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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, Q4 2021

Institutional positions in Seagate Technology Holdings plc as of Dec 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
794
+108 vs. Q3 2021
Shares held
180.8M
−3.16M (−1.7%) vs. Q3 2021
Total value
$20.4B
+$5.24B (+34.6%) vs. Q3 2021
New holders
164
217 more added
Sold out
56
283 more reduced

8 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2021: 794 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 heldQ4 2021: $20.4B
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, Q4 2021

Shares, value and share of portfolio for each institution holding Seagate Technology Holdings plc; share changes are against Q3 2021.

Institutions holding STX in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc24,540,478$2.77B0.06%+10,2640.0%Added
ValueAct Holdings, L.P.SuperinvestorValueAct Capital15,487,070$1.75B19.73%−1,890,000−10.9%Reduced
BlackRock Inc.14,597,253$1.65B0.04%−1,383,230−8.7%Reduced
JPMorgan Chase & Co12,016,674$1.36B0.17%−1,264,002−9.5%Reduced
State Street Corp9,367,384$1.06B0.05%+230,667+2.5%Added
Clearbridge Investments, LLC8,366,822$945.3M0.64%−1,886,284−18.4%Reduced
Bank of America Corp7,952,532$898.5M0.10%+64,590+0.8%Added
FMR LLC7,741,343$874.6M0.06%−462,543−5.6%Reduced
LSV Asset Management5,545,957$626.6M1.11%−305,955−5.2%Reduced
Sanders Capital, LLC3,998,452$451.7M0.92%+3,058,553+325.4%Added
Morgan Stanley3,617,433$408.7M0.05%−577,391−13.8%Reduced
Geode Capital Management, LLC3,398,966$383.1M0.05%−27,167−0.8%Reduced
Bank of New York Mellon Corp2,763,413$312.2M0.06%+315,852+12.9%Added
Allianz Asset Management GmbH2,452,197$277.1M0.20%+473,901+24.0%Added
Northern Trust Corp2,362,741$266.9M0.04%−22,852−1.0%Reduced
Polar Capital Holdings Plc2,353,246$265.9M1.38%+1,019,470+76.4%Added
Legal & General Group Plc2,117,613$239.2M0.07%−104,840−4.7%Reduced
Norges Bank1,959,183$221.3M0.05%−23,387−1.2%Reduced
Invesco Ltd.1,764,846$199.4M0.05%−152,559−8.0%Reduced
Holocene Advisors, LP1,751,147$197.8M1.05%+1,751,147New
Dimensional Fund Advisors LP1,586,768$179.3M0.05%−123,865−7.2%Reduced
Two Sigma Advisers, LP1,571,400$177.5M0.44%+839,100+114.6%Added
Antipodes Partners Ltd1,435,797$162.2M5.83%+718,668+100.2%Added
Parametric Portfolio Associates LLC1,130,697$127.7M0.07%+33,199+3.0%Added
Swedbank AB1,107,145$126.0M0.21%−6,369−0.6%Reduced
UBS Asset Management Americas Inc1,059,897$119.7M0.05%−157,734−13.0%Reduced
Wells Fargo & Company1,057,951$119.5M0.03%−210,569−16.6%Reduced
Charles Schwab Investment Management Inc1,045,238$118.1M0.03%−16,676−1.6%Reduced
KBC Group NV1,035,881$117.0M0.39%+441,127+74.2%Added
Robeco Institutional Asset Management B.V.997,141$112.7M0.24%−158,213−13.7%Reduced
Goldman Sachs Group Inc992,486$112.1M0.03%−225,848−18.5%Reduced
Janus Henderson Group PLC967,680$109.3M0.05%−849,035−46.7%Reduced
Renaissance Technologies LLC959,493$108.4M0.13%+959,493New
Swiss National Bank778,553$88.0M0.05%−35,700−4.4%Reduced
Amundi759,456$84.2M0.05%+241,615+46.7%Added
GAM Holding AG732,821$82.8M3.69%+297,450+68.3%Added
Two Sigma Investments, LP721,943$81.6M0.20%+334,394+86.3%Added
Ameriprise Financial Inc642,761$71.2M0.02%+18,449+3.0%Added
Cacti Asset Management LLC602,651$68.1M5.38%00.0%Unchanged
Partners Capital Investment Group, LLP598,745$67.6M3.13%−51,285−7.9%Reduced
Raymond James & Associates596,790$67.4M0.05%−41,715−6.5%Reduced
Wedge Capital Management L L P581,702$65.7M0.81%+581,702New
Royal Bank of Canada548,605$62.0M0.02%−41,796−7.1%Reduced
Assetmark, Inc531,741$60.1M0.25%−50,156−8.6%Reduced
AustralianSuper Pty Ltd503,491$58.4M0.32%+12,396+2.5%Added
Macquarie Group Ltd472,160$53.3M0.04%−501,441−51.5%Reduced
American Century Companies Inc462,169$52.2M0.03%−31,027−6.3%Reduced
Storebrand Asset Management AS441,189$49.8M0.22%+65,724+17.5%Added
California Public Employees Retirement System436,298$49.3M0.03%−18,711−4.1%Reduced
APG Asset Management N.V.495,570$49.2M0.08%−46,900−8.6%Reduced
Cookson Peirce & Co Inc339,305$38.3M2.13%−6,082−1.8%Reduced
Russell Investments Group, Ltd.332,055$37.5M0.06%+224,292+208.1%Added
UBS Group AG328,452$37.1M0.01%+21,228+6.9%Added
Mitsubishi UFJ Trust & Banking Corp322,650$36.5M0.08%−42,542−11.6%Reduced
Stifel Financial Corp322,554$36.4M0.05%+11,479+3.7%Added
Credit Suisse AG311,929$35.2M0.03%−11,531−3.6%Reduced
Victory Capital Management Inc307,742$34.8M0.03%−40,839−11.7%Reduced
Price T Rowe Associates Inc304,710$34.4M0.00%−664−0.2%Reduced
Envestnet Asset Management Inc300,416$33.9M0.02%+44,205+17.3%Added
Teachers Retirement System of the State of Kentucky298,738$33.8M0.30%+241,548+422.4%Added
Bank of Montreal292,991$33.5M0.02%−187,188−39.0%Reduced
Voloridge Investment Management, LLC291,596$32.9M0.18%−325,622−52.8%Reduced
Todd Asset Management LLC284,346$32.1M0.69%+244,056+605.7%Added
Citigroup Inc282,407$31.9M0.03%+27,331+10.7%Added
Alliancebernstein L.P.277,189$31.3M0.01%−4,578−1.6%Reduced
Hosking Partners LLP263,192$29.7M0.72%−5,021−1.9%Reduced
Citadel Advisors LLC260,197$29.4M0.03%+162,400+166.1%Added
California State Teachers Retirement System251,396$28.4M0.03%+68,451+37.4%Added
New York State Teachers Retirement System244,217$27.6M0.05%−1,397−0.6%Reduced
Nordea Investment Management AB240,225$27.4M0.03%−56,717−19.1%Reduced
O'Shaughnessy Asset Management, LLC238,995$27.0M0.48%−286,162−54.5%Reduced
Franklin Resources Inc236,303$26.7M0.01%−7,366−3.0%Reduced
Principal Financial Group Inc235,771$26.6M0.02%−11,849−4.8%Reduced
Advisors Capital Management, LLC221,748$25.1M0.68%+34,031+18.1%Added
TCW Group Inc194,076$21.9M0.18%+133,393+219.8%Added
First Trust Advisors LP194,009$21.9M0.02%−167,132−46.3%Reduced
Rhumbline Advisers181,846$20.5M0.03%−11,057−5.7%Reduced
Ensign Peak Advisors, Inc180,755$20.4M0.04%−99,066−35.4%Reduced
TD Asset Management Inc176,879$20.0M0.02%−11,480−6.1%Reduced
LPL Financial LLC170,303$19.2M0.02%−2,041−1.2%Reduced
DekaBank Deutsche Girozentrale162,267$18.8M0.05%−51,565−24.1%Reduced
Chartwell Investment Partners, LLC164,663$18.6M0.54%−18,164−9.9%Reduced
Prudential Financial Inc176,499$18.0M0.02%+694+0.4%Added
Manufacturers Life Insurance Company, The157,967$17.8M0.01%−34,344−17.9%Reduced
Andra AP-fonden155,100$17.5M0.36%−4,300−2.7%Reduced
Caisse de Depot Et Placement du Quebec151,989$17.2M0.04%−13,100−7.9%Reduced
Rodgers Brothers Inc.149,421$16.9M3.00%−1,750−1.2%Reduced
HighTower Advisors, LLC145,082$16.4M0.04%+30,786+26.9%Added
Eaton Vance Management141,349$16.0M0.02%+427+0.3%Added
CCM Investment Advisers LLC138,867$15.7M1.90%+76,162+121.5%Added
Asset Management One Co.,Ltd.134,251$15.4M0.05%−9,507−6.6%Reduced
Nicola Wealth Management Ltd.135,400$15.3M1.44%00.0%Unchanged
State of Wisconsin Investment Board133,814$15.1M0.03%−21,045−13.6%Reduced
Churchill Management Corp128,245$14.5M0.20%−3,900−3.0%Reduced
Guggenheim Capital LLC127,310$14.4M0.08%−46,168−26.6%Reduced
PFS Investments Inc.124,812$14.1M0.27%+755+0.6%Added
Chevy Chase Trust Holdings, Inc.124,295$14.0M0.05%−5,643−4.3%Reduced
Illinois Municipal Retirement Fund123,691$14.0M0.39%+18,898+18.0%Added
State of Alaska, Department of Revenue122,166$13.8M0.13%−18,040−12.9%Reduced
Jacobs Levy Equity Management, Inc121,540$13.7M0.09%+81,140+200.8%Added