Security Snapshot

Seagate Technology Holdings plc - Common Stock (STX) Institutional Ownership

CUSIP: G7997R103

13F Institutional Holders and Ownership History from Q1 2016 to Q2 2026

Latest Period

Q2 2026

Institutions Reporting

1,939

Shares (Excl. Options)

186,389,467

Price

$965.00

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Latest holder snapshot 5 signals
Portfolio coverage rank
0.11%
Share change
-705,354
Value change
-$82,391,375
Number of holders
1,939
Issuer context Names, identifiers, and filing context for this profile. 3 identity fields
Shares outstanding
224,124,551
SEC-reported price per share
$747.30
Insider filing price
$747.30
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors

Key facts

  • STX - Seagate Technology Holdings plc - Common Stock is tracked under CUSIP G7997R103.
  • 1939 institutions reported positions in Q2 2026.
  • 6 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 1,442 to 1,939 between Q1 2026 and Q2 2026.
  • SEC-reported value moved from $72,791,722,714 to $179,862,536,899.

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 1939 institutions filings for Q2 2026.

Open SEC evidence

Security key

G7997R103

Latest holder period

Q2 2026

13F holders

1,939

13D/G owners

6

CIK / CUSIP context first

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
6
Security
STX
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
VANGUARD CAPITAL MANAGEMENT LLC 7.5% $6,393,061,707 16,318,822 Vanguard Capital Management 31 Mar 2026
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
VANGUARD PORTFOLIO MANAGEMENT LLC 3.6% -30% $7,282,434,153 -$2,817,704,395 7,999,686 -28% Vanguard Portfolio Management 30 Jun 2026
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
Sanders Capital, LLC 1.6% -74% $3,182,860,887 -$8,683,671,357 3,496,343 -73% Sanders Capital, LLC 30 Jun 2026

As of 30 Jun 2026, 1,939 institutional investors reported holding 186,389,467 shares of Seagate Technology Holdings plc - Common Stock (STX). This represents 83% of the company’s total 224,124,551 outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
53%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BlackRock, Inc. 6.8% 15,166,793 +6.3% 0.22% $14,635,954,522
VANGUARD CAPITAL MANAGEMENT LLC 6.5% 14,630,067 +3.4% 0.3% $14,118,014,655
STATE STREET CORP 4.4% 9,911,669 +6.3% 0.28% $9,571,909,059
FMR LLC 3.6% 8,153,134 -0.29% 0.34% $7,867,773,075
VANGUARD PORTFOLIO MANAGEMENT LLC 3.6% 7,999,686 -28% 0.35% $7,719,696,990
Invesco Ltd. 3.4% 7,536,880 +65% 0.58% $7,273,089,113
WCM INVESTMENT MANAGEMENT, LLC 2.4% 5,320,463 +22% 9.3% $5,153,028,172
JPMORGAN CHASE & CO 2.3% 5,201,103 -22% 0.29% $5,037,427,733
GEODE CAPITAL MANAGEMENT, LLC 2.3% 5,155,435 +1.9% 0.26% $4,963,210,885
MORGAN STANLEY 2.1% 4,720,524 -0.81% 0.24% $4,555,308,471
Capital Research Global Investors 1.9% 4,326,781 -25% 0.58% $4,175,343,665
Sanders Capital, LLC 1.6% 3,487,219 -73% 3.4% $3,365,166,335
GOLDMAN SACHS GROUP INC 1.5% 3,440,106 -3.7% 0.35% $3,319,702,759
NORGES BANK 1.4% 3,095,723 0.3% $2,987,372,695
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 1.1% 2,557,718 +0.93% 0.85% $2,503,669,957
WELLINGTON MANAGEMENT GROUP LLP 1.1% 2,414,136 +2656% 0.4% $2,329,641,240
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.95% 2,138,429 +49% 0.92% $2,063,581,608
BANK OF AMERICA CORP /DE/ 0.94% 2,115,112 -37% 0.13% $2,041,083,341
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main 0.94% 2,108,402 -42% 1.6% $2,034,607,930
NORTHERN TRUST CORP 0.85% 1,902,241 +0.28% 0.21% $1,835,662,565
FRANKLIN RESOURCES INC 0.8% 1,798,079 -49% 0.38% $1,735,146,573
Jupiter Topco LLC 0.72% 1,608,436 0% 0.63% $1,552,062,598
DEUTSCHE BANK AG\ 0.71% 1,591,694 -9.5% 0.45% $1,535,984,710
Legal & General Group Plc 0.68% 1,530,731 +1.1% 0.31% $1,477,155,413
JANE STREET GROUP, LLC 0.66% 1,473,813 +7381% 0.91% $1,422,229,545

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
42
Latest
Q2 2026
Rows shown
1-25 of 42
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q2 186,389,467 $179,862,536,899 -$82,391,375 $965.00 1,939
2026 Q1 186,697,433 $72,791,722,714 -$965,221,879 $391.76 1,442
2025 Q4 188,900,893 $52,039,489,764 -$1,133,101,046 $275.39 1,257
2025 Q3 193,065,949 $45,534,953,646 -$703,176,878 $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
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