Skip to main content

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
Comerica Bank40,634$3.54M0.02%−2,056−4.8%Reduced
DnB Asset Management AS43,039$3.55M0.02%+368+0.9%Added
Foster & Motley Inc43,413$3.58M0.30%+7,664+21.4%Added
HSBC Holdings PLC43,479$3.60M0.00%+43,479New
Cambridge Investment Research Advisors, Inc.44,868$3.70M0.02%−1,676−3.6%Reduced
Force Hill Capital Management LP45,121$3.72M0.92%+45,121New
Gulf International Bank (UK) Ltd45,559$3.76M0.05%−456−1.0%Reduced
Nomura Asset Management Co Ltd47,109$3.89M0.02%−11,925−20.2%Reduced
MetLife Investment Management47,293$3.90M0.03%+1,129+2.4%Added
Group One Trading, L.P.48,065$3.97M0.09%−3,071−6.0%Reduced
Alerus Financial NA48,228$3.98M0.36%+19,976+70.7%Added
Voya Investment Management LLC48,712$4.02M0.01%−3,680−7.0%Reduced
Creative Planning48,986$4.04M0.01%+843+1.8%Added
Man Group plc49,880$4.12M0.01%−67,358−57.5%Reduced
Advisory Services Network, LLC50,666$4.18M0.13%−8,715−14.7%Reduced
Los Angeles Capital Management LLC51,611$4.26M0.02%−42,734−45.3%Reduced
Swiss Life Asset Management Ltd52,297$4.31M0.06%−32,283−38.2%Reduced
Mirae Asset Global Investments Co., Ltd.53,417$4.41M0.01%+8,867+19.9%Added
Baird Financial Group, Inc.53,949$4.45M0.01%+5,801+12.0%Added
Susquehanna International Group, LLP54,258$4.48M0.01%−684,753−92.7%Reduced
Kestra Advisory Services, LLC54,459$4.49M0.04%+337+0.6%Added
Nuveen Asset Management, LLC54,936$4.53M0.00%−940−1.7%Reduced
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund55,600$4.59M0.04%−7,200−11.5%Reduced
KWMG, LLC55,660$4.59M0.67%+654+1.2%Added
M&G Investment Management Ltd55,633$4.62M0.02%+14,614+35.6%Added
Twin Lakes Capital Management, LLC56,435$4.66M2.73%00.0%Unchanged
Korea Investment CORP56,500$4.66M0.01%+13,700+32.0%Added
Teachers Retirement System of the State of Kentucky57,190$4.72M0.04%−256,000−81.7%Reduced
Bell Bank57,568$4.75M0.59%+2,321+4.2%Added
Sepio Capital, LP57,626$4.75M0.40%+29,826+107.3%Added
Arizona State Retirement System57,807$4.77M0.04%−2,401−4.0%Reduced
Panview Asian Equity Master Fund154,200$4.79M6.89%+16,000+11.6%Added
Freestone Capital Holdings, LLC58,022$4.79M0.24%−2,762−4.5%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)58,385$4.82M0.03%+58,385New
State of Michigan Retirement System59,619$4.92M0.03%+2,600+4.6%Added
Windward Capital Management Co60,128$4.96M0.46%+241+0.4%Added
Crossvault Capital Management LLC60,280$4.97M1.57%+300+0.5%Added
Artemis Investment Management LLP59,119$4.98M0.04%+59,119New
Gotham Asset Management, LLC60,568$5.00M0.20%−6,398−9.6%Reduced
TCW Group Inc60,683$5.01M0.04%+179+0.3%Added
Catalyst Capital Advisors LLC61,800$5.10M0.26%−2,900−4.5%Reduced
Aviva PLC61,962$5.11M0.02%−5,389−8.0%Reduced
Berger Financial Group, Inc62,533$5.16M0.93%−1,228−1.9%Reduced
CCM Investment Advisers LLC62,705$5.17M0.67%+62,705New
Raymond James Financial Services Advisors, Inc.63,388$5.23M0.01%+11,325+21.8%Added
Mercer Global Advisors Inc63,659$5.25M0.04%−726−1.1%Reduced
First Republic Investment Management, Inc.64,145$5.29M0.01%+5,493+9.4%Added
Claudia M.P. Batlle, CRP (R) LLC64,659$5.34M2.54%+64,659New
State Board of Administration of Florida Retirement System64,699$5.34M0.01%−3,360−4.9%Reduced
Hanson & Doremus Investment Management64,891$5.36M1.24%−13,183−16.9%Reduced
Jupiter Asset Management Ltd65,054$5.37M0.06%−358,929−84.7%Reduced
Thompson Siegel & Walmsley LLC66,016$5.45M0.08%00.0%Unchanged
Pendal Group Limited66,016$5.45M0.04%+66,016New
AE Wealth Management LLC66,514$5.49M0.05%+5,000+8.1%Added
Forsta Ap-Fonden68,700$5.67M0.06%+6,800+11.0%Added
Royal London Asset Management Ltd69,425$5.73M0.02%00.0%Unchanged
USS Investment Management Ltd69,644$5.75M0.05%+30,220+76.7%Added
Retirement Systems of Alabama71,908$5.93M0.02%−931−1.3%Reduced
Wolverine Trading, LLC72,971$6.06M0.12%+43,938+151.3%Added
Truist Financial Corp76,701$6.33M0.01%+1,107+1.5%Added
Commonwealth Equity Services, LLC77,811$6.42M0.02%+8,637+12.5%Added
Navellier & Associates Inc78,108$6.45M0.97%+78,108New
Sheaff Brock Investment Advisors, LLC79,360$6.55M0.64%+66,196+502.9%Added
CIBC World Markets Corp80,257$6.62M0.05%−15,351−16.1%Reduced
American International Group, Inc.80,607$6.65M0.04%+1,940+2.5%Added
Snowden Capital Advisors LLC81,663$6.74M0.34%−428−0.5%Reduced
Vancity Investment Management Ltd83,884$6.92M0.88%−363−0.4%Reduced
SEI Investments Co85,318$7.05M0.01%+5,042+6.3%Added
Advisor Group Holdings, Inc.86,566$7.15M0.01%−22,483−20.6%Reduced
United Services Automobile Association87,069$7.18M0.13%+614+0.7%Added
Virginia Retirement Systems Et Al88,200$7.28M0.07%+55,500+169.7%Added
Handelsbanken Fonder AB88,891$7.33M0.04%−119−0.1%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.89,478$7.38M0.04%+12,075+15.6%Added
Vestcor Inc89,997$7.43M0.27%−2,371−2.6%Reduced
Ziegler Capital Management, LLC90,825$7.49M0.27%−13,341−12.8%Reduced
13D Management LLC92,769$7.66M2.85%00.0%Unchanged
Janney Montgomery Scott LLC97,405$8.04M0.03%+3,211+3.4%Added
Citadel Advisors LLC97,797$8.07M0.01%−55,584−36.2%Reduced
Standard Life Aberdeen plc97,577$8.12M0.02%+97,577New
Shelton Capital Management100,070$8.26M0.32%+43,700+77.5%Added
Millennium Management LLC104,382$8.61M0.01%−542,158−83.9%Reduced
Illinois Municipal Retirement Fund104,793$8.65M0.32%00.0%Unchanged
Balyasny Asset Management LLC105,312$8.69M0.04%−153,489−59.3%Reduced
Russell Investments Group, Ltd.107,763$8.89M0.02%−9,693−8.3%Reduced
Squarepoint Ops LLC109,339$9.02M0.06%+22,595+26.0%Added
Achmea Investment Management B.V.109,569$9.04M0.27%+21,274+24.1%Added
HighTower Advisors, LLC114,296$9.44M0.03%−10,243−8.2%Reduced
Aufman Associates Inc116,453$9.61M7.90%−233−0.2%Reduced
Kovitz Investment Group Partners, LLC119,507$9.86M0.20%−220−0.2%Reduced
Inlet Private Wealth, LLC120,464$9.94M2.66%−1,850−1.5%Reduced
State of New Jersey Common Pension Fund D122,496$10.1M0.03%−5,733−4.5%Reduced
AQR Capital Management LLC126,402$10.4M0.02%−29,924−19.1%Reduced
Marshall Wace North America L.P.128,084$10.6M0.05%−8,480−6.2%Reduced
AXA S.A.128,496$10.6M0.03%+34,589+36.8%Added
Chevy Chase Trust Holdings, Inc.129,938$10.7M0.04%+1,194+0.9%Added
Churchill Management Corp132,145$10.9M0.16%−3,041−2.2%Reduced
Nicola Wealth Management Ltd.135,400$11.2M1.15%+18,000+15.3%Added
Eaton Vance Management140,922$11.2M0.02%−403−0.3%Reduced
AMP Capital Investors Ltd137,372$11.3M0.06%−22,059−13.8%Reduced
Pictet Asset Management SA137,472$11.3M0.01%+137,472New