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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
Grimes & Company, Inc.5,132$2.01M0.06%+2,351+84.5%Added
Berkshire Asset Management LLC5,138$2.01M0.09%+6+0.1%Added
Kovack Advisors, Inc.4,622$2.01M0.11%+339+7.9%Added
Himension Fund5,215$2.04M0.16%−1,794−25.6%Reduced
Patriot Financial Group Insurance Agency, LLC5,244$2.05M0.12%+2,781+112.9%Added
Pallas Capital Advisors LLC5,245$2.05M0.08%−201−3.7%Reduced
Evergreen Capital Management LLC5,238$2.06M0.04%−91−1.7%Reduced
Beck Capital Management, LLC5,259$2.06M0.47%+4,487+581.2%Added
D.A. Davidson & Co.5,287$2.07M0.01%+176+3.4%Added
Avidian Wealth Solutions, LLC5,299$2.08M0.07%+1,159+28.0%Added
Personal Cfo Solutions, LLC5,430$2.13M0.30%−304−5.3%Reduced
Stephens Inc5,496$2.15M0.03%+1,494+37.3%Added
Marex Group plc5,645$2.21M0.02%+3,699+190.1%Added
TCW Group Inc5,649$2.21M0.02%+2,441+76.1%Added
Equitable Holdings, Inc.7,977$2.22M0.01%+1,336+20.1%Added
GKV Capital Management Co., Inc.5,657$2.22M0.83%−413−6.8%Reduced
Harbour Investments, Inc.5,680$2.23M0.03%+4,504+383.0%Added
Green Alpha Advisors, LLC5,711$2.24M2.20%−155−2.6%Reduced
Independent Advisor Alliance5,790$2.27M0.02%−17,705−75.4%Reduced
Mission Wealth Management, LP5,802$2.27M0.05%+101+1.8%Added
Vestcor Inc5,890$2.31M0.06%+1,787+43.6%Added
Burney Co5,898$2.31M0.07%+11+0.2%Added
Securian Asset Management, Inc5,900$2.31M0.09%00.0%Unchanged
Pinnacle West Asset Management, Inc.5,910$2.31M1.57%−185−3.0%Reduced
Affinity Capital Advisors, LLC5,976$2.34M0.33%−608−9.2%Reduced
Advent Capital Management6,000$2.35M0.07%+6,000New
Vestmark Advisory Solutions, Inc.6,011$2.35M0.03%+3,583+147.6%Added
Mizuho Markets Americas LLC6,032$2.36M0.07%+6,032New
MUFG Securities Americas Inc.6,034$2.36M0.15%+164+2.8%Added
University of Texas/Texas Am Investment Managment Co6,071$2.38M0.35%+5,937+4,430.6%Added
Banque Transatlantique SA6,092$2.39M0.06%+6,092New
Fortune Financial Advisors, LLC6,100$2.39M1.22%+6,100New
Baader Bank INC6,140$2.41M0.24%+4,449+263.1%Added
China Universal Asset Management Co., Ltd.6,134$2.41M0.18%+91+1.5%Added
Plato Investment Management Ltd6,385$2.50M0.17%+6,385New
Quantbot Technologies LP6,430$2.52M0.10%+5,184+416.1%Added
Greenup Street Wealth Management LLC6,462$2.53M0.36%+6,462New
Stratos Wealth Partners, LTD.6,478$2.54M0.03%+832+14.7%Added
United Capital Financial Advisers, LLC6,497$2.55M0.02%−252−3.7%Reduced
Steel Peak Wealth Management LLC6,489$2.55M0.08%−4,536−41.1%Reduced
Marble Wealth, LLC6,512$2.55M0.45%+11+0.2%Added
Raab & Moskowitz Asset Management LLC6,531$2.56M0.57%−120−1.8%Reduced
GAMMA Investing LLC6,551$2.57M0.12%+248+3.9%Added
Kinneret Advisory, LLC6,581$2.58M0.24%−292−4.2%Reduced
Procyon Private Wealth Partners, LLC6,599$2.59M0.13%+6,599New
Dumont & Blake Investment Advisors LLC6,621$2.59M0.65%−157−2.3%Reduced
Ascent Group, LLC6,636$2.60M0.09%−1,149−14.8%Reduced
Kingswood Wealth Advisors, LLC6,646$2.60M0.12%+406+6.5%Added
Private Advisory Group LLC6,661$2.61M0.18%−2,394−26.4%Reduced
Merit Financial Group, LLC6,672$2.61M0.02%+762+12.9%Added
Bartlett & Co. Wealth Management LLC3,544$2.62M0.03%−481−12.0%Reduced
Hilltop National Bank6,683$2.62M0.62%−2,245−25.1%Reduced
MSH Capital Advisors LLC6,708$2.63M0.56%−537−7.4%Reduced
Summit Financial, LLC6,698$2.63M0.03%+2,578+62.6%Added
Atria Investments LLC6,729$2.64M0.03%−1,966−22.6%Reduced
CBOE Vest Financial, LLC6,769$2.65M0.03%−924−12.0%Reduced
Aviso Wealth Management6,906$2.71M1.22%−328−4.5%Reduced
Greenleaf Trust6,944$2.72M0.03%+126+1.8%Added
Alphadyne Asset Management LP6,967$2.73M0.36%+6,579+1,695.6%Added
Baird Financial Group, Inc.6,995$2.74M0.00%−3,002−30.0%Reduced
Radnor Capital Management, LLC7,000$2.74M0.41%00.0%Unchanged
American State Bank (Iowa)7,000$2.74M1.32%00.0%Unchanged
HB Wealth Management, LLC7,012$2.75M0.02%+1,674+31.4%Added
Caitong International Asset Management Co., Ltd7,018$2.75M0.51%+7,017+701,700.0%Added
GLOBALT Investments LLC7,044$2.76M0.10%−2,716−27.8%Reduced
Commerce Bank7,080$2.77M0.01%+390+5.8%Added
Atlas Capital Advisors LLC7,088$2.78M0.32%−457−6.1%Reduced
Cerro Pacific Wealth Advisors LLC7,130$2.79M0.73%−1,898−21.0%Reduced
FORA Capital, LLC7,146$2.80M0.21%−22,001−75.5%Reduced
Clearstead Advisors, LLC7,170$2.81M0.03%−37,974−84.1%Reduced
Callan Family Office, LLC7,195$2.82M0.06%+904+14.4%Added
Science & Technology Partners, L.P.7,240$2.84M0.74%+7,240New
Level Four Advisory Services, LLC7,252$2.84M0.09%+1,535+26.8%Added
Mather Group, LLC.7,296$2.86M0.03%+12+0.2%Added
Raiffeisen Bank International AG7,951$2.88M0.04%+5,004+169.8%Added
OpenArc Corporate Advisory, LLC7,445$2.92M0.04%+591+8.6%Added
EPG Wealth Management LLC7,475$2.93M0.79%−3,682−33.0%Reduced
Steadtrust LLC7,480$2.93M1.66%00.0%Unchanged
Sara-Bay Financial7,494$2.94M0.91%−1,927−20.5%Reduced
Fideuram - Intesa Sanpaolo Private Banking S.P.A.7,648$3.00M0.11%+7,648New
Paragon Private Wealth Management, LLC7,678$3.01M0.94%+857+12.6%Added
Hennion & Walsh Asset Management, Inc.7,725$3.03M0.10%−7,587−49.5%Reduced
Pinkerton Retirement Specialists, LLC11,000$3.03M0.28%+1,161+11.8%Added
Three Seasons Wealth, LLC7,721$3.03M1.16%−1,821−19.1%Reduced
Horizon Investments, LLC7,767$3.04M0.03%+2,030+35.4%Added
LGT Group Foundation7,770$3.04M0.04%+1,327+20.6%Added
Assenagon Asset Management S.A.7,819$3.06M0.00%+31+0.4%Added
Metis Global Partners, LLC7,884$3.09M0.08%−886−10.1%Reduced
Mitchell & Pahl Private Wealth, LLC7,905$3.10M1.26%−1,350−14.6%Reduced
Coldstream Capital Management Inc7,932$3.11M0.04%−784−9.0%Reduced
Optimize Financial Inc7,943$3.11M1.53%+7,943New
Walleye Trading LLC7,973$3.12M0.06%−77,264−90.6%Reduced
Saudi Central Bank8,042$3.15M0.07%+8,042New
VestGen Advisors, LLC4,023$3.25M0.09%+2,296+132.9%Added
Westco Advisory Services Inc8,311$3.26M2.09%−40−0.5%Reduced
Northwest & Ethical Investments L.P.8,240$3.27M0.08%−5,710−40.9%Reduced
Tokio Marine Asset Management Co Ltd8,371$3.28M0.12%+219+2.7%Added
Freestone Capital Holdings, LLC8,387$3.29M0.10%−396−4.5%Reduced
Smith Shellnut Wilson LLC8,443$3.31M1.44%−40.0%Reduced
RFG Advisory, LLC8,454$3.31M0.06%+718+9.3%Added