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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
Callan Family Office, LLC7,195$2.82M0.06%+904+14.4%Added
Clearstead Advisors, LLC7,170$2.81M0.03%−37,974−84.1%Reduced
FORA Capital, LLC7,146$2.80M0.21%−22,001−75.5%Reduced
Cerro Pacific Wealth Advisors LLC7,130$2.79M0.73%−1,898−21.0%Reduced
Atlas Capital Advisors LLC7,088$2.78M0.32%−457−6.1%Reduced
Commerce Bank7,080$2.77M0.01%+390+5.8%Added
GLOBALT Investments LLC7,044$2.76M0.10%−2,716−27.8%Reduced
Caitong International Asset Management Co., Ltd7,018$2.75M0.51%+7,017+701,700.0%Added
HB Wealth Management, LLC7,012$2.75M0.02%+1,674+31.4%Added
Radnor Capital Management, LLC7,000$2.74M0.41%00.0%Unchanged
American State Bank (Iowa)7,000$2.74M1.32%00.0%Unchanged
Baird Financial Group, Inc.6,995$2.74M0.00%−3,002−30.0%Reduced
Alphadyne Asset Management LP6,967$2.73M0.36%+6,579+1,695.6%Added
Greenleaf Trust6,944$2.72M0.03%+126+1.8%Added
Aviso Wealth Management6,906$2.71M1.22%−328−4.5%Reduced
CBOE Vest Financial, LLC6,769$2.65M0.03%−924−12.0%Reduced
Atria Investments LLC6,729$2.64M0.03%−1,966−22.6%Reduced
Summit Financial, LLC6,698$2.63M0.03%+2,578+62.6%Added
MSH Capital Advisors LLC6,708$2.63M0.56%−537−7.4%Reduced
Hilltop National Bank6,683$2.62M0.62%−2,245−25.1%Reduced
Bartlett & Co. Wealth Management LLC3,544$2.62M0.03%−481−12.0%Reduced
Merit Financial Group, LLC6,672$2.61M0.02%+762+12.9%Added
Private Advisory Group LLC6,661$2.61M0.18%−2,394−26.4%Reduced
Kingswood Wealth Advisors, LLC6,646$2.60M0.12%+406+6.5%Added
Ascent Group, LLC6,636$2.60M0.09%−1,149−14.8%Reduced
Dumont & Blake Investment Advisors LLC6,621$2.59M0.65%−157−2.3%Reduced
Procyon Private Wealth Partners, LLC6,599$2.59M0.13%+6,599New
Kinneret Advisory, LLC6,581$2.58M0.24%−292−4.2%Reduced
GAMMA Investing LLC6,551$2.57M0.12%+248+3.9%Added
Raab & Moskowitz Asset Management LLC6,531$2.56M0.57%−120−1.8%Reduced
Marble Wealth, LLC6,512$2.55M0.45%+11+0.2%Added
Steel Peak Wealth Management LLC6,489$2.55M0.08%−4,536−41.1%Reduced
United Capital Financial Advisers, LLC6,497$2.55M0.02%−252−3.7%Reduced
Stratos Wealth Partners, LTD.6,478$2.54M0.03%+832+14.7%Added
Greenup Street Wealth Management LLC6,462$2.53M0.36%+6,462New
Quantbot Technologies LP6,430$2.52M0.10%+5,184+416.1%Added
Plato Investment Management Ltd6,385$2.50M0.17%+6,385New
China Universal Asset Management Co., Ltd.6,134$2.41M0.18%+91+1.5%Added
Baader Bank INC6,140$2.41M0.24%+4,449+263.1%Added
Fortune Financial Advisors, LLC6,100$2.39M1.22%+6,100New
Banque Transatlantique SA6,092$2.39M0.06%+6,092New
University of Texas/Texas Am Investment Managment Co6,071$2.38M0.35%+5,937+4,430.6%Added
MUFG Securities Americas Inc.6,034$2.36M0.15%+164+2.8%Added
Mizuho Markets Americas LLC6,032$2.36M0.07%+6,032New
Vestmark Advisory Solutions, Inc.6,011$2.35M0.03%+3,583+147.6%Added
Advent Capital Management6,000$2.35M0.07%+6,000New
Affinity Capital Advisors, LLC5,976$2.34M0.33%−608−9.2%Reduced
Pinnacle West Asset Management, Inc.5,910$2.31M1.57%−185−3.0%Reduced
Securian Asset Management, Inc5,900$2.31M0.09%00.0%Unchanged
Burney Co5,898$2.31M0.07%+11+0.2%Added
Vestcor Inc5,890$2.31M0.06%+1,787+43.6%Added
Mission Wealth Management, LP5,802$2.27M0.05%+101+1.8%Added
Independent Advisor Alliance5,790$2.27M0.02%−17,705−75.4%Reduced
Green Alpha Advisors, LLC5,711$2.24M2.20%−155−2.6%Reduced
Harbour Investments, Inc.5,680$2.23M0.03%+4,504+383.0%Added
GKV Capital Management Co., Inc.5,657$2.22M0.83%−413−6.8%Reduced
Equitable Holdings, Inc.7,977$2.22M0.01%+1,336+20.1%Added
TCW Group Inc5,649$2.21M0.02%+2,441+76.1%Added
Marex Group plc5,645$2.21M0.02%+3,699+190.1%Added
Stephens Inc5,496$2.15M0.03%+1,494+37.3%Added
Personal Cfo Solutions, LLC5,430$2.13M0.30%−304−5.3%Reduced
Avidian Wealth Solutions, LLC5,299$2.08M0.07%+1,159+28.0%Added
D.A. Davidson & Co.5,287$2.07M0.01%+176+3.4%Added
Beck Capital Management, LLC5,259$2.06M0.47%+4,487+581.2%Added
Evergreen Capital Management LLC5,238$2.06M0.04%−91−1.7%Reduced
Pallas Capital Advisors LLC5,245$2.05M0.08%−201−3.7%Reduced
Patriot Financial Group Insurance Agency, LLC5,244$2.05M0.12%+2,781+112.9%Added
Himension Fund5,215$2.04M0.16%−1,794−25.6%Reduced
Kovack Advisors, Inc.4,622$2.01M0.11%+339+7.9%Added
Berkshire Asset Management LLC5,138$2.01M0.09%+6+0.1%Added
Grimes & Company, Inc.5,132$2.01M0.06%+2,351+84.5%Added
Krilogy Financial LLC3,749$1.99M0.06%+2,416+181.2%Added
Brown Advisory Inc5,069$1.99M0.00%+259+5.4%Added
Cornerstone Wealth Group, LLC3,542$1.98M0.13%+19+0.5%Added
Group One Trading, L.P.4,995$1.96M0.06%+4,995New
Mindset Wealth Management, LLC4,994$1.96M0.53%−805−13.9%Reduced
Graham Capital Management, L.P.4,983$1.95M0.07%+3,247+187.0%Added
XTX Topco Ltd4,960$1.94M0.03%−1,310−20.9%Reduced
Savant Capital, LLC4,930$1.93M0.01%+1,394+39.4%Added
Citizens Financial Group Inc4,912$1.93M0.03%+633+14.8%Added
NLB Skladi, upravljanje premozenja, d.o.o.4,900$1.92M0.09%−235−4.6%Reduced
Perpetual Ltd4,793$1.88M0.03%−863−15.3%Reduced
Next Century Growth Investors LLC4,723$1.85M0.13%+4,723New
Ashton Thomas Private Wealth, LLC4,690$1.84M0.04%+3,904+496.7%Added
Connable Office Inc4,671$1.83M0.18%+9+0.2%Added
Glenview Trust Co4,644$1.82M0.03%−320−6.4%Reduced
HBK Sorce Advisory LLC2,284$1.79M0.04%+157+7.4%Added
Signaturefd, LLC4,559$1.79M0.03%+252+5.9%Added
Sumitomo Life Insurance Co4,544$1.78M0.04%+4,544New
Ossiam4,540$1.78M0.03%+252+5.9%Added
Partners Capital Investment Group, LLP4,508$1.77M0.07%00.0%Unchanged
Nwam LLC4,379$1.72M0.10%−115−2.6%Reduced
Fiduciary Group LLC4,368$1.71M0.15%+68+1.6%Added
Kepler Cheuvreux (Suisse) SA4,358$1.71M0.11%+4,358New
FACT Capital, LP4,356$1.71M1.13%+4,356New
Parallel Advisors, LLC4,353$1.71M0.03%+435+11.1%Added
Berkshire Bank4,352$1.70M0.35%−479−9.9%Reduced
V-Square Quantitative Management LLC4,347$1.70M0.18%+363+9.1%Added
Vise Technologies, Inc.6,128$1.69M0.03%00.0%Unchanged
AlphaCore Capital LLC4,270$1.68M0.04%−1,262−22.8%Reduced