Compare · ALMU vs ARM
ALMU vs ARM
Side-by-side comparison of Aeluma Inc. (ALMU) and Arm Holdings plc (ARM): market cap, price performance, sector, and recent activity on the wire.
Summary
- Both ALMU and ARM operate in Semiconductors (Technology), so they compete in similar markets.
- ARM is the larger of the two at $364.90B, about 882.4x ALMU ($413.5M).
- Over the past year, ALMU is up 22.2% and ARM is up 147.5% - ARM leads by 125.3 points.
- ARM has been more active in the news (28 items in the past 4 weeks vs 6 for ALMU).
- ARM has more recent analyst coverage (25 ratings vs 2 for ALMU).
PerformanceALMU+22.21%ARM+147.47%
2025-06-09+0.00%2026-06-05
- Company
- Aeluma Inc.
- Arm Holdings plc
- Price
- $22.56-17.00%
- $343.04-12.79%
- Market cap
- $413.5M
- $364.90B
- 1M return
- -20.66%
- +44.54%
- 1Y return
- +22.21%
- +147.47%
- Industry
- Semiconductors
- Semiconductors
- Exchange
- NASDAQ
- NASDAQ
- IPO
- 2023
- News (4w)
- 6
- 28
- Recent ratings
- 2
- 25
Latest ALMU
- Chief Executive Officer Klamkin Jonathan sold $500,661 worth of shares (20,000 units at $25.03) as part of a pre-agreed trading plan, gifted 20,000 shares and received a gift of 20,000 shares (SEC Form 4)
- Aeluma Sees Accelerated Timeline for Quantum Commercialization
- Director Denbaars Steven sold $505,630 worth of shares (25,000 units at $20.23) as part of a pre-agreed trading plan, decreasing direct ownership by 6% to 370,209 units (SEC Form 4)
- Aeluma CEO Jonathan Klamkin to Receive Prestigious Indium Phosphide and Related Materials Award
- SEC Form 144 filed by Aeluma Inc.
- Aeluma Inc. filed SEC Form 8-K: Regulation FD Disclosure, Financial Statements and Exhibits
- Amendment: SEC Form SCHEDULE 13G/A filed by Aeluma Inc.
- SEC Form 10-Q filed by Aeluma Inc.
- Aeluma Inc. filed SEC Form 8-K: Results of Operations and Financial Condition, Financial Statements and Exhibits
- Aeluma Announces Third Quarter Fiscal 2026 Financial Results
Latest ARM
- Chief Accounting Officer Bartels Laura Kathleen sold $4,439,866 worth of Ordinary Shares (11,306 units at $392.70), decreasing direct ownership by 48% to 12,135 units (SEC Form 4)
- Chief Commercial Officer Abbey William sold $2,644,252 worth of Ordinary Shares (6,566 units at $402.72), decreasing direct ownership by 24% to 20,563 units (SEC Form 4)
- Chief Commercial Officer Abbey William sold $1,444,002 worth of Ordinary Shares (4,200 units at $343.81), decreasing direct ownership by 13% to 27,129 units (SEC Form 4)
- Chief Commercial Officer Abbey William sold $703,386 worth of Ordinary Shares (2,300 units at $305.82), decreasing direct ownership by 7% to 31,329 units (SEC Form 4)
- SEC Form SD filed by Arm Holdings plc
- SEC Form IRANNOTICE filed by Arm Holdings plc
- SEC Form 20-F filed by Arm Holdings plc
- Chief Commercial Officer Abbey William sold $1,336,125 worth of Ordinary Shares (4,655 units at $287.03), decreasing direct ownership by 12% to 33,629 units (SEC Form 4)
- Chief People Officer Eaton Charlotte Claire sold $2,263,520 worth of Ordinary Shares (7,805 units at $290.01), closing all direct ownership in the company (SEC Form 4)
- Chief Legal Officer Collins Spencer sold $8,802,315 worth of Ordinary Shares (40,941 units at $215.00), closing all direct ownership in the company (SEC Form 4)