Seagate Technology Holdings plc - Ordinary Shares, par value $0.00001 per share (STX) Institutional Ownership

13F Institutional Holders and Ownership History from Q1 2016 to Q4 2025

Type / Class
Equity / Ordinary Shares, par value $0.00001 per share
Symbol
STX on Nasdaq
Shares outstanding
216,365,600
Price per share
$446.57
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
188,383,337
Total reported value
$51,896,585,345
% of total 13F portfolios
0.04%
Share change
-4,642,672
Value change
-$1,171,819,199
Number of holders
1,230
Price from insider filings
$446.57
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Seagate Technology Holdings plc - Ordinary Shares, par value $0.00001 per share (STX) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
VANGUARD GROUP INC 13% $2,322,967,852 27,974,083 The Vanguard Group 31 Dec 2024
Sanders Capital, LLC 8.9% $1,569,675,724 18,902,646 Sanders Capital, LLC 31 Mar 2025
BlackRock, Inc. 6.1% $1,075,725,072 12,954,300 BlackRock, Inc. 31 Mar 2025
JPMORGAN CHASE & CO 4% -27% $2,043,010,541 -$783,578,980 8,654,624 -28% JPMORGAN CHASE & CO. 31 Oct 2025
Capital Research Global Investors 3.4% -57% $1,053,899,190 -$1,203,358,719 7,293,420 -53% Capital Research Global Investors 30 Jun 2025

As of 31 Dec 2025, 1,230 institutional investors reported holding 188,383,337 shares of Seagate Technology Holdings plc - Ordinary Shares, par value $0.00001 per share (STX). This represents 87% of the company’s total 216,365,600 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Seagate Technology Holdings plc - Ordinary Shares, par value $0.00001 per share (STX) together control 64% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
VANGUARD GROUP INC 13% 28,119,431 -0.07% 0.11% $7,743,810,104
Sanders Capital, LLC 7.9% 17,180,892 -2.1% 5.4% $4,731,445,848
BlackRock, Inc. 7.4% 16,116,926 +12% 0.08% $4,438,440,190
STATE STREET CORP 4.3% 9,370,805 +1% 0.09% $2,587,534,836
JPMORGAN CHASE & CO 3.2% 6,997,975 -50% 0.13% $1,927,172,718
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main 2.5% 5,416,242 +447% 1.3% $1,491,578,884
MORGAN STANLEY 2.5% 5,317,516 +5.1% 0.09% $1,464,391,492
WCM INVESTMENT MANAGEMENT, LLC 2.4% 5,154,872 -0.54% 3% $1,443,776,642
GEODE CAPITAL MANAGEMENT, LLC 2.3% 4,896,815 +5% 0.08% $1,343,682,936
Capital Research Global Investors 2.1% 4,511,989 -27% 0.23% $1,242,556,651
BANK OF AMERICA CORP /DE/ 2% 4,280,605 -44% 0.09% $1,178,836,003
FRANKLIN RESOURCES INC 1.9% 4,026,126 -50% 0.27% $1,108,754,931
FMR LLC 1.7% 3,759,659 +90% 0.05% $1,035,372,166
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 1.5% 3,193,063 +8.3% 0.52% $879,337,620
GOLDMAN SACHS GROUP INC 1.3% 2,755,291 -26% 0.11% $758,779,570
Invesco Ltd. 1.2% 2,558,925 +41% 0.11% $704,702,348
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 0.93% 2,008,516 +1510% 0.18% $553,125,222
NORTHERN TRUST CORP 0.88% 1,900,632 -1% 0.07% $523,415,048
NORGES BANK 0.84% 1,809,661 0.05% $498,362,543
DEUTSCHE BANK AG\ 0.74% 1,599,962 +102% 0.14% $440,613,535
Legal & General Group Plc 0.7% 1,524,131 -0.75% 0.09% $419,730,430
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.68% 1,480,324 +1.7% 0.09% $407,666,428
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.64% 1,377,792 +0.52% 0.06% $379,430,139
Bank of New York Mellon Corp 0.57% 1,241,951 +19% 0.06% $342,020,930
Polar Capital Holdings Plc 0.57% 1,229,410 -17% 1.5% $338,567,220

Institutional Holders of Seagate Technology Holdings plc - Ordinary Shares, par value $0.00001 per share (STX) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 188,383,337 $51,896,585,345 -$1,171,819,199 $275.39 1,230
2025 Q3 193,077,535 $45,537,688,637 -$702,734,264 $236.06 1,109
2025 Q2 198,303,508 $28,623,121,850 +$165,686,004 $144.33 938
2025 Q1 197,975,305 $16,816,730,653 +$579,391,737 $84.95 781
2024 Q4 190,944,216 $16,490,696,630 +$298,387,472 $86.31 793
2024 Q3 185,559,221 $20,326,929,703 -$108,518,988 $109.53 808
2024 Q2 186,034,687 $19,213,706,213 +$221,208,569 $103.27 786
2024 Q1 183,669,460 $17,091,466,222 -$417,093,425 $93.05 752
2023 Q4 189,039,415 $16,142,137,882 +$362,508,690 $85.37 716
2023 Q3 185,047,646 $12,210,697,589 +$587,990,433 $65.95 641
2023 Q2 175,617,730 $10,875,100,616 -$192,421,763 $61.87 642
2023 Q1 179,751,253 $11,889,176,772 +$331,438,194 $66.12 652
2022 Q4 175,067,791 $9,216,833,638 +$175,905,788 $52.61 619
2022 Q3 171,957,786 $9,166,285,500 -$77,458,498 $53.23 625
2022 Q2 172,173,749 $12,308,601,774 +$265,113,242 $71.44 680
2022 Q1 168,171,646 $15,118,395,260 -$879,738,411 $89.90 664
2021 Q4 177,311,403 $20,028,653,773 -$283,294,599 $112.98 763
2021 Q3 180,053,969 $14,860,206,796 +$227,757,161 $82.52 659
2021 Q2 177,500,660 $15,598,767,579 +$15,546,269,137 $87.93 632
2021 Q1 51,779 $4,012,012 +$3,505,355 $76.76 6
2020 Q4 6,169 $459,872 +$870 $62.16 4
2020 Q3 5,727 $397,542 $49.27 3
2020 Q2 5,877 $406,176 $60.87 4
2020 Q1 5,727 $396,249 -$27,805 $48.80 3
2019 Q4 6,198 $453,447 -$209,735 $59.51 4
2019 Q3 10,052 $645,496 +$209,735 $54.42 5
2019 Q2 6,198 $413,439 $47.12 4
2019 Q1 6,198 $416,554 -$18,933 $48.16 4
2018 Q4 3,613 $139,007 +$21,838 $38.59 3
2018 Q3 3,040 $143,739 +$14,000 $47.35 3
2018 Q2 2,740 $154,728 -$19,000 $56.47 2
2018 Q1 3,065 $179,345 +$158,004 $58.52 3
2017 Q4 365 $15,674 -$1,559 $42.46 2
2017 Q3 412 $13,886 -$4,081 $33.18 3
2017 Q2 533 $20,186 -$116 $38.76 3
2017 Q1 536 $25,099 +$138 $45.95 3
2016 Q4 533 $20,122 +$687 $38.17 3
2016 Q3 425 $16,000 $37.65 1
2016 Q2 425 $10,000 $23.53 1
2016 Q1 425 $15,000 $35.29 1