Matthew Hamilton Rosenberg’s Seagate STX Stock Holding History

Matthew Hamilton Rosenberg’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 Q3	$134K	Buy	145 +38	+36%	+$32.4K	0.02%	302
2026 Q2	$103K	Hold	107	–	–	0.02%	340
2026 Q1	$41.9K	Hold	107	–	–	0.01%	446
2025 Q4	$29.5K	Hold	107	–	–	0.01%	493
2025 Q3	$25.3K	Hold	107	–	–	0.01%	507
2025 Q2	$15.4K	Hold	107	–	–	﹤0.01%	601
2025 Q1	$9.09K	Hold	107	–	–	﹤0.01%	648
2024 Q4	$9.24K	Hold	107	–	–	﹤0.01%	635
2024 Q3	$11.7K	Hold	107	–	–	﹤0.01%	599
2024 Q2	$11K	Hold	107	–	–	﹤0.01%	580
2024 Q1	$9.8K	Hold	107	–	–	﹤0.01%	611
2023 Q4	$9.14K	Hold	107	–	–	﹤0.01%	620
2023 Q3	$7.06K	Buy	107 +85	+386%	+$5.47K	﹤0.01%	659
2023 Q2	$1.36K	Hold	22	–	–	﹤0.01%	771
2023 Q1	$1.46K	Hold	22	–	–	﹤0.01%	799
2022 Q4	$1.16K	Hold	22	–	–	﹤0.01%	807
2022 Q3	$1K	Buy	+22	New	+$1.59K	﹤0.01%	835

Other funds holding STX

Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return

Sanders Capital West Palm Beach, Florida $103B AUM 36.66% 1-Year Est. Return

Amundi Paris, France $496B AUM 35.36% 1-Year Est. Return

Exchange Traded Concepts Oklahoma City, Oklahoma $25.3B AUM 51.52% 1-Year Est. Return

Bank of New York Mellon New York $608B AUM 32.77% 1-Year Est. Return

Deutsche Bank Frankfurt Am Main Ge, Germany $362B AUM 34.89% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return

Nuveen Charlotte, North Carolina $420B AUM 34.97% 1-Year Est. Return

Swedbank Stockholm, Sweden $118B AUM 40.52% 1-Year Est. Return

Matthew Hamilton Rosenberg's STX Position: Q3 2026 in Review

Matthew Hamilton Rosenberg increased its Seagate (STX) stake by 36% in Q3 2026, buying an estimated $32.4K and bringing the position to 145 shares worth $134K. The position accounts for 0.02% of the portfolio, ranked #302.

Matthew Hamilton Rosenberg first reported a position in STX in Q3 2022 and has held it in 17 quarters since. 1,182 funds tracked by Wall St. Rank hold STX as of Q3 2026.

Matthew Hamilton Rosenberg held 145 shares of Seagate worth $134K as of Q3 2026.
Matthew Hamilton Rosenberg bought 38 Seagate shares in Q3 2026, an estimated $32.4K.
Seagate made up 0.02% of Matthew Hamilton Rosenberg's portfolio in Q3 2026, its #302 holding.
Matthew Hamilton Rosenberg first reported a position in Seagate in Q3 2022 and has held it in 17 quarters since.
1,182 funds tracked by Wall St. Rank held Seagate as of Q3 2026.

Based on Matthew Hamilton Rosenberg's 13F filing for Q3 2026, filed 5 Oct 2026.