Aeluma stock (ALMU)
Aeluma stock (ALMU) closed at $11.93 on Oct 8, 2026, down 30.5% year to date, for a market capitalization of $210.8M. Revenue of $4.5M over the last twelve months, down 55.8% year on year, with a 25.6% gross margin and a -84.7% operating margin. Filed with the SEC, as of Jun 30, 2026.
- Last close
- $11.93 (2026-10-08)
- Year to date
- -30.5%
- 52-week range
- $10.24 – $31.79
- Market capitalization
- $210.8M
- Dividend yield
- None
- Revenue (TTM)
- $4.5M
- Revenue growth
- -55.8%
- Gross margin
- 25.6%
- Operating margin
- -84.7%
- Price / sales
- 47.2
- EV / revenue
- 34.7
- Figures as of
- 2026-06-30
- Named institutional holders
- 61
- Declared ownership
- 47.1% – 50.4%
- Exchange
- Nasdaq
- Headquarters
- Goleta, California
- Fiscal year ends
- June
- Industry (SEC)
- Semiconductors & Related Devices
- Registered with the SEC as
- Aeluma, Inc. (CIK 1828805)
Who owns Aeluma?
61 institutional holders named from SEC filings, together declaring between 47.1% and 50.4% of the shares outstanding, as of Sep 30, 2026. The largest named holders of Aeluma stock are Mark N. Tompkins (10.1%), Jonathan Klamkin (7.2%), BlackRock (5.5%), D. E. Shaw (4.5%) and Vanguard (4.4%). From Mar 31, 2026 to Jun 30, 2026, 19 managers opened a position, 29 added, 27 reduced and 11 sold out; the biggest sellers were RAYMOND JAMES FINANCIAL INC and Polar Asset Management Partners Inc., the biggest buyers D. E. Shaw and Millennium.
Aeluma shareholders: institutions, insiders and funds
Aeluma dividend
Aeluma does not pay a dividend: none in its price history since Nov 16, 2022.
About Aeluma
Aeluma, Inc. (together with our subsidiary, “we,” “our,” “us,” or the “Company”) develops high-performance photonic and electronic technologies for communications and sensing in telecom, artificial intelligence (“AI”) datacom, mobile, defense and aerospace, robotics, automotive, augmented reality/virtual reality (“AR/VR”), and quantum applications. Our proprietary platform combines compound semiconductor materials with large-diameter substrates to leverage manufacturing infrastructure used in high-volume microelectronics. Our technology and product development activities have focused on photodetectors, photodetector arrays, lasers, optical amplifiers, and other technologies.
Aeluma's own description, from its annual report (Form 10-K, filed Sep 16, 2026), Item 1. Business. Read the filing on sec.gov
Aeluma is headquartered in Goleta, California. It is registered with the SEC as Aeluma, Inc. (CIK 1828805); its fiscal year ends in June and its shares trade on the Nasdaq. Aeluma is one of the artificial intelligence (AI) and semiconductor companies tracked on Silicon Floor, in the optics segment, with live prices, SEC filings, financial statements, institutional ownership and dividends.
Latest reported quarter
In its quarter ended Jun 30, 2026 (filed Sep 16, 2026), Aeluma reported revenue of $582,000.00, operating income of -$493,000.00 and net income of -$4.0M.
Latest SEC filings
- 8-K — Earnings released (2.02), Sep 16, 2026
- 8-K — Earnings released (2.02), May 13, 2026
- 8-K — Material agreement signed (1.01), Mar 20, 2026
- 424B5 — Offering prospectus (424B5): offering underway, Mar 20, 2026
More on Aeluma
Filed figures, quarter by quarter
- Aeluma revenue by quarter, with the filing behind each
- Aeluma gross profit by quarter, with the filing behind each
- Aeluma operating income by quarter, with the filing behind each
- Aeluma net income by quarter, with the filing behind each