Portman Square Capital’s Seagate STX Stock Holding History

Portman Square Capital’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 Q3	–	Sell	-112,500	Closed	-$16.2M	–	173
2025 Q2	$16.2M	Sell	112,500 -970,000	-90%	-$100M	0.47%	43
2025 Q1	$92M	Buy	1,082,500 +181,200	+20%	+$17.1M	2.44%	7
2024 Q4	$77.8M	Buy	901,300 +439,900	+95%	+$44.3M	2.79%	6
2024 Q3	$50.5M	Sell	461,400 -11,600	-2%	-$1.19M	1.88%	7
2024 Q2	$48.8M	Sell	473,000 -250,000	-35%	-$23.3M	1.67%	8
2024 Q1	$67.3M	Sell	723,000 -521,700	-42%	-$45.9M	1.86%	9
2023 Q4	$106M	Hold	1,244,700	–	–	2.43%	4
2023 Q3	$82.1M	Buy	+1,244,700	New	+$80.1M	2.02%	6
2023 Q1	–	Sell	-33,300	Closed	-$1.75M	–	395
2022 Q4	$1.75M	Buy	+33,300	New	+$1.77M	0.13%	135

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

Portman Square Capital's STX Position: Q2 2026 in Review

Portman Square Capital opened a new position in Seagate (STX) in Q2 2026: 25,167 shares worth $24.3M. The stake represents 1.15% of the portfolio and ranks #26 among its holdings. This is a return to the name: Portman Square Capital previously reported a position in STX as recently as Q1 2025.

Portman Square Capital first reported a position in STX in Q4 2022 and has held it in 7 quarters since. 1,958 funds tracked by Wall St. Rank hold STX as of Q2 2026.

Portman Square Capital held 25,167 shares of Seagate worth $24.3M as of Q2 2026.
Seagate was a new Portman Square Capital position in Q2 2026.
Seagate made up 1.15% of Portman Square Capital's portfolio in Q2 2026, its #26 holding.
Portman Square Capital first reported a position in Seagate in Q4 2022 and has held it in 7 quarters since.
1,958 funds tracked by Wall St. Rank held Seagate as of Q2 2026.

Based on Portman Square Capital's 13F filing for Q2 2026, filed 15 Jul 2026.