Jane Street’s Seagate STX Stock Holding History

Jane Street’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	$1.5B	Buy	3,822,900 +206,200	+6%	+$78.7M	0.19%	64
2025 Q4	$996M	Buy	3,616,700 +3,316,300	+1,104%	+$861M	0.15%	88
2025 Q3	$70.9M	Sell	300,400 -330,000	-52%	-$56.3M	0.01%	763
2025 Q2	$91M	Buy	630,400 +418,900	+198%	+$43.4M	0.02%	498
2025 Q1	$18M	Sell	211,500 -138,200	-40%	-$13.1M	﹤0.01%	1398
2024 Q4	$30.2M	Sell	349,700 -52,000	-13%	-$5.24M	0.01%	973
2024 Q3	$44M	Sell	401,700 -124,600	-24%	-$12.7M	0.01%	750
2024 Q2	$54.4M	Buy	526,300 +111,800	+27%	+$10.4M	0.01%	658
2024 Q1	$38.6M	Buy	414,500 +56,300	+16%	+$4.95M	0.01%	767
2023 Q4	$30.6M	Buy	358,200 +13,800	+4%	+$1.03M	0.01%	952
2023 Q3	$22.7M	Sell	344,400 -22,700	-6%	-$1.46M	0.01%	1007
2023 Q2	$22.7M	Buy	367,100 +400	+0.1%	+$24.4K	0.01%	1095
2023 Q1	$24.2M	Sell	366,700 -31,000	-8%	-$1.97M	0.01%	877
2022 Q4	$20.9M	Buy	397,700 +116,300	+41%	+$6.18M	0.01%	970
2022 Q3	$15M	Sell	281,400 -36,100	-11%	-$2.61M	0.01%	1321
2022 Q2	$22.7M	Buy	317,500 +173,900	+121%	+$14.1M	0.01%	1019
2022 Q1	$12.9M	Sell	143,600 -36,700	-20%	-$3.76M	﹤0.01%	1672
2021 Q4	$20.4M	Sell	180,300 -131,800	-42%	-$12.8M	0.01%	1200
2021 Q3	$25.8M	Buy	312,100 +82,800	+36%	+$7.2M	0.01%	960
2021 Q2	$20.2M	Buy	229,300 +175,900	+329%	+$15.9M	0.01%	1071
2021 Q1	$4.1M	Sell	53,400 -55,200	-51%	-$3.84M	﹤0.01%	2699
2020 Q4	$6.75M	Buy	108,600 +21,600	+25%	+$1.21M	﹤0.01%	1774
2020 Q3	$4.29M	Buy	87,000 +32,900	+61%	+$1.55M	﹤0.01%	2020
2020 Q2	$2.62M	Sell	54,100 -2,600	-5%	-$130K	﹤0.01%	2697
2020 Q1	$2.77M	Buy	56,700 +41,600	+275%	+$2.22M	﹤0.01%	1696
2019 Q4	$898K	Sell	15,100 -38,400	-72%	-$2.21M	﹤0.01%	2915
2019 Q3	$2.88M	Buy	53,500 +43,100	+414%	+$2.11M	﹤0.01%	1452
2019 Q2	$490K	Sell	10,400 -27,600	-73%	-$1.28M	﹤0.01%	3603
2019 Q1	$1.82M	Sell	38,000 -246,800	-87%	-$10.9M	﹤0.01%	2135
2018 Q4	$11M	Buy	284,800 +258,000	+963%	+$10.9M	0.02%	531
2018 Q3	$1.27M	Buy	26,800 +1,800	+7%	+$96.2K	﹤0.01%	2455
2018 Q2	$1.41M	Sell	25,000 -19,000	-43%	-$1.1M	﹤0.01%	2331
2018 Q1	$2.58M	Buy	44,000 +7,200	+20%	+$383K	0.01%	1563
2017 Q4	$1.54M	Sell	36,800 -13,200	-26%	-$504K	﹤0.01%	1845
2017 Q3	$1.66M	Sell	50,000 -150,300	-75%	-$5.11M	0.01%	1775
2017 Q2	$7.76M	Buy	200,300 +153,300	+326%	+$6.69M	0.03%	569
2017 Q1	$2.16M	Buy	47,000 +39,900	+562%	+$1.77M	0.01%	1316
2016 Q4	$271K	Buy	7,100 +1,500	+27%	+$56K	﹤0.01%	3464
2016 Q3	$216K	Buy	+5,600	New	+$182K	﹤0.01%	3642
2016 Q2	–	Sell	-89,700	Closed	-$3.09M	–	4568
2016 Q1	$3.09M	Sell	89,700 -24,000	-21%	-$773K	0.02%	851
2015 Q4	$4.17M	Buy	113,700 +96,500	+561%	+$3.67M	0.03%	600
2015 Q3	$771K	Sell	17,200 -23,300	-58%	-$1.13M	﹤0.01%	1859
2015 Q2	$1.92M	Buy	+40,500	New	+$2.24M	0.01%	1033
2015 Q1	–	Sell	-83,500	Closed	-$5.55M	–	3464
2014 Q4	$5.55M	Buy	+83,500	New	+$5.18M	0.04%	309

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

Jane Street's STX Position: Q1 2026 in Review

Jane Street increased its Seagate (STX) stake by 37% in Q1 2026, buying an estimated $2.04M and bringing the position to 19,702 shares worth $7.72M. The position accounts for ﹤0.01% of the portfolio, ranked #2871.

Jane Street first reported a position in STX in Q2 2013 and has held it in 46 quarters since. The position peaked at $36.5M in Q3 2023. 1,455 funds tracked by Wall St. Rank hold STX as of Q1 2026.

Jane Street held 19,702 shares of Seagate worth $7.72M as of Q1 2026.
Jane Street bought 5,334 Seagate shares in Q1 2026, an estimated $2.04M.
Seagate made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #2871 holding.
Jane Street first reported a position in Seagate in Q2 2013 and has held it in 46 quarters since.
Jane Street's Seagate position peaked at $36.5M in Q3 2023.
1,455 funds tracked by Wall St. Rank held Seagate as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.