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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
Apis Capital Advisors, LLC59,600$23.3M3.60%−32,800−35.5%Reduced
Czech National Bank59,391$23.3M0.15%+1,942+3.4%Added
Kinetic Partners Management, LP59,200$23.2M1.30%−36,000−37.8%Reduced
Arizona State Retirement System59,200$23.2M0.14%+707+1.2%Added
Daiwa Securities Group Inc.58,131$22.8M0.07%+4,058+7.5%Added
Temasek Holdings (Private) Ltd58,104$22.8M0.08%+58,104New
SEB Asset Management AB58,082$22.8M0.10%+58,082New
ARS Investment Partners, LLC57,201$22.4M1.16%−43,971−43.5%Reduced
State of Michigan Retirement System57,005$22.3M0.12%00.0%Unchanged
CIBC World Markets Inc.56,891$22.3M0.04%+18,377+47.7%Added
Resona Asset Management Co.,Ltd.55,825$21.9M0.11%+2,069+3.8%Added
Public Employees Retirement Association of Colorado55,816$21.9M0.09%+35,200+170.7%Added
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund54,108$21.2M0.12%+20,100+59.1%Added
Atika Capital Management LLC53,500$21.0M3.31%+1,593+3.1%Added
Prudential PLC52,658$20.6M0.16%+20,854+65.6%Added
Wealthfront Advisers LLC52,350$20.5M0.05%+7,899+17.8%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys50,799$19.9M0.10%+121+0.2%Added
Duquesne Family Office LLCSuperinvestorDuquesne Family Office50,700$19.9M0.68%+50,700New
TD Waterhouse Canada Inc.46,659$19.8M0.06%+22,206+90.8%Added
Nishkama Capital, LLC50,266$19.7M2.80%+34,866+226.4%Added
Advisory Services Network, LLC49,263$19.3M0.26%+1,152+2.4%Added
Twin Lakes Capital Management, LLC49,228$19.3M8.77%−2,622−5.1%Reduced
Parkwood LLC48,734$19.1M1.69%−10,640−17.9%Reduced
FIL Ltd48,552$19.0M0.01%−9,221−16.0%Reduced
KWMG, LLC48,264$18.9M1.58%−4,666−8.8%Reduced
Zurich Insurance Group Ltd47,881$18.8M0.15%+47,881New
Pinpoint Asset Management (Singapore) Pte. Ltd.47,806$18.7M4.40%+15,203+46.6%Added
Eurizon Capital SGR S.p.A.48,074$18.6M0.06%+48,074New
MetLife Investment Management47,381$18.6M0.09%−1,282−2.6%Reduced
Pacer Advisors, Inc.47,290$18.5M0.05%−7,205−13.2%Reduced
DnB Asset Management AS46,738$18.3M0.07%+5,215+12.6%Added
Retirement Systems of Alabama46,309$18.1M0.06%−40−0.1%Reduced
IFM Investors Pty Ltd46,093$18.1M0.15%+2,100+4.8%Added
Pathstone Holdings, LLC45,640$17.9M0.07%+7,799+20.6%Added
PEAK6 LLC45,528$17.8M0.52%−994−2.1%Reduced
Trexquant Investment LP45,493$17.8M0.13%+45,493New
Keybank National Association45,324$17.8M0.06%−3,012−6.2%Reduced
Chicago Capital, LLC45,185$17.7M0.48%+11,253+33.2%Added
Indivisible Partners44,979$17.6M1.56%+10,342+29.9%Added
Panagora Asset Management Inc44,777$17.5M0.07%+26,504+145.0%Added
Navellier & Associates Inc44,380$17.4M1.81%+2,533+6.1%Added
Varma Mutual Pension Insurance Co44,100$17.3M0.10%−3,000−6.4%Reduced
GF Fund Management Co. Ltd.43,764$17.1M0.29%−31,373−41.8%Reduced
USS Investment Management Ltd42,928$16.8M0.07%+1,675+4.1%Added
CIBC Bancorp USA Inc.42,842$16.8M0.02%+42,842New
Empowered Funds, LLC42,216$16.5M0.11%−513−1.2%Reduced
Jump Financial, LLC41,706$16.3M0.24%+40,205+2,678.5%Added
Macquarie Group Ltd40,857$16.0M0.10%−27,084−39.9%Reduced
JustInvest LLC40,447$15.8M0.16%+1,870+4.8%Added
Central Asset Investments & Management Holdings (HK) Ltd40,086$15.7M14.60%−48,138−54.6%Reduced
Attestor Capital Ltd39,222$15.4M4.05%+39,222New
Public Sector Pension Investment Board39,031$15.3M0.05%−15,686−28.7%Reduced
Mercer Global Advisors Inc38,886$15.2M0.02%+1,174+3.1%Added
Cambridge Investment Research Advisors, Inc.38,620$15.1M0.04%+2,236+6.1%Added
Captrust Financial Advisors38,585$15.1M0.03%+5,610+17.0%Added
Panoramic Capital, LLC38,476$15.1M10.58%−15,400−28.6%Reduced
Ilmarinen Mutual Pension Insurance Co37,716$14.8M0.12%+37,716New
Northwestern Mutual Wealth Management Co37,474$14.7M0.01%−3,926−9.5%Reduced
UNICOM Systems, Inc.36,800$14.4M1.48%+36,800New
Windward Capital Management Co36,741$14.4M1.17%−15,514−29.7%Reduced
Life Cycle Investment Partners Ltd36,520$14.3M0.09%+36,520New
Truist Financial Corp36,331$14.2M0.02%−8,271−18.5%Reduced
DekaBank Deutsche Girozentrale37,100$14.1M0.02%00.0%Unchanged
Vinva Investment Management Ltd38,889$14.1M0.18%+14,574+59.9%Added
Bell Bank35,674$14.0M0.59%−13,694−27.7%Reduced
CI Private Wealth, LLC36,235$13.8M0.02%+857+2.4%Added
Chapin Davis, Inc.34,910$13.7M3.05%−2,932−7.7%Reduced
Allspring Global Investments Holdings, LLC30,853$13.1M0.02%+623+2.1%Added
Hanson & Doremus Investment Management33,263$13.0M1.50%−2,613−7.3%Reduced
Gotham Asset Management, LLC32,965$12.9M0.04%−8,468−20.4%Reduced
Investment Management Corp of Ontario32,882$12.9M0.17%+14,990+83.8%Added
Federation des caisses Desjardins du Quebec32,754$12.8M0.05%−1,346−3.9%Reduced
Aquatic Capital Management LLC32,719$12.8M0.37%−31,635−49.2%Reduced
Andra AP-fonden32,687$12.8M0.16%+32,687New
Sanctuary Advisors, LLC32,389$12.7M0.07%−464−1.4%Reduced
MML Investors Services, LLC32,381$12.7M0.04%−5,400−14.3%Reduced
U.S. Capital Wealth Advisors, LLC32,214$12.6M0.32%+3,711+13.0%Added
Old Port Advisors32,066$12.6M2.90%−1,209−3.6%Reduced
Affinity Wealth Management LLC32,051$12.6M1.90%+30+0.1%Added
Taikang Asset Management (Hong Kong) Co Ltd31,744$12.4M1.24%−4,033−11.3%Reduced
Harvest Fund Management Co., Ltd31,627$12.4M0.53%+2,180+7.4%Added
American Century Companies Inc31,386$12.3M0.01%+7,621+32.1%Added
Rockefeller Capital Management L.P.30,704$12.0M0.02%+8,314+37.1%Added
Vident Advisory, LLC30,491$11.9M0.10%+19,181+169.6%Added
Exchange Traded Concepts, LLC30,068$11.8M0.09%+27,932+1,307.7%Added
British Columbia Investment Management Corp30,027$11.8M0.07%−7,766−20.5%Reduced
Nordea Investment Management AB30,957$11.6M0.01%+9,486+44.2%Added
Lazard Asset Management LLC29,304$11.5M0.02%+945+3.3%Added
Prelude Capital Management, LLC29,162$11.4M0.88%+354+1.2%Added
Prime Capital Investment Advisors, LLC29,042$11.4M0.13%−4,167−12.5%Reduced
Icon Advisers Inc28,963$11.3M2.62%−14,881−33.9%Reduced
Lombard Odier Asset Management (Switzerland) SA28,910$11.3M0.43%+28,910New
Amalgamated Bank28,738$11.3M0.09%−590−2.0%Reduced
M&T Bank Corp28,657$11.2M0.04%−992−3.3%Reduced
Prudential Financial Inc28,602$11.2M0.01%+9,883+52.8%Added
Potrero Capital Research LLC28,340$11.1M6.81%−33,260−54.0%Reduced
Allworth Financial LP28,009$11.0M0.04%−255−0.9%Reduced
Lifeworks Advisors, LLC27,737$10.9M1.39%−8,271−23.0%Reduced
Ritholtz Wealth Management27,197$10.7M0.18%+5,876+27.6%Added
US Bancorp27,129$10.6M0.01%−13,024−32.4%Reduced