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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, Q2 2026

Institutional positions in Seagate Technology Holdings plc as of Jun 30, 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
1,973
+520 vs. Q1 2026
Shares held
188.5M
−677.3K (−0.4%) vs. Q1 2026
Total value
$181.1B
+$107.3B (+145.4%) vs. Q1 2026
New holders
587
629 more added
Sold out
67
604 more reduced

19 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 holdersQ2 2026: 1,973 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 heldQ2 2026: $181.1B
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, Q2 2026

Shares, value and share of portfolio for each institution holding Seagate Technology Holdings plc; share changes are against Q1 2026.

Institutions holding STX in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Scotia Capital Inc.14,893$14.4M0.05%−5,406−26.6%Reduced
Glenmede Trust Co NA14,871$14.4M0.06%−6,259−29.6%Reduced
Fi3 FINANCIAL ADVISORS, LLC535,463$14.2M4.29%+535,463New
TB Alternative Assets Ltd.14,652$14.1M2.27%+14,652New
Avanza Fonder AB14,490$14.0M0.30%+2,737+23.3%Added
Private Advisor Group, LLC14,459$14.0M0.06%−2,421−14.3%Reduced
DekaBank Deutsche Girozentrale37,100$13.9M0.02%00.0%Unchanged
State Board of Administration of Florida Retirement System14,290$13.8M0.02%+1,228+9.4%Added
Brighton Jones LLC14,170$13.7M0.25%+1,728+13.9%Added
Apollon Wealth Management, LLC14,166$13.7M0.17%−550−3.7%Reduced
Mizuho Markets Americas LLC14,149$13.7M0.24%+8,117+134.6%Added
AE Wealth Management LLC13,845$13.4M0.06%−69,678−83.4%Reduced
Pinnbrook Capital Management LP13,840$13.4M2.22%+11,240+432.3%Added
Entropy Technologies, LP13,827$13.3M0.53%−13,176−48.8%Reduced
Caitong International Asset Management Co., Ltd13,592$13.1M1.80%+6,574+93.7%Added
Fortis Advisors, LLC13,500$13.0M6.10%−7,075−34.4%Reduced
SRS Capital Advisors, Inc.13,206$12.7M0.08%+11,319+599.8%Added
Concurrent Investment Advisors, LLC13,030$12.6M0.11%+4,209+47.7%Added
United Capital Management of KS, Inc.12,970$12.5M1.64%−13,547−51.1%Reduced
Leisure Capital Management12,772$12.3M3.85%−352−2.7%Reduced
Occudo Quantitative Strategies LP12,727$12.3M0.65%+11,926+1,488.9%Added
Rothschild Investment LLC12,576$12.1M0.45%+2,748+28.0%Added
NewEdge Wealth, LLC12,536$12.1M0.12%+267+2.2%Added
Gunderson Capital Management Inc.12,518$12.1M3.26%+1,993+18.9%Added
Boston Partners12,476$12.0M0.01%−617−4.7%Reduced
Oppenheimer & Co Inc12,309$11.9M0.13%−6,023−32.9%Reduced
Bank Julius Baer & Co. Ltd, Zurich12,240$11.8M0.03%+11,715+2,231.4%Added
Alta Advisers Ltd12,166$11.7M2.66%+11,355+1,400.1%Added
Waterloo Capital, L.P.12,142$11.7M0.66%−749−5.8%Reduced
Melqart Asset Management (UK) Ltd12,107$11.7M1.11%+12,107New
Change Path, LLC12,059$11.6M0.25%−884−6.8%Reduced
Vontobel Holding Ltd.12,025$11.6M0.04%+3,309+38.0%Added
NewSquare Capital LLC12,019$11.6M0.86%−14,136−54.0%Reduced
Wiley Bros.-Aintree Capital, LLC11,948$11.5M0.05%−1,174−8.9%Reduced
Park Avenue Securities LLC11,861$11.4M0.07%+1,830+18.2%Added
Inlet Private Wealth, LLC11,722$11.3M2.75%−5,000−29.9%Reduced
MWA Asset Management11,690$11.3M5.10%−5,093−30.3%Reduced
Catherine Avery Investment Management LLC11,595$11.2M4.89%−1,030−8.2%Reduced
Banque Cantonale Vaudoise11,594$11.2M0.43%−4,593−28.4%Reduced
Ameritas Investment Partners, Inc.11,555$11.2M0.30%+1,720+17.5%Added
Spire Wealth Management11,509$11.1M0.34%+1,955+20.5%Added
Kovitz Investment Group Partners, LLC11,392$11.0M0.24%−503−4.2%Reduced
Equitable Trust Co11,267$10.9M0.45%−1,740−13.4%Reduced
Aptus Capital Advisors, LLC11,237$10.8M0.08%+1,499+15.4%Added
Keystone Wealth Services, LLC11,172$10.8M2.00%−2,546−18.6%Reduced
Sequoia Financial Advisors, LLC11,139$10.7M0.05%−550−4.7%Reduced
Silvercrest Asset Management Group LLC11,137$10.7M0.07%−4,220−27.5%Reduced
Jacobs Levy Equity Management, Inc11,105$10.7M0.04%+11,105New
Aull & Monroe Investment Management Corp10,969$10.6M4.43%−166−1.5%Reduced
Sound View Wealth Advisors Group, LLC10,889$10.5M0.65%−422−3.7%Reduced
New Mexico Educational Retirement Board10,850$10.5M0.26%+900+9.0%Added
Mount Yale Investment Advisors, LLC10,820$10.4M0.19%+426+4.1%Added
Merit Financial Group, LLC10,816$10.4M0.06%+4,144+62.1%Added
Independent Financial Group, LLC10,783$10.4M0.19%+521+5.1%Added
Gotham Asset Management, LLC10,760$10.4M0.02%−22,205−67.4%Reduced
Naples Global Advisors, LLC10,600$10.2M0.63%−260−2.4%Reduced
Range Financial Group LLC10,492$10.1M2.77%−2,350−18.3%Reduced
LTS One Management LP10,390$10.0M4.20%+10,390New
Great Lakes Retirement, Inc.10,358$10.0M0.89%−2,271−18.0%Reduced
Summit Financial, LLC10,336$9.98M0.11%+3,638+54.3%Added
Pelham Capital Ltd.10,324$9.96M5.67%+10,324New
Rodgers Brothers Inc.10,311$9.95M0.97%−800−7.2%Reduced
Y-Intercept (Hong Kong) Ltd10,225$9.87M0.20%−607−5.6%Reduced
National Asset Management, Inc.10,135$9.82M0.54%−597−5.6%Reduced
Dai-Ichi Life Insurance Company, Ltd10,145$9.79M0.23%+1,322+15.0%Added
Algert Global LLC10,127$9.77M0.12%+6,993+223.1%Added
Stablepoint Partners, LLC10,123$9.77M1.35%−166−1.6%Reduced
Baird Financial Group, Inc.10,117$9.76M0.01%+3,122+44.6%Added
Alight Capital Management LP10,000$9.65M1.57%00.0%Unchanged
Hiddenite Capital Partners LP10,000$9.65M2.37%+10,000New
Laird Norton Trust Company, LLC9,735$9.40M0.18%−274−2.7%Reduced
Beacon Pointe Advisors, LLC9,721$9.38M0.04%+442+4.8%Added
Western Financial Corp9,634$9.30M2.72%−630−6.1%Reduced
Dedeker Financial LLC9,623$9.29M5.28%−2,071−17.7%Reduced
Geneva Partners, LLC9,615$9.28M2.47%+9,615New
Meeder Advisory Services, Inc.9,565$9.23M0.34%+1,002+11.7%Added
Vestcor Inc9,544$9.21M0.23%+3,654+62.0%Added
Williamson Legacy Group, LLC9,503$9.17M4.55%−2,342−19.8%Reduced
Mane Global Capital Management LP9,459$9.13M0.75%+9,459New
Community Bank & Trust, Waco, Texas9,456$9.13M1.65%−387−3.9%Reduced
Quadrant Capital Group LLC9,429$9.10M0.25%+107+1.1%Added
Benjamin Edwards Inc9,367$9.04M0.08%−263−2.7%Reduced
Insight Wealth Strategies, LLC9,799$8.97M0.88%−9,665−49.7%Reduced
Persistent Asset Partners Ltd9,265$8.94M2.82%+9,265New
Catalyst Funds Management Pty Ltd9,238$8.91M0.50%+8,375+970.5%Added
Callan Family Office, LLC9,224$8.90M0.17%+2,029+28.2%Added
Beck Capital Management, LLC9,189$8.87M1.63%+3,930+74.7%Added
Snowden Capital Advisors LLC9,174$8.86M0.21%+40+0.4%Added
Potrero Capital Research LLC9,117$8.80M5.39%−19,223−67.8%Reduced
Employees Retirement System of Texas9,116$8.80M0.07%+6,828+298.4%Added
Mather Group, LLC.9,106$8.79M0.08%+1,810+24.8%Added
TrimTabs Asset Management, LLC9,105$8.79M1.62%−11,451−55.7%Reduced
Parkway Wealth Management Group, LLC9,038$8.72M1.01%−635−6.6%Reduced
Kimelman & Baird, LLC9,025$8.71M0.64%00.0%Unchanged
Crossmark Global Holdings, Inc.9,009$8.69M0.11%−853−8.6%Reduced
Fideuram - Intesa Sanpaolo Private Banking S.P.A.8,962$8.65M0.26%+1,314+17.2%Added
Destination Wealth Management8,930$8.62M0.20%+8,930New
Atria Investments LLC8,837$8.53M0.09%+2,108+31.3%Added
Horizon Investments, LLC8,793$8.49M0.09%+1,026+13.2%Added
Authentikos Wealth Advisory, LLC8,772$8.46M5.40%00.0%Unchanged