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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, 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
1,472
+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
497 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: 1,472 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 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 20261,472$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, 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
Night Squared LP27,037$10.6M1.56%+27,037New
Entropy Technologies, LP27,003$10.6M0.49%+8,272+44.2%Added
Wealth Enhancement Advisory Services, LLC25,223$10.5M0.02%+835+3.4%Added
United Capital Management of KS, Inc.26,517$10.4M1.57%+26,517New
Fifth Third Bancorp26,198$10.3M0.02%−2,861−9.8%Reduced
Picton Mahoney Asset Management26,170$10.3M0.11%+15,680+149.5%Added
NewSquare Capital LLC26,155$10.2M0.89%−6,210−19.2%Reduced
ING Groep NV25,605$10.0M0.06%+11,083+76.3%Added
Louisiana State Employees Retirement System25,400$9.95M0.17%00.0%Unchanged
Shelton Capital Management25,155$9.85M0.22%−351−1.4%Reduced
Oregon Public Employees Retirement Fund24,971$9.78M0.13%+31+0.1%Added
Omers Administration Corp24,540$9.61M0.06%+9,632+64.6%Added
Xponance, Inc.24,376$9.55M0.07%+1,362+5.9%Added
BTC Capital Management, Inc.24,244$9.50M0.64%−2,371−8.9%Reduced
ASR Vermogensbeheer N.V.23,886$9.36M0.11%+415+1.8%Added
Utah Retirement Systems23,823$9.33M0.10%+68+0.3%Added
Kestra Advisory Services, LLC23,691$9.28M0.04%+3,159+15.4%Added
Calamos Advisors LLC23,213$9.09M0.04%+23,213New
Mutual of America Capital Management LLC23,192$9.09M0.10%−198−0.8%Reduced
Kestra Private Wealth Services, LLC23,157$9.07M0.11%−589−2.5%Reduced
CVFG LLC22,691$8.89M1.11%+22,691New
CAPROCK Group, Inc.22,588$8.87M0.22%+4,340+23.8%Added
Atlantic Trust, LLC22,505$8.82M1.44%−1,502−6.3%Reduced
Allstate Corp22,348$8.76M0.09%+6,239+38.7%Added
GWM Advisors LLC22,046$8.64M0.03%+10,190+85.9%Added
Yousif Capital Management, LLC22,039$8.63M0.10%−1,100−4.8%Reduced
Elo Mutual Pension Insurance Co21,874$8.57M0.14%−3,139−12.5%Reduced
State of Alaska, Department of Revenue21,756$8.52M0.09%+520+2.4%Added
SeaBridge Investment Advisors LLC21,691$8.50M1.44%−2,941−11.9%Reduced
Longaeva Partners L.P.21,502$8.42M0.41%+21,502New
Eventide Asset Management, LLC21,647$8.38M0.14%+20,217+1,413.8%Added
Integrity Alliance, LLC.21,326$8.35M0.32%−20−0.1%Reduced
Prospera Financial Services Inc21,297$8.34M0.13%+18,185+584.4%Added
Intech Investment Management LLC21,251$8.33M0.08%−31,717−59.9%Reduced
Glenmede Trust Co NA21,130$8.28M0.04%−1,192−5.3%Reduced
Ethic Inc.20,750$8.13M0.13%+1,282+6.6%Added
Cornerstone Advisors, LLC20,622$8.08M0.30%+20,622New
Fortis Advisors, LLC20,575$8.06M4.04%−2,775−11.9%Reduced
TrimTabs Asset Management, LLC20,556$8.05M1.81%+20,556New
Scotia Capital Inc.20,299$7.95M0.03%−7,320−26.5%Reduced
Oribel Capital Management, LP20,200$7.91M1.20%+20,200New
Norinchukin Bank, The20,195$7.91M0.09%+932+4.8%Added
Decker Retirement Planning Inc.19,811$7.76M3.52%−595−2.9%Reduced
Ci Investments Inc.19,757$7.74M0.04%+18,638+1,665.6%Added
Jane Street Group, LLC19,702$7.72M0.01%+5,334+37.1%Added
Generali Asset Management SPA SGR19,580$7.67M0.16%+3,735+23.6%Added
Genus Capital Management Inc.19,525$7.65M0.88%−26,775−57.8%Reduced
Insight Wealth Strategies, LLC19,464$7.63M0.85%−5,914−23.3%Reduced
Tortoise Capital Advisors, L.L.C.18,988$7.44M0.08%+18,988New
Mediolanum International Funds Ltd20,354$7.38M0.08%+20,354New
Steward Partners Investment Advisory, LLC18,783$7.36M0.04%+4,964+35.9%Added
Zevenbergen Capital Investments LLC18,500$7.25M0.21%+18,500New
Oppenheimer & Co Inc18,332$7.18M0.09%−1,478−7.5%Reduced
QRG Capital Management, Inc.18,255$7.15M0.07%−17,395−48.8%Reduced
Illinois Municipal Retirement Fund18,150$7.11M0.09%+4,164+29.8%Added
Man Group plc17,861$7.00M0.01%−96,019−84.3%Reduced
Zweig-DiMenna Associates LLC17,844$6.99M0.98%−57,157−76.2%Reduced
Engineers Gate Manager LP17,747$6.95M0.09%+3,805+27.3%Added
Lido Advisors, LLC17,703$6.95M0.03%−6,355−26.4%Reduced
Dorsey Wright & Associates17,386$6.81M0.84%+6,855+65.1%Added
Brinker Capital Investments, LLC17,332$6.79M0.06%+1,170+7.2%Added
Deeter Investments LLP16,954$6.64M1.16%+13,000+328.8%Added
Private Advisor Group, LLC16,880$6.61M0.03%−761−4.3%Reduced
Gulf International Bank (UK) Ltd16,828$6.59M0.15%+6,419+61.7%Added
AustralianSuper Pty Ltd16,810$6.59M0.03%−4,210−20.0%Reduced
MWA Asset Management16,783$6.58M3.60%−7,885−32.0%Reduced
Inlet Private Wealth, LLC16,722$6.55M1.67%−30,464−64.6%Reduced
Profund Advisors LLC16,700$6.54M0.24%−3,582−17.7%Reduced
Teachers Retirement System of the State of Kentucky16,540$6.48M0.05%00.0%Unchanged
Peapack Gladstone Financial Corp16,272$6.38M0.08%−261−1.6%Reduced
Banque Cantonale Vaudoise16,187$6.34M0.24%−9,159−36.1%Reduced
Brookstone Capital Management16,185$6.34M0.07%+4,009+32.9%Added
Silvercrest Asset Management Group LLC15,357$6.02M0.04%−2,005−11.5%Reduced
IMC-Chicago, LLC14,748$5.78M0.09%+14,748New
Apollon Wealth Management, LLC14,716$5.77M0.09%+2,412+19.6%Added
Ieq Capital, LLC14,528$5.69M0.03%−22,613−60.9%Reduced
Marshall Wace, LLP14,425$5.65M0.01%−7,102−33.0%Reduced
Farther Finance Advisors, LLC13,291$5.62M0.05%+3,521+36.0%Added
Abn Amro Investment Solutions14,072$5.51M0.07%+14,072New
Susquehanna Fundamental Investments, LLC14,017$5.49M0.21%−28,381−66.9%Reduced
Impax Asset Management Group plc13,958$5.47M0.04%−10,365−42.6%Reduced
Brevan Howard Capital Management LP13,794$5.40M0.06%+13,794New
Keystone Wealth Services, LLC13,718$5.37M1.15%−668−4.6%Reduced
Pettee Investors, Inc.7,725$5.20M2.68%00.0%Unchanged
Romano Brothers and Company13,188$5.17M0.59%−7,025−34.8%Reduced
Mizuho Securities USA LLC13,183$5.16M0.12%−2,681−16.9%Reduced
Leisure Capital Management13,124$5.14M1.80%−2,350−15.2%Reduced
Wiley Bros.-Aintree Capital, LLC13,122$5.14M0.03%−295−2.2%Reduced
First National Trust Co13,105$5.13M0.17%00.0%Unchanged
Boston Partners13,093$5.13M0.01%−597,718−97.9%Reduced
State Board of Administration of Florida Retirement System13,062$5.12M0.01%00.0%Unchanged
Equitable Trust Co13,007$5.10M0.24%+219+1.7%Added
Change Path, LLC12,943$5.07M0.12%−6,587−33.7%Reduced
E Fund Management Co., Ltd.12,912$5.06M0.15%+12,912New
Waterloo Capital, L.P.12,891$5.05M0.35%−8,076−38.5%Reduced
Range Financial Group LLC12,842$5.03M1.69%+8,341+185.3%Added
CWM, LLC12,794$5.01M0.01%+969+8.2%Added
Bessemer Group Inc12,773$5.00M0.01%−70−0.5%Reduced
Great Lakes Retirement, Inc.12,629$4.96M0.51%−4,688−27.1%Reduced
Catherine Avery Investment Management LLC12,625$4.95M2.21%−519−3.9%Reduced