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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, 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
Main Management ETF Advisors, LLC4,040$3.90M0.12%+100+2.5%Added
First American Bank4,089$3.95M0.22%+4,089New
Marble Wealth, LLC4,092$3.95M0.60%−2,420−37.2%Reduced
SFMG, LLC4,101$3.96M0.24%+4+0.1%Added
Gluskin Sheff & Assoc Inc4,147$4.00M0.62%+1,604+63.1%Added
Simmons Bank4,157$4.01M0.23%+1,557+59.9%Added
New Paradigm Capital Management, LLC4,200$4.05M8.66%+4,200New
TD Private Client Wealth LLC4,215$4.07M0.07%+160+3.9%Added
Glenview Trust Co4,317$4.17M0.06%−327−7.0%Reduced
Fiduciary Group LLC4,320$4.17M0.33%−48−1.1%Reduced
Stephens Inc4,352$4.20M0.05%−1,144−20.8%Reduced
Kathmere Capital Management, LLC4,355$4.20M0.22%+904+26.2%Added
FACT Capital, LP4,356$4.20M2.36%00.0%Unchanged
PFG Investments, LLC4,378$4.22M0.16%+173+4.1%Added
Thoroughbred Financial Services, LLC4,435$4.28M0.21%+445+11.2%Added
Grimes & Company, Inc.4,444$4.29M0.09%−688−13.4%Reduced
Moors & Cabot, Inc.4,467$4.31M0.17%+872+24.3%Added
MSH Capital Advisors LLC4,499$4.34M0.76%−2,209−32.9%Reduced
Pensionmark Financial Group, LLC10,367$4.34M0.07%+315+3.1%Added
Partners Capital Investment Group, LLP4,508$4.35M0.15%00.0%Unchanged
Tribune Investment Group LP4,590$4.43M2.99%+4,590New
Donoghue Forlines LLC4,591$4.43M1.15%+4,591New
D.A. Davidson & Co.4,603$4.44M0.02%−684−12.9%Reduced
Krilogy Financial LLC4,605$4.44M0.13%+856+22.8%Added
Signaturefd, LLC4,616$4.45M0.06%+57+1.3%Added
Seeds Investor LLC4,662$4.50M0.46%+4,662New
Parallel Advisors, LLC4,723$4.56M0.07%+370+8.5%Added
Warren Averett Asset Management, LLC4,788$4.62M0.03%+758+18.8%Added
FORA Capital, LLC4,795$4.63M0.32%−2,351−32.9%Reduced
Katamaran Capital LLP4,802$4.63M3.96%−6,821−58.7%Reduced
Banque Transatlantique SA4,838$4.67M0.10%−1,254−20.6%Reduced
Groupe la Francaise4,856$4.67M0.06%+4,830+18,576.9%Added
Buckingham Strategic Partners4,859$4.69M0.04%+2,601+115.2%Added
Securian Asset Management, Inc5,958$4.69M0.17%+58+1.0%Added
NLB Skladi, upravljanje premozenja, d.o.o.4,900$4.73M0.18%00.0%Unchanged
Brown Advisory Inc4,909$4.74M0.01%−160−3.2%Reduced
Dark Forest Capital Management LP4,927$4.75M0.31%+1,663+50.9%Added
BCJ Capital Management, LLC4,928$4.76M0.24%+4,928New
University of Texas/Texas Am Investment Managment Co4,934$4.76M0.55%−1,137−18.7%Reduced
Stevens Capital Management LP4,982$4.81M1.15%+4,982New
Patton Fund Management, Inc.4,994$4.82M1.04%−4,861−49.3%Reduced
Apeiron Capital Ltd5,000$4.83M3.10%+5,000New
Arini Captial Management Ltd5,000$4.83M0.50%+5,000New
Avidian Wealth Solutions, LLC5,009$4.83M0.13%−290−5.5%Reduced
Franchise GP Ltd5,030$4.85M2.26%+5,030New
Mindset Wealth Management, LLC5,066$4.89M0.94%+72+1.4%Added
Twin Tree Management, LP5,075$4.90M0.76%+1,222+31.7%Added
Ashton Thomas Private Wealth, LLC5,088$4.91M0.10%+398+8.5%Added
Flputnam Investment Management Co5,101$4.92M0.06%−5,713−52.8%Reduced
Personal Cfo Solutions, LLC5,097$4.92M0.71%−333−6.1%Reduced
Berkshire Asset Management LLC5,161$4.98M0.20%+23+0.4%Added
Nwam LLC5,167$4.99M0.25%+788+18.0%Added
Cresset Asset Management, LLC5,188$5.01M0.02%+1,036+25.0%Added
Wahed Invest LLC5,196$5.01M0.52%+5,196New
SPX Equities Gestao de Recursos Ltda5,200$5.02M0.56%+5,200New
Level Four Advisory Services, LLC5,234$5.05M0.14%−2,018−27.8%Reduced
Wealthspire Advisors, LLC5,274$5.09M0.03%+1,409+36.5%Added
Wedbush Securities Inc5,280$5.09M0.13%+1,036+24.4%Added
Baader Bank INC5,336$5.15M0.42%−804−13.1%Reduced
Left Brain Wealth Management, LLC5,343$5.16M1.55%+4,608+626.9%Added
New Age Alpha Advisors, LLC5,373$5.18M0.22%+1,453+37.1%Added
Sara-Bay Financial5,374$5.19M1.38%−2,120−28.3%Reduced
Affinity Investment Advisors, LLC5,393$5.20M2.64%−3,502−39.4%Reduced
Sivia Capital Partners, LLC5,400$5.21M0.63%+1,158+27.3%Added
SBI Securities Co., Ltd.5,438$5.25M0.12%+1,301+31.4%Added
Dorsey Wright & Associates5,454$5.26M0.89%−11,932−68.6%Reduced
Nomura Asset Management International Inc.5,497$5.30M0.01%−1,798,886−99.7%Reduced
GKV Capital Management Co., Inc.5,577$5.38M1.74%−80−1.4%Reduced
Global Retirement Partners, LLC5,643$5.45M0.08%+5,643New
Quantbot Technologies LP5,651$5.45M0.22%−779−12.1%Reduced
CBOE Vest Financial, LLC5,656$5.46M0.06%−1,113−16.4%Reduced
Evergreen Capital Management LLC5,655$5.46M0.10%+417+8.0%Added
Green Alpha Advisors, LLC5,677$5.48M3.68%−34−0.6%Reduced
Raiffeisen Bank International AG5,702$5.52M0.06%−2,249−28.3%Reduced
Tower Research Capital LLC (TRC)5,729$5.53M0.14%−4,066−41.5%Reduced
Freestone Capital Holdings, LLC5,737$5.54M0.14%−2,650−31.6%Reduced
Decker Retirement Planning Inc.5,744$5.54M1.89%−14,067−71.0%Reduced
Plato Investment Management Ltd5,807$5.57M0.32%−578−9.1%Reduced
Equitable Holdings, Inc.5,780$5.58M0.03%−2,197−27.5%Reduced
Arkadios Wealth Advisors5,786$5.58M0.09%−4,218−42.2%Reduced
Pinnacle West Asset Management, Inc.5,810$5.61M3.87%−100−1.7%Reduced
Burney Co5,850$5.65M0.15%−48−0.8%Reduced
Resources Investment Advisors, LLC.5,866$5.66M0.05%+3,305+129.1%Added
Stratos Wealth Partners, LTD.5,879$5.67M0.06%−599−9.2%Reduced
Mezzasalma Advisors, LLC5,925$5.72M1.15%+5,925New
Kingswood Wealth Advisors, LLC5,983$5.77M0.23%−663−10.0%Reduced
Brown Brothers Harriman & Co6,055$5.84M0.03%+2,502+70.4%Added
Greenup Street Wealth Management LLC6,055$5.84M0.71%−407−6.3%Reduced
Howard Capital Management Inc.6,062$5.85M0.07%+3,908+181.4%Added
Hilltop National Bank6,086$5.87M1.25%−597−8.9%Reduced
Axq Capital, LP6,089$5.88M0.64%−2,685−30.6%Reduced
Atlas Capital Advisors LLC6,144$5.93M0.65%−944−13.3%Reduced
Empire Life Investments Inc.6,180$5.96M0.33%+6,180New
Dumont & Blake Investment Advisors LLC6,196$5.98M1.34%−425−6.4%Reduced
Blair William & Co6,224$6.01M0.02%+2,002+47.4%Added
L & S Advisors Inc6,229$6.01M0.62%−6,216−49.9%Reduced
Capital International Sarl6,242$6.02M0.09%+4,703+305.6%Added
Polymer Capital Management (HK) LTD6,266$6.05M0.61%+6,266New
Safe Harbor Fiduciary, LLC6,306$6.08M4.74%−2,683−29.8%Reduced
TCW Group Inc6,322$6.10M0.04%+673+11.9%Added