Dimensional Fund Advisors
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Dimensional Fund Advisors’s Seagate STX Stock Holding History

Dimensional Fund 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 		$327M Sell
836,018
-63,048
-7% -$24.1M 0.07% 319
2025
Q4 		$248M Buy
899,066
+488
+0.1% +$127K 0.05% 438
2025
Q3 		$212M Sell
898,578
-64,699
-7% -$11M 0.05% 506
2025
Q2 		$139M Sell
963,277
-31,030
-3% -$3.21M 0.03% 757
2025
Q1 		$84.5M Buy
994,307
+11,658
+1% +$1.1M 0.02% 1112
2024
Q4 		$84.8M Buy
982,649
+9,821
+1% +$989K 0.02% 1170
2024
Q3 		$107M Sell
972,828
-46,829
-5% -$4.79M 0.03% 983
2024
Q2 		$105M Buy
1,019,657
+9,062
+0.9% +$846K 0.03% 925
2024
Q1 		$94M Sell
1,010,595
-237,864
-19% -$20.9M 0.03% 989
2023
Q4 		$107M Sell
1,248,459
-133,833
-10% -$9.99M 0.03% 861
2023
Q3 		$91.2M Sell
1,382,292
-25,104
-2% -$1.62M 0.03% 874
2023
Q2 		$87.1M Sell
1,407,396
-126,241
-8% -$7.71M 0.03% 947
2023
Q1 		$101M Sell
1,533,637
-60,390
-4% -$3.84M 0.03% 782
2022
Q4 		$83.9K Buy
1,594,027
+29,540
+2% +$1.57M 0.02% 911
2022
Q3 		$83.3M Sell
1,564,487
-18,810
-1% -$1.36M 0.03% 842
2022
Q2 		$113M Sell
1,583,297
-3,805
-0.2% -$309K 0.04% 635
2022
Q1 		$143M Buy
1,587,102
+334
+0% +$34.2K 0.04% 576
2021
Q4 		$179M Sell
1,586,768
-123,865
-7% -$12M 0.05% 444
2021
Q3 		$141M Sell
1,710,633
-90,842
-5% -$7.9M 0.05% 561
2021
Q2 		$158M Sell
1,801,475
-98,326
-5% -$8.86M 0.05% 491
2021
Q1 		$146M Buy
1,899,801
+19,928
+1% +$1.39M 0.05% 527
2020
Q4 		$117M Buy
1,879,873
+94,689
+5% +$5.32M 0.04% 616
2020
Q3 		$88M Buy
1,785,184
+25,564
+1% +$1.2M 0.04% 682
2020
Q2 		$85.2M Buy
1,759,620
+79,647
+5% +$4M 0.04% 700
2020
Q1 		$82M Buy
1,679,973
+58,419
+4% +$3.12M 0.04% 572
2019
Q4 		$96.5M Sell
1,621,554
-1,352
-0.1% -$77.7K 0.04% 754
2019
Q3 		$87.3M Buy
1,622,906
+22,717
+1% +$1.11M 0.03% 800
2019
Q2 		$75.4M Buy
1,600,189
+31,557
+2% +$1.47M 0.03% 971
2019
Q1 		$75.1M Buy
1,568,632
+82,006
+6% +$3.64M 0.03% 939
2018
Q4 		$57.4M Buy
1,486,626
+209,084
+16% +$8.8M 0.03% 1070
2018
Q3 		$60.5M Sell
1,277,542
-11,004
-0.9% -$588K 0.02% 1238
2018
Q2 		$72.8M Buy
1,288,546
+30,933
+2% +$1.79M 0.03% 963
2018
Q1 		$73.6M Sell
1,257,613
-5,831
-0.5% -$310K 0.03% 907
2017
Q4 		$52.9M Buy
1,263,444
+1,981
+0.2% +$75.7K 0.02% 1292
2017
Q3 		$41.8M Buy
1,261,463
+44,588
+4% +$1.51M 0.02% 1493
2017
Q2 		$47.2M Buy
1,216,875
+53,722
+5% +$2.34M 0.02% 1305
2017
Q1 		$53.4M Buy
1,163,153
+40,927
+4% +$1.82M 0.03% 1106
2016
Q4 		$42.8M Buy
1,122,226
+37,835
+3% +$1.41M 0.02% 1302
2016
Q3 		$41.8M Buy
1,084,391
+48,971
+5% +$1.59M 0.02% 1233
2016
Q2 		$25.2M Sell
1,035,420
-11,757
-1% -$285K 0.01% 1648
2016
Q1 		$36.1M Buy
1,047,177
+25,972
+3% +$837K 0.02% 1291
2015
Q4 		$37.4M Buy
1,021,205
+35,280
+4% +$1.34M 0.02% 1156
2015
Q3 		$44.1M Buy
985,925
+22,284
+2% +$1.08M 0.03% 923
2015
Q2 		$45.8M Buy
963,641
+119,688
+14% +$6.61M 0.03% 955
2015
Q1 		$43.9M Buy
843,953
+89,597
+12% +$5.33M 0.03% 968
2014
Q4 		$50.2M Sell
754,356
-6,902
-0.9% -$428K 0.03% 750
2014
Q3 		$43.6M Sell
761,258
-135,329
-15% -$8.01M 0.03% 808
2014
Q2 		$50.9M Buy
896,587
+67,463
+8% +$3.64M 0.04% 694
2014
Q1 		$46.6M Buy
829,124
+23,251
+3% +$1.25M 0.03% 706
2013
Q4 		$45.3M Sell
805,873
-29,887
-4% -$1.48M 0.04% 689
2013
Q3 		$36.6M Buy
835,760
+44,047
+6% +$1.85M 0.03% 771
2013
Q2 		$35.5M Buy
+791,713
New +$31.9M 0.03% 709

Other funds holding STX

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Sanders Capital
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
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $645B AUM 30.41% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Dimensional Fund Advisors's STX Position: Q1 2026 in Review

Dimensional Fund Advisors reduced its Seagate (STX) stake by 7% in Q1 2026, selling an estimated $24.1M and leaving 836,018 shares worth $327M. The position accounts for 0.07% of the portfolio, ranked #319.

Dimensional Fund Advisors first reported a position in STX in Q2 2013 and has held it in 52 quarters since. 1,455 funds tracked by Wall St. Rank hold STX as of Q1 2026.

  • Dimensional Fund Advisors held 836,018 shares of Seagate worth $327M as of Q1 2026.
  • Dimensional Fund Advisors sold 63,048 Seagate shares in Q1 2026, an estimated $24.1M.
  • Seagate made up 0.07% of Dimensional Fund Advisors's portfolio in Q1 2026, its #319 holding.
  • Dimensional Fund Advisors first reported a position in Seagate in Q2 2013 and has held it in 52 quarters since.
  • 1,455 funds tracked by Wall St. Rank held Seagate as of Q1 2026.

Based on Dimensional Fund Advisors's 13F filing for Q1 2026, filed 7 May 2026.