Aeluma
ALMU · NASDAQ
$7.68−$0.12 (−1.54%)TodayMarket closed ·
Prev close $7.80
Who owns ALMU
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 34.6% of ALMU’s shares.
- Perry (George Herbert)5.5%
- BlackRock Institutional Trust Company, N.A.4.9%
- Tompkins (Mark N)4.8%
- D. E. Shaw & Co., L.P.4.4%
- Next 6 largest institutions15.1%
- All other shareholders65.4%
| Holder | Shares | % of shares |
|---|---|---|
| Perry (George Herbert) | 1.00M | 5.46% |
| BlackRock Institutional Trust Company, N.A. | 894.42K | 4.88% |
| Tompkins (Mark N) | 885.00K | 4.83% |
| D. E. Shaw & Co., L.P. | 797.98K | 4.36% |
| Mccarthy (Lee Ph.D.) | 743.42K | 4.06% |
| Vanguard Capital Management, LLC | 574.42K | 3.14% |
| Millennium Management LLC | 529.00K | 2.89% |
| Denbaars (Steven P) | 345.21K | 1.89% |
| Geode Capital Management, L.L.C. | 318.02K | 1.74% |
| State Street Investment Management (US) | 254.17K | 1.39% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Vanguard Total Stock Market Index Fund | 428.38K | 2.34% |
| iShares Russell 2000 ETF | 341.07K | 1.86% |
| Fidelity Small Cap Index Fund | 140.57K | 0.77% |
| Vanguard Extended Market Index Fund | 132.10K | 0.72% |
| iShares Russell 2000 Growth ETF | 122.42K | 0.67% |
Insider trades
Form 4 filings by officers, directors and large holders
Over the last 6 months, insiders sold $5.34M (22 trades) of ALMU on the open market, with no buys.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Klamkin Jonathan | Sale | 100.00K | $1.05M |
| Stewart Christopher P. | Tax withholding | 5.70K | $70.41K |
| Klamkin Jonathan | Award | 75.14K | — |
| Klamkin Jonathan | Tax withholding | 4.55K | $61.88K |
| Klamkin Jonathan | Award | 12.68K | — |
| Klamkin Jonathan | Award | 31.77K | — |
| Klamkin Jonathan | Sale | 100.00K | $1.34M |
| Stewart Christopher P. | Award | 37.57K | — |
| Stewart Christopher P. | Tax withholding | 1.45K | $19.73K |
| Stewart Christopher P. | Award | 4.04K | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 3.72M
- Days to cover
- 4.59
- % of shares outstanding
- 20.33%
- Average daily volume
- 811.38K
- Change since last report
- +2.8%
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