258K	0.13%	81

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 $3.38T AUM 44.17% 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

William John Sempolinski's STX Position: Q2 2026 in Review

William John Sempolinski held its Seagate (STX) position steady in Q2 2026 at 675 shares worth $651K. The position accounts for 0.26% of the portfolio, ranked #65.

William John Sempolinski first reported a position in STX in Q1 2026 and has held it in 2 quarters since. 1,965 funds tracked by Wall St. Rank hold STX as of Q2 2026.

William John Sempolinski held 675 shares of Seagate worth $651K as of Q2 2026.
William John Sempolinski left its Seagate share count unchanged in Q2 2026.
Seagate made up 0.26% of William John Sempolinski's portfolio in Q2 2026, its #65 holding.
William John Sempolinski first reported a position in Seagate in Q1 2026 and has held it in 2 quarters since.
1,965 funds tracked by Wall St. Rank held Seagate as of Q2 2026.

Based on William John Sempolinski's 13F filing for Q2 2026, filed 14 Aug 2026.