Stocks › ARM
ARM HOLDINGS PLC /UK
ARM·Nasdaq·
United Kingdom·USD
United Kingdom·USD$294.37
-8.19 (-2.71%)
Close · Oct 7, 2026 · Close Prices from Tiingo.com
ARM
ARM HOLDINGS PLC /UK · Nasdaq
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
ARMS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
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Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair
Congressional Trades
Recent trades of ARM by members of U.S. Congress · 4 on record · 2 in the last 12 months
| Politician | Stock | Type | Filed | Traded | |
|---|---|---|---|---|---|
 Cleo FieldsHouse · D · LA |
ARMARM HOLDINGS PLC /UK · Stock |
Sale $50,001 - $100,000 |
Dec 17, 2025 | Dec 11, 2025 | Filing ↗ |
 Jonathan L. JacksonHouse · D · IL |
ARMARM HOLDINGS PLC /UK · Stock |
Sale $1,001 - $15,000 |
Oct 15, 2025 | Sep 2, 2025 | Filing ↗ |
| Jonathan L. JacksonHouse · D · IL |
ARMARM HOLDINGS PLC /UK · Stock |
Purchase $1,001 - $15,000 |
Aug 25, 2025 | Jul 17, 2025 | Filing ↗ |
| Cleo FieldsHouse · D · LA |
ARMARM HOLDINGS PLC /UK · Stock |
Purchase $50,001 - $100,000 |
Aug 6, 2025 | Jul 16, 2025 | Filing ↗ |
Whale Activity
Position changes in ARM reported for 2026-09-30 by 4 tracked institutional filers
- Increased0
- New0
- Held0
- Decreased0
- Closed0
- No prior filing4
| Filer | Shares | Value | Change |
|---|---|---|---|
| CONGRESS ASSET MANAGEMENT CO | 389.1K | $112.7M | — |
| Defender Capital, LLC. | 20.5K | $5.9M | — |
| FIG FINANCIAL ADVISORY SERVICES INC /ADV | 3,694 | $1.1M | — |
| GoalFusion Wealth Management, LLC | 905 | $262K | — |
KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.
Insider Trading
Net shares bought (+) or sold (−) on the open market by ARM insiders, by quarter · Form 4
Recent Insider Transactions
412 transactions on record · newest first
| Insider | Type | Shares | Price | Value | Date | |
|---|---|---|---|---|---|---|
| Child JasonChief Financial Officer | Sale | −10.4K | $300.00 | $3.1M | Sep 21, 2026 | Form 4 ↗ |
| Child JasonChief Financial Officer | Sale | −10.4K | $255.33 | $2.7M | Aug 27, 2026 | Form 4 ↗ |
| Bartels Laura KathleenChief Accounting Officer | Sale | −11.3K | $392.70 | $4.4M | Jun 2, 2026 | Form 4 ↗ |
| Abbey WilliamChief Commercial Officer | Sale | −3,922 | $415.52 | $1.6M | Jun 1, 2026 | Form 4 ↗ |
| Abbey WilliamChief Commercial Officer | Sale | −2,644 | $383.73 | $1.0M | Jun 1, 2026 | Form 4 ↗ |
| Abbey WilliamChief Commercial Officer | Sale | −4,200 | $343.81 | $1.4M | May 28, 2026 | Form 4 ↗ |
| Abbey WilliamChief Commercial Officer | Sale | −2,300 | $305.82 | $703K | May 22, 2026 | Form 4 ↗ |
| Abbey WilliamChief Commercial Officer | Sale | −4,655 | $287.03 | $1.3M | May 21, 2026 | Form 4 ↗ |
| Eaton Charlotte ClaireChief People Officer | Sale | −5,000 | $291.08 | $1.5M | May 21, 2026 | Form 4 ↗ |
| Eaton Charlotte ClaireChief People Officer | Sale | −2,805 | $288.10 | $808K | May 21, 2026 | Form 4 ↗ |
| Eaton Charlotte ClaireChief People Officer | Sale | −4,000 | $282.77 | $1.1M | May 21, 2026 | Form 4 ↗ |
| Abbey WilliamChief Commercial Officer | Sale | −5,069 | $257.18 | $1.3M | May 20, 2026 | Form 4 ↗ |
| Eaton Charlotte ClaireChief People Officer | Sale | −3,100 | $252.25 | $782K | May 20, 2026 | Form 4 ↗ |
| Child JasonChief Financial Officer | Sale | −31.9K | $226.54 | $7.2M | May 20, 2026 | Form 4 ↗ |
| Collins SpencerChief Legal Officer | Sale | −40.9K | $215.00 | $8.8M | May 19, 2026 | Form 4 ↗ |
| Abbey WilliamChief Commercial Officer | Sale | −10.9K | $224.14 | $2.4M | May 19, 2026 | Form 4 ↗ |
| Grisenthwaite Richard RoyChief Architect | Sale | −24.3K | $209.15 | $5.1M | May 18, 2026 | Form 4 ↗ |
| Bartels Laura KathleenChief Accounting Officer | Tax withholding | −3,383 | $209.16 | $708K | May 15, 2026 | Form 4 ↗ |
| Bartels Laura KathleenChief Accounting Officer | Option exercise | +2,308 | — | — | May 15, 2026 | Form 4 ↗ |
| Bartels Laura KathleenChief Accounting Officer | Option exercise | +862 | — | — | May 15, 2026 | Form 4 ↗ |
Fund Holders
Mutual funds and ETFs holding ARM · SEC Form N-PORT
| Fund | Shares | Value | % of fund | As of |
|---|---|---|---|---|
| Invesco QQQ Trust, Series 1 | 9.0M | $3.19B | 0.65% | Jun 30, 2026 |
| VanEck Semiconductor ETF VanEck ETF Trust | 2.5M | $899.8M | 1.17% | Jun 30, 2026 |
| EUPAC Fund | 2.0M | $695.1M | 0.49% | Jun 30, 2026 |
| Select Semiconductors Portfolio Fidelity Select Portfolios | 1.9M | $686.5M | 1.34% | May 31, 2026 |
| New Perspective Fund | 1.9M | $685.8M | 0.40% | Jun 30, 2026 |
| Growth Fund of America | 1.3M | $460.7M | 0.13% | May 31, 2026 |
| iShares Semiconductor ETF iShares Trust | 1.1M | $378.1M | 0.79% | Jun 30, 2026 |
| Capital World Growth & Income Fund | 788.4K | $278.5M | 0.17% | May 31, 2026 |
| Franklin Growth Fund Franklin Custodian Funds | 671.7K | $238.2M | 1.37% | Jun 30, 2026 |
| Invesco NASDAQ 100 ETF Invesco Exchange-Traded Fund Trust II | 593.6K | $209.7M | 0.22% | May 31, 2026 |
Mutual funds and ETFs whose N-PORT filings list ARM's shares (CUSIP 042068205), each fund at its latest report since Mar 8, 2026, largest positions first. Bonds, options and short positions are left out.
Activist & Passive Stakes
Schedule 13D / 13G beneficial-ownership filings
No 13D/13G beneficial-ownership filings on record.
Corporate Lobbying
Estimated quarterly lobbying spending reported under the LDA, filings naming arm as client
- BLOOM STRATEGIC COUNSELARM INC. · 2026 Q3$40K
Filing ↗ - BLOOM STRATEGIC COUNSELARM INC. · 2026 Q2$10K
Filing ↗ - BLOOM STRATEGIC COUNSELARM INC. · 2026 Q2 · SCI, LBR—
Filing ↗ - FGS GLOBAL (US) LLC (FKA FGH HOLDINGS LLC)ARM LIMITED · 2026 Q2 · SCI, CPI$110K
Filing ↗ - FEDERAL HALL POLICY ADVISORS, LLCARM INC. · 2026 Q2 · SCI$10K
Filing ↗
Government Contracts
Federal awards to ARM HOLDINGS PLC /UK · USAspending
No federal contract awards found for ARM HOLDINGS PLC /UK.
U.S. Patents
Recent USPTO applications naming ARM HOLDINGS PLC /UK
No USPTO patent applications found for ARM HOLDINGS PLC /UK.
Annual Financials
From ARM's 10-K filings · XBRL
No annual XBRL figures on record for ARM. KeyVex's fundamentals cover about 130 large companies so far.
Stock Splits
Every split and reverse split in the price history
No stock splits in ARM's price history.
Material Events (8-K)
Corporate events filed with the SEC
No 8-K filings on record.
About ARM HOLDINGS PLC /UK
From SEC EDGAR company records
Industry (SIC 3674)Semiconductors & Related Devices
SectorTechnology
HeadquartersCAMBRIDGE, United Kingdom
IncorporatedX0
SEC CIK0001973239 ↗
Former namesArm Holdings Ltd