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
CIBC World Markets Inc.	–	–	–	–	Not filed
Bessemer Group Inc	–	–	–	–	Not filed
Natixis Advisors, L.P.	–	–	–	–	Not filed
GF Fund Management Co. Ltd.	–	–	–	–	Not filed
Nissay Asset Management Corp	–	–	–	–	Not filed
Geode Capital Management, LLC	–	–	–	–	Not filed
Reynders McVeigh Capital Management, LLC	–	–	–	–	Not filed
CIBC Asset Management Inc	–	–	–	–	Not filed
Public Employees Retirement System of Ohio	–	–	–	–	Not filed
Capital International Sarl	–	–	–	–	Not filed
La Banque Postale Asset Management SA	–	–	–	–	Not filed
Liontrust Investment Partners LLP	–	–	–	–	Not filed
Banque Transatlantique SA	–	–	–	–	Not filed
TD Asset Management Inc	–	–	–	–	Not filed
Robeco Institutional Asset Management B.V.	–	–	–	–	Not filed
Bank of Montreal	–	–	–	–	Not filed
Guggenheim Capital LLC	–	–	–	–	Not filed
Prospera Financial Services Inc	–	–	–	–	Not filed
Healthcare of Ontario Pension Plan Trust Fund	–	–	–	–	Not filed
Alliancebernstein L.P.	–	–	–	–	Not filed
Eurizon Capital SGR S.p.A.	–	–	–	–	Not filed
HighTower Advisors, LLC	–	–	–	–	Not filed
Envestnet Asset Management Inc	–	–	–	–	Not filed
Rheos Capital Works Inc.	–	–	–	–	Not filed
UNICOM Systems, Inc.	–	–	–	–	Not filed
NEOS Investment Management LLC	–	–	–	–	Not filed
SBI Securities Co., Ltd.	–	–	–	–	Not filed
Vident Advisory, LLC	–	–	–	–	Not filed
Fideuram - Intesa Sanpaolo Private Banking S.P.A.	–	–	–	–	Not filed
Sumitomo Mitsui Trust Holdings, Inc.	–	–	–	–	Not filed
APG Asset Management N.V.	–	–	–	–	Not filed
Jane Street Group, LLC	–	–	–	–	Not filed
Fideuram Asset Management (Ireland) dac	–	–	–	–	Not filed
Assetmark, Inc	–	–	–	–	Not filed
Bank Julius Baer & Co. Ltd, Zurich	–	–	–	–	Not filed
Whittier Trust Co of Nevada Inc	–	–	–	–	Not filed
IMC-Chicago, LLC	–	–	–	–	Not filed
Handelsbanken Fonder AB	–	–	–	–	Not filed
Nomura Asset Management Co Ltd	–	–	–	–	Not filed
Intrinsic Edge Capital Management LLC	–	–	–	–	Not filed
Harel Insurance Investments & Financial Services Ltd.	–	–	–	–	Not filed
USS Investment Management Ltd	–	–	–	–	Not filed
Capital International Inc	–	–	–	–	Not filed
Ami Asset Management Corp	–	–	–	–	Not filed
Cambridge Investment Research Advisors, Inc.	–	–	–	–	Not filed
Northwestern Mutual Wealth Management Co	–	–	–	–	Not filed
Zevenbergen Capital Investments LLC	–	–	–	–	Not filed
Spear Advisors LLC	–	–	–	–	Not filed
Pictet Asset Management Holding SA	–	–	–	–	Not filed
Jump Financial, LLC	–	–	–	–	Not filed
Stifel Financial Corp	–	–	–	–	Not filed
United Capital Management of KS, Inc.	–	–	–	–	Not filed
Capital International Ltd	–	–	–	–	Not filed
Banco Bilbao Vizcaya Argentaria, S.A.	–	–	–	–	Not filed
CSM Advisors, LLC	–	–	–	–	Not filed
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.	–	–	–	–	Not filed
Harvest Fund Management Co., Ltd	–	–	–	–	Not filed
Brighton Jones LLC	–	–	–	–	Not filed
iA Global Asset Management Inc.	–	–	–	–	Not filed
Cetera Investment Advisers	–	–	–	–	Not filed
SG Americas Securities, LLC	–	–	–	–	Not filed
Krane Funds Advisors LLC	–	–	–	–	Not filed
Nixon Peabody Trust Co	–	–	–	–	Not filed
Ardsley Advisory Partners LP	–	–	–	–	Not filed
Man Group plc	–	–	–	–	Not filed
Norges Bank	–	–	–	–	Not filed
Stanley-Laman Group, Ltd.	–	–	–	–	Not filed
Canada Pension Plan Investment Board	–	–	–	–	Not filed
HSBC Holdings PLC	–	–	–	–	Not filed
Daiwa Securities Group Inc.	–	–	–	–	Not filed
Renaissance Capital LLC	–	–	–	–	Not filed
Global X Japan Co., Ltd.	–	–	–	–	Not filed
Slow Capital, Inc.	–	–	–	–	Not filed
Shelton Capital Management	–	–	–	–	Not filed
Midwest Trust Co	–	–	–	–	Not filed
Creative Planning	–	–	–	–	Not filed
Wiley Bros.-Aintree Capital, LLC	–	–	–	–	Not filed
Ratan Capital Management LP	–	–	–	–	Not filed
Janney Montgomery Scott LLC	–	–	–	–	Not filed
Diversify Advisory Services, LLC	–	–	–	–	Not filed
Diversify Wealth Management, LLC	–	–	–	–	Not filed
Berkshire Capital Holdings Inc	–	–	–	–	Not filed
Natixis	–	–	–	–	Not filed
New York State Common Retirement Fund	–	–	–	–	Not filed
Schaper Benz & Wise Investment Counsel Inc	–	–	–	–	Not filed
Advisory Services Network, LLC	–	–	–	–	Not filed
AnglePoint Asset Management Ltd	–	–	–	–	Not filed
Profund Advisors LLC	–	–	–	–	Not filed
Oppenheimer & Co Inc	–	–	–	–	Not filed
Broadleaf Partners, LLC	–	–	–	–	Not filed
Commonwealth Equity Services, LLC	–	–	–	–	Not filed
Oversea-Chinese Banking CORP Ltd	–	–	–	–	Not filed
Pinnacle Associates Ltd	–	–	–	–	Not filed
Generate Investment Management Ltd	–	–	–	–	Not filed
Concurrent Investment Advisors, LLC	–	–	–	–	Not filed
Waratah Capital Advisors Ltd.	–	–	–	–	Not filed
Peregrine Investment Management Inc	–	–	–	–	Not filed
Kadensa Capital Ltd	–	–	–	–	Not filed
Voloridge Investment Management, LLC	–	–	–	–	Not filed
Union Bancaire Privee, UBP SA	–	–	–	–	Not filed