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Arm Holdings PLC

ARM
Exchange
Nasdaq
Industry
Semiconductors & Related Devices
SEC CIK
0001973239

In the last 90 days, Arm Holdings PLC insiders filed 0 open-market purchases and 2 sales; 962 institutions reported holding it in 13F filings for Q2 2026, worth $35.0B in total; 3 superinvestors hold it, including Altimeter Capital and Duquesne Family Office.

Q1 2026 vs. Q4 2025

How the institutions holding Arm Holdings PLC changed between Q4 2025 and Q1 2026.

All holders in Q1 2026All holders in Q4 2025

13F holders of ARM: Q4 2025 compared with Q1 2026
MeasureQ4 2025Of which not filed for Q1 2026Q1 2026Change
Holders65414745+105
Shares81.9M28.2K90.9M+8.99M (+11.0%)
Value$8.97B$3.09M$13.7B+$4.79B (+53.4%)

14 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (189)

Institutions that held Arm Holdings PLC at the end of Q1 2026 but not at the end of Q4 2025.

Showing the largest 100 of 189 by value.

Institutions new to ARM in Q1 2026
InstitutionSharesValue% of portfolio
Altimeter Capital Management, LPSuperinvestorAltimeter Capital1,715,440$259.5M4.55%
Capital International Investors1,165,530$176.3M0.04%
Janus Henderson Group PLC767,534$116.1M0.06%
Analog Century Management LP691,364$104.6M4.99%
Whale Rock Capital Management LLC452,384$68.4M0.88%
Schonfeld Strategic Advisors LLC345,322$52.2M0.43%
1832 Asset Management L.P.300,000$45.4M0.06%
Tensor Edge Capital, LLC289,461$43.8M7.53%
Kayne Anderson Rudnick Investment Management LLC173,336$26.2M0.08%
Susquehanna Fundamental Investments, LLC164,754$24.9M0.93%
Talos Asset Management LP121,200$18.3M3.13%
CSM Advisors, LLC111,709$16.9M0.42%
Tairen Capital Ltd107,400$16.2M1.76%
Duquesne Family Office LLCSuperinvestorDuquesne Family Office106,700$16.1M0.55%
Diversify Wealth Management, LLC67,852$13.7M0.24%
Catalyst Funds Management Pty Ltd90,198$13.6M2.31%
XTX Topco Ltd87,304$13.2M0.23%
HRT Financial LP85,816$13.0M0.03%
Sora Investors LLC85,000$12.9M1.18%
Havemeyer Place LP64,097$9.70M1.12%
Whittier Trust Co58,793$8.75M0.10%
E Fund Management Co., Ltd.56,444$8.54M0.25%
Westend Capital Management, LLC53,699$8.12M2.44%
BOCHK Asset Management Ltd53,200$8.05M1.67%
Quadrature Capital Ltd52,297$7.91M0.09%
Nixon Peabody Trust Co47,107$7.13M0.57%
Oribel Capital Management, LP45,900$6.94M1.06%
Hidden Lake Asset Management LP45,366$6.86M4.55%
Gunderson Capital Management Inc.45,029$6.81M2.85%
Incline Global Management LLC43,422$6.57M2.58%
Oppenheimer & Co Inc42,639$6.45M0.08%
Nishkama Capital, LLC42,000$6.35M0.90%
Capitolis Liquid Global Markets LLC41,617$6.30M0.04%
Marsico Capital Management LLC32,850$4.97M0.15%
Covea Finance29,918$4.53M0.16%
Midwest Trust Co29,541$4.47M0.06%
Connective Capital Management, LLC28,652$4.33M3.58%
Resolute Capital Asset Partners LLC28,000$4.24M2.23%
Intrinsic Edge Capital Management LLC26,966$4.08M0.74%
Banco Bilbao Vizcaya Argentaria, S.A.27,708$4.03M0.03%
Westwood Wealth Management25,135$3.80M1.49%
Whittier Trust Co of Nevada Inc24,126$3.59M0.07%
Morgens Waterfall Vintiadis & Co Inc20,000$3.03M3.73%
Oaktop Capital Management II, L.P.20,000$3.03M0.23%
Camarda Financial Advisors, LLC19,734$2.99M1.57%
Mandatum Life Insurance Co Ltd19,128$2.89M0.65%
Ardsley Advisory Partners LP18,000$2.72M0.41%
Elevation Advisory Partners LLC20,877$2.40M2.24%
Polymer Capital Management (HK) LTD15,411$2.33M0.33%
CTC Alternative Strategies, Ltd.15,346$2.32M5.27%
Barrier Capital Management, LLC15,000$2.27M1.99%
BW Gestao de Investimentos Ltda.14,980$2.27M0.10%
Point72 Asset Management, L.P.14,262$2.16M0.00%
Concentric Capital Strategies, LP14,113$2.14M0.19%
Greenwood Capital Associates LLC13,759$2.08M0.23%
CenterBook Partners LP12,678$1.92M0.10%
DekaBank Deutsche Girozentrale12,092$1.79M0.00%
Oppenheimer Asset Management Inc.11,539$1.75M0.02%
JBF Capital, Inc.10,000$1.51M0.22%
Sona Asset Management (US) LLC10,000$1.51M0.06%
Nomura Asset Management International Inc.9,161$1.39M0.00%
Boothbay Fund Management, LLC8,500$1.29M0.03%
Polar Asset Management Partners Inc.7,400$1.12M0.03%
CMT Capital Markets Trading GmbH6,419$971.0K0.45%
Empowered Funds, LLC6,003$908.1K0.01%
WealthPlan Investment Management, LLC5,968$902.8K0.05%
Savant Capital, LLC4,185$633.1K0.00%
ING Groep NV4,127$624.3K0.00%
Kirtland Hills Capital Management, LLC3,008$585.6K0.19%
Pictet Asset Management Holding SA3,715$562.0K0.00%
Intellectus Partners, LLC3,631$549.3K0.11%
Bayesian Capital Management, LP3,623$548.1K0.67%
BCJ Capital Management, LLC3,570$540.1K0.03%
Gainplan LLC3,500$529.5K0.40%
Fifth Lane Capital, LP3,500$529.5K0.64%
Patriot Financial Group Insurance Agency, LLC3,354$507.4K0.03%
Atalanta Sosnoff Capital, LLC2,980$450.8K0.01%
Mizuho Markets Americas LLC2,866$433.6K0.01%
Harel Insurance Investments & Financial Services Ltd.2,850$431.0K0.00%
FNY Investment Advisers, LLC2,855$431.0K0.19%
IKE Capital, LLC2,825$427.4K0.24%
Meadowbrook Wealth Management, LLC2,815$425.9K0.56%
PenderFund Capital Management Ltd.2,800$423.6K0.07%
Park Avenue Securities LLC2,707$410.0K0.00%
Wealthfront Advisers LLC2,602$393.6K0.00%
Atomi Financial Group, Inc.2,596$392.7K0.01%
Portfolio Design Labs, LLC2,536$383.6K0.07%
Game Plan Financial Advisors, LLC2,415$365.3K0.16%
Chicago Partners Investment Group LLC1,832$360.1K0.01%
Warren Averett Asset Management, LLC2,359$356.9K0.00%
Wesbanco Bank Inc2,112$319.5K0.01%
Steel Peak Wealth Management LLC2,112$319.5K0.01%
Callan Family Office, LLC2,046$309.5K0.01%
Cidel Asset Management Inc2,019$305.4K0.02%
AlphaCore Capital LLC1,853$280.3K0.01%
Ascent Group, LLC1,817$274.9K0.01%
William John Sempolinski1,802$272.6K0.14%
Westover Capital Advisors, LLC1,800$272.3K0.05%
Dimension Capital Management LLC1,743$263.7K0.04%
Wealth Effects LLC1,725$261.0K0.09%

Sold out (84)

Institutions that held Arm Holdings PLC at the end of Q4 2025 and filed for Q1 2026 without it.

Institutions that sold out of ARM in Q1 2026
InstitutionShares, Q4 2025Value, Q4 2025
Coatue Management LLCSuperinvestorCoatue Management2,300,000$251.4M
Capital World Investors1,165,776$127.4M
Marshall Wace, LLP1,128,252$123.3M
Two Sigma Advisers, LP712,100$77.8M
Capital Fund Management S.A.454,683$49.7M
Voloridge Investment Management, LLC343,576$37.6M
Franklin Street Advisors Inc125,062$13.7M
Natixis118,941$13.0M
Dymon Asia Capital (Singapore) Pte. Ltd.106,000$11.6M
J. Goldman & Co LP52,500$5.74M
Telemark Asset Management, LLC50,000$5.47M
Virtu Financial LLC44,829$4.90M
Group One Trading, L.P.44,562$4.87M
Trexquant Investment LP43,869$4.80M
Voleon Capital Management LP31,687$3.46M
Aquatic Capital Management LLC29,349$3.21M
Federated Hermes, Inc.24,292$2.66M
DRW Securities, LLC21,700$2.37M
Siren, L.L.C.21,500$2.35M
Rakuten Investment Management, Inc.20,466$2.26M
RBF Capital, LLC20,000$2.19M
Deeter Investments LLP20,000$2.19M
Guardian Capital LP19,906$2.18M
Fideuram Asset Management (Ireland) dac14,567$1.97M
Engineers Gate Manager LP12,393$1.35M
Susquehanna Portfolio Strategies, LLC11,604$1.27M
Agf Management Ltd10,600$1.16M
Bridgefront Capital, LLC10,125$1.11M
Ardmore Road Asset Management LP10,000$1.09M
Headlands Technologies LLC8,734$954.7K
Blueshift Asset Management, LLC8,175$893.6K
Rye Brook Capital LLC6,015$658.0K
Everstar Asset Management, LLC22,000$588.1K
WBI Investments5,222$570.8K
Avanda Investment Management Pte. Ltd.5,100$557.5K
WealthPLAN Partners, LLC4,850$530.2K
R Squared Ltd4,649$508.2K
IAM Advisory, LLC4,597$502.5K
Advisors Preferred, LLC4,101$470.5K
Sanders Morris Harris LLC3,667$404.4K
Leavell Investment Management, Inc.3,695$403.9K
Two Sigma Securities, LLC3,650$399.0K
Axq Capital, LP3,309$361.7K
Jefferies Financial Group Inc.3,200$349.8K
Buckingham Strategic Partners2,775$303.3K
Fisher Asset Management, LLC2,732$298.6K
Kingswood Wealth Advisors, LLC2,503$273.6K
Ritholtz Wealth Management2,339$255.7K
CenterStar Asset Management, LLC2,318$253.5K
PharVision Advisers, LLC2,261$247.2K
First Bank & Trust2,116$231.3K
Resources Investment Advisors, LLC.1,955$213.7K
Inscription Capital, LLC1,943$212.4K
Flow Traders U.S. LLC1,872$205.0K
Limestone Investment Advisors LP850$92.9K
SageView Advisory Group, LLC532$58.2K
Greenline Wealth Management LLC512$56.0K
Intesa Sanpaolo Wealth Management480$52.5K
Navalign, LLC300$32.8K
Clear Street Markets LLC211$23.1K
Flagship Harbor Advisors, LLC206$22.5K
Oakum Bay Capital LLC200$21.9K
Concord Wealth Partners161$17.6K
Macquarie Group Ltd156$17.1K
Quarry LP153$16.7K
GGM Financials LLC150$16.4K
Wilkerson Advisory Group LLC150$16.4K
Laurel Wealth Advisors LLC90$9.84K
Strategic Advocates LLC82$9.09K
Tucker Asset Management LLC76$8.31K
DV Trading LLC61$6.67K
Compass Financial Services Inc59$6.45K
Eastern Bank50$5.47K
Elyxium Wealth, LLC50$5.47K
First Command Advisory Services, Inc.36$3.94K
NCP Inc.36$3.94K
Private Trust Co NA35$3.83K
Cape Investment Advisory, Inc.28$3.06K
Bangor Savings Bank21$2.30K
Measured Wealth Private Client Group, LLC21$2.30K
Canada Pension Plan Investment Board10$1.09K
Bare Financial Services, Inc6$656
Whipplewood Advisors, LLC4$437
Wealth Watch Advisors, INC3$328

Not filed for Q1 2026 yet (14)

Institutions that held Arm Holdings PLC at the end of Q4 2025 and haven't filed a 13F for Q1 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ARM in Q4 2025 that haven't filed for Q1 2026
InstitutionShares, Q4 2025Value, Q4 2025
Prosperity Wealth Management, Inc.7,831$856.0K
CIBC World Markets Corp6,721$734.7K
High Falls Advisors, Inc5,400$590.3K
EMC Capital Management3,250$363.0K
CIBC Private Wealth Group, LLC1,322$144.5K
Global Retirement Partners, LLC922$100.8K
STF Management LP846$92.5K
Ransom Advisory, Ltd670$73.2K
Pandora Wealth, Inc.500$54.7K
Motiv8 Investments LLC346$38.0K
GPS Wealth Strategies Group, LLC310$33.9K
New Millennium Group LLC74$8.09K
ORG Partners LLC30$3.28K
Stephens Consulting, LLC4$438