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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
Stanley-Laman Group, Ltd.8,763$8.46M0.86%+8,763New
Ameritas Advisory Services, LLC8,561$8.26M0.17%+6,143+254.1%Added
RSM US Wealth Management LLC8,550$8.26M0.09%−174−2.0%Reduced
Alerus Financial NA8,549$8.25M0.36%−2,549−23.0%Reduced
Tokio Marine Asset Management Co Ltd8,487$8.19M0.25%+116+1.4%Added
Smith Shellnut Wilson LLC8,441$8.15M3.04%−20.0%Reduced
RFG Advisory, LLC8,414$8.12M0.13%−40−0.5%Reduced
Winton Group Ltd8,256$7.97M0.26%+4,865+143.5%Added
Tocqueville Asset Management L.P.8,176$7.89M0.10%−496−5.7%Reduced
Insight Holdings Group, LLC8,150$7.86M0.60%+8,150New
KP Management LLC8,000$7.72M1.62%−2,000−20.0%Reduced
Integrated Wealth Concepts LLC7,959$7.68M0.05%−1,166−12.8%Reduced
Fedenia Advisers LLC7,951$7.67M1.82%+7,951New
Westco Advisory Services Inc7,950$7.67M4.63%−361−4.3%Reduced
Hennion & Walsh Asset Management, Inc.7,948$7.67M0.22%+223+2.9%Added
Vise Technologies, Inc.7,924$7.65M0.09%+1,796+29.3%Added
Optimize Financial Inc7,916$7.64M2.74%−27−0.3%Reduced
Sound Capital Solutions LLC7,916$7.64M1.79%+7,916New
Financiere des Professionnels - Fonds d,investissement inc.7,887$7.61M0.43%−2,890−26.8%Reduced
HB Wealth Management, LLC7,842$7.57M0.04%+830+11.8%Added
Mitchell & Pahl Private Wealth, LLC7,782$7.51M2.76%−123−1.6%Reduced
Romano Brothers and Company7,758$7.49M0.75%−5,430−41.2%Reduced
Pettee Investors, Inc.7,695$7.43M3.65%−30−0.4%Reduced
Paragon Private Wealth Management, LLC7,668$7.40M1.93%−10−0.1%Reduced
Cyndeo Wealth Partners, LLC7,663$7.39M0.35%−1,780−18.8%Reduced
Vestmark Advisory Solutions, Inc.7,613$7.35M0.07%+1,602+26.7%Added
Steadtrust LLC7,480$7.22M3.65%00.0%Unchanged
Ascent Group, LLC7,394$7.14M0.21%+758+11.4%Added
Savant Capital, LLC10,332$7.13M0.02%+5,402+109.6%Added
Penserra Capital Management LLC7,375$7.12M0.05%+6,241+550.4%Added
J.W. Cole Advisors, Inc.7,357$7.10M0.12%−2,415−24.7%Reduced
Mission Wealth Management, LP7,355$7.10M0.09%+1,553+26.8%Added
Assenagon Asset Management S.A.7,321$7.06M0.01%−498−6.4%Reduced
Commerce Bank7,283$7.03M0.03%+203+2.9%Added
AlphaCore Capital LLC7,235$6.99M0.13%+2,965+69.4%Added
Independent Advisor Alliance7,237$6.98M0.16%+1,447+25.0%Added
Procyon Private Wealth Partners, LLC7,231$6.98M0.30%+632+9.6%Added
CoreCap Advisors, LLC7,230$6.98M0.21%+5,758+391.2%Added
Metis Global Partners, LLC7,214$6.96M0.16%−670−8.5%Reduced
Private Advisory Group LLC7,211$6.96M0.39%+550+8.3%Added
Florida Financial Advisors, LLC7,179$6.93M1.17%−1,771−19.8%Reduced
Summit Trail Advisors, LLC7,113$6.86M0.09%−2,238−23.9%Reduced
OpenArc Corporate Advisory, LLC7,111$6.86M0.08%−334−4.5%Reduced
Sharpepoint LLC7,004$6.76M3.39%−3,388−32.6%Reduced
Radnor Capital Management, LLC7,000$6.75M0.95%00.0%Unchanged
American State Bank (Iowa)7,000$6.75M2.74%00.0%Unchanged
Harbour Investments, Inc.6,973$6.73M0.09%+1,293+22.8%Added
LGT Group Foundation6,945$6.70M0.08%−825−10.6%Reduced
GLOBALT Investments LLC6,936$6.69M0.23%−108−1.5%Reduced
Arvin Capital Management LP6,928$6.69M1.25%+6,928New
Cerro Pacific Wealth Advisors LLC6,896$6.65M1.50%−234−3.3%Reduced
Greenleaf Trust6,875$6.63M0.06%−69−1.0%Reduced
United Capital Financial Advisers, LLC6,826$6.59M0.04%+329+5.1%Added
CSM Advisors, LLC6,825$6.59M0.14%+6,825New
Kingsman Wealth Management, Inc.6,812$6.57M3.08%+4,170+157.8%Added
Impax Asset Management Group plc6,756$6.52M0.04%−7,202−51.6%Reduced
China Universal Asset Management Co., Ltd.6,752$6.52M0.39%+618+10.1%Added
MUFG Securities Americas Inc.6,754$6.52M0.33%+720+11.9%Added
Aviso Wealth Management6,751$6.51M2.56%−155−2.2%Reduced
Everence Capital Management Inc6,691$6.46M0.34%−2,252−25.2%Reduced
Advisors Asset Management, Inc.6,683$6.45M0.10%+4,007+149.7%Added
Clearstead Advisors, LLC6,627$6.40M0.06%−543−7.6%Reduced
Virtue Capital Management, LLC6,618$6.39M0.85%+2,405+57.1%Added
GAMMA Investing LLC6,613$6.38M0.24%+62+0.9%Added
Kinneret Advisory, LLC6,581$6.36M0.52%00.0%Unchanged
Albar Capital Partners LLP6,575$6.34M0.83%+6,575New
Raab & Moskowitz Asset Management LLC6,531$6.30M1.27%00.0%Unchanged
Walleye Trading LLC6,529$6.30M0.09%−1,444−18.1%Reduced
Sculptor Capital LP6,500$6.27M0.06%+6,500New
MAI Capital Management6,457$6.23M0.02%+2,806+76.9%Added
Citizens Financial Group Inc6,391$6.17M0.07%+1,479+30.1%Added
Trinity Legacy Partners, LLC8,238$6.14M1.23%+203+2.5%Added
Coldstream Capital Management Inc6,334$6.11M0.08%−1,598−20.1%Reduced
TCW Group Inc6,322$6.10M0.04%+673+11.9%Added
Safe Harbor Fiduciary, LLC6,306$6.08M4.74%−2,683−29.8%Reduced
Polymer Capital Management (HK) LTD6,266$6.05M0.61%+6,266New
Capital International Sarl6,242$6.02M0.09%+4,703+305.6%Added
L & S Advisors Inc6,229$6.01M0.62%−6,216−49.9%Reduced
Blair William & Co6,224$6.01M0.02%+2,002+47.4%Added
Dumont & Blake Investment Advisors LLC6,196$5.98M1.34%−425−6.4%Reduced
Empire Life Investments Inc.6,180$5.96M0.33%+6,180New
Atlas Capital Advisors LLC6,144$5.93M0.65%−944−13.3%Reduced
Axq Capital, LP6,089$5.88M0.64%−2,685−30.6%Reduced
Hilltop National Bank6,086$5.87M1.25%−597−8.9%Reduced
Howard Capital Management Inc.6,062$5.85M0.07%+3,908+181.4%Added
Greenup Street Wealth Management LLC6,055$5.84M0.71%−407−6.3%Reduced
Brown Brothers Harriman & Co6,055$5.84M0.03%+2,502+70.4%Added
Kingswood Wealth Advisors, LLC5,983$5.77M0.23%−663−10.0%Reduced
Mezzasalma Advisors, LLC5,925$5.72M1.15%+5,925New
Stratos Wealth Partners, LTD.5,879$5.67M0.06%−599−9.2%Reduced
Resources Investment Advisors, LLC.5,866$5.66M0.05%+3,305+129.1%Added
Burney Co5,850$5.65M0.15%−48−0.8%Reduced
Pinnacle West Asset Management, Inc.5,810$5.61M3.87%−100−1.7%Reduced
Arkadios Wealth Advisors5,786$5.58M0.09%−4,218−42.2%Reduced
Equitable Holdings, Inc.5,780$5.58M0.03%−2,197−27.5%Reduced
Plato Investment Management Ltd5,807$5.57M0.32%−578−9.1%Reduced
Decker Retirement Planning Inc.5,744$5.54M1.89%−14,067−71.0%Reduced
Freestone Capital Holdings, LLC5,737$5.54M0.14%−2,650−31.6%Reduced
Tower Research Capital LLC (TRC)5,729$5.53M0.14%−4,066−41.5%Reduced
Raiffeisen Bank International AG5,702$5.52M0.06%−2,249−28.3%Reduced