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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
Marquette Asset Management, LLC30$28.9K0.00%00.0%Unchanged
Mowery & Schoenfeld Wealth Management, LLC30$28.9K0.04%00.0%Unchanged
One River Asset Management, LLC30$28.9K0.14%+30New
First Pacific Financial30$29.1K0.00%−1−3.2%Reduced
Allianz SE34$32.8K0.00%+34New
Vima LLC34$32.8K0.03%+34New
Front Row Advisors LLC40$32.8K0.01%−40−50.0%Reduced
Imprint Wealth LLC36$34.7K0.14%00.0%Unchanged
IMA Wealth, Inc.37$35.7K0.00%+31+516.7%Added
Tidemark, LLC38$36.7K0.01%00.0%Unchanged
Merrithew & Thorsten Inc40$38.0K0.03%00.0%Unchanged
Baillie Gifford & Co40$38.6K0.00%+40New
BOCHK Asset Management Ltd40$38.6K0.01%+40New
Capital Advisors, Ltd. LLC40$39.0K0.00%00.0%Unchanged
Winch Advisory Services, LLC41$39.4K0.01%00.0%Unchanged
Bangor Savings Bank41$39.6K0.00%−74−64.3%Reduced
Bay Harbor Wealth Management, LLC42$40.5K0.01%+9+27.3%Added
Osbon Capital Management LLC43$41.5K0.03%00.0%Unchanged
Colonial Trust Advisors45$43.4K0.00%+21+87.5%Added
LifeSteps Financial, Inc.45$43.4K0.02%+45New
RiverPark Advisors, LLC47$45.4K0.02%−32−40.5%Reduced
BankPlus Trust Department47$45.4K0.01%00.0%Unchanged
Crewe Advisors LLC47$45.4K0.00%+39+487.5%Added
Avion Wealth48$46.0K0.01%+17+54.8%Added
Activest Wealth Management48$46.3K0.01%−8−14.3%Reduced
Community Financial Services Group, LLC51$46.7K0.01%00.0%Unchanged
Strive Financial Group ,LLC49$47.3K0.02%+1+2.1%Added
Sachetta, LLC50$48.2K0.02%+1+2.0%Added
Costello Asset Management, INC50$48.3K0.01%00.0%Unchanged
Bruce G. Allen Investments, LLC52$50.2K0.03%−145−73.6%Reduced
Intesa Sanpaolo Wealth Management53$51.1K0.01%+53New
Atwood & Palmer Inc55$53.1K0.00%00.0%Unchanged
Capital Advisor Network LLC55$53.1K0.07%+55New
Kilter Group LLC56$54.0K0.02%−1−1.8%Reduced
Trust Co of Vermont56$54.0K0.00%+56New
Wellington-Altus USA Inc.140$54.8K0.04%+81+137.3%Added
Align Financial, LLC57$55.0K0.03%00.0%Unchanged
Triumph Capital Management60$57.9K0.01%+29+93.5%Added
Smithfield Trust Co60$58.0K0.00%00.0%Unchanged
Wall Street Access Asset Management, LLC61$58.9K0.01%+61New
Financial Gravity Companies, Inc.62$59.8K0.01%+62New
Financial Consulate, Inc63$60.8K0.01%+4+6.8%Added
Medallion Wealth Advisors, LLC64$61.8K0.02%−30−31.9%Reduced
Private Wealth Management Group, LLC64$61.8K0.01%+58+966.7%Added
Washington Trust Advisors, Inc.65$62.5K0.00%+57+712.5%Added
Cornerstone Financial Management LLC65$62.7K0.05%+34+109.7%Added
Joseph Group Capital Management66$63.7K0.01%+24+57.1%Added
Arlington Trust Co LLC68$65.6K0.01%00.0%Unchanged
Abound Wealth Management71$68.1K0.01%−30−29.7%Reduced
Catalyst Capital Advisors LLC73$70.4K0.00%−26−26.3%Reduced
Prosperity Bancshares Inc75$72.4K0.05%00.0%Unchanged
GHP Investment Advisors, Inc.78$75.3K0.00%+12+18.2%Added
Center for Financial Planning, Inc.80$77.2K0.01%00.0%Unchanged
Concord Wealth Partners81$78.2K0.01%+81New
Global Trust Asset Management, LLC85$82.0K0.03%+85New
Boreal Capital Management LLC89$86.0K0.06%00.0%Unchanged
Action Point Financial Planning, LLC95$87.8K0.01%+95New
WealthCollab, LLC94$90.7K0.03%+1+1.1%Added
DiNuzzo Private Wealth, Inc.97$93.6K0.01%00.0%Unchanged
Salomon & Ludwin, LLC103$94.3K0.01%00.0%Unchanged
Ameriflex Group, Inc.98$94.6K0.04%00.0%Unchanged
Hurley Capital, LLC100$96.5K0.05%00.0%Unchanged
Berbice Capital Management LLC100$96.5K0.05%00.0%Unchanged
Hughes Financial Services, LLC100$96.5K0.01%00.0%Unchanged
McMillan Office, Inc.100$96.5K0.01%00.0%Unchanged
REAP Financial Group, LLC101$97.5K0.02%+25+32.9%Added
Armstrong Advisory Group, Inc105$101.3K0.01%00.0%Unchanged
IMG Wealth Management, Inc.105$101.3K0.06%+3+2.9%Added
Dogwood Wealth Management LLC105$101.3K0.04%+29+38.2%Added
N.E.W. Advisory Services LLC106$102.3K0.01%00.0%Unchanged
Wolff Wiese Magana LLC106$102.3K0.05%00.0%Unchanged
Rosenberg Matthew Hamilton107$103.3K0.02%00.0%Unchanged
Atlantic Edge Private Wealth Management, LLC110$106.2K0.02%−5−4.3%Reduced
Palladiem, LLC110$106.2K0.10%+110New
Western Pacific Wealth Management, LP110$106.2K0.10%+110New
Bell Investment Advisors, Inc111$107.1K0.02%+4+3.7%Added
Cornerstone Planning Group LLC118$107.4K0.01%−6−4.8%Reduced
Manchester Capital Management LLC113$109.0K0.01%+2+1.8%Added
JPL Wealth Management, LLC115$111.0K0.02%+11+10.6%Added
Stone House Investment Management, LLC118$113.9K0.02%00.0%Unchanged
Cullen/Frost Bankers, Inc.118$113.9K0.00%+118New
Delos Wealth Advisors, LLC120$115.8K0.06%+120New
Financial Perspectives, Inc123$118.7K0.03%00.0%Unchanged
Barnes Dennig Private Wealth Management LLC125$120.6K0.10%−8−6.0%Reduced
Solstein Capital, LLC125$120.6K0.04%00.0%Unchanged
Keating Financial Advisory Services, Inc.125$120.6K0.02%+34+37.4%Added
Estabrook Capital Management127$122.6K0.02%00.0%Unchanged
Caitlin John, LLC130$125.5K0.07%−1,359−91.3%Reduced
Fortitude Family Office, LLC134$129.3K0.03%+35+35.4%Added
Volterra Technologies LP135$130.3K0.08%+135New
United Community Bank144$139.0K0.04%−25−14.8%Reduced
Carolina Wealth Advisors, LLC146$140.9K0.06%+42+40.4%Added
Birchwood Financial Partners, Inc.150$144.8K0.12%00.0%Unchanged
Buck Wealth Strategies, LLC153$147.6K0.02%+153New
Synergy Investment Management, LLC186$150.2K0.04%+141+313.3%Added
Owl Creek Wealth Partners LLC162$156.3K0.05%−30−15.6%Reduced
Quest 10 Wealth Builders, Inc.167$161.2K0.13%+21+14.4%Added
Cascades Capital Asset Management, LLC172$166.0K0.06%+172New
Ares Systematic Credit Ltd173$166.9K0.10%+173New
Capula Management Ltd182$175.6K0.00%+182New