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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 2023

Institutional positions in Seagate Technology Holdings plc as of Sep 30, 2023. 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
657
+3 vs. Q2 2023
Shares held
186.6M
+8.07M (+4.5%) vs. Q2 2023
Total value
$12.3B
+$1.31B (+11.9%) vs. Q2 2023
New holders
70
204 more added
Sold out
67
243 more reduced

6 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2023: 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 2023: 657 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 2023: $12.3B
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 2023

Shares, value and share of portfolio for each institution holding Seagate Technology Holdings plc; share changes are against Q2 2023.

Institutions holding STX in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Moore Capital Management, LP50,000$3.30M0.09%−10,000−16.7%Reduced
Arizona State Retirement System50,846$3.35M0.03%+130+0.3%Added
Hanson & Doremus Investment Management51,452$3.39M0.70%−380−0.7%Reduced
Korea Investment CORP52,492$3.46M0.01%−7,317−12.2%Reduced
State of Michigan Retirement System52,905$3.49M0.02%−100−0.2%Reduced
Walleye Capital LLC53,595$3.53M0.05%+53,595New
Two Sigma Investments, LP53,781$3.55M0.01%+53,781New
State of Tennessee, Treasury Department56,231$3.71M0.01%+25,476+82.8%Added
Rafferty Asset Management, LLC56,563$3.73M0.02%−4,676−7.6%Reduced
Guggenheim Capital LLC57,289$3.78M0.03%−754−1.3%Reduced
Cetera Investment Advisers57,347$3.78M0.03%−1,315−2.2%Reduced
Aristeia Capital LLC57,400$3.79M0.16%+57,400New
State of Alaska, Department of Revenue59,011$3.89M0.05%−550−0.9%Reduced
Twin Lakes Capital Management, LLC59,027$3.89M2.87%+552+0.9%Added
Windward Capital Management Co60,494$3.99M0.39%−174−0.3%Reduced
NewSquare Capital LLC61,448$4.00M0.42%+973+1.6%Added
Voya Investment Management LLC60,744$4.01M0.00%−1,182−1.9%Reduced
State Board of Administration of Florida Retirement System61,038$4.03M0.01%+37,726+161.8%Added
DekaBank Deutsche Girozentrale62,739$4.12M0.01%−1,063−1.7%Reduced
Andra AP-fonden62,600$4.13M0.24%+13,200+26.7%Added
Mirae Asset Global Investments Co., Ltd.63,179$4.17M0.01%+15,146+31.5%Added
Prudential Financial Inc64,716$4.27M0.01%−1,225−1.9%Reduced
KWMG, LLC66,701$4.40M0.55%+2,267+3.5%Added
LGT Group Foundation68,344$4.52M0.11%+1,310+2.0%Added
Royal London Asset Management Ltd68,759$4.54M0.01%+2,880+4.4%Added
Raymond James Financial Services Advisors, Inc.69,580$4.59M0.01%+842+1.2%Added
Prime Capital Investment Advisors, LLC70,012$4.62M0.09%+170.0%Added
Asset Management One Co.,Ltd.73,574$4.85M0.02%−1,056−1.4%Reduced
TD Asset Management Inc75,070$4.95M0.01%−43,889−36.9%Reduced
Snowden Capital Advisors LLC76,426$5.04M0.21%−901−1.2%Reduced
Balyasny Asset Management LLC77,347$5.10M0.01%+58,349+307.1%Added
AustralianSuper Pty Ltd78,089$5.15M0.03%−4,551−5.5%Reduced
Storebrand Asset Management AS80,655$5.32M0.03%−38,882−32.5%Reduced
Wolverine Trading, LLC81,074$5.35M0.05%+32,451+66.7%Added
First Republic Investment Management, Inc.82,038$5.41M0.02%+82,038New
USS Investment Management Ltd83,422$5.50M0.06%+7,185+9.4%Added
Alerus Financial NA83,655$5.52M0.49%+2,983+3.7%Added
New York State Common Retirement Fund84,749$5.59M0.01%00.0%Unchanged
Commonwealth Equity Services, LLC84,804$5.59M0.01%+4,406+5.5%Added
Bayesian Capital Management, LP85,488$5.64M0.64%+85,488New
Gotham Asset Management, LLC86,680$5.72M0.12%+29,323+51.1%Added
HighTower Advisors, LLC87,468$5.78M0.01%+1,333+1.5%Added
Woodline Partners LP90,304$5.96M0.07%−225,056−71.4%Reduced
Inlet Private Wealth, LLC91,385$6.03M1.98%−24,879−21.4%Reduced
Nomura Asset Management Co Ltd92,733$6.12M0.03%+7,849+9.2%Added
American International Group, Inc.94,443$6.23M0.04%−1,023−1.1%Reduced
Handelsbanken Fonder AB95,423$6.29M0.04%−2,448−2.5%Reduced
Lido Advisors, LLC97,295$6.42M0.07%+86,095+768.7%Added
Toronto Dominion Bank101,819$6.71M0.01%−7,714−7.0%Reduced
State of New Jersey Common Pension Fund D104,158$6.87M0.02%−6,151−5.6%Reduced
Mitsubishi UFJ Trust & Banking Corp105,419$6.95M0.02%−3,322−3.1%Reduced
Nuveen Asset Management, LLC106,379$7.02M0.00%−4,320−3.9%Reduced
Aufman Associates Inc106,415$7.02M5.89%−238−0.2%Reduced
Pacer Advisors, Inc.107,925$7.12M0.03%−6,426−5.6%Reduced
Chevy Chase Trust Holdings, Inc.108,414$7.15M0.03%−2,377−2.1%Reduced
Artemis Investment Management LLP109,284$7.20M0.10%+109,284New
Janney Montgomery Scott LLC111,246$7.34M0.03%−5,266−4.5%Reduced
Bell Bank113,293$7.47M0.82%−527−0.5%Reduced
Monashee Investment Management LLC115,000$7.58M3.17%+115,000New
State of Wisconsin Investment Board117,559$7.75M0.02%+13,892+13.4%Added
Kovitz Investment Group Partners, LLC122,031$8.05M0.14%−991−0.8%Reduced
Manufacturers Life Insurance Company, The134,692$8.88M0.01%−98,751−42.3%Reduced
Nicola Wealth Management Ltd.136,900$9.03M0.97%−7,000−4.9%Reduced
Mizuho Markets Americas LLC139,000$9.17M0.34%+139,000New
Ensign Peak Advisors, Inc139,055$9.17M0.02%−49,885−26.4%Reduced
Pictet Asset Management Holding SA142,189$9.38M0.01%+142,189New
Advisor Group Holdings, Inc.144,139$9.51M0.01%+30,702+27.1%Added
CCM Investment Advisers LLC146,847$9.68M1.34%+1,362+0.9%Added
APG Asset Management N.V.148,375$9.79M0.02%−17,255−10.4%Reduced
Hosking Partners LLP148,711$9.81M0.43%−42,250−22.1%Reduced
Capital Fund Management S.A.148,979$9.83M0.13%+148,979New
Gilman Hill Asset Management, LLC156,664$10.3M2.04%+2,275+1.5%Added
Bank of Montreal164,544$10.5M0.01%+5,490+3.5%Added
Royal Bank of Canada159,404$10.5M0.00%−73,317−31.5%Reduced
Citigroup Inc163,905$10.8M0.02%−54,777−25.0%Reduced
Susquehanna International Group, LLP166,304$11.0M0.02%+50,532+43.6%Added
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.166,876$11.0M0.02%−913−0.5%Reduced
LPL Financial LLC168,737$11.1M0.01%+48,727+40.6%Added
Stifel Financial Corp176,373$11.6M0.02%−18,350−9.4%Reduced
Ameriprise Financial Inc181,821$12.0M0.00%+25,265+16.1%Added
FIL Ltd183,222$12.1M0.01%−1,582−0.9%Reduced
Intech Investment Management LLC184,139$12.1M0.18%−94,582−33.9%Reduced
New York State Teachers Retirement System184,481$12.2M0.03%−8,156−4.2%Reduced
Connor, Clark & Lunn Investment Management Ltd.185,396$12.2M0.06%+152,338+460.8%Added
GAM Holding AG196,171$12.9M0.96%−15,564−7.4%Reduced
Rhumbline Advisers196,904$13.0M0.02%−5,548−2.7%Reduced
Principal Financial Group Inc206,136$13.6M0.01%−590−0.3%Reduced
Tudor Investment Corp Et Al214,110$14.1M0.21%+209,749+4,809.7%Added
M&G Investment Management Ltd220,610$14.6M0.11%+3,712+1.7%Added
California State Teachers Retirement System240,400$15.9M0.02%+2,535+1.1%Added
United Services Automobile Association245,606$16.2M0.41%00.0%Unchanged
Price T Rowe Associates Inc249,605$16.5M0.00%−7,707−3.0%Reduced
Davidson Kempner Capital Management LP250,000$16.5M0.25%+125,000+100.0%Added
Two Sigma Advisers, LP254,600$16.8M0.04%+37,600+17.3%Added
Robeco Institutional Asset Management B.V.254,883$16.8M0.04%−69,496−21.4%Reduced
Partners Capital Investment Group, LLP255,630$16.9M0.40%−14,031−5.2%Reduced
Alliancebernstein L.P.267,039$17.6M0.01%−8,205−3.0%Reduced
Squarepoint Ops LLC270,294$17.8M0.09%−88,557−24.7%Reduced
Millennium Management LLC279,951$18.5M0.02%+244,369+686.8%Added
Primecap Management Co280,700$18.5M0.02%+6,000+2.2%Added