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Seagate Technology Holdings plc

STX
Exchange
Nasdaq
Industry
Computer Storage Devices
SEC CIK
0001137789

In the last 90 days, Seagate Technology Holdings plc insiders filed 0 open-market purchases and 32 sales; 1,973 institutions reported holding it in 13F filings for Q2 2026, worth $181.1B in total; 5 superinvestors hold it, including Lone Pine Capital and Tiger Global Management.

13F holders, Q3 2025

Institutional positions in Seagate Technology Holdings plc as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
1,126
+193 vs. Q2 2025
Shares held
194.2M
−3.26M (−1.6%) vs. Q2 2025
Total value
$45.8B
+$17.3B (+60.5%) vs. Q2 2025
New holders
276
370 more added
Sold out
83
323 more reduced

23 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting STX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2025: 1,126 institutions
Q1 2021: 678 institutionsQ2 2021: 679 institutionsQ3 2021: 694 institutionsQ4 2021: 794 institutionsQ1 2022: 703 institutionsQ2 2022: 714 institutionsQ3 2022: 666 institutionsQ4 2022: 643 institutionsQ1 2023: 673 institutionsQ2 2023: 660 institutionsQ3 2023: 657 institutionsQ4 2023: 730 institutionsQ1 2024: 768 institutionsQ2 2024: 799 institutionsQ3 2024: 821 institutionsQ4 2024: 806 institutionsQ1 2025: 801 institutionsQ2 2025: 956 institutionsQ3 2025: 1,126 institutionsQ4 2025: 1,280 institutionsQ1 2026: 1,472 institutionsQ2 2026: 1,973 institutions
Value heldQ3 2025: $45.8B
Q1 2021: $15.5BQ2 2021: $16.2BQ3 2021: $15.2BQ4 2021: $20.4BQ1 2022: $15.4BQ2 2022: $12.5BQ3 2022: $9.29BQ4 2022: $9.40BQ1 2023: $12.1BQ2 2023: $11.0BQ3 2023: $12.3BQ4 2023: $16.2BQ1 2024: $17.2BQ2 2024: $19.3BQ3 2024: $20.4BQ4 2024: $16.6BQ1 2025: $16.9BQ2 2025: $28.8BQ3 2025: $45.8BQ4 2025: $53.5BQ1 2026: $74.2BQ2 2026: $181.1B
Institutions holding STX and their total value by quarter
QuarterHoldersValue
Q2 20261,973$181.1B
Q1 20261,472$74.2B
Q4 20251,280$53.5B
Q3 20251,126$45.8B
Q2 2025956$28.8B
Q1 2025801$16.9B
Q4 2024806$16.6B
Q3 2024821$20.4B
Q2 2024799$19.3B
Q1 2024768$17.2B
Q4 2023730$16.2B
Q3 2023657$12.3B
Q2 2023660$11.0B
Q1 2023673$12.1B
Q4 2022643$9.40B
Q3 2022666$9.29B
Q2 2022714$12.5B
Q1 2022703$15.4B
Q4 2021794$20.4B
Q3 2021694$15.2B
Q2 2021679$16.2B
Q1 2021678$15.5B

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding Seagate Technology Holdings plc; share changes are against Q2 2025.

Institutions holding STX in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Manchester Capital Management LLC199$47.0K0.01%+2+1.0%Added
Ameriflex Group, Inc.196$46.3K0.02%+77+64.7%Added
Hemington Wealth Management195$46.0K0.01%+11+6.0%Added
United Financial Planning Group LLC189$44.6K0.03%+189New
Colonial Trust Co193$44.3K0.01%+59+44.0%Added
Harbor Asset Planning, Inc.187$44.1K0.04%00.0%Unchanged
Delta Asset Management LLC183$43.2K0.00%00.0%Unchanged
JFS Wealth Advisors, LLC177$41.8K0.00%00.0%Unchanged
Front Row Advisors LLC175$41.4K0.01%−50−22.2%Reduced
MV Capital Management, Inc.171$40.4K0.00%00.0%Unchanged
United Community Bank169$39.9K0.01%+44+35.2%Added
Larson Financial Group LLC166$39.2K0.00%+49+41.9%Added
Bryn Mawr Trust Co161$38.0K0.00%−465−74.3%Reduced
Palisade Asset Management, LLC156$36.8K0.00%+156New
Ameritas Advisory Services, LLC150$35.4K0.00%−377−71.5%Reduced
UMA Financial Services, Inc.148$34.9K0.00%+45+43.7%Added
First Horizon Corp141$33.3K0.00%+141New
Raiffeisen Bank International AG145$33.2K0.00%+145New
Rise Advisors, LLC138$32.6K0.01%+6+4.5%Added
Washington Trust Advisors, Inc.137$32.3K0.00%+17+14.2%Added
Estabrook Capital Management127$30.0K0.00%00.0%Unchanged
Bangor Savings Bank125$29.5K0.00%−7,453−98.4%Reduced
Solstein Capital, LLC125$29.5K0.01%00.0%Unchanged
Financial Perspectives, Inc122$28.8K0.01%00.0%Unchanged
Stone House Investment Management, LLC118$27.9K0.00%00.0%Unchanged
American National Bank117$27.6K0.00%00.0%Unchanged
Quest 10 Wealth Builders, Inc.115$27.1K0.03%00.0%Unchanged
Rosenberg Matthew Hamilton107$25.3K0.01%00.0%Unchanged
Abound Wealth Management106$25.0K0.01%00.0%Unchanged
Wolff Wiese Magana LLC106$25.0K0.01%−22−17.2%Reduced
N.E.W. Advisory Services LLC106$25.0K0.00%00.0%Unchanged
North Star Investment Management Corp.103$24.3K0.00%+3+3.0%Added
JPL Wealth Management, LLC101$23.8K0.01%+101New
Gen-Wealth Partners Inc100$23.6K0.01%−1,265−92.7%Reduced
Hurley Capital, LLC100$23.6K0.01%00.0%Unchanged
Berbice Capital Management LLC100$23.6K0.01%+100New
Mountain Hill Investment Partners Corp.100$23.6K0.02%+100New
Westfuller Advisors, LLC95$22.5K0.01%+95New
Decker Retirement Planning Inc.92$21.7K0.01%−25,300−99.6%Reduced
Laurion Capital Management LP90$21.2K0.00%+90New
Boreal Capital Management LLC0$21.1K0.02%0New
Ogorek Anthony Joseph87$20.0K0.01%+1+1.2%Added
Maseco LLP81$19.2K0.00%00.0%Unchanged
Pinnacle Bancorp, Inc.81$19.1K0.01%−23−22.1%Reduced
Atlantic Union Bankshares Corp80$18.9K0.00%+23+40.4%Added
Center for Financial Planning, Inc.80$18.9K0.00%00.0%Unchanged
REAP Financial Group, LLC77$18.2K0.00%+77New
Sofos Investments, Inc.76$17.9K0.00%+76New
Bell Investment Advisors, Inc75$17.7K0.00%−54−41.9%Reduced
Legacy Wealth Managment, LLC75$17.7K0.01%00.0%Unchanged
WealthCollab, LLC73$17.2K0.01%00.0%Unchanged
Imprint Wealth LLC72$17.0K0.05%+72New
North Capital, Inc.71$16.8K0.01%+7+10.9%Added
Addison Advisors LLC69$16.3K0.00%00.0%Unchanged
DiNuzzo Private Wealth, Inc.97$16.2K0.00%00.0%Unchanged
IMG Wealth Management, Inc.68$16.1K0.01%00.0%Unchanged
LRI Investments, LLC67$15.9K0.00%00.0%Unchanged
GHP Investment Advisors, Inc.66$15.6K0.00%00.0%Unchanged
Medallion Wealth Advisors, LLC64$15.1K0.01%00.0%Unchanged
Mark Sheptoff Financial Planning, LLC100$15.0K0.01%00.0%Unchanged
Strengthening Families & Communities, LLC58$13.9K0.00%−1−1.7%Reduced
Smithfield Trust Co50$12.0K0.00%00.0%Unchanged
Trust Co of Vermont50$11.8K0.00%00.0%Unchanged
Fortitude Family Office, LLC49$11.6K0.00%+5+11.4%Added
Kilter Group LLC48$11.3K0.01%−3−5.9%Reduced
Sachetta, LLC47$11.1K0.00%00.0%Unchanged
BankPlus Trust Department47$11.1K0.00%+47New
Capital Analysts, LLC48$11.0K0.00%−3−5.9%Reduced
Marshall & Sterling Wealth Advisors Inc.46$10.9K0.01%00.0%Unchanged
Howard Hughes Medical Institute45$10.6K0.01%00.0%Unchanged
Pittenger & Anderson Inc45$10.6K0.00%+45New
Atwood & Palmer Inc44$10.4K0.00%00.0%Unchanged
Salomon & Ludwin, LLC41$10.4K0.00%+41New
Winch Advisory Services, LLC41$9.57K0.00%+1+2.5%Added
J.Safra Asset Management Corp40$9.44K0.00%+40New
Capital Advisors, Ltd. LLC40$9.00K0.00%00.0%Unchanged
Tidemark, LLC37$8.73K0.00%00.0%Unchanged
Raffa Wealth Management, LLC36$8.50K0.00%−22−37.9%Reduced
Atlantic Edge Private Wealth Management, LLC35$8.26K0.00%+35New
Dogwood Wealth Management LLC35$8.26K0.00%+15+75.0%Added
Van Eck Associates Corp36$8.00K0.00%+36New
First Pacific Financial30$7.08K0.00%00.0%Unchanged
Mowery & Schoenfeld Wealth Management, LLC30$7.08K0.01%00.0%Unchanged
Logan Capital Management Inc26$6.04K0.00%+1+4.0%Added
Avion Wealth23$5.00K0.00%+5+27.8%Added
Marquette Asset Management, LLC21$4.96K0.00%+21New
Key Financial Inc19$4.88K0.00%00.0%Unchanged
Byrne Asset Management LLC20$4.72K0.00%+20New
Dunhill Financial, LLC18$4.33K0.00%00.0%Unchanged
Golden State Wealth Management, LLC18$4.25K0.00%00.0%Unchanged
ORG Partners LLC17$4.01K0.00%+14+466.7%Added
Hughes Financial Services, LLC13$3.82K0.00%00.0%Unchanged
SJS Investment Consulting Inc.16$3.78K0.00%00.0%Unchanged
Aspect Partners, LLC15$3.54K0.00%+7+87.5%Added
Cornerstone Planning Group LLC100$3.36K0.00%+87+669.2%Added
CBIZ Investment Advisory Services, LLC14$3.31K0.00%+3+27.3%Added
Rialto Wealth Management, LLC14$3.31K0.00%+1+7.7%Added
Abich Financial Wealth Management LLC14$3.31K0.00%+14New
Binnacle Investments Inc13$3.07K0.00%00.0%Unchanged
Clark Wealth Partners11$3.03K0.00%+11New