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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, Q4 2025

Institutional positions in Seagate Technology Holdings plc as of Dec 31, 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
1,280
+170 vs. Q3 2025
Shares held
194.4M
+515.6K (+0.3%) vs. Q3 2025
Total value
$53.5B
+$7.82B (+17.1%) vs. Q3 2025
New holders
256
448 more added
Sold out
86
408 more reduced

16 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2025: 1,280 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 2025: $53.5B
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 2025

Shares, value and share of portfolio for each institution holding Seagate Technology Holdings plc; share changes are against Q3 2025.

Institutions holding STX in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Xponance, Inc.23,014$6.34M0.05%+3,819+19.9%Added
Achmea Investment Management B.V.22,811$6.28M0.16%+22,811New
Rockefeller Capital Management L.P.22,390$6.17M0.01%−5,987−21.1%Reduced
Glenmede Trust Co NA22,322$6.15M0.03%+22,322New
Nordea Investment Management AB21,471$5.96M0.01%+655+3.1%Added
Marshall Wace, LLP21,527$5.93M0.01%−71,844−76.9%Reduced
Integrity Alliance, LLC.21,346$5.88M0.22%+21,346New
Ritholtz Wealth Management21,321$5.87M0.11%+8,358+64.5%Added
State of Alaska, Department of Revenue21,236$5.85M0.06%−1,385−6.1%Reduced
AustralianSuper Pty Ltd21,020$5.79M0.03%−3,073−12.8%Reduced
Waterloo Capital, L.P.20,967$5.77M0.42%−1,579−7.0%Reduced
Lido Advisors, LLC24,058$5.74M0.02%+38+0.2%Added
Worldquant Millennium Advisors LLC20,814$5.73M0.02%+20,814New
Public Employees Retirement Association of Colorado20,616$5.68M0.02%00.0%Unchanged
Kestra Advisory Services, LLC20,532$5.65M0.02%−1,111−5.1%Reduced
Decker Retirement Planning Inc.20,406$5.62M2.79%+20,314+22,080.4%Added
Profund Advisors LLC20,282$5.59M0.17%+16,651+458.6%Added
AE Wealth Management LLC20,273$5.58M0.03%+9,367+85.9%Added
Two Sigma Investments, LP20,218$5.57M0.01%+16,470+439.4%Added
Romano Brothers and Company20,213$5.57M0.63%−525−2.5%Reduced
Oppenheimer & Co Inc19,810$5.46M0.08%−2,060−9.4%Reduced
Armistice Capital, LLC19,592$5.40M0.13%+19,592New
Change Path, LLC19,530$5.38M0.13%+118+0.6%Added
Ethic Inc.19,468$5.36M0.08%−699−3.5%Reduced
Norinchukin Bank, The19,263$5.30M0.06%+8,058+71.9%Added
Alberta Investment Management Corp19,200$5.29M0.03%−5,200−21.3%Reduced
Greenland Capital Management LP18,809$5.18M0.75%+18,809New
Entropy Technologies, LP18,731$5.16M0.28%−17,870−48.8%Reduced
Prudential Financial Inc18,719$5.16M0.01%−9,850−34.5%Reduced
CAPROCK Group, Inc.18,248$5.04M0.11%+3,680+25.3%Added
Panagora Asset Management Inc18,273$5.03M0.02%+18,273New
Investment Management Corp of Ontario17,892$4.93M0.07%+7,911+79.3%Added
Private Advisor Group, LLC17,641$4.86M0.02%+50.0%Added
Great Lakes Retirement, Inc.17,317$4.78M0.50%−419−2.4%Reduced
Silvercrest Asset Management Group LLC17,362$4.78M0.03%+17,362New
Teachers Retirement System of the State of Kentucky16,540$4.55M0.03%00.0%Unchanged
Peapack Gladstone Financial Corp16,533$4.55M0.06%−82−0.5%Reduced
Brinker Capital Investments, LLC16,162$4.45M0.03%+9,847+155.9%Added
Allstate Corp16,109$4.44M0.06%+8,237+104.6%Added
Mizuho Securities USA LLC15,864$4.40M0.07%+374+2.4%Added
Flputnam Investment Management Co15,847$4.36M0.06%−989−5.9%Reduced
Generali Asset Management SPA SGR15,845$4.36M0.09%−141−0.9%Reduced
NewEdge Wealth, LLC15,836$4.36M0.05%+3,013+23.5%Added
Leisure Capital Management15,474$4.26M1.41%−303−1.9%Reduced
Nishkama Capital, LLC15,400$4.24M0.57%+15,400New
Hennion & Walsh Asset Management, Inc.15,312$4.22M0.15%−8,798−36.5%Reduced
Omers Administration Corp14,908$4.11M0.03%−5,900−28.4%Reduced
Independent Financial Group, LLC14,774$4.07M0.09%+8,784+146.6%Added
Naples Global Advisors, LLC14,714$4.06M0.30%−1,174−7.4%Reduced
Sig Brokerage, LP14,731$4.06M1.36%+1,444+10.9%Added
ING Groep NV14,522$4.00M0.02%+14,522New
Keystone Wealth Services, LLC14,386$3.96M0.83%00.0%Unchanged
Jane Street Group, LLC14,368$3.96M0.00%−58,706−80.3%Reduced
KP Management LLC14,000$3.86M1.20%+4,000+40.0%Added
Illinois Municipal Retirement Fund13,986$3.85M0.05%+4,375+45.5%Added
LMR Partners LLP13,954$3.84M0.04%−26,046−65.1%Reduced
Northwest & Ethical Investments L.P.13,950$3.84M0.09%+13,950New
Engineers Gate Manager LP13,942$3.84M0.05%+11,321+431.9%Added
Thrivent Financial for Lutherans13,842$3.82M0.01%+4,131+42.5%Added
Steward Partners Investment Advisory, LLC13,819$3.81M0.02%+250+1.8%Added
National Asset Management, Inc.13,662$3.76M0.18%+25+0.2%Added
Arkadios Wealth Advisors13,518$3.72M0.07%+1,054+8.5%Added
Wiley Bros.-Aintree Capital, LLC13,417$3.70M0.02%+1,508+12.7%Added
Jones Financial Companies LLLP13,203$3.64M0.00%+2,017+18.0%Added
Catherine Avery Investment Management LLC13,144$3.62M2.17%−11,892−47.5%Reduced
First National Trust Co13,105$3.61M0.12%00.0%Unchanged
State Board of Administration of Florida Retirement System13,062$3.60M0.01%00.0%Unchanged
Bessemer Group Inc12,843$3.54M0.01%00.0%Unchanged
Equitable Trust Co12,788$3.52M0.16%−56−0.4%Reduced
DekaBank Deutsche Girozentrale37,100$3.51M0.01%00.0%Unchanged
Beaconlight Capital, LLC12,651$3.48M2.03%−13,595−51.8%Reduced
Donoghue Forlines LLC12,643$3.48M1.08%−6,313−33.3%Reduced
NorthCrest Asset Manangement, LLC11,718$3.40M0.08%+238+2.1%Added
Apollon Wealth Management, LLC12,304$3.39M0.06%−213−1.7%Reduced
Brookstone Capital Management12,176$3.35M0.04%+2,031+20.0%Added
Sound View Wealth Advisors Group, LLC12,119$3.34M0.22%−723−5.6%Reduced
Kovitz Investment Group Partners, LLC12,049$3.32M0.07%−141,388−92.1%Reduced
Lighthouse Investment Partners, LLC11,942$3.29M0.11%+11,942New
GWM Advisors LLC11,856$3.27M0.01%+6,465+119.9%Added
Pensionmark Financial Group, LLC11,832$3.26M0.05%+226+1.9%Added
CWM, LLC11,825$3.26M0.01%+1,230+11.6%Added
Avanza Fonder AB11,753$3.24M0.08%00.0%Unchanged
Rodgers Brothers Inc.11,711$3.23M0.39%00.0%Unchanged
Williamson Legacy Group, LLC11,702$3.22M2.52%+4,105+54.0%Added
Dedeker Financial LLC11,536$3.18M2.84%+11,536New
Vident Advisory, LLC11,310$3.11M0.03%+3,175+39.0%Added
Aull & Monroe Investment Management Corp11,230$3.09M1.55%−140−1.2%Reduced
Alerus Financial NA11,181$3.08M0.15%−4,084−26.8%Reduced
EPG Wealth Management LLC11,157$3.07M0.83%+867+8.4%Added
Meitav Dash Investments Ltd11,079$3.05M0.04%−45−0.4%Reduced
Steel Peak Wealth Management LLC11,025$3.04M0.10%+7,136+183.5%Added
Laird Norton Trust Company, LLC10,935$3.02M0.06%+10,935New
Estate Counselors, LLC10,834$2.98M0.25%00.0%Unchanged
Park Avenue Securities LLC10,823$2.98M0.03%+2,581+31.3%Added
Crossmark Global Holdings, Inc.10,724$2.95M0.04%+1,473+15.9%Added
Safe Harbor Fiduciary, LLC10,673$2.94M2.60%+10,673New
Dorsey Wright & Associates10,531$2.90M0.63%−70−0.7%Reduced
Picton Mahoney Asset Management10,490$2.89M0.03%−4,795−31.4%Reduced
Employees Retirement System of Texas10,443$2.88M0.02%00.0%Unchanged
Summit Trail Advisors, LLC10,395$2.87M0.05%−687−6.2%Reduced