Stocks › SLAB
SILICON LABORATORIES INC.
SLAB·Nasdaq·
United States·USD
United States·USD$221.94
-0.68 (-0.30%)
Close · Oct 7, 2026 · Close Prices from Tiingo.com
SLAB
SILICON LABORATORIES INC. · Nasdaq
Nasdaq 100S&P 500
Filings
Default90D1Y5YALL
SLABS&P 500 (rebased)
Congress BuyCongress SellInsider BuyInsider SellForm 1448-K ResultsLobbying
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Daily closes, adjusted for splits and dividends · Close Prices from Tiingo.comHover a marker, every one is a filing · move across the line for the crosshair
Congressional Trades
Recent trades of SLAB by members of U.S. Congress · 9 on record
Whale Activity
Position changes in SLAB reported for 2026-06-30 by 10 tracked institutional filers
- Increased4
- New0
- Held0
- Decreased4
- Closed0
- No prior filing2
| Filer | Shares | Value | Change |
|---|---|---|---|
| BlackRock, Inc. | 5.2M | $1.14B | increased |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2.1M | $456.2M | decreased |
| VANGUARD CAPITAL MANAGEMENT LLC | 1.5M | $324.7M | increased |
| MILLENNIUM MANAGEMENT LLC | 1.0M | $219.4M | increased |
| HBK INVESTMENTS L P | 1.0M | $218.6M | — |
| TIG Advisors, LLC | 168.2K | $36.8M | — |
| CITADEL ADVISORS LLC | 96.4K | $21.1M | decreased |
| RENAISSANCE TECHNOLOGIES LLC | 50.5K | $11.0M | decreased |
| D. E. Shaw & Co., Inc. | 5,676 | $1.2M | decreased |
| TWO SIGMA INVESTMENTS, LP | 2,501 | $547K | increased |
KeyVex tracks a curated set of large 13F filers plus the largest positions in recent filings, so this is a sample of institutional activity, not the whole market.
Insider Trading
Net shares bought (+) or sold (−) on the open market by SLAB insiders, by quarter · Form 4
Recent Insider Transactions
1,752 transactions on record · newest first
| Insider | Type | Shares | Price | Value | Date | |
|---|---|---|---|---|---|---|
| CONRAD ROBERT JSr VP and General Manager | Sale | −6,581 | $218.21 | $1.4M | Aug 14, 2026 | Form 4 ↗ |
| Johnson Robert MatthewPresident & CEO · Director | Sale | −8,024 | $216.83 | $1.7M | May 18, 2026 | Form 4 ↗ |
| Butler Dean WarrenSr VP and CFO | Tax withholding | −6,291 | $216.59 | $1.4M | May 15, 2026 | Form 4 ↗ |
| CONRAD ROBERT JSr VP and General Manager | Tax withholding | −3,653 | $216.59 | $791K | May 15, 2026 | Form 4 ↗ |
| Johnson Robert MatthewPresident & CEO · Director | Tax withholding | −10.4K | $216.59 | $2.2M | May 15, 2026 | Form 4 ↗ |
| MAULDIN MARK DChief Accounting Officer | Tax withholding | −858 | $216.59 | $186K | May 15, 2026 | Form 4 ↗ |
| Tolany BrandonSr VP WW Sales & Marketing | Tax withholding | −4,160 | $216.59 | $901K | May 15, 2026 | Form 4 ↗ |
| MAULDIN MARK DChief Accounting Officer | Grant / award | +18 | $86.46 | $2K | Apr 30, 2026 | Form 4 ↗ |
| Tolany BrandonSr VP WW Sales & Marketing | Grant / award | +45 | $86.46 | $4K | Apr 30, 2026 | Form 4 ↗ |
| Butler Dean WarrenSr VP and CFO | Grant / award | +152 | $86.46 | $13K | Apr 30, 2026 | Form 4 ↗ |
| Wyatt ChristyDirector | Grant / award | +962 | $0.00 | $0 | Apr 23, 2026 | Form 4 ↗ |
| SOOCH NAVDEEP SDirector | Grant / award | +1,226 | $0.00 | $0 | Apr 23, 2026 | Form 4 ↗ |
| Sadana SumitDirector | Grant / award | +962 | $0.00 | $0 | Apr 23, 2026 | Form 4 ↗ |
| Richardson NinaDirector | Grant / award | +962 | $0.00 | $0 | Apr 23, 2026 | Form 4 ↗ |
| BOCK WILLIAM GDirector | Grant / award | +962 | $0.00 | $0 | Apr 23, 2026 | Form 4 ↗ |
| LOWE GREGG ADirector | Grant / award | +962 | $0.00 | $0 | Apr 23, 2026 | Form 4 ↗ |
| Luther Sherri RDirector | Grant / award | +962 | $0.00 | $0 | Apr 23, 2026 | Form 4 ↗ |
| MAULDIN MARK DChief Accounting Officer | Grant / award | +3,153 | $0.00 | $0 | Feb 15, 2026 | Form 4 ↗ |
| Tolany BrandonSr VP WW Sales & Marketing | Grant / award | +8,669 | $0.00 | $0 | Feb 15, 2026 | Form 4 ↗ |
| CONRAD ROBERT JSr VP and General Manager | Grant / award | +8,669 | $0.00 | $0 | Feb 15, 2026 | Form 4 ↗ |
Fund Holders
Mutual funds and ETFs holding SLAB · SEC Form N-PORT
| Fund | Shares | Value | % of fund | As of |
|---|---|---|---|---|
| iShares Core S&P Mid-Cap ETF iShares Trust | 1.1M | $246.7M | 0.20% | Jun 30, 2026 |
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 1.0M | $228.7M | 0.01% | Jun 30, 2026 |
| iShares Russell 2000 ETF iShares Trust | 851.7K | $186.1M | 0.22% | Jun 30, 2026 |
| VANGUARD SMALL-CAP INDEX FUND VANGUARD INDEX FUNDS | 756.6K | $165.4M | 0.09% | Jun 30, 2026 |
| VANGUARD INFORMATION TECHNOLOGY INDEX FUND VANGUARD WORLD FUND | 645.1K | $140.4M | 0.08% | May 31, 2026 |
| SMALLCAP World Fund Inc | 547.5K | $119.7M | 0.13% | Jun 30, 2026 |
| VANGUARD SMALL-CAP GROWTH INDEX FUND VANGUARD INDEX FUNDS | 436.0K | $95.3M | 0.20% | Jun 30, 2026 |
| Nomura Small Cap Core Fund Delaware Group Equity Funds V | 418.5K | $91.1M | 1.65% | May 29, 2026 |
| Small Cap Growth Fund American Century Mutual Funds, Inc. | 414.9K | $90.3M | 1.78% | Apr 30, 2026 |
| VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | 378.0K | $82.6M | 0.08% | Jun 30, 2026 |
Mutual funds and ETFs whose N-PORT filings list SLAB's shares (CUSIP 826919102), each fund at its latest report since Mar 8, 2026, largest positions first. Bonds, options and short positions are left out.
Activist & Passive Stakes
Schedule 13D / 13G beneficial-ownership filings
No 13D/13G beneficial-ownership filings on record.
Corporate Lobbying
Estimated quarterly lobbying spending reported under the LDA, filings naming SILICON LABORATORIES INC. as client
No lobbying filings found naming SILICON LABORATORIES INC. as the client.
Government Contracts
Federal awards to SILICON LABORATORIES INC. · USAspending
No federal contract awards found for SILICON LABORATORIES INC..
U.S. Patents
Recent USPTO applications naming SILICON LABORATORIES INC.
No USPTO patent applications found for SILICON LABORATORIES INC..
Annual Financials
From SLAB's 10-K filings · XBRL
No annual XBRL figures on record for SLAB. KeyVex's fundamentals cover about 130 large companies so far.
Stock Splits
Every split and reverse split in the price history
No stock splits in SLAB's price history.
About SILICON LABORATORIES INC.
From SEC EDGAR company records
Industry (SIC 3674)Semiconductors & Related Devices
SectorTechnology
HeadquartersAUSTIN, TX
IncorporatedDE
SEC CIK0001038074 ↗
Former namesSILICON LABORATORIES INC