Aeluma
Develops compound-semiconductor devices for sensing, communication, and computing.
$13.31
After-hours close+0.15 (+1.18%)
At close$13.16(−5.50%)
Something off on this page? Send us feedback.
Breakdown13F · Form 4
Institutions 26.85%4.91M sharesInsiders 9.50%1.74M sharesOther 63.65%11.65M shares
Shares outstanding 18.31M · Float 13.65M · 74.6% free float
Institutions13F, as of Mar 31, 2026
98 holders · 4.91M shares · 26 new positions · 53 increased · 21 reduced · 10 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 859.7K | 4.70% | +35.5K | May 13, 2026 |
| Vanguard Capital Management LLC | 588.8K | 3.22% | +588.8Knew | May 15, 2026 |
| Millennium Management LLC | 398.3K | 2.18% | +251.1K | May 15, 2026 |
| Geode Capital Management, LLC | 295.3K | 1.61% | +9.6K | May 15, 2026 |
| Raymond James Financial Inc | 267.6K | 1.46% | +247.8K | May 14, 2026 |
| State Street Corp | 247.3K | 1.35% | +33.9K | May 15, 2026 |
| Apis Capital Advisors, LLC | 206.0K | 1.13% | +4.0K | May 15, 2026 |
| Awm Investment Company, Inc. | 200.0K | 1.09% | 0 | May 15, 2026 |
Beneficial owners13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| Perry George Herbert | 5.60% | 1.00M | 13G | Mar 31, 2026 ↗ |
| BlackRock, Inc. | 5.30% | 963.8K | 13G | Jul 27, 2026 ↗ |
InsidersForm 4
| Insider | Role | Shares | % outstanding | Filed |
|---|---|---|---|---|
| Tompkins Mark N. | other: Former 10% Owner | 1.79M | 9.78% | Feb 5, 2026 |
| Jonathan Klamkin | director, officer: Chief Executive Officer | 1.33M | 7.26% | Aug 5, 2026 |
| McCarthy Lee | 10 percent owner | 977.4K | 5.34% | Jan 2, 2026 |
| Steven Denbaars | director | 345.2K | 1.89% | Aug 28, 2026 |
| Craig H. Ensley | director | 27.3K | 0.15% | Mar 2, 2026 |
| John Kenneth Paglia | director | 23.4K | 0.13% | Mar 2, 2026 |
| Michael Byron | director | 13.3K | 0.07% | Mar 2, 2026 |
3 ten-percent owners hold 2.97M shares by Form 4, outside the officers-and-directors figure above
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Aug 27, 2026 | Steven Denbaarsdirector | Sale | 12,500 | $13.82 | 345,209 |
| Aug 26, 2026 | Steven Denbaarsdirector | Sale | 12,500 | $13.84 | 357,709 |
| Aug 3, 2026 | Jonathan Klamkindirector, officer: Chief Executive Officer | Sale · 2 lots | 20,000 | $16.73 | 2,403 |
| Jul 1, 2026 | Jonathan Klamkindirector, officer: Chief Executive Officer | Sale · 2 lots | 20,000 | $21.08 | 2,403 |
| May 20, 2026 | Steven Denbaarsdirector | Sale · 2 lots | 12,500 | $20.46 | 370,209 |
| May 19, 2026 | Steven Denbaarsdirector | Sale · 2 lots | 12,500 | $19.99 | 382,709 |
| May 1, 2026 | Jonathan Klamkindirector, officer: Chief Executive Officer | Sale · 3 lots | 20,000 | $24.96 | 2,403 |
| Apr 1, 2026 | Jonathan Klamkindirector, officer: Chief Executive Officer | Sale | 20,000 | $13.10 | 1,409,398 |
| Mar 4, 2026 | Jonathan Klamkindirector, 10 percent owner, officer: Chief Executive Officer | Sale · 2 lots | 50,000 | $18.05 | 1,429,398 |
| Feb 26, 2026 | Steven Denbaarsdirector | Sale | 12,500 | $15.85 | 385,088 |
CongressHouse and Senate disclosures
Not reported.