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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 32 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 2025

Institutional positions in Seagate Technology Holdings plc as of Sep 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
1,126
+193 vs. Q2 2025
Shares held
194.2M
−3.26M (−1.6%) vs. Q2 2025
Total value
$45.8B
+$17.3B (+60.5%) vs. Q2 2025
New holders
276
370 more added
Sold out
83
323 more reduced

23 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2025: 1,126 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 2025: $45.8B
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, Q3 2025

Shares, value and share of portfolio for each institution holding Seagate Technology Holdings plc; share changes are against Q2 2025.

Institutions holding STX in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Coldstream Capital Management Inc8,553$2.02M0.03%+3,667+75.1%Added
Himension Fund8,560$2.02M0.12%−4,368−33.8%Reduced
Volterra Technologies LP8,573$2.02M1.34%+8,573New
Private Advisory Group LLC8,581$2.03M0.18%+8,581New
Snowden Capital Advisors LLC8,605$2.04M0.06%+4,807+126.6%Added
MSH Capital Advisors LLC8,731$2.06M0.55%+717+8.9%Added
Authentikos Wealth Advisory, LLC8,772$2.07M1.37%00.0%Unchanged
Freestone Capital Holdings, LLC8,783$2.07M0.06%−475−5.1%Reduced
Elevated Capital Advisors, LLC8,849$2.09M0.52%−3,902−30.6%Reduced
Cerro Pacific Wealth Advisors LLC8,901$2.10M0.58%−2,643−22.9%Reduced
J.W. Cole Advisors, Inc.8,921$2.11M0.04%+6,984+360.6%Added
Kimelman & Baird, LLC9,025$2.13M0.17%00.0%Unchanged
Rothschild Investment LLC9,177$2.17M0.12%+51+0.6%Added
Baker Avenue Asset Management, LP9,193$2.17M0.05%+9,193New
Crossmark Global Holdings, Inc.9,251$2.18M0.03%−792−7.9%Reduced
Hilltop National Bank9,277$2.19M0.54%−906−8.9%Reduced
Qsemble Capital Management, LP9,384$2.22M0.22%+9,384New
New Mexico Educational Retirement Board9,550$2.25M0.07%−300−3.0%Reduced
Quadrant Capital Group LLC9,588$2.26M0.07%+116+1.2%Added
Illinois Municipal Retirement Fund9,611$2.27M0.03%+5,020+109.3%Added
Mitchell & Pahl Private Wealth, LLC9,655$2.28M0.96%00.0%Unchanged
Oddo BHF Asset Management SAS9,676$2.28M0.09%+9,676New
Thrivent Financial for Lutherans9,711$2.29M0.00%−3,289−25.3%Reduced
Sara-Bay Financial9,766$2.31M0.64%00.0%Unchanged
Transatlantique Private Wealth LLC9,791$2.31M0.76%−1,531−13.5%Reduced
SummitTX Capital, L.P.9,808$2.32M0.10%+9,808New
State of Wyoming9,875$2.33M0.27%−366−3.6%Reduced
Community Bank & Trust, Waco, Texas9,878$2.33M0.48%+332+3.5%Added
Benjamin Edwards Inc9,893$2.34M0.03%+1,806+22.3%Added
Investment Management Corp of Ontario9,981$2.36M0.04%+4,813+93.1%Added
KP Management LLC10,000$2.36M0.83%+10,000New
Farther Finance Advisors, LLC10,096$2.38M0.04%+3,598+55.4%Added
Fedenia Advisers LLC10,131$2.39M0.95%+378+3.9%Added
Brookstone Capital Management10,145$2.39M0.03%−378−3.6%Reduced
Metis Global Partners, LLC10,152$2.40M0.06%−1,008−9.0%Reduced
Dai-Ichi Life Insurance Company, Ltd10,228$2.41M0.06%00.0%Unchanged
Securian Asset Management, Inc10,260$2.42M0.06%−711−6.5%Reduced
EPG Wealth Management LLC10,290$2.43M0.67%−100−1.0%Reduced
Jones Financial Companies LLLP11,186$2.43M0.00%+383+3.5%Added
CAPROCK Group, Inc.14,568$2.44M0.06%+14,568New
Gulf International Bank (UK) Ltd10,392$2.45M0.08%−117−1.1%Reduced
Employees Retirement System of Texas10,443$2.46M0.02%+10,443New
CWM, LLC10,595$2.50M0.01%+1,235+13.2%Added
Dorsey Wright & Associates10,601$2.50M0.56%+10,601New
Cyndeo Wealth Partners, LLC10,601$2.50M0.14%−43−0.4%Reduced
Estate Counselors, LLC10,834$2.56M0.22%+10,834New
RSM US Wealth Management LLC10,857$2.57M0.03%+3,185+41.5%Added
AE Wealth Management LLC10,906$2.57M0.02%+479+4.6%Added
NorthCrest Asset Manangement, LLC11,480$2.58M0.06%+15+0.1%Added
Mizuho Securities USA LLC15,490$2.59M0.05%+825+5.6%Added
Catalyst Funds Management Pty Ltd11,100$2.62M0.40%+11,100New
Summit Trail Advisors, LLC11,082$2.62M0.04%+4,130+59.4%Added
Meitav Dash Investments Ltd11,124$2.63M0.04%+11,124New
Louisiana State Employees Retirement System11,200$2.64M0.04%00.0%Unchanged
Norinchukin Bank, The11,205$2.65M0.04%+819+7.9%Added
Financiere des Professionnels - Fonds d,investissement inc.11,243$2.65M0.15%00.0%Unchanged
Aull & Monroe Investment Management Corp11,370$2.68M1.37%−200−1.7%Reduced
Pensionmark Financial Group, LLC11,606$2.74M0.06%+6,997+151.8%Added
Rodgers Brothers Inc.11,711$2.76M0.34%−250−2.1%Reduced
Avanza Fonder AB11,753$2.77M0.07%−2,507−17.6%Reduced
FNY Investment Advisers, LLC11,809$2.79M0.90%+2,749+30.3%Added
Dark Forest Capital Management LP11,886$2.81M0.11%+3,091+35.1%Added
Wiley Bros.-Aintree Capital, LLC11,909$2.83M0.02%+2,627+28.3%Added
Robeco Institutional Asset Management B.V.12,080$2.85M0.00%−1,233−9.3%Reduced
Counterpoint Mutual Funds LLC12,295$2.90M0.23%+9,291+309.3%Added
Arkadios Wealth Advisors12,464$2.94M0.07%+1,156+10.2%Added
Group One Trading, L.P.12,493$2.95M0.09%+10,201+445.1%Added
Apollon Wealth Management, LLC12,517$2.95M0.05%−1,531−10.9%Reduced
Sound View Wealth Advisors Group, LLC12,842$3.03M0.21%−125−1.0%Reduced
Equitable Trust Co12,844$3.03M0.14%+12,844New
Bessemer Group Inc12,843$3.03M0.00%+10,341+413.3%Added
Ritholtz Wealth Management12,963$3.06M0.06%+3,500+37.0%Added
State Board of Administration of Florida Retirement System13,062$3.08M0.01%00.0%Unchanged
First National Trust Co13,105$3.09M0.11%00.0%Unchanged
Sig Brokerage, LP13,287$3.14M0.79%+13,287New
Atria Investments LLC13,288$3.14M0.04%+74+0.6%Added
Steward Partners Investment Advisory, LLC13,569$3.20M0.02%−418−3.0%Reduced
Night Squared LP13,611$3.21M1.16%+13,611New
National Asset Management, Inc.13,637$3.22M0.15%+321+2.4%Added
Hudson Bay Capital Management LP14,018$3.31M0.02%+14,018New
Brighton Jones LLC14,342$3.39M0.08%+687+5.0%Added
Keystone Wealth Services, LLC14,386$3.40M0.74%−1,000−6.5%Reduced
Pinkerton Retirement Specialists, LLC14,588$3.44M0.37%+14,588New
NewEdge Wealth, LLC12,823$3.54M0.05%−337−2.6%Reduced
Alerus Financial NA15,265$3.60M0.18%−998−6.1%Reduced
Picton Mahoney Asset Management15,285$3.61M0.05%−8,384−35.4%Reduced
J. Safra Sarasin Holding AG15,350$3.62M0.06%−2,558−14.3%Reduced
Virtu Financial LLC15,475$3.65M0.20%+15,475New
Leisure Capital Management15,777$3.72M1.28%−136−0.9%Reduced
Naples Global Advisors, LLC15,888$3.76M0.29%−487−3.0%Reduced
NEOS Investment Management LLC15,965$3.77M0.03%+6,843+75.0%Added
Generali Asset Management SPA SGR15,986$3.77M0.08%−8,581−34.9%Reduced
Baird Financial Group, Inc.16,312$3.85M0.01%−3,519−17.7%Reduced
Vinva Investment Management Ltd16,925$3.88M0.08%+13,505+394.9%Added
Teachers Retirement System of the State of Kentucky16,540$3.90M0.03%00.0%Unchanged
Peapack Gladstone Financial Corp16,615$3.92M0.05%−490−2.9%Reduced
Prelude Capital Management, LLC16,633$3.93M0.31%−1,571−8.6%Reduced
Winton Group Ltd16,696$3.94M0.15%−36,956−68.9%Reduced
Flputnam Investment Management Co16,836$3.97M0.06%+2,084+14.1%Added
Affinity Investment Advisors, LLC17,258$4.07M2.76%+1,306+8.2%Added