Silicon Labs
Builds low-power wireless chips, modules, and software for industrial and consumer IoT devices.
$218.54
After-hours close−0.10 (−0.05%)
At close$218.64(−0.14%)
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Breakdown13F · Form 4
Institutions 119.93%Insiders 2.19%
A 13F quarter can total more than the shares outstanding — sub-advisers file the same block twice, and a filer's own share count can be a quarter stale. No split is drawn from it.
Shares outstanding 32.98M · Float 32.36M · 98.1% free float
Institutions13F, as of Jun 30, 2026
369 holders · 39.56M shares · 36 new positions · 163 increased · 129 reduced · 59 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 5.20M | 15.75% | +201.2K | Aug 7, 2026 |
| Vanguard Portfolio Management LLC | 2.09M | 6.33% | −51.4K | Aug 13, 2026 |
| State Street Corp | 1.62M | 4.92% | +156.7K | Aug 7, 2026 |
| Balyasny Asset Management L.P. | 1.56M | 4.73% | +325.8K | Aug 14, 2026 |
| Vanguard Capital Management LLC | 1.49M | 4.50% | +12.4K | Aug 13, 2026 |
| Millennium Management LLC | 1.00M | 3.04% | +546.5K | Aug 14, 2026 |
| HBK Investments L P | 1.00M | 3.03% | +1.00Mnew | Aug 14, 2026 |
| Geode Capital Management, LLC | 905.4K | 2.75% | +54.0K | Aug 12, 2026 |
Beneficial owners13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 12.50% | 4.05M | 13G | Apr 28, 2025 ↗ |
| Vanguard Portfolio Management | 6.57% | 2.17M | 13G | Apr 29, 2026 ↗ |
| Vanguard Capital Management | 5.23% | 1.73M | 13G | Apr 30, 2026 ↗ |
InsidersForm 4
| Insider | Role | Shares | % outstanding | Filed |
|---|---|---|---|---|
| Navdeep S. Sooch | director | 401.5K | 1.22% | Apr 24, 2026 |
| Robert Matthew Johnson | director, officer: President & CEO | 80.5K | 0.24% | May 19, 2026 |
| Brandon Tolany | officer: Sr VP WW Sales & Marketing | 66.9K | 0.20% | May 19, 2026 |
| Dean Warren Butler | officer: Sr VP and CFO | 43.8K | 0.13% | May 19, 2026 |
| William G. Bock | director | 33.9K | 0.10% | Apr 24, 2026 |
| Robert J. Conrad | officer: Sr VP and General Manager | 23.8K | 0.07% | Aug 17, 2026 |
| Mark D. Mauldin | officer: Chief Accounting Officer | 21.1K | 0.06% | May 19, 2026 |
| Gregg A. Lowe | director | 15.0K | 0.05% | Apr 24, 2026 |
| Sumit Sadana | director | 10.0K | 0.03% | Apr 24, 2026 |
| Nina Richardson | director | 9.5K | 0.03% | Apr 24, 2026 |
30 people have not refiled in the last 18 months (5.23M shares), so they are not in the figure above
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Aug 14, 2026 | Robert J. Conradofficer: Sr VP and General Manager | Sale | 6,581 | $218.21 | 23,815 |
| May 18, 2026 | Robert Matthew Johnsondirector, officer: President & CEO | Sale | 8,024 | $216.83 | 80,519 |
| Jan 13, 2026 | Nina Richardsondirector | Sale | 1,355 | $149.00 | 8,543 |
| Dec 5, 2025 | Brandon Tolanyofficer: Sr VP WW Sales & Marketing | Sale | 1,954 | $141.49 | 62,381 |
| Dec 4, 2025 | Brandon Tolanyofficer: Sr VP WW Sales & Marketing | Sale | 4,246 | $140.17 | 62,381 |
| Aug 29, 2025 | Brandon Tolanyofficer: Sr VP WW Sales & Marketing | Sale | 1,800 | $133.57 | 62,328 |
CongressHouse and Senate disclosures
Not reported.