Arm Holdings PLC

ARM

Exchange: Nasdaq
Industry: Semiconductors & Related Devices
SEC CIK: 0001973239

SEC filings (opens in a new tab)

In the last 90 days, Arm Holdings PLC insiders filed 0 open-market purchases and 2 sales; 963 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.

13F holders, Q3 2026

Institutional positions in Arm Holdings PLC as of Sep 30, 2026. 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

Q3 2026 data is still coming in (13F filing deadline: Nov 16, 2026), so these numbers are incomplete.

Institutional holders: 4; 0 vs. Q2 2026
Shares held: 21.3K; +33 (+0.2%) vs. Q2 2026
Total value: $6.16M; −$1.37M (−18.2%) vs. Q2 2026
New holders: 1; 0 more added
Sold out: 1; 1 more reduced

959 institutions that held it in Q2 2026 haven't filed for Q3 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ARM 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 holders

Value held

Institutions holding ARM and their total value by quarter
Quarter	Holders	Value
Q2 2026	963	$35.0B
Q1 2026	745	$13.7B
Q4 2025	654	$8.97B
Q3 2025	659	$10.6B
Q2 2025	669	$13.1B
Q1 2025	636	$8.09B
Q4 2024	641	$7.93B
Q3 2024	615	$8.66B
Q2 2024	568	$9.95B
Q1 2024	410	$7.63B
Q4 2023	271	$5.82B
Q3 2023	210	$3.97B
Q2 2023	0	$0
Q1 2023	0	$0
Q4 2022	0	$0
Q3 2022	0	$0
Q2 2022	0	$0
Q1 2022	0	$0
Q4 2021	0	$0
Q3 2021	0	$0
Q2 2021	0	$0
Q1 2021	0	$0

Institutions, Q3 2026

Shares, value and share of portfolio for each institution holding Arm Holdings PLC; share changes are against Q2 2026.

Institutions holding ARM in Q3 2026
Institution	Shares	Value	% of portfolio	Change in shares	Action
J. Safra Sarasin Holding AG	–	–	–	–	Not filed
Zurcher Kantonalbank (Zurich Cantonalbank)	–	–	–	–	Not filed
Vestor Capital, LLC	–	–	–	–	Not filed
Capstone Investment Advisors, LLC	–	–	–	–	Not filed
Quantum Private Wealth, LLC	–	–	–	–	Not filed
Stratos Wealth Partners, LTD.	–	–	–	–	Not filed
Paragon Capital Management Inc	–	–	–	–	Not filed
Pine Valley Investments Ltd Liability Co	–	–	–	–	Not filed
Fukoku Mutual Life Insurance Co	–	–	–	–	Not filed
Itau Unibanco Holding S.A.	–	–	–	–	Not filed
Sona Asset Management (US) LLC	–	–	–	–	Not filed
Brinker Capital Investments, LLC	–	–	–	–	Not filed
Convergence Financial, LLC	–	–	–	–	Not filed
QRG Capital Management, Inc.	–	–	–	–	Not filed
Summit Financial, LLC	–	–	–	–	Not filed
Haven Private, LLC	–	–	–	–	Not filed
Dorsey & Whitney Trust CO LLC	–	–	–	–	Not filed
Willner & Heller, LLC	–	–	–	–	Not filed
COFG Advisors, LLC	–	–	–	–	Not filed
Castle Rock Wealth Management, LLC	–	–	–	–	Not filed
Flow Traders U.S. LLC	–	–	–	–	Not filed
Green Square Capital Advisors LLC	–	–	–	–	Not filed
Thoroughbred Financial Services, LLC	–	–	–	–	Not filed
Iyo Bank, Ltd.	–	–	–	–	Not filed
Meiji Yasuda Life Insurance Co	–	–	–	–	Not filed
Zurich Insurance Group Ltd	–	–	–	–	Not filed
Insigneo Advisory Services, LLC	–	–	–	–	Not filed
Stephens Inc	–	–	–	–	Not filed
Smith Group Asset Management, LLC	–	–	–	–	Not filed
Walleye Capital LLC	–	–	–	–	Not filed
Independent Financial Group, LLC	–	–	–	–	Not filed
Empirical Asset Management, LLC	–	–	–	–	Not filed
Tower View Investment Management & Research LLC	–	–	–	–	Not filed
Maxi Investments CY Ltd	–	–	–	–	Not filed
CFM Wealth Partners LLC	–	–	–	–	Not filed
Russell Investments Group, Ltd.	–	–	–	–	Not filed
Cim Investment Mangement Inc	–	–	–	–	Not filed
Seeds Investor LLC	–	–	–	–	Not filed
Envestnet Portfolio Solutions, Inc.	–	–	–	–	Not filed
US Bancorp	–	–	–	–	Not filed
Captrust Financial Advisors	–	–	–	–	Not filed
Fiduciary Trust Co	–	–	–	–	Not filed
Prime Capital Investment Advisors, LLC	–	–	–	–	Not filed
Proem Advisors LLC	–	–	–	–	Not filed
Harbour Capital Advisors, LLC	–	–	–	–	Not filed
SBI Okasan Asset Management Co.Ltd.	–	–	–	–	Not filed
D.A. Davidson & Co.	–	–	–	–	Not filed
Sumitomo Mitsui DS Asset Management Company, Ltd	–	–	–	–	Not filed
Quantinno Capital Management LP	–	–	–	–	Not filed
CIBC Bancorp USA Inc.	–	–	–	–	Not filed
Mercer Global Advisors Inc	–	–	–	–	Not filed
Kestra Private Wealth Services, LLC	–	–	–	–	Not filed
Verition Fund Management LLC	–	–	–	–	Not filed
BI Asset Management Fondsmaeglerselskab A/S	–	–	–	–	Not filed
ICICI Prudential Asset Management Co Ltd	–	–	–	–	Not filed
Polymer Capital Management (HK) LTD	–	–	–	–	Not filed
Hilton Head Capital Partners, LLC	–	–	–	–	Not filed
Havemeyer Place LP	–	–	–	–	Not filed
WBI Investments	–	–	–	–	Not filed
Barrier Capital Management, LLC	–	–	–	–	Not filed
ING Groep NV	–	–	–	–	Not filed
BOCHK Asset Management Ltd	–	–	–	–	Not filed
Geneos Wealth Management Inc.	–	–	–	–	Not filed
Indivisible Partners	–	–	–	–	Not filed
Hantz Financial Services, Inc.	–	–	–	–	Not filed
Acadian Asset Management LLC	–	–	–	–	Not filed
Prasad Wealth Partners, LLC	–	–	–	–	Not filed
CI Private Wealth, LLC	–	–	–	–	Not filed
Charles Schwab Investment Management Inc	–	–	–	–	Not filed
Edmond de Rothschild Holding S.A.	–	–	–	–	Not filed
Covea Finance	–	–	–	–	Not filed
WealthPlan Investment Management, LLC	–	–	–	–	Not filed
SEB Asset Management AB	–	–	–	–	Not filed
Ensign Peak Advisors, Inc	–	–	–	–	Not filed
Beacon Pointe Advisors, LLC	–	–	–	–	Not filed
Artemis Wealth Advisors, LLC	–	–	–	–	Not filed
Metatron Capital SICAV plc - Metatron Long Term Equity Fund	–	–	–	–	Not filed
Maridea Wealth Management LLC	–	–	–	–	Not filed
Wealth Enhancement Advisory Services, LLC	–	–	–	–	Not filed
Empowered Funds, LLC	–	–	–	–	Not filed
Truist Financial Corp	–	–	–	–	Not filed
Kovack Advisors, Inc.	–	–	–	–	Not filed
Wealthfront Advisers LLC	–	–	–	–	Not filed
Lazard Asset Management LLC	–	–	–	–	Not filed
Perigon Wealth Management, LLC	–	–	–	–	Not filed
D. E. Shaw & Co., Inc.	–	–	–	–	Not filed
Fortem Financial Group, LLC	–	–	–	–	Not filed
Cresset Asset Management, LLC	–	–	–	–	Not filed
Steward Partners Investment Advisory, LLC	–	–	–	–	Not filed
Crossmark Global Holdings, Inc.	–	–	–	–	Not filed
National Asset Management, Inc.	–	–	–	–	Not filed
IKE Capital, LLC	–	–	–	–	Not filed
Q3 Asset Management	–	–	–	–	Not filed
ROI Financial Advisors, LLC	–	–	–	–	Not filed
Twin Tree Management, LP	–	–	–	–	Not filed
Americana Partners, LLC	–	–	–	–	Not filed
B & T Capital Management DBA Alpha Capital Management	–	–	–	–	Not filed
Hennion & Walsh Asset Management, Inc.	–	–	–	–	Not filed
Bridgewater Associates, LP	–	–	–	–	Not filed
Stevens Capital Management LP	–	–	–	–	Not filed