Wellington Management Group
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Wellington Management Group’s Seagate STX Stock Holding History

Wellington Management Group’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 		$34.3M Sell
87,598
-42,018
-32% -$16M 0.01% 842
2025
Q4 		$35.7M Buy
129,616
+8,904
+7% +$2.31M 0.01% 832
2025
Q3 		$28.5M Sell
120,712
-104,159
-46% -$17.8M 0.01% 900
2025
Q2 		$32.5M Sell
224,871
-709,125
-76% -$73.4M 0.01% 801
2025
Q1 		$79.3M Buy
933,996
+906,840
+3,339% +$85.7M 0.02% 567
2024
Q4 		$2.34M Sell
27,156
-1,862
-6% -$187K ﹤0.01% 1539
2024
Q3 		$3.18M Sell
29,018
-3,361
-10% -$344K ﹤0.01% 1435
2024
Q2 		$3.34M Sell
32,379
-3,973,145
-99% -$371M ﹤0.01% 1403
2024
Q1 		$373M Sell
4,005,524
-334,409
-8% -$29.4M 0.07% 280
2023
Q4 		$371M Sell
4,339,933
-41,564
-0.9% -$3.1M 0.07% 270
2023
Q3 		$289M Buy
4,381,497
+127,214
+3% +$8.19M 0.06% 293
2023
Q2 		$263M Buy
4,254,283
+543,248
+15% +$33.2M 0.05% 332
2023
Q1 		$245M Buy
+3,711,035
New +$236M 0.05% 345
2022
Q4 		– Sell
-12,553
Closed -$668K – 2114
2022
Q3 		$668K Buy
12,553
+9,413
+300% +$680K ﹤0.01% 1723
2022
Q2 		$224K Sell
3,140
-6,368
-67% -$517K ﹤0.01% 1997
2022
Q1 		$855K Sell
9,508
-75,742
-89% -$7.75M ﹤0.01% 1765
2021
Q4 		$9.63M Sell
85,250
-1,275,859
-94% -$124M ﹤0.01% 1262
2021
Q3 		$112M Buy
1,361,109
+160,638
+13% +$14M 0.02% 591
2021
Q2 		$106M Buy
1,200,471
+471,874
+65% +$42.5M 0.02% 615
2021
Q1 		$55.9M Buy
728,597
+717,420
+6,419% +$49.9M 0.01% 766
2020
Q4 		$695K Sell
11,177
-456
-4% -$25.6K ﹤0.01% 1670
2020
Q3 		$573K Sell
11,633
-34,002
-75% -$1.6M ﹤0.01% 1675
2020
Q2 		$2.21M Sell
45,635
-24,791
-35% -$1.24M ﹤0.01% 1348
2020
Q1 		$3.44M Sell
70,426
-97,323
-58% -$5.2M ﹤0.01% 1273
2019
Q4 		$9.98M Buy
167,749
+76,069
+83% +$4.37M ﹤0.01% 1164
2019
Q3 		$4.93M Buy
91,680
+19,787
+28% +$971K ﹤0.01% 1358
2019
Q2 		$3.39M Buy
71,893
+51,390
+251% +$2.39M ﹤0.01% 1475
2019
Q1 		$982K Sell
20,503
-555,839
-96% -$24.7M ﹤0.01% 1775
2018
Q4 		$22.2M Sell
576,342
-288,481
-33% -$12.1M 0.01% 964
2018
Q3 		$40.9M Buy
864,823
+326,529
+61% +$17.5M 0.01% 870
2018
Q2 		$30.4M Buy
538,294
+357,138
+197% +$20.7M 0.01% 947
2018
Q1 		$10.6M Sell
181,156
-193,530
-52% -$10.3M ﹤0.01% 1261
2017
Q4 		$15.7M Buy
374,686
+233,462
+165% +$8.92M ﹤0.01% 1137
2017
Q3 		$4.68M Sell
141,224
-95,199
-40% -$3.23M ﹤0.01% 1494
2017
Q2 		$9.16M Sell
236,423
-2,258,683
-91% -$98.6M ﹤0.01% 1244
2017
Q1 		$115M Sell
2,495,106
-4,364,841
-64% -$194M 0.03% 458
2016
Q4 		$262M Sell
6,859,947
-4,498,370
-40% -$168M 0.07% 262
2016
Q3 		$438M Buy
11,358,317
+4,222,263
+59% +$137M 0.11% 196
2016
Q2 		$174M Buy
7,136,054
+7,064,504
+9,874% +$171M 0.04% 343
2016
Q1 		$2.46M Buy
71,550
+42,476
+146% +$1.37M ﹤0.01% 1549
2015
Q4 		$1.06M Buy
+29,074
New +$1.11M ﹤0.01% 1812
2015
Q1 		– Sell
-17,502
Closed -$1.16M – 2236
2014
Q4 		$1.16M Buy
17,502
+3,550
+25% +$220K ﹤0.01% 1826
2014
Q3 		$799K Buy
13,952
+5,019
+56% +$297K ﹤0.01% 1878
2014
Q2 		$508K Sell
8,933
-8,806
-50% -$475K ﹤0.01% 1963
2014
Q1 		$996K Sell
17,739
-6,025
-25% -$323K ﹤0.01% 1827
2013
Q4 		$1.33M Buy
23,764
+6,974
+42% +$345K ﹤0.01% 1786
2013
Q3 		$735K Sell
16,790
-279,624
-94% -$11.8M ﹤0.01% 1875
2013
Q2 		$13.3M Buy
+296,414
New +$11.9M ﹤0.01% 1096

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

Wellington Management Group's STX Position: Q1 2026 in Review

Wellington Management Group reduced its Seagate (STX) stake by 32% in Q1 2026, selling an estimated $16M and leaving 87,598 shares worth $34.3M. The position accounts for 0.01% of the portfolio, ranked #842.

Wellington Management Group first reported a position in STX in Q2 2013 and has held it in 48 quarters since. The position peaked at $438M in Q3 2016. 1,455 funds tracked by Wall St. Rank hold STX as of Q1 2026.

  • Wellington Management Group held 87,598 shares of Seagate worth $34.3M as of Q1 2026.
  • Wellington Management Group sold 42,018 Seagate shares in Q1 2026, an estimated $16M.
  • Seagate made up 0.01% of Wellington Management Group's portfolio in Q1 2026, its #842 holding.
  • Wellington Management Group first reported a position in Seagate in Q2 2013 and has held it in 48 quarters since.
  • Wellington Management Group's Seagate position peaked at $438M in Q3 2016.
  • 1,455 funds tracked by Wall St. Rank held Seagate as of Q1 2026.

Based on Wellington Management Group's 13F filing for Q1 2026, filed 15 May 2026.