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 $260.47B, about 1523.8x ALMU ($170.9M).
- Over the past year, ALMU is down 50.9% and ARM is up 32.8% - ARM leads by 83.8 points.
- ALMU has been more active in the news (5 items in the past 4 weeks vs 4 for ARM).
- ARM has more recent analyst coverage (25 ratings vs 2 for ALMU).
PerformanceALMU-50.91%ARM+32.85%
2025-10-20+0.00%2026-10-16
- Company
- Aeluma Inc.
- Arm Holdings plc
- Price
- $7.99-9.67%
- $227.75-6.92%
- Market cap
- $170.9M
- $260.47B
- 1M return
- -30.97%
- -14.03%
- 1Y return
- -50.91%
- +32.85%
- Industry
- Semiconductors
- Semiconductors
- Exchange
- NASDAQ
- NASDAQ
- IPO
- 2023
- News (4w)
- 5
- 4
- Recent ratings
- 2
- 25
Latest ALMU
- SEC Form 4 filed by Aeluma Inc.
- Chief Financial Officer Stewart Christopher P. covered exercise/tax liability with 5,697 shares, decreasing direct ownership by 8% to 67,781 units (SEC Form 4)
- SEC Form DEFA14A filed by Aeluma Inc.
- SEC Form DEF 14A filed by Aeluma Inc.
- Aeluma Inc. filed SEC Form 8-K: Amendments to Articles of Incorporation or Bylaws; Change in Fiscal Year, Financial Statements and Exhibits
- Chief Financial Officer Stewart Christopher P. was granted 19,928 shares and covered exercise/tax liability with 1,450 shares (SEC Form 4)
- Chief Executive Officer Klamkin Jonathan sold $1,335,320 worth of shares (100,000 units at $13.35) as part of a pre-agreed trading plan, was granted 44,446 shares and covered exercise/tax liability with 4,547 shares, increasing direct ownership by 1,660% to 42,302 units (SEC Form 4)
- Director Byron Michael exercised 25,000 shares at a strike of $5.93, increasing direct ownership by 187% to 38,343 units (SEC Form 4)
- SEC Form S-8 filed by Aeluma Inc.
- SEC Form 10-K filed by Aeluma Inc.
Latest ARM
- A 20% Drop in Smartphone Shipments Shows Who Wins When Memory Gets Expensive
- AI Revenue Questions Pull Semiconductor Stocks Off October Highs
- The Unconventional Route to Fusion Power Just Hit a World First
- Arm Announces Earnings Release Date for Second Quarter Fiscal Year Ending 2027
- Chief Financial Officer Child Jason sold $3,120,000 worth of Ordinary Shares (10,400 units at $300.00) as part of a pre-agreed trading plan, decreasing direct ownership by 6% to 153,442 units (SEC Form 4)
- SEC Form 144 filed by Arm Holdings plc
- SEC Form 6-K filed by Arm Holdings plc
- SEC Form 4 filed by Chief Commercial Officer Abbey William
- Chief Executive Officer Haas Rene A. was granted 64 units of Ordinary Shares, increasing direct ownership by 0.02% to 338,666 units (SEC Form 4)
- SEC Form 6-K filed by Arm Holdings plc