Silicon Laboratories Inc.
SLAB- Exchange
- Nasdaq
- Industry
- Semiconductors & Related Devices
- SEC CIK
- 0001038074
In the last 90 days, Silicon Laboratories Inc. insiders filed 0 open-market purchases and 1 sale; 354 institutions reported holding it in 13F filings for Q2 2026, worth $6.74B in total; no superinvestor holds it.
Holders of 5% or more of SLAB
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Silicon Laboratories Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 12.50%4.05M shares | – | Oct 23, 20243 filings | Apr 28, 2025 | SEC |
| Vanguard Portfolio Management LLC | 13G | 6.57%2.17M shares | New | Apr 29, 20261 filing | Apr 29, 2026 | SEC |
| Vanguard Capital Management LLC | 13G | 5.23%1.73M shares | New | Apr 30, 20261 filing | Apr 30, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
31 Schedule 13D and 13G filings on Silicon Laboratories Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Apr 30, 20261:12 PM ET | Vanguard Capital Management LLC | 13G | 5.23%1.73M shares | New | Mar 31, 2026 | SEC |
| Apr 29, 20263:08 PM ET | Vanguard Portfolio Management LLC | 13G | 6.57%2.17M shares | New | Mar 31, 2026 | SEC |
| Mar 27, 20261:02 PM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | –Below 5% | Mar 13, 2026 | SEC |
| Mar 6, 202610:05 AM ET | FMR LLCand 1 other | 13G/A | 2.10%697.5K shares | –Below 5% | Feb 27, 2026 | SEC |
| Aug 13, 202511:39 AM ET | Capital Research Global Investors | 13G/A | 3.70%1.21M shares | −2.90 ppfrom 6.60%Below 5% | Jun 30, 2025 | SEC |
| Apr 28, 20258:22 AM ET | BlackRock, Inc. | 13G/A | 12.50%4.05M shares | – | Mar 31, 2025 | SEC |
| Feb 13, 20252:15 PM ET | Capital Research Global Investors | 13G/A | 6.60%2.13M shares | – | Dec 31, 2024 | SEC |
| Nov 12, 2024 | Capital Research Global Investors | 13GOld format | – | New | – | SEC |
| Nov 12, 2024 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Nov 8, 2024 | BlackRock, Inc. | 13G/AOld format | – | – | – | SEC |
| Nov 4, 2024 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Oct 23, 2024 | BlackRock, Inc. | 13G/AOld format | – | – | – | SEC |
| Feb 13, 2024 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 9, 2024 | FMR LLC | 13G/AOld format | – | – | – | SEC |
| Jan 23, 202411:52 AM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Mar 10, 2023 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 9, 2023 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 9, 2023 | FMR LLC | 13G/AOld format | – | – | – | SEC |
| Jan 27, 20234:30 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Jan 23, 20233:52 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Mar 11, 20222:13 PM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Mar 9, 2022 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2022 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 9, 2022 | FMR LLC | 13G/AOld format | – | – | – | SEC |
| Feb 8, 20225:05 PM ET | BlackRock Inc. | 13GOld format | – | – | – | SEC |
| Feb 4, 2022 | Wellington Management Group LLP | 13G/AOld format | – | – | – | SEC |
| Dec 9, 2021 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 10, 2021 | Vanguard Group Inc | 13G/AOld format | – | – | – | SEC |
| Feb 8, 2021 | FMR LLC | 13G/AOld format | – | – | – | SEC |
| Feb 5, 20217:51 AM ET | BlackRock Inc. | 13G/AOld format | – | – | – | SEC |
| Feb 4, 2021 | Wellington Management Group LLP | 13GOld format | – | New | – | SEC |
Form 144: proposed insider sales
23 notices from officers, directors and other affiliates planning to sell Silicon Laboratories Inc. shares, newest first.
| Filed (ET) | Seller | Shares to sell | Market value | Planned sale | Broker | Filing |
|---|---|---|---|---|---|---|
| Aug 14, 202611:53 AM ET | Conrad Robert JOfficer | 6.58K | $1.44M | Aug 14, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| May 18, 202610:25 AM ET | Johnson Robert MatthewOfficer · Director | 8.02K | $1.74M | May 18, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Jan 13, 202611:32 AM ET | Richardson NinaDirector | 1.35K | $201.9K | Jan 13, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Dec 5, 20254:13 PM ET | Tolany BrandonOfficer | 1.95K | $276.5K | Dec 5, 202510b5-1 | Fidelity Brokerage Services LLC | SEC |
| Dec 4, 20254:11 PM ET | Tolany BrandonOfficer | 4.25K | $595.2K | Dec 4, 202510b5-1 | Fidelity Brokerage Services LLC | SEC |
| Aug 29, 20253:22 PM ET | Tolany BrandonOfficer | 1.80K | $240.4K | Aug 29, 2025 | Fidelity Brokerage Services LLC | SEC |
| Aug 22, 20254:46 PM ET | Tolany BrandonOfficer | 8.00K | $1.16M | Aug 22, 2025 | Fidelity Brokerage Services LLC | SEC |
| Aug 19, 20251:52 PM ET | Tolany BrandonOfficer | 2.27K | $301.2K | Aug 19, 2025 | Fidelity Brokerage Services LLC | SEC |
| May 16, 202510:31 AM ET | Johnson Robert MatthewOfficer · Director | 5.88K | $771.3K | May 16, 202510b5-1 | Fidelity Brokerage Services LLC | SEC |
| May 16, 202510:30 AM ET | Conrad Robert JOfficer | 4.03K | $528.6K | May 16, 202510b5-1 | Fidelity Brokerage Services LLC | SEC |
| May 13, 202510:55 AM ET | Conrad Robert JOfficer | 1.17K | $152.4K | May 13, 202510b5-1 | Fidelity Brokerage Services LLC | SEC |
| May 6, 20259:58 AM ET | Wyatt ChristyDirector | 546 | $57.0K | May 6, 202510b5-1 | Fidelity Brokerage Services LLC | SEC |
| Feb 18, 20254:46 PM ET | Bock William GOfficer | 1.00K | $149.3K | Feb 16, 202510b5-1 | Merrill Lynch | SEC |
| Feb 5, 20254:42 PM ET | Sooch Navdeep SDirector | 5.00K | $745.0K | Feb 5, 202510b5-1 | THE CHARLES SCHWAB CORPORATION | SEC |
| Jan 22, 20252:13 PM ET | Bock William GOfficer | 2.00K | $281.4K | Jan 22, 202510b5-1 | Merrill Lynch | SEC |
| Sep 3, 202410:38 AM ET | Tolany BrandonOfficer | 845 | $97.2K | Sep 3, 202410b5-1 | Fidelity Brokerage Services LLC | SEC |
| Jun 3, 20242:23 PM ET | Johnson Robert MatthewOfficer · Director | 7.23K | $915.1K | Jun 3, 202410b5-1 | Fidelity Brokerage Services LLC | SEC |
| Mar 7, 20242:08 PM ET | Hollister John CFormer officer | 1.00K | $150.0K | Mar 7, 202410b5-1 | Fidelity Brokerage Services LLC | SEC |
| Dec 4, 202310:14 AM ET | Johnson Robert MatthewOfficer · Director | 3.68K | $398.1K | Dec 4, 202310b5-1 | Fidelity Brokerage Services LLC | SEC |
| Oct 2, 202311:10 AM ET | Johnson Robert MatthewOfficer · Director | 3.53K | $407.2K | Oct 2, 202310b5-1 | Fidelity Brokerage Services LLC | SEC |
| Aug 2, 202310:30 AM ET | Johnson Robert MatthewOfficer · Director | 3.50K | $503.9K | Aug 2, 202310b5-1 | Fidelity Brokerage Services LLC | SEC |
| Apr 21, 202310:29 AM ET | Richardson NinaDirector | 500 | $83.2K | Apr 21, 202310b5-1 | Fidelity Brokerage Services LLC | SEC |
| Apr 21, 202310:14 AM ET | Wyatt ChristyDirector | 674 | $112.1K | Apr 21, 202310b5-1 | Fidelity Brokerage Services LLC | SEC |