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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, Q4 2025

Institutional positions in Seagate Technology Holdings plc as of Dec 31, 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
1,280
+170 vs. Q3 2025
Shares held
194.4M
+515.6K (+0.3%) vs. Q3 2025
Total value
$53.5B
+$7.82B (+17.1%) vs. Q3 2025
New holders
256
448 more added
Sold out
86
408 more reduced

16 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2025: 1,280 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 heldQ4 2025: $53.5B
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, Q4 2025

Shares, value and share of portfolio for each institution holding Seagate Technology Holdings plc; share changes are against Q3 2025.

Institutions holding STX in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Windward Capital Management Co52,255$14.4M1.14%−3,637−6.5%Reduced
Atika Capital Management LLC51,907$14.3M1.99%−66,189−56.0%Reduced
Twin Lakes Capital Management, LLC51,850$14.3M6.34%−617−1.2%Reduced
Sumitomo Mitsui DS Asset Management Company, Ltd51,532$14.2M0.11%+4,598+9.8%Added
iA Global Asset Management Inc.51,241$14.1M0.18%+51,241New
Commonwealth of Pennsylvania Public School Empls Retrmt Sys50,678$14.0M0.07%−394−0.8%Reduced
Eastern Bank50,241$13.8M0.24%+50,241New
Bell Bank49,368$13.6M0.58%−6,985−12.4%Reduced
MetLife Investment Management48,663$13.4M0.06%−558−1.1%Reduced
Keybank National Association48,336$13.3M0.05%−2,633−5.2%Reduced
Advisory Services Network, LLC48,111$13.2M0.19%−1,836−3.7%Reduced
Inlet Private Wealth, LLC47,186$13.0M3.01%−12,464−20.9%Reduced
Varma Mutual Pension Insurance Co47,100$13.0M0.08%+47,100New
PEAK6 LLC46,522$12.8M0.35%+46,519+1,550,633.3%Added
Retirement Systems of Alabama46,349$12.8M0.04%+982+2.2%Added
Genus Capital Management Inc.46,300$12.8M1.49%−7,090−13.3%Reduced
Toroso Investments, LLC46,018$12.7M0.05%+6,361+16.0%Added
Clearstead Advisors, LLC45,144$12.4M0.16%−9,765−17.8%Reduced
Truist Financial Corp44,602$12.3M0.02%−4,591−9.3%Reduced
Wealthfront Advisers LLC44,451$12.2M0.03%+2,870+6.9%Added
IFM Investors Pty Ltd43,993$12.1M0.10%+43,993New
Icon Advisers Inc43,844$12.1M2.61%−3,650−7.7%Reduced
Empowered Funds, LLC42,729$11.8M0.20%+24,531+134.8%Added
Susquehanna Fundamental Investments, LLC42,398$11.7M0.40%00.0%Unchanged
Navellier & Associates Inc41,847$11.5M1.29%+41,847New
DnB Asset Management AS41,523$11.4M0.04%−4,425−9.6%Reduced
Gotham Asset Management, LLC41,433$11.4M0.04%+53+0.1%Added
Northwestern Mutual Wealth Management Co41,400$11.4M0.01%+19,070+85.4%Added
USS Investment Management Ltd41,253$11.4M0.06%−3,688−8.2%Reduced
CIBC World Markets Corp40,511$11.2M0.06%+40,511New
US Bancorp40,153$11.1M0.01%+1,073+2.7%Added
Stablepoint Partners, LLC39,873$11.0M1.71%−804−2.0%Reduced
JustInvest LLC38,577$10.6M0.10%+1,253+3.4%Added
CIBC World Markets Inc.38,514$10.6M0.02%−20,944−35.2%Reduced
Pathstone Holdings, LLC37,841$10.4M0.04%+7,740+25.7%Added
Chapin Davis, Inc.37,842$10.4M2.44%−557−1.5%Reduced
British Columbia Investment Management Corp37,793$10.4M0.05%+7,295+23.9%Added
MML Investors Services, LLC37,781$10.4M0.03%+10,333+37.6%Added
Mercer Global Advisors Inc37,712$10.4M0.02%+7,973+26.8%Added
Ieq Capital, LLC37,141$10.2M0.03%−65−0.2%Reduced
Cambridge Investment Research Advisors, Inc.36,384$10.0M0.03%+4,108+12.7%Added
Lifeworks Advisors, LLC36,008$9.92M1.28%−3,523−8.9%Reduced
Hanson & Doremus Investment Management35,876$9.88M1.19%−2,556−6.7%Reduced
Taikang Asset Management (Hong Kong) Co Ltd35,777$9.85M0.97%−12,080−25.2%Reduced
QRG Capital Management, Inc.35,650$9.82M0.11%+30,436+583.7%Added
CI Private Wealth, LLC35,378$9.74M0.01%+5,590+18.8%Added
Indivisible Partners34,637$9.54M1.03%+34,637New
Federation des caisses Desjardins du Quebec34,100$9.39M0.04%−2,603−7.1%Reduced
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund34,008$9.37M0.08%−1,300−3.7%Reduced
Chicago Capital, LLC33,932$9.34M0.23%−6,483−16.0%Reduced
Old Port Advisors33,275$9.16M2.26%−869−2.5%Reduced
Prime Capital Investment Advisors, LLC33,209$9.15M0.11%−331−1.0%Reduced
Captrust Financial Advisors32,975$9.08M0.02%+678+2.1%Added
Sanctuary Advisors, LLC32,853$9.05M0.05%−2,080−6.0%Reduced
Pinpoint Asset Management (Singapore) Pte. Ltd.32,603$8.98M1.87%−3,011−8.5%Reduced
SeaTown Holdings Pte. Ltd.32,500$8.95M5.19%+32,500New
NewSquare Capital LLC32,365$8.91M0.79%−40,816−55.8%Reduced
MIG Capital, LLC32,150$8.85M1.50%00.0%Unchanged
Affinity Wealth Management LLC32,021$8.82M1.25%+2,784+9.5%Added
Prudential PLC31,804$8.76M0.07%+27,015+564.1%Added
Allspring Global Investments Holdings, LLC30,230$8.69M0.01%−6,086−16.8%Reduced
Wealth Enhancement Advisory Services, LLC24,388$8.53M0.01%−32−0.1%Reduced
L & S Advisors Inc30,501$8.40M0.78%−29,068−48.8%Reduced
M&T Bank Corp29,649$8.17M0.03%−306−1.0%Reduced
Harvest Fund Management Co., Ltd29,447$8.11M0.30%+21,687+279.5%Added
Amalgamated Bank29,328$8.08M0.06%−347−1.2%Reduced
FORA Capital, LLC29,147$8.03M0.97%+29,147New
Fifth Third Bancorp29,059$8.00M0.03%−1,521−5.0%Reduced
Prelude Capital Management, LLC28,808$7.93M0.58%+12,175+73.2%Added
U.S. Capital Wealth Advisors, LLC28,503$7.85M0.21%+2,396+9.2%Added
Lazard Asset Management LLC28,359$7.81M0.01%+929+3.4%Added
Allworth Financial LP28,264$7.78M0.03%+1,544+5.8%Added
Credit Agricole S A27,928$7.69M0.02%−49,876−64.1%Reduced
Walleye Capital LLC27,877$7.68M0.04%+22,977+468.9%Added
Parallax Volatility Advisers, L.P.27,658$7.62M0.24%−34,334−55.4%Reduced
Scotia Capital Inc.27,619$7.61M0.03%−11,724−29.8%Reduced
Patton Fund Management, Inc.27,445$7.56M1.01%+9,881+56.3%Added
Yousif Capital Management, LLC23,139$7.54M0.08%−1,258−5.2%Reduced
BTC Capital Management, Inc.26,615$7.32M0.51%−781−2.9%Reduced
Ardmore Road Asset Management LP26,049$7.17M0.54%+26,049New
Shelton Capital Management25,506$7.02M0.14%+24,352+2,110.2%Added
Louisiana State Employees Retirement System25,400$6.99M0.12%+14,200+126.8%Added
Insight Wealth Strategies, LLC25,378$6.99M0.80%−980−3.7%Reduced
Banque Cantonale Vaudoise25,346$6.98M0.25%−6,779−21.1%Reduced
Elo Mutual Pension Insurance Co25,013$6.89M0.11%+2,748+12.3%Added
Oregon Public Employees Retirement Fund24,940$6.87M0.09%+710+2.9%Added
Vinva Investment Management Ltd24,315$6.81M0.08%+7,390+43.7%Added
MWA Asset Management24,668$6.79M3.79%−3,664−12.9%Reduced
SeaBridge Investment Advisors LLC24,632$6.78M1.12%−1,213−4.7%Reduced
TD Waterhouse Canada Inc.24,453$6.73M0.04%−134,060−84.6%Reduced
Janus Henderson Group PLC24,358$6.71M0.00%−264−1.1%Reduced
Impax Asset Management Group plc24,323$6.70M0.04%+24,323New
Atlantic Trust, LLC24,007$6.61M1.04%−615−2.5%Reduced
American Century Companies Inc23,765$6.54M0.00%+201+0.9%Added
Utah Retirement Systems23,755$6.54M0.06%00.0%Unchanged
Kestra Private Wealth Services, LLC23,746$6.54M0.08%−3,300−12.2%Reduced
Independent Advisor Alliance23,495$6.47M0.16%+19,614+505.4%Added
ASR Vermogensbeheer N.V.23,471$6.46M0.08%+4,070+21.0%Added
Mutual of America Capital Management LLC23,390$6.44M0.07%+339+1.5%Added
Fortis Advisors, LLC23,350$6.43M3.54%00.0%Unchanged