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 $278.28B, about 1142.2x ALMU ($243.6M).
- Over the past year, ALMU is down 24.6% and ARM is up 88.0% - ARM leads by 112.6 points.
- ALMU has been more active in the news (4 items in the past 4 weeks vs 3 for ARM).
- ARM has more recent analyst coverage (25 ratings vs 2 for ALMU).
PerformanceALMU-24.58%ARM+88.02%
2025-09-08+0.00%2026-09-08
- Company
- Aeluma Inc.
- Arm Holdings plc
- Price
- $13.32+2.94%
- $261.95+3.95%
- Market cap
- $243.6M
- $278.28B
- 1M return
- -27.01%
- -7.46%
- 1Y return
- -24.58%
- +88.02%
- Industry
- Semiconductors
- Semiconductors
- Exchange
- NASDAQ
- NASDAQ
- IPO
- 2023
- News (4w)
- 4
- 3
- Recent ratings
- 2
- 25
Latest ALMU
- Aeluma to Announce Fourth Quarter and Fiscal Year 2026 Financial Results on September 16, 2026
- Amendment: Director Denbaars Steven sold $345,741 worth of shares (25,000 units at $13.83) as part of a pre-agreed trading plan, decreasing direct ownership by 7% to 345,209 units (SEC Form 4)
- Director Denbaars Steven sold $345,741 worth of shares (25,000 units at $13.83), decreasing direct ownership by 7% to 345,209 units (SEC Form 4)
- SEC Form 144 filed by Aeluma Inc.
- Chief Executive Officer Klamkin Jonathan gifted 20,000 shares, received a gift of 20,000 shares and sold $334,641 worth of shares (20,000 units at $16.73) as part of a pre-agreed trading plan (SEC Form 4)
- Aeluma Names Jason Taylor Senior Director of Program and Project Management
- Aeluma Inc. filed SEC Form 8-K: Regulation FD Disclosure, Financial Statements and Exhibits
- Aeluma and Department of Commerce Sign CHIPS Research & Development Office (CRDO) Letter of Intent for up to $30 Million to Accelerate U.S. Leadership in AI and Advanced Computing
- Aeluma CEO to Chair Optica Advanced Photonics Congress Industry Program on AI and Quantum
- Chief Executive Officer Klamkin Jonathan gifted 20,000 shares, received a gift of 20,000 shares and sold $421,668 worth of shares (20,000 units at $21.08) as part of a pre-agreed trading plan (SEC Form 4)
Latest ARM
- Chief Financial Officer Child Jason sold $2,655,432 worth of Ordinary Shares (10,400 units at $255.33) as part of a pre-agreed trading plan, decreasing direct ownership by 6% to 163,832 units (SEC Form 4)
- SEC Form 144 filed by Arm Holdings plc
- Chief Accounting Officer Bartels Laura Kathleen covered exercise/tax liability with 856 units of Ordinary Shares and converted options into 1,681 units of Ordinary Shares, increasing direct ownership by 7% to 12,960 units (SEC Form 4) (withholding obligation)
- Director Sine Jeffrey gifted 9,572 units of Ordinary Shares, closing all direct ownership in the company (SEC Form 4)
- SEC Form 6-K filed by Arm Holdings plc
- Arm Holdings plc upgraded by New Street
- SEC Form 6-K filed by Arm Holdings plc
- Arm Holdings plc Reports Results for the First Quarter of the Fiscal Year Ending 2027
- SEC Form 6-K filed by Arm Holdings plc
- The Benchmark Company resumed coverage on Arm Holdings plc