Holocene Advisors’s Seagate STX Stock Holding History

Holocene Advisors’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 Q1	$426M	Buy	1,087,617 +328,503	+43%	+$125M	1.03%	15
2025 Q4	$209M	Buy	759,114 +571,106	+304%	+$148M	0.44%	59
2025 Q3	$44.4M	Sell	188,008 -40,405	-18%	-$6.9M	0.1%	196
2025 Q2	$33M	Sell	228,413 -202,934	-47%	-$21M	0.08%	203
2025 Q1	$36.6M	Sell	431,347 -158,670	-27%	-$15M	0.11%	191
2024 Q4	$50.9M	Buy	590,017 +150,238	+34%	+$15.1M	0.16%	161
2024 Q3	$48.2M	Buy	439,779 +50,777	+13%	+$5.19M	0.19%	149
2024 Q2	$40.2M	Hold	389,002	–	–	0.17%	153
2024 Q1	$36.2M	Sell	389,002 -1,907,398	-83%	-$168M	0.13%	178
2023 Q4	$196M	Buy	2,296,400 +703,869	+44%	+$52.5M	0.76%	32
2023 Q3	$105M	Sell	1,592,531 -313,394	-16%	-$20.2M	0.46%	67
2023 Q2	$118M	Sell	1,905,925 -1,165,783	-38%	-$71.2M	0.5%	66
2023 Q1	$203M	Buy	3,071,708 +529,052	+21%	+$33.7M	1%	16
2022 Q4	$134M	Buy	2,542,656 +937,373	+58%	+$49.8M	0.82%	37
2022 Q3	$85.4M	Sell	1,605,283 -404,572	-20%	-$29.2M	0.55%	59
2022 Q2	$144M	Buy	2,009,855 +698,705	+53%	+$56.8M	0.87%	27
2022 Q1	$118M	Sell	1,311,150 -439,997	-25%	-$45M	0.61%	50
2021 Q4	$198M	Buy	+1,751,147	New	+$170M	1.03%	16
2021 Q3	–	Sell	-4,127	Closed	-$363K	–	968
2021 Q2	$363K	Sell	4,127 -36,812	-90%	-$3.32M	﹤0.01%	769
2021 Q1	$3.14M	Buy	+40,939	New	+$2.85M	0.02%	486
2020 Q4	–	Sell	-48,962	Closed	-$2.41M	–	846
2020 Q3	$2.41M	Buy	+48,962	New	+$2.3M	0.02%	336
2020 Q2	–	Sell	-9,933	Closed	-$485K	–	770
2020 Q1	$485K	Buy	+9,933	New	+$530K	0.01%	555
2019 Q3	–	Sell	-11,499	Closed	-$542K	–	838
2019 Q2	$542K	Sell	11,499 -444,072	-97%	-$20.7M	0.01%	447
2019 Q1	$21.8M	Buy	+455,571	New	+$20.2M	0.33%	80

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

Holocene Advisors's STX Position: Q1 2026 in Review

Holocene Advisors increased its Seagate (STX) stake by 43% in Q1 2026, buying an estimated $125M and bringing the position to 1,087,617 shares worth $426M. The position accounts for 1.03% of the portfolio, ranked #15.

Holocene Advisors first reported a position in STX in Q1 2019 and has held it in 24 quarters since. 1,455 funds tracked by Wall St. Rank hold STX as of Q1 2026.

Holocene Advisors held 1,087,617 shares of Seagate worth $426M as of Q1 2026.
Holocene Advisors bought 328,503 Seagate shares in Q1 2026, an estimated $125M.
Seagate made up 1.03% of Holocene Advisors's portfolio in Q1 2026, its #15 holding.
Holocene Advisors first reported a position in Seagate in Q1 2019 and has held it in 24 quarters since.
1,455 funds tracked by Wall St. Rank held Seagate as of Q1 2026.

Based on Holocene Advisors's 13F filing for Q1 2026, filed 15 May 2026.