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	$383M	Buy	977,100 +248,500	+34%	+$94.8M	0.05%	246
2025 Q4	$201M	Buy	728,600 +46,600	+7%	+$12.1M	0.03%	351
2025 Q3	$161M	Buy	682,000 +237,400	+53%	+$40.5M	0.02%	409
2025 Q2	$64.2M	Sell	444,600 -34,300	-7%	-$3.55M	0.01%	636
2025 Q1	$40.7M	Buy	478,900 +202,000	+73%	+$19.1M	0.01%	792
2024 Q4	$23.9M	Sell	276,900 -33,000	-11%	-$3.32M	0.01%	1140
2024 Q3	$33.9M	Buy	309,900 +145,300	+88%	+$14.9M	0.01%	896
2024 Q2	$17M	Sell	164,600 -43,500	-21%	-$4.06M	﹤0.01%	1464
2024 Q1	$19.4M	Buy	208,100 +145,600	+233%	+$12.8M	﹤0.01%	1210
2023 Q4	$5.34M	Sell	62,500 -134,000	-68%	-$10M	﹤0.01%	2758
2023 Q3	$13M	Buy	196,500 +121,800	+163%	+$7.84M	﹤0.01%	1505
2023 Q2	$4.62M	Buy	74,700 +19,700	+36%	+$1.2M	﹤0.01%	2856
2023 Q1	$3.64M	Sell	55,000 -144,200	-72%	-$9.18M	﹤0.01%	2873
2022 Q4	$10.5M	Sell	199,200 -52,200	-21%	-$2.77M	﹤0.01%	1566
2022 Q3	$13.4M	Sell	251,400 -76,800	-23%	-$5.55M	0.01%	1431
2022 Q2	$23.4M	Buy	328,200 +80,800	+33%	+$6.56M	0.01%	999
2022 Q1	$22.2M	Sell	247,400 -238,200	-49%	-$24.4M	0.01%	1182
2021 Q4	$54.9M	Buy	485,600 +249,200	+105%	+$24.2M	0.02%	607
2021 Q3	$19.5M	Sell	236,400 -325,300	-58%	-$28.3M	0.01%	1160
2021 Q2	$49.4M	Buy	561,700 +307,800	+121%	+$27.7M	0.02%	555
2021 Q1	$19.5M	Buy	253,900 +47,200	+23%	+$3.28M	0.01%	995
2020 Q4	$12.8M	Buy	206,700 +23,300	+13%	+$1.31M	0.01%	1210
2020 Q3	$9.04M	Buy	183,400 +28,100	+18%	+$1.32M	0.01%	1293
2020 Q2	$7.52M	Buy	155,300 +94,500	+155%	+$4.74M	0.01%	1411
2020 Q1	$2.97M	Buy	60,800 +12,300	+25%	+$657K	﹤0.01%	1633
2019 Q4	$2.89M	Sell	48,500 -73,100	-60%	-$4.2M	﹤0.01%	1546
2019 Q3	$6.54M	Buy	121,600 +98,600	+429%	+$4.84M	0.01%	815
2019 Q2	$1.08M	Sell	23,000 -31,000	-57%	-$1.44M	﹤0.01%	2594
2019 Q1	$2.59M	Buy	54,000 +26,100	+94%	+$1.16M	﹤0.01%	1751
2018 Q4	$1.08M	Sell	27,900 -31,200	-53%	-$1.31M	﹤0.01%	2449
2018 Q3	$2.8M	Sell	59,100 -74,700	-56%	-$3.99M	0.01%	1561
2018 Q2	$7.56M	Buy	133,800 +10,600	+9%	+$613K	0.02%	767
2018 Q1	$7.21M	Buy	123,200 +89,000	+260%	+$4.73M	0.02%	717
2017 Q4	$1.43M	Sell	34,200 -25,500	-43%	-$974K	﹤0.01%	1922
2017 Q3	$1.98M	Sell	59,700 -56,300	-49%	-$1.91M	0.01%	1603
2017 Q2	$4.5M	Buy	116,000 +26,500	+30%	+$1.16M	0.02%	840
2017 Q1	$4.11M	Buy	89,500 +56,000	+167%	+$2.49M	0.02%	820
2016 Q4	$1.28M	Buy	33,500 +21,700	+184%	+$810K	0.01%	1775
2016 Q3	$455K	Sell	11,800 -18,200	-61%	-$591K	﹤0.01%	2867
2016 Q2	$731K	Sell	30,000 -35,700	-54%	-$865K	﹤0.01%	2357
2016 Q1	$2.26M	Sell	65,700 -312,900	-83%	-$10.1M	0.01%	1070
2015 Q4	$13.9M	Buy	378,600 +339,000	+856%	+$12.9M	0.09%	199
2015 Q3	$1.77M	Buy	39,600 +26,200	+196%	+$1.27M	0.01%	1101
2015 Q2	$637K	Buy	+13,400	New	+$740K	﹤0.01%	2047
2015 Q1	–	Sell	-4,900	Closed	-$326K	–	3462
2014 Q4	$326K	Buy	+4,900	New	+$304K	﹤0.01%	1815

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.