Skip to main content

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 2021

Institutional positions in Seagate Technology Holdings plc as of Sep 30, 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
694
+27 vs. Q2 2021
Shares held
184.1M
+347.2K (+0.2%) vs. Q2 2021
Total value
$15.2B
−$951.2M (−5.9%) vs. Q2 2021
New holders
88
261 more added
Sold out
61
215 more reduced

12 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2021: 694 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 2021: $15.2B
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 2021

Shares, value and share of portfolio for each institution holding Seagate Technology Holdings plc; share changes are against Q2 2021.

Institutions holding STX in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Vident Investment Advisory, LLC14,593$1.20M0.04%−14,677−50.1%Reduced
Transcend Wealth Collective, LLC13,678$1.21M0.11%+13,678New
Cohen Klingenstein LLC14,630$1.21M0.05%00.0%Unchanged
FDx Advisors, Inc.14,985$1.24M0.04%−968−6.1%Reduced
Oppenheimer & Co Inc15,158$1.25M0.02%+164+1.1%Added
Ritholtz Wealth Management15,275$1.26M0.09%−10.0%Reduced
Beck Bode, LLC15,454$1.27M0.36%+654+4.4%Added
L2 Asset Management, LLC15,483$1.28M3.23%−13,974−47.4%Reduced
Engineers Gate Manager LP15,523$1.28M0.07%−1,164−7.0%Reduced
Cetera Advisor Networks LLC16,135$1.33M0.02%+431+2.7%Added
Daiwa Securities Group Inc.16,611$1.37M0.01%−202−1.2%Reduced
Keystone Financial Group16,989$1.40M0.25%−1,870−9.9%Reduced
Wrapmanager Inc17,054$1.41M0.37%−223−1.3%Reduced
Diligent Investors, LLC16,250$1.43M0.49%00.0%Unchanged
Human Investing LLC17,341$1.43M0.34%+517+3.1%Added
Leisure Capital Management17,350$1.43M0.77%−93−0.5%Reduced
Securian Asset Management, Inc17,379$1.43M0.03%+663+4.0%Added
Oppenheimer Asset Management Inc.17,403$1.44M0.02%+288+1.7%Added
Northwestern Mutual Wealth Management Co17,434$1.44M0.00%+1,404+8.8%Added
Fort, L.P.17,453$1.44M0.48%−6,859−28.2%Reduced
Townsend & Associates, Inc17,857$1.46M0.72%+1,003+6.0%Added
ING Groep NV17,782$1.47M0.02%+17,782New
Norinchukin Bank, The17,898$1.48M0.02%+1,420+8.6%Added
Tower Research Capital LLC (TRC)17,908$1.48M0.04%+6,805+61.3%Added
Northeast Financial Consultants Inc18,156$1.50M0.10%00.0%Unchanged
Natixis Advisors, L.P.18,183$1.50M0.01%−1,827−9.1%Reduced
Rothschild Investment Corp18,275$1.51M0.13%+50+0.3%Added
Aull & Monroe Investment Management Corp18,324$1.51M0.74%+2,100+12.9%Added
Quantbot Technologies LP18,511$1.53M0.11%+18,511New
V Wealth Advisors LLC18,566$1.53M0.24%+3,748+25.3%Added
Boston Family Office LLC19,000$1.57M0.11%00.0%Unchanged
Vontobel Holding Ltd.19,210$1.58M0.01%+11,400+146.0%Added
Berkshire Asset Management LLC19,384$1.60M0.11%+70.0%Added
Acadian Asset Management LLC19,873$1.64M0.01%+9,032+83.3%Added
Level Four Advisory Services, LLC19,972$1.65M0.17%+4,940+32.9%Added
Van Eck Associates Corp20,206$1.67M0.00%+2,335+13.1%Added
Metropolitan Life Insurance Co20,460$1.69M0.02%+20,460New
MML Investors Services, LLC20,704$1.71M0.01%+2,803+15.7%Added
Quantitative Investment Management, LLC20,983$1.73M0.16%+11,537+122.1%Added
Brookstone Capital Management22,065$1.76M0.03%+2,754+14.3%Added
CIBC World Markets Inc.21,817$1.80M0.01%+5,205+31.3%Added
OPSEU Pension Plan Trust Fund22,263$1.84M0.47%+1,196+5.7%Added
Verdence Capital Advisors LLC22,990$1.90M0.25%−2,554−10.0%Reduced
Sumitomo Mitsui DS Asset Management Company, Ltd23,443$1.93M0.05%+759+3.3%Added
ARGI Investment Services, LLC23,855$1.97M0.06%−41,251−63.4%Reduced
M&T Bank Corp23,861$1.97M0.01%+207+0.9%Added
Assenagon Asset Management S.A.24,203$2.00M0.01%+24,203New
Nissay Asset Management Corp24,884$2.05M0.02%−17−0.1%Reduced
Utah Retirement Systems25,238$2.08M0.03%−2,300−8.4%Reduced
Naples Global Advisors, LLC25,293$2.09M0.27%+2,950+13.2%Added
Clearstead Advisors, LLC25,330$2.09M0.16%+600+2.4%Added
Hussman Strategic Advisors, Inc.26,000$2.15M0.47%+26,000New
Fifth Third Bancorp26,064$2.15M0.01%−1,782−6.4%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys26,241$2.17M0.03%+1,293+5.2%Added
Meritage Portfolio Management26,323$2.17M0.13%−15,658−37.3%Reduced
Nisa Investment Advisors, LLC26,775$2.21M0.01%−7,867−22.7%Reduced
Proquility Private Wealth Partners, LLC27,383$2.26M0.85%+665+2.5%Added
Mutual of America Capital Management LLC27,461$2.27M0.02%+1,459+5.6%Added
Avantax Advisory Services, Inc.27,961$2.31M0.04%+8,328+42.4%Added
Cloverfields Capital Group, LP28,145$2.32M0.75%+6,851+32.2%Added
Peapack Gladstone Financial Corp28,379$2.34M0.05%−120.0%Reduced
Arden Trust Co28,650$2.37M0.40%+61+0.2%Added
Forte Capital LLC29,469$2.43M0.33%+8,632+41.4%Added
Cornerstone Investment Partners, LLC29,989$2.48M0.14%−7,900−20.9%Reduced
Okabena Investment Services Inc30,156$2.49M1.31%−8,820−22.6%Reduced
National Asset Management, Inc.30,141$2.49M0.08%−529−1.7%Reduced
Brighton Jones LLC30,321$2.50M0.13%+1,964+6.9%Added
Fortis Advisors, LLC30,520$2.52M1.54%−269−0.9%Reduced
Tealwood Asset Management Inc30,866$2.55M1.03%+30,866New
Public Employees Retirement Association of Colorado31,106$2.57M0.01%00.0%Unchanged
Farmers Trust Co30,598$2.58M0.57%+30,598New
Texas Permanent School Fund32,349$2.67M0.03%−731−2.2%Reduced
Teacher Retirement System of Texas32,508$2.68M0.01%+32+0.1%Added
PEAK6 Investments LLC32,538$2.69M0.05%+32,538New
Mackenzie Financial Corp32,778$2.71M0.00%−105,854−76.4%Reduced
Westpac Banking Corp32,805$2.71M0.03%−9,400−22.3%Reduced
Vestmark Advisory Solutions, Inc.33,011$2.72M0.18%+409+1.3%Added
Old Port Advisors34,327$2.77M1.00%+791+2.4%Added
State of Tennessee, Treasury Department33,646$2.78M0.01%−1,822−5.1%Reduced
SG Americas Securities, LLC33,956$2.80M0.02%−8,652−20.3%Reduced
Neuberger Berman Group LLC34,741$2.83M0.00%−3,193−8.4%Reduced
Susquehanna Fundamental Investments, LLC34,720$2.87M0.05%−51,800−59.9%Reduced
Banque Cantonale Vaudoise34,851$2.89M0.12%−1,200−3.3%Reduced
Tredje AP-fonden35,000$2.89M0.06%+35,000New
Public Sector Pension Investment Board35,321$2.92M0.02%+4,110+13.2%Added
Stephens Inc35,910$2.96M0.05%−5,525−13.3%Reduced
NewSquare Capital LLC36,136$2.98M0.35%+7,013+24.1%Added
Jump Financial, LLC36,600$3.02M0.22%+36,600New
Redwood Investment Management, LLC37,306$3.08M0.44%+18,889+102.6%Added
Pitcairn Co37,515$3.10M0.21%−2,511−6.3%Reduced
British Columbia Investment Management Corp38,061$3.14M0.02%−1,298−3.3%Reduced
Rafferty Asset Management, LLC38,079$3.14M0.02%+7,054+22.7%Added
Cetera Investment Advisers38,279$3.16M0.05%−1,134−2.9%Reduced
The PNC Financial Services Group, Inc.38,735$3.20M0.00%+2,174+5.9%Added
Rockefeller Capital Management L.P.39,089$3.22M0.02%+5,922+17.9%Added
Todd Asset Management LLC40,290$3.33M0.08%−256,704−86.4%Reduced
Jacobs Levy Equity Management, Inc40,400$3.33M0.02%+528+1.3%Added
ProShare Advisors LLC41,300$3.41M0.01%−1,123−2.6%Reduced
Integrated Advisors Network LLC42,409$3.50M0.23%+4,498+11.9%Added
Wealthfront Advisers LLC42,809$3.53M0.02%+11,538+36.9%Added