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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.

Q4 2025 vs. Q3 2025

How the institutions holding Seagate Technology Holdings plc changed between Q3 2025 and Q4 2025.

All holders in Q4 2025All holders in Q3 2025

13F holders of STX: Q3 2025 compared with Q4 2025
MeasureQ3 2025Of which not filed for Q4 2025Q4 2025Change
Holders1,125161,279+170
Shares194.2M333.1K194.4M+515.6K (+0.3%)
Value$45.8B$78.4M$53.5B+$7.82B (+17.1%)

16 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (256)

Institutions that held Seagate Technology Holdings plc at the end of Q4 2025 but not at the end of Q3 2025.

Showing the largest 100 of 256 by value.

Institutions new to STX in Q4 2025
InstitutionSharesValue% of portfolio
Norges Bank1,809,661$498.4M0.05%
Alyeska Investment Group, L.P.346,676$95.5M0.27%
Value Aligned Research Advisors, LLC126,282$34.8M0.71%
Caisse de Depot Et Placement du Quebec115,597$31.8M0.05%
PFA Pension, Forsikringsaktieselskab85,267$23.9M0.07%
Davidson Kempner Capital Management LP75,000$20.7M0.30%
BNP PARIBAS ASSET MANAGEMENT Holding S.A.74,229$20.5M0.02%
Delta Global Management LP73,120$20.1M1.47%
Rheos Capital Works Inc.70,000$19.3M1.24%
Parkwood LLC59,374$16.4M1.39%
iA Global Asset Management Inc.51,241$14.1M0.18%
Eastern Bank50,241$13.8M0.24%
Varma Mutual Pension Insurance Co47,100$13.0M0.08%
IFM Investors Pty Ltd43,993$12.1M0.10%
Navellier & Associates Inc41,847$11.5M1.29%
CIBC World Markets Corp40,511$11.2M0.06%
Indivisible Partners34,637$9.54M1.03%
SeaTown Holdings Pte. Ltd.32,500$8.95M5.19%
FORA Capital, LLC29,147$8.03M0.97%
Ardmore Road Asset Management LP26,049$7.17M0.54%
Impax Asset Management Group plc24,323$6.70M0.04%
Achmea Investment Management B.V.22,811$6.28M0.16%
Glenmede Trust Co NA22,322$6.15M0.03%
Integrity Alliance, LLC.21,346$5.88M0.22%
Worldquant Millennium Advisors LLC20,814$5.73M0.02%
Armistice Capital, LLC19,592$5.40M0.13%
Greenland Capital Management LP18,809$5.18M0.75%
Panagora Asset Management Inc18,273$5.03M0.02%
Silvercrest Asset Management Group LLC17,362$4.78M0.03%
Nishkama Capital, LLC15,400$4.24M0.57%
ING Groep NV14,522$4.00M0.02%
Northwest & Ethical Investments L.P.13,950$3.84M0.09%
Lighthouse Investment Partners, LLC11,942$3.29M0.11%
Dedeker Financial LLC11,536$3.18M2.84%
Laird Norton Trust Company, LLC10,935$3.02M0.06%
Safe Harbor Fiduciary, LLC10,673$2.94M2.60%
Twinbeech Capital LP9,443$2.60M0.18%
J. Goldman & Co LP9,000$2.48M0.10%
Westco Advisory Services Inc8,351$2.30M1.41%
CMT Capital Markets Trading GmbH8,319$2.29M1.52%
Stance Capital LLC8,308$2.29M0.84%
Parkway Wealth Management Group, LLC7,892$2.17M0.29%
Atlas Capital Advisors LLC7,545$2.08M0.23%
Florida Financial Advisors, LLC7,269$2.00M0.54%
OpenArc Corporate Advisory, LLC6,854$1.89M0.03%
Marble Wealth, LLC6,501$1.79M0.25%
China Universal Asset Management Co., Ltd.6,043$1.67M0.13%
Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.5,496$1.51M2.38%
Goldstream Capital Management Ltd5,225$1.44M0.59%
NLB Skladi, upravljanje premozenja, d.o.o.5,135$1.41M0.06%
Evergreen Quality Fund GP, Ltd.5,100$1.40M0.03%
Nomura Asset Management International Inc.4,901$1.35M0.00%
BDF-Gestion4,262$1.17M0.14%
V-Square Quantitative Management LLC3,984$1.10M0.11%
JLB & Associates Inc3,971$1.09M0.15%
Deeter Investments LLP3,954$1.09M0.24%
Elevated Private Wealth, LLC3,925$1.08M1.12%
Landscape Capital Management, L.L.C.3,800$1.05M0.07%
Pinnacle Financial Partners, Inc.3,767$1.04M0.01%
National Wealth Management Group, LLC3,596$990.3K0.34%
Caitlin John, LLC3,543$975.7K0.64%
Leonteq Securities AG3,232$890.1K0.05%
Keating Financial Advisory Services, Inc.3,110$856.5K0.12%
GTS Securities LLC2,961$815.4K0.03%
Connective Portfolio Management, LLC2,800$771.1K1.39%
Frec Markets, Inc.2,664$733.8K0.21%
Pier 88 Investment Partners LLC2,660$732.5K0.16%
Focused Alpha, LLC2,654$731.0K0.21%
Stone Wealth Partners2,519$695.6K0.62%
Patriot Financial Group Insurance Agency, LLC2,463$678.3K0.08%
Skopos Labs, Inc.2,369$666.1K0.03%
Bingham Private Wealth, LLC2,374$653.8K0.56%
Americana Partners, LLC2,179$600.1K0.02%
Versor Investments LP2,146$591.0K0.09%
Athena Wealth Management, LLC2,119$583.5K0.57%
Severin Investments, LLC2,031$559.4K0.49%
Gluskin Sheff & Assoc Inc2,002$551.3K0.08%
Parthenon LLC2,000$550.8K0.06%
Oak Harvest Investment Services2,000$550.8K0.06%
Centennial Bank2,000$550.8K0.22%
EP Wealth Advisors, LLC1,964$540.9K0.00%
Campbell & CO Investment Adviser LLC1,859$511.9K0.02%
Net Worth Advisory Group1,851$509.8K0.10%
Pitcairn Wealth Advisors LLC1,817$500.4K0.05%
Machina Capital S.A.S.1,810$498.5K0.10%
111 Capital1,776$489.1K0.11%
Graham Capital Management, L.P.1,736$478.1K0.02%
Krilogy Financial LLC1,333$477.6K0.02%
Cambria Investment Management, L.P.1,724$474.8K0.03%
Wellspring Financial Advisors, LLC1,676$462.6K0.04%
Tannin Capital LLC1,673$460.7K0.41%
PharVision Advisers, LLC1,648$453.8K0.23%
Western Wealth Management, LLC1,635$450.3K0.02%
Xxi Wealth, LLC1,606$442.3K0.27%
Wealth Effects LLC1,550$426.9K0.13%
TSG Advice Partners, LLC1,421$391.3K0.06%
Visionary Wealth Advisors1,397$384.7K0.02%
Goldenstone Wealth Management LLC1,266$348.6K0.26%
Mitchell McLeod Pugh & Williams Inc791$339.6K0.05%
AlphaGrep UK Ltd1,233$339.6K0.11%

Sold out (86)

Institutions that held Seagate Technology Holdings plc at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of STX in Q4 2025
InstitutionShares, Q3 2025Value, Q3 2025
Slate Path Capital LP658,867$155.5M
Zurich Insurance Group Ltd533,797$126.0M
HRT Financial LP342,886$80.9M
Twin Tree Management, LP170,997$40.4M
Alps Advisors Inc125,131$29.5M
Duquesne Family Office LLCSuperinvestorDuquesne Family Office85,900$20.3M
Trexquant Investment LP73,688$17.4M
Cercano Management LLC63,842$15.1M
Voloridge Investment Management, LLC56,881$13.4M
PDT Partners, LLC54,482$12.9M
Situational Awareness LP48,567$11.5M
New York State Common Retirement Fund48,429$11.4M
Eminence Capital, LP38,843$9.17M
Andra AP-fonden38,691$9.13M
Capital Fund Management S.A.34,476$8.14M
New York Life Investment Management LLC30,964$7.31M
Quadrature Capital Ltd24,685$5.83M
Occudo Quantitative Strategies LP22,117$5.22M
Quantessence Capital LLC21,982$5.19M
Brighton Jones LLC14,342$3.39M
Hudson Bay Capital Management LP14,018$3.31M
Night Squared LP13,611$3.21M
Group One Trading, L.P.12,493$2.95M
Counterpoint Mutual Funds LLC12,295$2.90M
Dark Forest Capital Management LP11,886$2.81M
Catalyst Funds Management Pty Ltd11,100$2.62M
SummitTX Capital, L.P.9,808$2.32M
Oddo BHF Asset Management SAS9,676$2.28M
Pitcairn Co8,517$2.01M
Beacon Financial Advisory LLC8,013$1.89M
APG Asset Management US Inc.6,626$1.70M
HighVista Strategies LLC6,898$1.63M
Pinnbrook Capital Management LP6,795$1.60M
Inceptionr LLC5,432$1.28M
Catalytic Wealth RIA, LLC4,879$1.15M
Tema ETFs LLC4,476$1.06M
Lombard Odier Asset Management (USA) Corp3,999$944.0K
Voleon Capital Management LP3,309$781.1K
K.J. Harrison & Partners Inc3,000$764.2K
R Squared Ltd2,889$682.0K
Adviser Investments LLC2,760$651.5K
Jackson Wealth Management, LLC2,742$647.0K
CTC Alternative Strategies, Ltd.2,700$637.4K
Oxford Asset Management LLP2,692$635.5K
Neo Ivy Capital Management2,552$602.4K
Sassicaia Capital Advisers LLC2,500$590.1K
CSS LLC2,442$576.5K
FDx Advisors, Inc.2,168$555.0K
Edgestream Partners, L.P.2,274$536.8K
Gsa Capital Partners LLP2,267$535.0K
TownSquare Capital, LLC2,254$532.1K
Perbak Capital Partners LLP2,051$484.2K
Rollins Financial Advisors, LLC1,854$437.6K
Capula Management Ltd1,786$421.6K
Aaron Wealth Advisors1,689$398.7K
Ground Swell Capital, LLC1,512$356.9K
Confluence Wealth Services, Inc.1,478$348.9K
Keebeck Alpha, LP1,449$342.1K
GPS Wealth Strategies Group, LLC1,264$298.4K
Vigilare Wealth Management1,239$292.5K
Integrated Investment Consultants, LLC1,226$289.4K
Requisite Capital Management, LLC1,160$274.6K
Virtus Wealth Solutions LLC1,110$262.0K
ORG Wealth Partners, LLC1,034$244.1K
Polymer Capital Management (HK) LTD1,000$236.1K
Founders Financial Alliance, LLC910$214.9K
Rede Wealth, LLC900$213.1K
Cornerstone Wealth Management, LLC886$209.2K
XML Financial, LLC849$200.4K
Optiver Holding B.V.824$194.5K
Cloud Capital Management, LLC504$119.0K
City Holding Co500$118.0K
Salem Investment Counselors Inc324$76.7K
Main Street Group, LTD280$66.1K
Palisade Asset Management, LLC156$36.8K
Rise Advisors, LLC138$32.6K
Washington Trust Advisors, Inc.137$32.3K
JPL Wealth Management, LLC101$23.8K
Hurley Capital, LLC100$23.6K
Laurion Capital Management LP90$21.2K
North Capital, Inc.71$16.8K
Marshall & Sterling Wealth Advisors Inc.46$10.9K
Logan Capital Management Inc26$6.04K
Key Financial Inc19$4.88K
Byrne Asset Management LLC20$4.72K
Aster Capital Management (DIFC) Ltd5$1.18K

Not filed for Q4 2025 yet (16)

Institutions that held Seagate Technology Holdings plc at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding STX in Q3 2025 that haven't filed for Q4 2025
InstitutionShares, Q3 2025Value, Q3 2025
Point72 Hong Kong Ltd123,115$29.1M
Point72 Asia (Singapore) Pte. Ltd.71,015$16.8M
Wolverine Trading, LLC30,936$7.09M
CIBC Bancorp USA Inc.29,326$6.92M
Glenmede Investment Management, LP28,636$6.76M
AXA Investment Managers S.A.24,314$5.74M
Sonora Investment Management Group, LLC7,786$1.84M
Wetherby Asset Management Inc5,930$1.40M
SPC Financial, Inc.5,082$1.20M
Synovus Financial Corp3,188$752.6K
Stonegate Investment Group, LLC2,453$579.0K
Moloney Securities Asset Management, LLC1,048$247.5K
Hemington Wealth Management195$46.0K
Abich Financial Wealth Management LLC14$3.31K
Binnacle Investments Inc13$3.07K
Texas Capital Bancshares Inc7$1.65K