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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 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, Q1 2026

Institutional positions in Seagate Technology Holdings plc as of Mar 31, 2026. 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
1,471
+209 vs. Q4 2025
Shares held
190.3M
+26.0M (+15.8%) vs. Q4 2025
Total value
$74.2B
+$29.0B (+64.1%) vs. Q4 2025
New holders
311
496 more added
Sold out
102
503 more reduced

17 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2026: 1,471 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: 955 institutionsQ3 2025: 1,125 institutionsQ4 2025: 1,279 institutionsQ1 2026: 1,471 institutionsQ2 2026: 1,973 institutions
Value heldQ1 2026: $74.2B
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 20261,471$74.2B
Q4 20251,279$53.5B
Q3 20251,125$45.8B
Q2 2025955$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, Q1 2026

Shares, value and share of portfolio for each institution holding Seagate Technology Holdings plc; share changes are against Q4 2025.

Institutions holding STX in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Banque Cantonale Vaudoise16,187$6.34M0.24%−9,159−36.1%Reduced
Peapack Gladstone Financial Corp16,272$6.38M0.08%−261−1.6%Reduced
Teachers Retirement System of the State of Kentucky16,540$6.48M0.05%00.0%Unchanged
Profund Advisors LLC16,700$6.54M0.24%−3,582−17.7%Reduced
Inlet Private Wealth, LLC16,722$6.55M1.67%−30,464−64.6%Reduced
MWA Asset Management16,783$6.58M3.60%−7,885−32.0%Reduced
AustralianSuper Pty Ltd16,810$6.59M0.03%−4,210−20.0%Reduced
Gulf International Bank (UK) Ltd16,828$6.59M0.15%+6,419+61.7%Added
Private Advisor Group, LLC16,880$6.61M0.03%−761−4.3%Reduced
Deeter Investments LLP16,954$6.64M1.16%+13,000+328.8%Added
Brinker Capital Investments, LLC17,332$6.79M0.06%+1,170+7.2%Added
Dorsey Wright & Associates17,386$6.81M0.84%+6,855+65.1%Added
Lido Advisors, LLC17,703$6.95M0.03%−6,355−26.4%Reduced
Engineers Gate Manager LP17,747$6.95M0.09%+3,805+27.3%Added
Zweig-DiMenna Associates LLC17,844$6.99M0.98%−57,157−76.2%Reduced
Man Group plc17,861$7.00M0.01%−96,019−84.3%Reduced
Illinois Municipal Retirement Fund18,150$7.11M0.09%+4,164+29.8%Added
QRG Capital Management, Inc.18,255$7.15M0.07%−17,395−48.8%Reduced
Oppenheimer & Co Inc18,332$7.18M0.09%−1,478−7.5%Reduced
Zevenbergen Capital Investments LLC18,500$7.25M0.21%+18,500New
Steward Partners Investment Advisory, LLC18,783$7.36M0.04%+4,964+35.9%Added
Mediolanum International Funds Ltd20,354$7.38M0.08%+20,354New
Tortoise Capital Advisors, L.L.C.18,988$7.44M0.08%+18,988New
Insight Wealth Strategies, LLC19,464$7.63M0.85%−5,914−23.3%Reduced
Genus Capital Management Inc.19,525$7.65M0.88%−26,775−57.8%Reduced
Generali Asset Management SPA SGR19,580$7.67M0.16%+3,735+23.6%Added
Jane Street Group, LLC19,702$7.72M0.01%+5,334+37.1%Added
Ci Investments Inc.19,757$7.74M0.04%+18,638+1,665.6%Added
Decker Retirement Planning Inc.19,811$7.76M3.52%−595−2.9%Reduced
Norinchukin Bank, The20,195$7.91M0.09%+932+4.8%Added
Oribel Capital Management, LP20,200$7.91M1.20%+20,200New
Scotia Capital Inc.20,299$7.95M0.03%−7,320−26.5%Reduced
TrimTabs Asset Management, LLC20,556$8.05M1.81%+20,556New
Fortis Advisors, LLC20,575$8.06M4.04%−2,775−11.9%Reduced
Cornerstone Advisors, LLC20,622$8.08M0.30%+20,622New
Ethic Inc.20,750$8.13M0.13%+1,282+6.6%Added
Glenmede Trust Co NA21,130$8.28M0.04%−1,192−5.3%Reduced
Intech Investment Management LLC21,251$8.33M0.08%−31,717−59.9%Reduced
Prospera Financial Services Inc21,297$8.34M0.13%+18,185+584.4%Added
Integrity Alliance, LLC.21,326$8.35M0.32%−20−0.1%Reduced
Eventide Asset Management, LLC21,647$8.38M0.14%+20,217+1,413.8%Added
Longaeva Partners L.P.21,502$8.42M0.41%+21,502New
SeaBridge Investment Advisors LLC21,691$8.50M1.44%−2,941−11.9%Reduced
State of Alaska, Department of Revenue21,756$8.52M0.09%+520+2.4%Added
Elo Mutual Pension Insurance Co21,874$8.57M0.14%−3,139−12.5%Reduced
Yousif Capital Management, LLC22,039$8.63M0.10%−1,100−4.8%Reduced
GWM Advisors LLC22,046$8.64M0.03%+10,190+85.9%Added
Allstate Corp22,348$8.76M0.09%+6,239+38.7%Added
Atlantic Trust, LLC22,505$8.82M1.44%−1,502−6.3%Reduced
CAPROCK Group, Inc.22,588$8.87M0.22%+4,340+23.8%Added
CVFG LLC22,691$8.89M1.11%+22,691New
Kestra Private Wealth Services, LLC23,157$9.07M0.11%−589−2.5%Reduced
Mutual of America Capital Management LLC23,192$9.09M0.10%−198−0.8%Reduced
Calamos Advisors LLC23,213$9.09M0.04%+23,213New
Kestra Advisory Services, LLC23,691$9.28M0.04%+3,159+15.4%Added
Utah Retirement Systems23,823$9.33M0.10%+68+0.3%Added
ASR Vermogensbeheer N.V.23,886$9.36M0.11%+415+1.8%Added
BTC Capital Management, Inc.24,244$9.50M0.64%−2,371−8.9%Reduced
Xponance, Inc.24,376$9.55M0.07%+1,362+5.9%Added
Omers Administration Corp24,540$9.61M0.06%+9,632+64.6%Added
Oregon Public Employees Retirement Fund24,971$9.78M0.13%+31+0.1%Added
Shelton Capital Management25,155$9.85M0.22%−351−1.4%Reduced
Louisiana State Employees Retirement System25,400$9.95M0.17%00.0%Unchanged
ING Groep NV25,605$10.0M0.06%+11,083+76.3%Added
NewSquare Capital LLC26,155$10.2M0.89%−6,210−19.2%Reduced
Picton Mahoney Asset Management26,170$10.3M0.11%+15,680+149.5%Added
Fifth Third Bancorp26,198$10.3M0.02%−2,861−9.8%Reduced
United Capital Management of KS, Inc.26,517$10.4M1.57%+26,517New
Wealth Enhancement Advisory Services, LLC25,223$10.5M0.02%+835+3.4%Added
Entropy Technologies, LP27,003$10.6M0.49%+8,272+44.2%Added
Night Squared LP27,037$10.6M1.56%+27,037New
US Bancorp27,129$10.6M0.01%−13,024−32.4%Reduced
Ritholtz Wealth Management27,197$10.7M0.18%+5,876+27.6%Added
Lifeworks Advisors, LLC27,737$10.9M1.39%−8,271−23.0%Reduced
Allworth Financial LP28,009$11.0M0.04%−255−0.9%Reduced
Potrero Capital Research LLC28,340$11.1M6.81%−33,260−54.0%Reduced
Prudential Financial Inc28,602$11.2M0.01%+9,883+52.8%Added
M&T Bank Corp28,657$11.2M0.04%−992−3.3%Reduced
Amalgamated Bank28,738$11.3M0.09%−590−2.0%Reduced
Lombard Odier Asset Management (Switzerland) SA28,910$11.3M0.43%+28,910New
Icon Advisers Inc28,963$11.3M2.62%−14,881−33.9%Reduced
Prime Capital Investment Advisors, LLC29,042$11.4M0.13%−4,167−12.5%Reduced
Prelude Capital Management, LLC29,162$11.4M0.88%+354+1.2%Added
Lazard Asset Management LLC29,304$11.5M0.02%+945+3.3%Added
Nordea Investment Management AB30,957$11.6M0.01%+9,486+44.2%Added
British Columbia Investment Management Corp30,027$11.8M0.07%−7,766−20.5%Reduced
Exchange Traded Concepts, LLC30,068$11.8M0.09%+27,932+1,307.7%Added
Vident Advisory, LLC30,491$11.9M0.10%+19,181+169.6%Added
Rockefeller Capital Management L.P.30,704$12.0M0.02%+8,314+37.1%Added
American Century Companies Inc31,386$12.3M0.01%+7,621+32.1%Added
Harvest Fund Management Co., Ltd31,627$12.4M0.53%+2,180+7.4%Added
Taikang Asset Management (Hong Kong) Co Ltd31,744$12.4M1.24%−4,033−11.3%Reduced
Affinity Wealth Management LLC32,051$12.6M1.90%+30+0.1%Added
Old Port Advisors32,066$12.6M2.90%−1,209−3.6%Reduced
U.S. Capital Wealth Advisors, LLC32,214$12.6M0.32%+3,711+13.0%Added
MML Investors Services, LLC32,381$12.7M0.04%−5,400−14.3%Reduced
Sanctuary Advisors, LLC32,389$12.7M0.07%−464−1.4%Reduced
Andra AP-fonden32,687$12.8M0.16%+32,687New
Aquatic Capital Management LLC32,719$12.8M0.37%−31,635−49.2%Reduced
Federation des caisses Desjardins du Quebec32,754$12.8M0.05%−1,346−3.9%Reduced