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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.

Q3 2025 vs. Q2 2025

How the institutions holding Seagate Technology Holdings plc changed between Q2 2025 and Q3 2025.

All holders in Q3 2025All holders in Q2 2025

13F holders of STX: Q2 2025 compared with Q3 2025
MeasureQ2 2025Of which not filed for Q3 2025Q3 2025Change
Holders956231,126+193
Shares199.2M1.70M194.2M−3.26M (−1.6%)
Value$28.8B$245.8M$45.8B+$17.3B (+60.5%)

23 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (276)

Institutions that held Seagate Technology Holdings plc at the end of Q3 2025 but not at the end of Q2 2025.

Showing the largest 100 of 276 by value.

Institutions new to STX in Q3 2025
InstitutionSharesValue% of portfolio
WCM Investment Management, LLC5,182,949$1.19B2.47%
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main989,756$233.6M0.21%
Trivest Advisors Ltd722,000$170.4M5.44%
Oxbow Capital Management (HK) Ltd443,000$104.6M18.32%
Blue Whale Capital LLP221,705$52.3M2.89%
Twin Tree Management, LP170,997$40.4M1.88%
Rivermont Capital Management LP150,211$35.5M9.37%
Massachusetts Financial Services Co124,747$29.4M0.01%
Atika Capital Management LLC118,096$27.9M2.37%
Kinetic Partners Management, LP100,300$23.7M1.15%
WT Asset Management Ltd95,000$22.4M1.04%
Marshall Wace, LLP93,371$22.0M0.02%
Credit Agricole S A77,804$18.4M0.06%
Cercano Management LLC63,842$15.1M0.58%
Parallax Volatility Advisers, L.P.61,992$14.6M0.43%
GF Fund Management Co. Ltd.59,800$14.1M0.26%
Wolverine Asset Management LLC57,979$13.7M0.20%
Situational Awareness LP48,567$11.5M0.51%
Taikang Asset Management (Hong Kong) Co Ltd47,857$11.3M1.26%
Fred Alger Management, LLC41,517$9.83M0.04%
Eventide Asset Management, LLC41,768$9.82M0.16%
Eminence Capital, LP38,843$9.17M0.13%
Chapin Davis, Inc.38,399$9.06M2.23%
Capital Fund Management S.A.34,476$8.14M0.08%
Wolverine Trading, LLC30,936$7.09M0.14%
CIBC Bancorp USA Inc.29,326$6.92M0.04%
U.S. Capital Wealth Advisors, LLC26,107$6.16M0.17%
Quadrature Capital Ltd24,685$5.83M0.07%
Alberta Investment Management Corp24,400$5.76M0.04%
AXA Investment Managers S.A.24,314$5.74M0.02%
Quantessence Capital LLC21,982$5.19M1.64%
Groupe la Francaise21,372$5.04M0.07%
Patton Fund Management, Inc.17,564$4.15M0.75%
Virtu Financial LLC15,475$3.65M0.20%
Pinkerton Retirement Specialists, LLC14,588$3.44M0.37%
Hudson Bay Capital Management LP14,018$3.31M0.02%
Night Squared LP13,611$3.21M1.16%
Sig Brokerage, LP13,287$3.14M0.79%
Equitable Trust Co12,844$3.03M0.14%
Meitav Dash Investments Ltd11,124$2.63M0.04%
Catalyst Funds Management Pty Ltd11,100$2.62M0.40%
Estate Counselors, LLC10,834$2.56M0.22%
Dorsey Wright & Associates10,601$2.50M0.56%
Employees Retirement System of Texas10,443$2.46M0.02%
CAPROCK Group, Inc.14,568$2.44M0.06%
KP Management LLC10,000$2.36M0.83%
SummitTX Capital, L.P.9,808$2.32M0.10%
Oddo BHF Asset Management SAS9,676$2.28M0.09%
Qsemble Capital Management, LP9,384$2.22M0.22%
Baker Avenue Asset Management, LP9,193$2.17M0.05%
Private Advisory Group LLC8,581$2.03M0.18%
Volterra Technologies LP8,573$2.02M1.34%
Pitcairn Co8,517$2.01M0.16%
Tokio Marine Asset Management Co Ltd7,898$1.86M0.07%
Allstate Corp7,872$1.86M0.04%
Williamson Legacy Group, LLC7,597$1.79M1.39%
Western Financial Corp7,168$1.69M0.74%
Perpetual Ltd6,887$1.63M0.02%
Baader Bank INC5,491$1.30M0.11%
Sherman Porfolios, LLC4,756$1.12M0.40%
Connable Office Inc4,662$1.10M0.10%
Tema ETFs LLC4,476$1.06M0.09%
Lombard Odier Asset Management (USA) Corp3,999$944.0K0.21%
Steel Peak Wealth Management LLC3,889$920.8K0.03%
Whitaker-Myers Wealth Managers, LTD.3,871$913.8K0.20%
Knights of Columbus Asset Advisors LLC3,855$910.0K0.05%
XTX Topco Ltd3,246$766.3K0.04%
K.J. Harrison & Partners Inc3,000$764.2K0.11%
Syon Capital LLC3,169$748.1K0.04%
Left Brain Wealth Management, LLC3,100$731.8K0.23%
Inscription Capital, LLC2,841$670.6K0.07%
Jackson Wealth Management, LLC2,742$647.0K0.06%
CTC Alternative Strategies, Ltd.2,700$637.4K1.06%
Oxford Asset Management LLP2,692$635.5K0.21%
Neo Ivy Capital Management2,552$602.4K0.15%
Sassicaia Capital Advisers LLC2,500$590.1K0.26%
CSS LLC2,442$576.5K0.03%
Moors & Cabot, Inc.2,375$560.6K0.02%
San Luis Wealth Advisors LLC2,373$560.2K0.10%
FDx Advisors, Inc.2,168$555.0K0.17%
Grimes & Company, Inc.2,313$546.0K0.01%
Avestar Capital, LLC2,289$541.2K0.04%
Edgestream Partners, L.P.2,274$536.8K0.02%
Gsa Capital Partners LLP2,267$535.0K0.04%
Win Advisors, Inc2,157$509.2K0.25%
Silver Oak Securities, Inc2,152$508.0K0.04%
Three Seasons Wealth, LLC2,098$496.9K0.05%
Miracle Mile Advisors, LLC2,067$487.9K0.01%
Pinnacle Wealth Planning Services, Inc.2,049$483.7K0.06%
Custom Index Systems, LLC2,048$483.5K0.14%
VestGen Advisors, LLC1,991$470.1K0.02%
Frank, Rimerman Advisors LLC1,930$455.6K0.03%
Yeomans Consulting Group, Inc.1,764$453.1K0.16%
Mesirow Financial Investment Management, Inc.1,880$443.6K0.01%
Rollins Financial Advisors, LLC1,854$437.6K0.07%
One Wealth Advisors, LLC1,815$428.4K0.05%
Capula Management Ltd1,786$421.6K0.00%
Sage Mountain Advisors LLC1,765$416.6K0.02%
Polymer Capital Management (US) LLC1,741$411.0K0.05%
Blueshift Asset Management, LLC1,695$400.1K0.12%

Sold out (83)

Institutions that held Seagate Technology Holdings plc at the end of Q2 2025 and filed for Q3 2025 without it.

Institutions that sold out of STX in Q3 2025
InstitutionShares, Q2 2025Value, Q2 2025
Sachem Head Capital Management LP1,522,500$219.7M
Mizuho Markets Americas LLC315,178$45.5M
Delta Global Management LP308,961$44.6M
Twinbeech Capital LP229,137$33.1M
Wolf Hill Capital Management, LP200,000$28.9M
Junto Capital Management LP191,387$27.6M
Rheos Capital Works Inc.164,500$23.7M
Tudor Investment Corp Et Al131,131$18.9M
Maytus Capital Management, LLC67,141$9.69M
Skandinaviska Enskilda Banken AB (publ)65,786$9.49M
Arvin Capital Management LP60,300$8.70M
Greenland Capital Management LP59,996$8.66M
Cubist Systematic Strategies, LLC59,977$8.66M
Mirae Asset Securities (USA) Inc.50,130$7.24M
iA Global Asset Management Inc.49,320$7.12M
Oribel Capital Management, LP47,400$6.84M
Readystate Asset Management LP40,578$5.86M
IMC-Chicago, LLC40,433$5.84M
ExodusPoint Capital Management, LP37,740$5.45M
Simplex Trading, LLC37,369$5.39M
Symmetry Investments LP37,200$5.37M
Soros Capital Management LLC36,700$5.30M
Sona Asset Management (US) LLC34,400$4.96M
Channing Capital Management, LLC31,469$4.54M
Nissay Asset Management Corp26,639$3.84M
Sciencast Management LP23,597$3.41M
Fisher Funds Management LTD18,225$2.63M
AXA S.A.17,281$2.49M
Point72 (DIFC) Ltd16,936$2.44M
Achmea Investment Management B.V.16,329$2.36M
Fox Run Management, L.L.C.14,396$2.08M
Empirical Asset Management, LLC10,298$1.49M
Bridgefront Capital, LLC7,867$1.14M
Greenwood Capital Associates LLC6,397$923.3K
Scientech Research LLC6,177$891.5K
Machina Capital S.A.S.5,583$805.8K
Wealthcare Advisory Partners LLC5,545$800.3K
Ethos Financial Group, LLC5,470$793.4K
V-Square Quantitative Management LLC5,417$781.8K
Tounjian Advisory Partners, LLC9,028$766.9K
Carmel Capital Partners, LLC3,992$576.2K
National Wealth Management Group, LLC3,932$567.5K
Corton Capital Inc.3,830$552.8K
Almanack Investment Partners, LLC.3,750$541.2K
Teza Capital Management LLC3,668$529.4K
ISAM Funds (UK) Ltd3,596$519.0K
Centiva Capital, LP3,453$498.4K
Belpointe Asset Management LLC3,363$485.4K
Asahi Life Asset Management Co., Ltd.3,090$446.0K
Cinctive Capital Management LP2,976$429.5K
Two Sigma Securities, LLC2,758$398.1K
Landscape Capital Management, L.L.C.2,500$360.8K
Whittier Trust Co2,145$309.6K
Quarry Hill Advisors, LLC2,024$292.1K
Bravias Capital Group, LLC1,850$267.0K
Prossimo Advisors, LLC1,812$262.0K
PharVision Advisers, LLC1,633$235.7K
RIA Advisory Group LLC1,617$233.4K
ICONIQ Capital, LLC1,542$222.6K
Whittier Trust Co of Nevada Inc1,165$168.1K
Skopos Labs, Inc.1,153$166.4K
Viking Fund Management LLC1,000$144.3K
Putney Financial Group LLC750$108.2K
Quarry LP539$77.8K
Olistico Wealth, LLC470$67.8K
GeoWealth Management, LLC456$65.8K
Evelyn Partners Investment Management LLP385$55.6K
Garde Capital, Inc.116$16.7K
Total Investment Management Inc104$15.0K
Chung Wu Investment Group, LLC100$14.4K
Twin Peaks Wealth Advisors, LLC89$13.8K
Ridgewood Investments LLC85$12.3K
Sierra Ocean, LLC53$7.65K
Whipplewood Advisors, LLC50$7.22K
Crewe Advisors LLC40$5.77K
Park Square Financial Group, LLC40$5.77K
Thurston, Springer, Miller, Herd & Titak, Inc.31$4.47K
Bellwether Advisors, LLC29$4.19K
Horizon Financial Services, LLC12$1.73K
Blume Capital Management, Inc.4$578
Tortoise Investment Management, LLC2$289
LGT Financial Advisors LLC2$289
Atticus Wealth Management, LLC1$145

Not filed for Q3 2025 yet (23)

Institutions that held Seagate Technology Holdings plc at the end of Q2 2025 and haven't filed a 13F for Q3 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding STX in Q2 2025 that haven't filed for Q3 2025
InstitutionShares, Q2 2025Value, Q2 2025
Norges Bank1,365,115$197.0M
Churchill Management Corp182,383$26.3M
Forte Capital LLC30,791$4.44M
CIBC World Markets Corp26,684$3.85M
HAP Trading, LLC22,515$3.25M
Safe Harbor Fiduciary, LLC15,072$2.18M
Avantax Advisory Services, Inc.15,016$2.17M
Atria Wealth Solutions, Inc.14,055$2.05M
Atlas Capital Advisors LLC7,065$1.02M
Good Life Advisors, LLC4,555$657.5K
E Fund Management Co., Ltd.4,088$590.0K
Congress Wealth Management LLC3,412$492.5K
Graypoint LLC3,345$482.8K
Bingham Private Wealth, LLC3,249$468.9K
My Legacy Advisors, LLC3,063$442.6K
EP Wealth Advisors, LLC1,837$265.1K
Capital A Wealth Management, LLC602$51.4K
First Horizon Advisors, Inc.151$21.8K
PrairieView Partners, LLC85$12.0K
Semmax Financial Advisors Inc.74$11.1K
Financial Gravity Companies, Inc.76$11.0K
Legacy Investment Solutions, LLC75$10.8K
Parkworth Wealth Management, Inc.16$2.31K