Skip to main content
Livermore
Livermore
ZHEN

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 34 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
High Note Wealth, LLC1$2360.00%+1New
Silicon Valley Capital Partners2$4210.00%00.0%Unchanged
Davis Capital Management2$4720.00%+2New
Beaird Harris Wealth Management, LLC2$4730.00%+2New
Prestige Wealth Management Group LLC2$4740.00%+2New
PEAK6 LLC3$6380.00%+3New
Cape Investment Advisory, Inc.3$7080.00%+1+50.0%Added
American Capital Advisory, LLC3$7090.00%00.0%Unchanged
Breakwater Investment Management3$7090.00%+3New
Seneschal Advisors, LLC3$7090.00%+3New
WestEnd Advisors, LLC4$9440.00%+1+33.3%Added
Principia Wealth Advisory, LLC4$9440.00%+1+33.3%Added
Wealth Watch Advisors, INC4$9440.00%+4New
Retirement Wealth Solutions LLC4$9450.00%+4New
HFM Investment Advisors, LLC5$1.18K0.00%+1+25.0%Added
Aster Capital Management (DIFC) Ltd5$1.18K0.00%+5New
Bare Financial Services, Inc6$1.42K0.00%00.0%Unchanged
Mascoma Wealth Management LLC7$1.65K0.00%00.0%Unchanged
Texas Capital Bancshares Inc7$1.65K0.00%+7New
Quaker Wealth Management, LLC7$1.65K0.00%−800−99.1%Reduced
Valued Wealth Advisors LLC10$2.37K0.00%00.0%Unchanged
Transamerica Financial Advisors, Inc.10$2.37K0.00%+10New
Bay Harbor Wealth Management, LLC11$2.60K0.00%+3+37.5%Added
Trifecta Capital Advisors, LLC12$2.83K0.00%00.0%Unchanged
Avalon Trust Co12$2.83K0.00%+12New
Annis Gardner Whiting Capital Advisors, LLC12$2.84K0.00%−35−74.5%Reduced
Clark Wealth Partners11$3.03K0.00%+11New
Binnacle Investments Inc13$3.07K0.00%00.0%Unchanged
Rialto Wealth Management, LLC14$3.31K0.00%+1+7.7%Added
Abich Financial Wealth Management LLC14$3.31K0.00%+14New
CBIZ Investment Advisory Services, LLC14$3.31K0.00%+3+27.3%Added
Cornerstone Planning Group LLC100$3.36K0.00%+87+669.2%Added
Aspect Partners, LLC15$3.54K0.00%+7+87.5%Added
SJS Investment Consulting Inc.16$3.78K0.00%00.0%Unchanged
Hughes Financial Services, LLC13$3.82K0.00%00.0%Unchanged
ORG Partners LLC17$4.01K0.00%+14+466.7%Added
Golden State Wealth Management, LLC18$4.25K0.00%00.0%Unchanged
Dunhill Financial, LLC18$4.33K0.00%00.0%Unchanged
Byrne Asset Management LLC20$4.72K0.00%+20New
Key Financial Inc19$4.88K0.00%00.0%Unchanged
Marquette Asset Management, LLC21$4.96K0.00%+21New
Avion Wealth23$5.00K0.00%+5+27.8%Added
Logan Capital Management Inc26$6.04K0.00%+1+4.0%Added
First Pacific Financial30$7.08K0.00%00.0%Unchanged
Mowery & Schoenfeld Wealth Management, LLC30$7.08K0.01%00.0%Unchanged
Van Eck Associates Corp36$8.00K0.00%+36New
Dogwood Wealth Management LLC35$8.26K0.00%+15+75.0%Added
Atlantic Edge Private Wealth Management, LLC35$8.26K0.00%+35New
Raffa Wealth Management, LLC36$8.50K0.00%−22−37.9%Reduced
Tidemark, LLC37$8.73K0.00%00.0%Unchanged
Capital Advisors, Ltd. LLC40$9.00K0.00%00.0%Unchanged
J.Safra Asset Management Corp40$9.44K0.00%+40New
Winch Advisory Services, LLC41$9.57K0.00%+1+2.5%Added
Salomon & Ludwin, LLC41$10.4K0.00%+41New
Atwood & Palmer Inc44$10.4K0.00%00.0%Unchanged
Howard Hughes Medical Institute45$10.6K0.01%00.0%Unchanged
Pittenger & Anderson Inc45$10.6K0.00%+45New
Marshall & Sterling Wealth Advisors Inc.46$10.9K0.01%00.0%Unchanged
Capital Analysts, LLC48$11.0K0.00%−3−5.9%Reduced
Sachetta, LLC47$11.1K0.00%00.0%Unchanged
BankPlus Trust Department47$11.1K0.00%+47New
Kilter Group LLC48$11.3K0.01%−3−5.9%Reduced
Fortitude Family Office, LLC49$11.6K0.00%+5+11.4%Added
Trust Co of Vermont50$11.8K0.00%00.0%Unchanged
Smithfield Trust Co50$12.0K0.00%00.0%Unchanged
Strengthening Families & Communities, LLC58$13.9K0.00%−1−1.7%Reduced
Mark Sheptoff Financial Planning, LLC100$15.0K0.01%00.0%Unchanged
Medallion Wealth Advisors, LLC64$15.1K0.01%00.0%Unchanged
GHP Investment Advisors, Inc.66$15.6K0.00%00.0%Unchanged
LRI Investments, LLC67$15.9K0.00%00.0%Unchanged
IMG Wealth Management, Inc.68$16.1K0.01%00.0%Unchanged
DiNuzzo Private Wealth, Inc.97$16.2K0.00%00.0%Unchanged
Addison Advisors LLC69$16.3K0.00%00.0%Unchanged
North Capital, Inc.71$16.8K0.01%+7+10.9%Added
Imprint Wealth LLC72$17.0K0.05%+72New
WealthCollab, LLC73$17.2K0.01%00.0%Unchanged
Bell Investment Advisors, Inc75$17.7K0.00%−54−41.9%Reduced
Legacy Wealth Managment, LLC75$17.7K0.01%00.0%Unchanged
Sofos Investments, Inc.76$17.9K0.00%+76New
REAP Financial Group, LLC77$18.2K0.00%+77New
Center for Financial Planning, Inc.80$18.9K0.00%00.0%Unchanged
Atlantic Union Bankshares Corp80$18.9K0.00%+23+40.4%Added
Pinnacle Bancorp, Inc.81$19.1K0.01%−23−22.1%Reduced
Maseco LLP81$19.2K0.00%00.0%Unchanged
Ogorek Anthony Joseph87$20.0K0.01%+1+1.2%Added
Boreal Capital Management LLC0$21.1K0.02%0New
Laurion Capital Management LP90$21.2K0.00%+90New
Decker Retirement Planning Inc.92$21.7K0.01%−25,300−99.6%Reduced
Westfuller Advisors, LLC95$22.5K0.01%+95New
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
JPL Wealth Management, LLC101$23.8K0.01%+101New
North Star Investment Management Corp.103$24.3K0.00%+3+3.0%Added
N.E.W. Advisory Services LLC106$25.0K0.00%00.0%Unchanged
Wolff Wiese Magana LLC106$25.0K0.01%−22−17.2%Reduced
Abound Wealth Management106$25.0K0.01%00.0%Unchanged
Rosenberg Matthew Hamilton107$25.3K0.01%00.0%Unchanged
Quest 10 Wealth Builders, Inc.115$27.1K0.03%00.0%Unchanged