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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, Q3 2021

Institutional positions in Seagate Technology Holdings plc as of Sep 30, 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
694
+27 vs. Q2 2021
Shares held
184.1M
+347.2K (+0.2%) vs. Q2 2021
Total value
$15.2B
−$951.2M (−5.9%) vs. Q2 2021
New holders
88
261 more added
Sold out
61
215 more reduced

12 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2021: 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 holdersQ3 2021: 694 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 heldQ3 2021: $15.2B
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, Q3 2021

Shares, value and share of portfolio for each institution holding Seagate Technology Holdings plc; share changes are against Q2 2021.

Institutions holding STX in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
AXA S.A.128,496$10.6M0.03%+34,589+36.8%Added
Marshall Wace North America L.P.128,084$10.6M0.05%−8,480−6.2%Reduced
AQR Capital Management LLC126,402$10.4M0.02%−29,924−19.1%Reduced
State of New Jersey Common Pension Fund D122,496$10.1M0.03%−5,733−4.5%Reduced
Inlet Private Wealth, LLC120,464$9.94M2.66%−1,850−1.5%Reduced
Kovitz Investment Group Partners, LLC119,507$9.86M0.20%−220−0.2%Reduced
Aufman Associates Inc116,453$9.61M7.90%−233−0.2%Reduced
HighTower Advisors, LLC114,296$9.44M0.03%−10,243−8.2%Reduced
Achmea Investment Management B.V.109,569$9.04M0.27%+21,274+24.1%Added
Squarepoint Ops LLC109,339$9.02M0.06%+22,595+26.0%Added
Russell Investments Group, Ltd.107,763$8.89M0.02%−9,693−8.3%Reduced
Balyasny Asset Management LLC105,312$8.69M0.04%−153,489−59.3%Reduced
Illinois Municipal Retirement Fund104,793$8.65M0.32%00.0%Unchanged
Millennium Management LLC104,382$8.61M0.01%−542,158−83.9%Reduced
Shelton Capital Management100,070$8.26M0.32%+43,700+77.5%Added
Standard Life Aberdeen plc97,577$8.12M0.02%+97,577New
Citadel Advisors LLC97,797$8.07M0.01%−55,584−36.2%Reduced
Janney Montgomery Scott LLC97,405$8.04M0.03%+3,211+3.4%Added
13D Management LLC92,769$7.66M2.85%00.0%Unchanged
Ziegler Capital Management, LLC90,825$7.49M0.27%−13,341−12.8%Reduced
Vestcor Inc89,997$7.43M0.27%−2,371−2.6%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.89,478$7.38M0.04%+12,075+15.6%Added
Handelsbanken Fonder AB88,891$7.33M0.04%−119−0.1%Reduced
Virginia Retirement Systems Et Al88,200$7.28M0.07%+55,500+169.7%Added
United Services Automobile Association87,069$7.18M0.13%+614+0.7%Added
Advisor Group Holdings, Inc.86,566$7.15M0.01%−22,483−20.6%Reduced
SEI Investments Co85,318$7.05M0.01%+5,042+6.3%Added
Vancity Investment Management Ltd83,884$6.92M0.88%−363−0.4%Reduced
Snowden Capital Advisors LLC81,663$6.74M0.34%−428−0.5%Reduced
American International Group, Inc.80,607$6.65M0.04%+1,940+2.5%Added
CIBC World Markets Corp80,257$6.62M0.05%−15,351−16.1%Reduced
Sheaff Brock Investment Advisors, LLC79,360$6.55M0.64%+66,196+502.9%Added
Navellier & Associates Inc78,108$6.45M0.97%+78,108New
Commonwealth Equity Services, LLC77,811$6.42M0.02%+8,637+12.5%Added
Truist Financial Corp76,701$6.33M0.01%+1,107+1.5%Added
Wolverine Trading, LLC72,971$6.06M0.12%+43,938+151.3%Added
Retirement Systems of Alabama71,908$5.93M0.02%−931−1.3%Reduced
USS Investment Management Ltd69,644$5.75M0.05%+30,220+76.7%Added
Royal London Asset Management Ltd69,425$5.73M0.02%00.0%Unchanged
Forsta Ap-Fonden68,700$5.67M0.06%+6,800+11.0%Added
AE Wealth Management LLC66,514$5.49M0.05%+5,000+8.1%Added
Thompson Siegel & Walmsley LLC66,016$5.45M0.08%00.0%Unchanged
Pendal Group Limited66,016$5.45M0.04%+66,016New
Jupiter Asset Management Ltd65,054$5.37M0.06%−358,929−84.7%Reduced
Hanson & Doremus Investment Management64,891$5.36M1.24%−13,183−16.9%Reduced
State Board of Administration of Florida Retirement System64,699$5.34M0.01%−3,360−4.9%Reduced
Claudia M.P. Batlle, CRP (R) LLC64,659$5.34M2.54%+64,659New
First Republic Investment Management, Inc.64,145$5.29M0.01%+5,493+9.4%Added
Mercer Global Advisors Inc63,659$5.25M0.04%−726−1.1%Reduced
Raymond James Financial Services Advisors, Inc.63,388$5.23M0.01%+11,325+21.8%Added
CCM Investment Advisers LLC62,705$5.17M0.67%+62,705New
Berger Financial Group, Inc62,533$5.16M0.93%−1,228−1.9%Reduced
Aviva PLC61,962$5.11M0.02%−5,389−8.0%Reduced
Catalyst Capital Advisors LLC61,800$5.10M0.26%−2,900−4.5%Reduced
TCW Group Inc60,683$5.01M0.04%+179+0.3%Added
Gotham Asset Management, LLC60,568$5.00M0.20%−6,398−9.6%Reduced
Artemis Investment Management LLP59,119$4.98M0.04%+59,119New
Crossvault Capital Management LLC60,280$4.97M1.57%+300+0.5%Added
Windward Capital Management Co60,128$4.96M0.46%+241+0.4%Added
State of Michigan Retirement System59,619$4.92M0.03%+2,600+4.6%Added
Zurcher Kantonalbank (Zurich Cantonalbank)58,385$4.82M0.03%+58,385New
Freestone Capital Holdings, LLC58,022$4.79M0.24%−2,762−4.5%Reduced
Panview Asian Equity Master Fund154,200$4.79M6.89%+16,000+11.6%Added
Arizona State Retirement System57,807$4.77M0.04%−2,401−4.0%Reduced
Sepio Capital, LP57,626$4.75M0.40%+29,826+107.3%Added
Bell Bank57,568$4.75M0.59%+2,321+4.2%Added
Teachers Retirement System of the State of Kentucky57,190$4.72M0.04%−256,000−81.7%Reduced
Korea Investment CORP56,500$4.66M0.01%+13,700+32.0%Added
Twin Lakes Capital Management, LLC56,435$4.66M2.73%00.0%Unchanged
M&G Investment Management Ltd55,633$4.62M0.02%+14,614+35.6%Added
KWMG, LLC55,660$4.59M0.67%+654+1.2%Added
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund55,600$4.59M0.04%−7,200−11.5%Reduced
Nuveen Asset Management, LLC54,936$4.53M0.00%−940−1.7%Reduced
Kestra Advisory Services, LLC54,459$4.49M0.04%+337+0.6%Added
Susquehanna International Group, LLP54,258$4.48M0.01%−684,753−92.7%Reduced
Baird Financial Group, Inc.53,949$4.45M0.01%+5,801+12.0%Added
Mirae Asset Global Investments Co., Ltd.53,417$4.41M0.01%+8,867+19.9%Added
Swiss Life Asset Management Ltd52,297$4.31M0.06%−32,283−38.2%Reduced
Los Angeles Capital Management LLC51,611$4.26M0.02%−42,734−45.3%Reduced
Advisory Services Network, LLC50,666$4.18M0.13%−8,715−14.7%Reduced
Man Group plc49,880$4.12M0.01%−67,358−57.5%Reduced
Creative Planning48,986$4.04M0.01%+843+1.8%Added
Voya Investment Management LLC48,712$4.02M0.01%−3,680−7.0%Reduced
Alerus Financial NA48,228$3.98M0.36%+19,976+70.7%Added
Group One Trading, L.P.48,065$3.97M0.09%−3,071−6.0%Reduced
MetLife Investment Management47,293$3.90M0.03%+1,129+2.4%Added
Nomura Asset Management Co Ltd47,109$3.89M0.02%−11,925−20.2%Reduced
Gulf International Bank (UK) Ltd45,559$3.76M0.05%−456−1.0%Reduced
Force Hill Capital Management LP45,121$3.72M0.92%+45,121New
Cambridge Investment Research Advisors, Inc.44,868$3.70M0.02%−1,676−3.6%Reduced
HSBC Holdings PLC43,479$3.60M0.00%+43,479New
Foster & Motley Inc43,413$3.58M0.30%+7,664+21.4%Added
DnB Asset Management AS43,039$3.55M0.02%+368+0.9%Added
Comerica Bank40,634$3.54M0.02%−2,056−4.8%Reduced
Wealthfront Advisers LLC42,809$3.53M0.02%+11,538+36.9%Added
Integrated Advisors Network LLC42,409$3.50M0.23%+4,498+11.9%Added
ProShare Advisors LLC41,300$3.41M0.01%−1,123−2.6%Reduced
Jacobs Levy Equity Management, Inc40,400$3.33M0.02%+528+1.3%Added
Todd Asset Management LLC40,290$3.33M0.08%−256,704−86.4%Reduced
Rockefeller Capital Management L.P.39,089$3.22M0.02%+5,922+17.9%Added