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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, Q3 2025

Institutional positions in Seagate Technology Holdings plc as of Sep 30, 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
1,126
+193 vs. Q2 2025
Shares held
194.2M
−3.26M (−1.6%) vs. Q2 2025
Total value
$45.8B
+$17.3B (+60.5%) vs. Q2 2025
New holders
276
370 more added
Sold out
83
323 more reduced

23 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2025: 1,126 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 heldQ3 2025: $45.8B
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, Q3 2025

Shares, value and share of portfolio for each institution holding Seagate Technology Holdings plc; share changes are against Q2 2025.

Institutions holding STX in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
SummitTX Capital, L.P.9,808$2.32M0.10%+9,808New
Transatlantique Private Wealth LLC9,791$2.31M0.76%−1,531−13.5%Reduced
Sara-Bay Financial9,766$2.31M0.64%00.0%Unchanged
Thrivent Financial for Lutherans9,711$2.29M0.00%−3,289−25.3%Reduced
Oddo BHF Asset Management SAS9,676$2.28M0.09%+9,676New
Mitchell & Pahl Private Wealth, LLC9,655$2.28M0.96%00.0%Unchanged
Illinois Municipal Retirement Fund9,611$2.27M0.03%+5,020+109.3%Added
Quadrant Capital Group LLC9,588$2.26M0.07%+116+1.2%Added
New Mexico Educational Retirement Board9,550$2.25M0.07%−300−3.0%Reduced
Qsemble Capital Management, LP9,384$2.22M0.22%+9,384New
Hilltop National Bank9,277$2.19M0.54%−906−8.9%Reduced
Crossmark Global Holdings, Inc.9,251$2.18M0.03%−792−7.9%Reduced
Baker Avenue Asset Management, LP9,193$2.17M0.05%+9,193New
Rothschild Investment LLC9,177$2.17M0.12%+51+0.6%Added
Kimelman & Baird, LLC9,025$2.13M0.17%00.0%Unchanged
J.W. Cole Advisors, Inc.8,921$2.11M0.04%+6,984+360.6%Added
Cerro Pacific Wealth Advisors LLC8,901$2.10M0.58%−2,643−22.9%Reduced
Elevated Capital Advisors, LLC8,849$2.09M0.52%−3,902−30.6%Reduced
Freestone Capital Holdings, LLC8,783$2.07M0.06%−475−5.1%Reduced
Authentikos Wealth Advisory, LLC8,772$2.07M1.37%00.0%Unchanged
MSH Capital Advisors LLC8,731$2.06M0.55%+717+8.9%Added
Snowden Capital Advisors LLC8,605$2.04M0.06%+4,807+126.6%Added
Private Advisory Group LLC8,581$2.03M0.18%+8,581New
Volterra Technologies LP8,573$2.02M1.34%+8,573New
Himension Fund8,560$2.02M0.12%−4,368−33.8%Reduced
Coldstream Capital Management Inc8,553$2.02M0.03%+3,667+75.1%Added
Smith Shellnut Wilson LLC8,520$2.01M0.77%00.0%Unchanged
Pitcairn Co8,517$2.01M0.16%+8,517New
Healthcare of Ontario Pension Plan Trust Fund8,419$1.99M0.00%−46−0.5%Reduced
Park Avenue Securities LLC8,242$1.95M0.02%+724+9.6%Added
Tocqueville Asset Management L.P.8,192$1.93M0.03%+6,688+444.7%Added
Vident Advisory, LLC8,135$1.92M0.02%−31−0.4%Reduced
Beacon Financial Advisory LLC8,013$1.89M0.44%+8+0.1%Added
CBOE Vest Financial, LLC7,926$1.87M0.02%+517+7.0%Added
Tokio Marine Asset Management Co Ltd7,898$1.86M0.07%+7,898New
Allstate Corp7,872$1.86M0.04%+7,872New
Meeder Advisory Services, Inc.7,847$1.85M0.09%+1,083+16.0%Added
Harbour Investments, Inc.7,836$1.85M0.04%+6,703+591.6%Added
Sonora Investment Management Group, LLC7,786$1.84M0.13%+240+3.2%Added
Harvest Fund Management Co., Ltd7,760$1.83M0.08%+6,569+551.6%Added
Pettee Investors, Inc.7,725$1.82M1.00%00.0%Unchanged
Assenagon Asset Management S.A.7,632$1.80M0.00%+81+1.1%Added
Williamson Legacy Group, LLC7,597$1.79M1.39%+7,597New
Ascent Group, LLC7,523$1.78M0.06%−1,427−15.9%Reduced
Beacon Pointe Advisors, LLC7,278$1.72M0.01%+238+3.4%Added
Mather Group, LLC.7,271$1.72M0.02%+19+0.3%Added
Summit Financial, LLC7,269$1.72M0.03%+42+0.6%Added
Aviso Wealth Management7,258$1.71M0.75%+45+0.6%Added
1620 Investment Advisors, Inc.7,218$1.70M1.16%−2,671−27.0%Reduced
APG Asset Management US Inc.6,626$1.70M0.01%00.0%Unchanged
Western Financial Corp7,168$1.69M0.74%+7,168New
Kinneret Advisory, LLC7,061$1.67M0.14%−32−0.5%Reduced
LGT Group Foundation6,497$1.67M0.02%−4,944−43.2%Reduced
American State Bank (Iowa)7,000$1.65M0.84%00.0%Unchanged
Radnor Capital Management, LLC7,000$1.65M0.25%00.0%Unchanged
SRS Capital Advisors, Inc.6,987$1.65M0.02%+6,243+839.1%Added
Sequoia Financial Advisors, LLC6,939$1.64M0.01%+1,570+29.2%Added
Affinity Capital Advisors, LLC6,420$1.64M0.25%−200−3.0%Reduced
HighVista Strategies LLC6,898$1.63M0.40%−15,202−68.8%Reduced
Greenleaf Trust6,888$1.63M0.01%−82−1.2%Reduced
Perpetual Ltd6,887$1.63M0.02%+6,887New
Dumont & Blake Investment Advisors LLC6,809$1.61M0.39%−109−1.6%Reduced
Pinnbrook Capital Management LP6,795$1.60M0.30%−39,847−85.4%Reduced
Commerce Bank6,658$1.57M0.01%+2,637+65.6%Added
Raab & Moskowitz Asset Management LLC6,651$1.57M0.35%00.0%Unchanged
Kingswood Wealth Advisors, LLC6,614$1.56M0.09%−2,848−30.1%Reduced
CWA Asset Management Group, LLC6,587$1.55M0.06%−1,535−18.9%Reduced
Diversify Advisory Services, LLC5,837$1.55M0.05%+237+4.2%Added
Steadtrust LLC6,480$1.53M1.04%00.0%Unchanged
Intech Investment Management LLC6,466$1.53M0.01%−2,505−27.9%Reduced
Richard W. Paul & Associates, LLC6,372$1.50M0.51%−2,087−24.7%Reduced
CoreCap Advisors, LLC6,360$1.50M0.05%+5,239+467.4%Added
Legacy Capital Group California, Inc.6,325$1.49M0.38%−2,448−27.9%Reduced
Brinker Capital Investments, LLC6,315$1.49M0.01%+2,969+88.7%Added
Oak Harbor Wealth Partners, LLC6,245$1.47M0.36%−927−12.9%Reduced
Personal Cfo Solutions, LLC6,220$1.47M0.26%+3,228+107.9%Added
Green Alpha Advisors, LLC6,210$1.47M1.42%−327−5.0%Reduced
Concurrent Investment Advisors, LLC6,169$1.46M0.03%+2,405+63.9%Added
Pinnacle West Asset Management, Inc.6,145$1.45M0.94%+75+1.2%Added
Integrated Advisors Network LLC6,016$1.42M0.06%+906+17.7%Added
United Capital Financial Advisers, LLC5,996$1.42M0.01%+172+3.0%Added
Independent Financial Group, LLC5,990$1.41M0.03%+1,951+48.3%Added
Wetherby Asset Management Inc5,930$1.40M0.06%+187+3.3%Added
Mindset Wealth Management, LLC5,766$1.36M0.37%−455−7.3%Reduced
MUFG Securities Americas Inc.5,736$1.35M0.09%+1,033+22.0%Added
GAMMA Investing LLC5,697$1.34M0.07%+733+14.8%Added
Paragon Private Wealth Management, LLC5,575$1.32M0.43%+1,047+23.1%Added
Meiji Yasuda Asset Management Co Ltd.5,553$1.31M0.06%+30+0.5%Added
Lee Johnson Capital Management, LLC5,546$1.31M0.43%+50+0.9%Added
Baader Bank INC5,491$1.30M0.11%+5,491New
Merit Financial Group, LLC5,470$1.29M0.01%+816+17.5%Added
GKV Capital Management Co., Inc.5,450$1.29M0.51%+550+11.2%Added
Inceptionr LLC5,432$1.28M0.31%−4,138−43.2%Reduced
Pallas Capital Advisors LLC5,413$1.28M0.05%+184+3.5%Added
GWM Advisors LLC5,391$1.27M0.01%+555+11.5%Added
Mengis Capital Management, Inc.5,375$1.27M0.25%−385−6.7%Reduced
Burney Co5,303$1.25M0.04%+1,737+48.7%Added
Vision Financial Markets LLC5,300$1.25M1.07%+4,100+341.7%Added
Cresset Asset Management, LLC5,275$1.25M0.01%−858−14.0%Reduced
Avidian Wealth Solutions, LLC5,269$1.24M0.05%+169+3.3%Added