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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, Q2 2025

Institutional positions in Seagate Technology Holdings plc as of Jun 30, 2025. 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
956
+165 vs. Q1 2025
Shares held
199.2M
+12.5K (0.0%) vs. Q1 2025
Total value
$28.8B
+$11.9B (+70.1%) vs. Q1 2025
New holders
240
311 more added
Sold out
75
274 more reduced

10 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2025: 956 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 heldQ2 2025: $28.8B
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, Q2 2025

Shares, value and share of portfolio for each institution holding Seagate Technology Holdings plc; share changes are against Q1 2025.

Institutions holding STX in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Standard Life Aberdeen plc166,664$23.8M0.04%+8,658+5.5%Added
Rheos Capital Works Inc.164,500$23.7M1.37%−167,000−50.4%Reduced
Hallmark Capital Management Inc164,105$23.7M1.70%−42,435−20.5%Reduced
Envestnet Asset Management Inc161,131$23.3M0.01%+43,224+36.7%Added
Aviva PLC158,275$22.8M0.05%+10,241+6.9%Added
Talos Asset Management LP157,100$22.7M5.43%−24,300−13.4%Reduced
National Bank of Canada155,929$22.5M0.02%+38,881+33.2%Added
Storebrand Asset Management AS154,572$22.3M0.06%+50,566+48.6%Added
CCM Investment Advisers LLC154,333$22.3M2.40%−2,301−1.5%Reduced
TD Waterhouse Canada Inc.153,387$22.2M0.16%+4,683+3.1%Added
Korea Investment CORP140,073$20.2M0.04%−7,381−5.0%Reduced
Tudor Investment Corp Et Al131,131$18.9M0.14%+131,131New
Handelsbanken Fonder AB129,539$18.7M0.07%+47,985+58.8%Added
Manufacturers Life Insurance Company, The127,887$18.5M0.02%+462+0.4%Added
Pictet Asset Management Holding SA127,115$18.3M0.02%+4,588+3.7%Added
ARS Investment Partners, LLC123,841$17.9M1.30%+50,861+69.7%Added
Deroy & Devereaux Private Investment Counsel Inc123,286$17.8M0.96%+123,286New
Verition Fund Management LLC123,061$17.8M0.10%+32,911+36.5%Added
State of Wisconsin Investment Board121,958$17.6M0.04%−12,486−9.3%Reduced
Voya Investment Management LLC121,717$17.6M0.02%+77,994+178.4%Added
Kovitz Investment Group Partners, LLC120,929$17.5M0.07%+1,057+0.9%Added
Mirae Asset Global ETFs Holdings Ltd.120,270$17.4M0.03%+7,670+6.8%Added
Danske Bank A/S113,117$16.3M0.04%+33,308+41.7%Added
Chevy Chase Trust Holdings, Inc.112,092$16.2M0.05%+1,061+1.0%Added
Hosking Partners LLP111,258$16.1M0.64%−2,167−1.9%Reduced
Jane Street Group, LLC110,180$15.9M0.03%+98,005+805.0%Added
La Banque Postale Asset Management SA110,139$15.9M0.22%+1,747+1.6%Added
Stifel Financial Corp109,472$15.8M0.02%+7,204+7.0%Added
Panoramic Capital, LLC108,216$15.6M12.04%−23,217−17.7%Reduced
Nomura Asset Management Co Ltd107,132$15.5M0.04%+5,797+5.7%Added
APG Asset Management N.V.125,628$15.4M0.05%+5,425+4.5%Added
TD Asset Management Inc106,997$15.4M0.01%−21,577−16.8%Reduced
Schonfeld Strategic Advisors LLC106,873$15.4M0.12%+104,369+4,168.1%Added
Canada Pension Plan Investment Board106,258$15.3M0.01%+106,258New
Boothbay Fund Management, LLC99,584$14.4M0.45%+4,946+5.2%Added
Beaconlight Capital, LLC96,397$13.9M8.14%+96,397New
Janney Montgomery Scott LLC93,294$13.5M0.04%+12,551+15.5%Added
Cetera Investment Advisers92,759$13.4M0.02%+9,537+11.5%Added
Asset Management One Co.,Ltd.90,042$13.0M0.04%+1,021+1.1%Added
Mitsubishi UFJ Trust & Banking Corp89,776$13.0M0.03%−9,239−9.3%Reduced
Commonwealth Equity Services, LLC88,189$12.7M0.02%−9,480−9.7%Reduced
Clearstead Advisors, LLC87,891$12.7M0.18%+75,575+613.6%Added
Royal London Asset Management Ltd87,656$12.7M0.03%−4,754−5.1%Reduced
1832 Asset Management L.P.86,206$12.4M0.02%+86,206New
Ensign Peak Advisors, Inc85,996$12.4M0.02%−6,442−7.0%Reduced
HSBC Holdings PLC84,329$12.1M0.01%−34,920−29.3%Reduced
Quantinno Capital Management LP83,367$12.0M0.05%+31,305+60.1%Added
Lazard Asset Management LLC83,278$12.0M0.02%+8,333+11.1%Added
Potrero Capital Research LLC82,100$11.8M5.51%+82,100New
HighTower Advisors, LLC77,072$11.1M0.01%+1,613+2.1%Added
Hancock Whitney Corp74,956$10.8M0.21%+4,530+6.4%Added
Macquarie Group Ltd74,070$10.7M0.01%−5,444−6.8%Reduced
KLP Kapitalforvaltning AS73,295$10.6M0.05%−1,900−2.5%Reduced
Rafferty Asset Management, LLC72,872$10.5M0.03%+13,627+23.0%Added
NewSquare Capital LLC73,463$10.5M0.78%+1,840+2.6%Added
Bell Bank71,585$10.3M0.48%−9,585−11.8%Reduced
Aufman Associates Inc70,481$10.2M6.27%−13,118−15.7%Reduced
Genus Capital Management Inc.70,102$10.1M1.29%−2,945−4.0%Reduced
Zweig-DiMenna Associates LLC70,100$10.1M1.04%+70,100New
State of New Jersey Common Pension Fund D69,112$9.97M0.04%+142+0.2%Added
Maytus Capital Management, LLC67,141$9.69M1.78%+67,141New
Resona Asset Management Co.,Ltd.66,856$9.65M0.05%+66,856New
Skandinaviska Enskilda Banken AB (publ)65,786$9.49M0.04%−38,580−37.0%Reduced
Clearbridge Investments, LLC65,273$9.42M0.01%−848,250−92.9%Reduced
KBC Group NV65,048$9.39M0.03%−845−1.3%Reduced
KWMG, LLC64,431$9.30M0.87%+440+0.7%Added
Lansforsakringar Fondforvaltning AB (publ)64,420$9.30M0.05%−6,193−8.8%Reduced
Natixis Advisors, L.P.64,307$9.28M0.01%−1,171−1.8%Reduced
Advisor Group Holdings, Inc.68,115$9.16M0.02%+25,351+59.3%Added
Engineers Gate Manager LP62,488$9.02M0.11%−10,745−14.7%Reduced
O'Shaughnessy Asset Management, LLC62,202$8.98M0.06%−8,214−11.7%Reduced
Arizona State Retirement System61,837$8.92M0.05%+693+1.1%Added
Allspring Global Investments Holdings, LLC61,263$8.89M0.01%+10,847+21.5%Added
Keystone Financial Group58,163$8.75M0.79%+1,435+2.5%Added
Entropy Technologies, LP60,562$8.74M0.69%+38,550+175.1%Added
Arvin Capital Management LP60,300$8.70M2.49%−80,334−57.1%Reduced
Greenland Capital Management LP59,996$8.66M1.12%−3,077−4.9%Reduced
Cubist Systematic Strategies, LLC59,977$8.66M0.09%+59,977New
Inlet Private Wealth, LLC59,650$8.61M2.12%−200−0.3%Reduced
Keybank National Association59,258$8.55M0.03%−20,697−25.9%Reduced
Occudo Quantitative Strategies LP58,731$8.48M0.95%+50,648+626.6%Added
State of Michigan Retirement System57,705$8.33M0.04%+300+0.5%Added
CIBC World Markets Inc.57,120$8.24M0.02%−71,700−55.7%Reduced
ProShare Advisors LLC56,768$8.19M0.02%+2,426+4.5%Added
Zurcher Kantonalbank (Zurich Cantonalbank)56,544$8.16M0.02%+13,140+30.3%Added
Windward Capital Management Co56,275$8.12M0.69%−1,276−2.2%Reduced
Insight Wealth Strategies, LLC55,136$8.00M1.01%+12,762+30.1%Added
Apis Capital Advisors, LLC54,000$7.79M2.77%+54,000New
Winton Group Ltd53,652$7.74M0.40%+53,652New
Aquatic Capital Management LLC52,841$7.63M0.15%−26,509−33.4%Reduced
Twin Lakes Capital Management, LLC52,467$7.57M4.61%−234−0.4%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys52,047$7.51M0.04%+3,632+7.5%Added
L & S Advisors Inc52,025$7.51M0.74%+52,025New
Stablepoint Partners, LLC51,905$7.49M1.27%+1,239+2.4%Added
Czech National Bank51,873$7.49M0.06%+3,248+6.7%Added
The PNC Financial Services Group, Inc.51,129$7.38M0.00%+4,647+10.0%Added
MetLife Investment Management50,535$7.29M0.04%−642−1.3%Reduced
Mirae Asset Securities (USA) Inc.50,130$7.24M0.32%+50,130New
Creative Planning49,803$7.19M0.01%+1,147+2.4%Added
iA Global Asset Management Inc.49,320$7.12M0.11%+49,320New