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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 2021

Institutional positions in Seagate Technology Holdings plc as of Mar 31, 2021. 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
678
No complete 13F data for Q4 2020
Shares held
201.7M
No complete 13F data for Q4 2020
Total value
$15.5B
No complete 13F data for Q4 2020

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 2021: 678 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 2021: $15.5B
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 2021

Shares, value and share of portfolio for each institution holding Seagate Technology Holdings plc.

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding STX in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc25,166,779$1.93B0.05%––
ValueAct Holdings, L.P.SuperinvestorValueAct Capital23,011,223$1.77B20.61%––
BlackRock Inc.15,059,730$1.16B0.03%––
FMR LLC14,800,634$1.14B0.10%––
Clearbridge Investments, LLC11,930,910$915.7M0.68%––
JPMorgan Chase & Co10,754,083$825.4M0.12%––
State Street Corp9,189,794$711.4M0.04%––
Bank of America Corp7,999,858$614.0M0.07%––
LSV Asset Management5,833,932$447.8M0.76%––
Morgan Stanley4,073,422$312.6M0.05%––
Geode Capital Management, LLC3,076,984$235.5M0.04%––
First Trust Advisors LP2,854,101$219.1M0.27%––
Invesco Ltd.2,761,361$211.9M0.06%––
Northern Trust Corp2,326,894$178.6M0.03%––
Bank of New York Mellon Corp2,245,654$172.4M0.04%––
Janus Henderson Group PLC2,059,216$158.0M0.07%––
Legal & General Group Plc2,007,723$154.1M0.06%––
Allianz Asset Management GmbH1,933,961$148.4M0.15%––
Dimensional Fund Advisors LP1,899,801$145.8M0.05%––
Swedbank AB1,802,715$138.4M0.29%––
Norges Bank1,789,648$137.4M0.03%––
Parametric Portfolio Associates LLC1,576,210$121.0M0.07%––
Wells Fargo & Company1,426,772$109.5M0.03%––
UBS Asset Management Americas Inc1,397,522$107.3M0.05%––
Amundi Asset Management US, Inc.1,389,703$106.7M0.08%––
Schroder Investment Management Group1,274,848$97.8M0.13%––
Charles Schwab Investment Management Inc1,035,762$79.5M0.03%––
Goldman Sachs Group Inc979,582$75.2M0.02%––
Robeco Institutional Asset Management B.V.923,298$70.9M0.17%––
O'Shaughnessy Asset Management, LLC896,857$68.8M1.53%––
Swiss National Bank890,042$68.3M0.05%––
Wedge Capital Management L L P796,236$61.1M0.73%––
Waddell & Reed Financial Inc731,747$56.2M0.12%––
Wellington Management Group LLP728,597$55.9M0.01%––
Deutsche Bank AG724,099$55.6M0.03%––
Two Sigma Advisers, LP712,500$54.7M0.15%––
Partners Capital Investment Group, LLP682,706$52.4M2.30%––
DekaBank Deutsche Girozentrale676,121$51.0M0.17%––
Ameriprise Financial Inc658,897$50.6M0.02%––
Credit Suisse AG652,684$50.1M0.04%––
Raymond James & Associates639,141$49.1M0.05%––
Cacti Asset Management LLC622,851$47.8M4.22%––
Assetmark, Inc591,994$45.4M0.23%––
PGGM Investments582,997$44.7M0.19%––
AustralianSuper Pty Ltd557,981$42.8M0.34%––
APG Asset Management N.V.631,406$41.2M0.07%––
KBC Group NV535,266$41.1M0.17%––
Barclays PLC531,943$40.8M0.04%––
AXA S.A.503,996$38.7M0.12%––
California Public Employees Retirement System483,378$37.1M0.03%––
Citigroup Inc471,796$36.2M0.03%––
UBS Group AG445,459$34.2M0.02%––
Stifel Financial Corp440,663$33.8M0.06%––
Royal Bank of Canada424,635$32.6M0.01%––
Great West Life Assurance Co414,639$31.6M0.08%––
SG Americas Securities, LLC411,815$31.6M0.19%––
HighTower Advisors, LLC406,464$31.2M0.10%––
Bank of Montreal387,077$31.0M0.02%––
Victory Capital Management Inc389,597$29.9M0.03%––
Storebrand Asset Management AS383,074$29.4M0.16%––
Ensign Peak Advisors, Inc364,685$28.0M0.06%––
Mitsubishi UFJ Trust & Banking Corp403,935$27.1M0.06%––
GAM Holding AG340,100$26.1M1.22%––
BNP Paribas Arbitrage, SA331,712$25.5M0.06%––
Nordea Investment Management AB329,415$25.0M0.04%––
Millennium Management LLC324,587$24.9M0.03%––
Price T Rowe Associates Inc323,018$24.8M0.00%––
Alliancebernstein L.P.308,104$23.6M0.01%––
Hosking Partners LLP302,229$23.2M0.55%––
Cookson Peirce & Co Inc301,637$23.2M1.52%––
Alps Advisors Inc301,116$23.1M0.23%––
Arrowstreet Capital, Limited Partnership286,635$22.0M0.03%––
Jacobs Levy Equity Management, Inc276,065$21.2M0.16%––
AQR Capital Management LLC275,603$20.9M0.03%––
Railway Pension Investments Ltd266,489$20.5M0.19%––
New York State Teachers Retirement System260,322$20.0M0.04%––
QS Investors, LLC255,129$19.6M0.23%––
Envestnet Asset Management Inc253,625$19.5M0.01%––
BNP PARIBAS ASSET MANAGEMENT Holding S.A.252,938$19.4M0.08%––
Guggenheim Capital LLC247,572$19.0M0.13%––
Advisors Capital Management, LLC247,468$19.0M0.67%––
Principal Financial Group Inc244,247$18.7M0.01%––
Nuveen Asset Management, LLC237,365$18.2M0.01%––
Ergoteles LLC224,744$17.2M0.54%––
Mackenzie Financial Corp216,102$16.6M0.03%––
Manufacturers Life Insurance Company, The195,079$15.0M0.01%––
Adage Capital Partners GP, L.L.C.186,500$14.3M0.03%––
Prudential Financial Inc183,450$14.1M0.02%––
Rhumbline Advisers180,983$13.9M0.02%––
Andra AP-fonden172,600$13.2M0.29%––
AMP Capital Investors Ltd171,205$13.1M0.07%––
Chartwell Investment Partners, LLC165,461$12.7M0.38%––
Oregon Public Employees Retirement Fund160,310$12.3M0.15%––
Prudential PLC160,100$12.3M0.09%––
State of Wisconsin Investment Board156,497$12.0M0.03%––
Asset Management One Co.,Ltd.155,855$12.0M0.05%––
Twin Tree Management, LP149,654$11.5M0.44%––
State of Alaska, Department of Revenue144,794$11.1M0.12%––
Voloridge Investment Management, LLC141,098$10.8M0.08%––
LPL Financial LLC137,876$10.6M0.01%––