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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
Mission Wealth Management, LP5,254$1.24M0.03%−35−0.7%Reduced
PFG Investments, LLC5,220$1.23M0.06%+64+1.2%Added
QRG Capital Management, Inc.5,214$1.23M0.01%−4,839−48.1%Reduced
Integrated Wealth Concepts LLC5,160$1.22M0.01%−4,241−45.1%Reduced
Glenview Trust Co5,133$1.21M0.02%−88−1.7%Reduced
Berkshire Asset Management LLC5,132$1.21M0.05%+3+0.1%Added
Evergreen Capital Management LLC5,106$1.21M0.03%+358+7.5%Added
Adams Wealth Management5,134$1.21M0.26%−82−1.6%Reduced
CacheTech Inc.5,134$1.21M0.24%−82−1.6%Reduced
SPC Financial, Inc.5,082$1.20M0.09%−268−5.0%Reduced
Park Capital Management, LLC5,027$1.19M0.95%+1,116+28.5%Added
Bank of Hawaii5,025$1.19M0.06%+279+5.9%Added
TrueWealth Advisors, LLC5,002$1.18M0.32%+134+2.8%Added
Berkshire Bank4,998$1.18M0.25%−109−2.1%Reduced
Brown Advisory Inc4,982$1.18M0.00%−161−3.1%Reduced
Walleye Capital LLC4,900$1.16M0.01%−194−3.8%Reduced
Westpac Banking Corp4,886$1.15M0.07%+4,202+614.3%Added
Catalytic Wealth RIA, LLC4,879$1.15M0.04%+2,895+145.9%Added
Prudential PLC4,789$1.13M0.01%−440−8.4%Reduced
Sherman Porfolios, LLC4,756$1.12M0.40%+4,756New
Connable Office Inc4,662$1.10M0.10%+4,662New
HB Wealth Management, LLC4,652$1.10M0.01%+534+13.0%Added
Level Four Advisory Services, LLC4,629$1.09M0.04%+1,560+50.8%Added
IFG Advisory, LLC4,623$1.09M0.05%−141−3.0%Reduced
Penserra Capital Management LLC4,533$1.07M0.01%+3,447+317.4%Added
Partners Capital Investment Group, LLP4,508$1.06M0.04%00.0%Unchanged
Capital Investment Advisory Services, LLC4,496$1.06M0.08%−91−2.0%Reduced
Tema ETFs LLC4,476$1.06M0.09%+4,476New
Cooper Financial Group4,468$1.05M0.12%−426−8.7%Reduced
Signaturefd, LLC4,444$1.05M0.02%−643−12.6%Reduced
Bartlett & Co. Wealth Management LLC4,425$1.05M0.01%−468−9.6%Reduced
Empower Advisory Group, LLC4,403$1.04M0.00%+108+2.5%Added
Fiduciary Group LLC4,400$1.04M0.09%00.0%Unchanged
Beacon Investment Advisory Services, Inc.4,395$1.04M0.04%00.0%Unchanged
D.A. Davidson & Co.4,389$1.04M0.01%+1,644+59.9%Added
Wedbush Securities Inc4,338$1.02M0.03%+275+6.8%Added
Forum Financial Management, LP4,272$1.01M0.01%−121−2.8%Reduced
Everence Capital Management Inc4,226$998.0K0.06%+1,666+65.1%Added
Stratos Wealth Partners, LTD.4,206$993.1K0.01%+402+10.6%Added
Heritage Investors Management Corp4,175$986.0K0.03%00.0%Unchanged
Vestcor Inc4,103$969.0K0.03%00.0%Unchanged
SFMG, LLC4,085$964.3K0.07%+59+1.5%Added
MUFG Securities EMEA plc4,071$961.0K0.02%+3,447+552.4%Added
Nwam LLC4,412$949.7K0.05%+95+2.2%Added
ZWJ Investment Counsel Inc4,019$948.7K0.03%+19+0.5%Added
O'Neil Global Advisors, Inc.4,003$945.0K0.17%−14,965−78.9%Reduced
Forza Wealth Management, LLC4,002$944.7K0.36%00.0%Unchanged
Lombard Odier Asset Management (USA) Corp3,999$944.0K0.21%+3,999New
Parallel Advisors, LLC3,994$943.0K0.02%−60−1.5%Reduced
St Germain D J Co Inc3,930$927.7K0.04%00.0%Unchanged
Horizon Investments, LLC3,926$926.8K0.01%+622+18.8%Added
Ballentine Partners, LLC3,917$924.6K0.01%−19−0.5%Reduced
Steel Peak Wealth Management LLC3,889$920.8K0.03%+3,889New
Cherokee Insurance Co3,900$920.6K0.39%00.0%Unchanged
Principal Securities, Inc.3,899$920.4K0.02%−358−8.4%Reduced
CIBC Private Wealth Group, LLC3,882$916.4K0.00%+250+6.9%Added
Independent Advisor Alliance3,881$916.1K0.02%−35−0.9%Reduced
Choate Investment Advisors3,880$915.9K0.02%00.0%Unchanged
Whitaker-Myers Wealth Managers, LTD.3,871$913.8K0.20%+3,871New
Knights of Columbus Asset Advisors LLC3,855$910.0K0.05%+3,855New
Wealthspire Advisors, LLC3,830$904.2K0.00%−382−9.1%Reduced
Riverview Trust Co3,829$903.9K1.09%00.0%Unchanged
Rexford Capital Inc3,821$902.0K0.70%00.0%Unchanged
Blair William & Co3,798$896.6K0.00%+12+0.3%Added
Vise Technologies, Inc.3,778$891.8K0.03%+694+22.5%Added
Stephens Inc3,771$890.2K0.01%−317−7.8%Reduced
Counterweight Ventures, LLC3,750$885.2K0.52%00.0%Unchanged
Two Sigma Investments, LP3,748$884.8K0.00%−4,496−54.5%Reduced
Eagle Rock Investment Company, LLC3,747$884.6K0.13%+747+24.9%Added
Safeguard Investment Advisory Group, LLC3,746$884.5K0.22%−143−3.7%Reduced
Kornitzer Capital Management Inc3,700$873.4K0.02%+600+19.4%Added
RFG Advisory, LLC3,664$864.9K0.02%+12+0.3%Added
Profund Advisors LLC3,631$857.1K0.03%+384+11.8%Added
Assetmark, Inc3,609$852.0K0.00%+484+15.5%Added
Savant Capital, LLC3,575$843.9K0.01%+200+5.9%Added
Cornerstone Wealth Group, LLC3,510$828.7K0.06%+57+1.7%Added
Angeles Wealth Management, LLC3,494$824.8K0.05%+9+0.3%Added
Alpha Family Trust3,485$822.7K0.39%00.0%Unchanged
Veracity Capital LLC3,454$815.5K0.26%−306−8.1%Reduced
Texas Yale Capital Corp.3,450$814.4K0.03%−910−20.9%Reduced
Quantbot Technologies LP3,450$814.4K0.02%−221−6.0%Reduced
Geneos Wealth Management Inc.3,449$814.2K0.02%−833−19.5%Reduced
Exchange Traded Concepts, LLC3,448$813.9K0.01%+994+40.5%Added
Checchi Capital Advisers, LLC3,395$801.4K0.06%−430−11.2%Reduced
Venturi Wealth Management, LLC3,394$801.2K0.04%+873+34.6%Added
Moneta Group Investment Advisors LLC3,381$798.1K0.01%−658−16.3%Reduced
Prosperity Consulting Group, LLC3,378$797.3K0.04%+23+0.7%Added
Moody National Bank Trust Division3,357$792.5K0.07%−1,268−27.4%Reduced
NorthRock Partners, LLC3,345$789.7K0.01%−361−9.7%Reduced
SBI Securities Co., Ltd.3,328$785.6K0.02%+994+42.6%Added
Boston Private Wealth LLC3,318$783.3K0.04%+74+2.3%Added
Salvus Wealth Management, LLC3,312$781.8K0.44%−104−3.0%Reduced
Voleon Capital Management LP3,309$781.1K0.02%−7,517−69.4%Reduced
Stiles Financial Services Inc3,288$776.2K0.24%−287−8.0%Reduced
XTX Topco Ltd3,246$766.3K0.04%+3,246New
Old National Bancorp3,245$766.0K0.01%+1,271+64.4%Added
K.J. Harrison & Partners Inc3,000$764.2K0.11%+3,000New
MAI Capital Management3,219$759.8K0.00%−356−10.0%Reduced
Vontobel Holding Ltd.3,335$759.5K0.00%−1,992−37.4%Reduced
Armis Advisers, LLC2,838$753.6K0.07%+73+2.6%Added