Silicon Laboratories Inc. (SLAB) Ownership
SLAB ownership summary
as of October 18, 2026- Institutions
- 94.0% of shares outstanding
- Insiders
- 1.61% of shares outstanding
- Shares outstanding
- 33.4M
- Float
- 32.8M shares available to trade
- Short interest
- 12.68% 2.6M shares short
- Days to cover
- 8.42 short interest down 1.8% vs prior month
- Institutions 93.95%
- Insiders 1.61%
- Other investors 4.44%
SLAB top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 15.57% | 5.2M | $1.15B | +201,176 (+4.0%) | June 30, 2026 |
| 2 | Vanguard Portfolio Management, LLC | 6.26% | 2.1M | $461.3M | −51,426 (−2.4%) | June 30, 2026 |
| 3 | State Street Corp | 4.87% | 1.6M | $358.8M | +156,660 (+10.7%) | June 30, 2026 |
| 4 | Balyasny Asset Management LLC | 4.67% | 1.6M | $344.7M | +325,783 (+26.4%) | June 30, 2026 |
| 5 | Vanguard Capital Management, LLC | 4.45% | 1.5M | $328.3M | +12,353 (+0.8%) | June 30, 2026 |
| 6 | Millennium Management LLC | 3.01% | 1.0M | $221.8M | +546,540 (+119.5%) | June 30, 2026 |
| 7 | HBK INVESTMENTS L P | 3.00% | 1.0M | $221.0M | +1.0M (0.0%) | June 30, 2026 |
| 8 | Geode Capital Management, LLC | 2.71% | 905K | $200.1M | +53,976 (+6.3%) | June 30, 2026 |
| 9 | UBS Group AG | 2.31% | 770K | $170.1M | +388,624 (+102.0%) | June 30, 2026 |
| 10 | The Goldman Sachs Group Inc | 2.24% | 747K | $165.1M | +226,832 (+43.6%) | June 30, 2026 |
| 11 | Pentwater Capital Management LP | 2.22% | 742K | $163.9M | +241,725 (+48.3%) | June 30, 2026 |
| 12 | Cnh Partners, LLC | 1.93% | 643K | $142.1M | +334,224 (+108.2%) | June 30, 2026 |
| 13 | Qube Research & Technologies | 1.62% | 541K | $119.5M | +303,892 (+128.3%) | June 30, 2026 |
| 14 | Morgan Stanley - Brokerage Accounts | 1.62% | 540K | $119.3M | −50,871 (−8.6%) | June 30, 2026 |
| 15 | Dimensional Fund Advisors, Inc. | 1.51% | 504K | $111.4M | −5,397 (−1.1%) | June 30, 2026 |
| 16 | Amvescap Plc. | 1.43% | 477K | $105.5M | +75,796 (+18.9%) | June 30, 2026 |
| 17 | Capital Research Global Investors | 1.41% | 472K | $104.2M | −340,391 (−41.9%) | June 30, 2026 |
| 18 | Assenagon Asset Management SA | 1.34% | 448K | $99.0M | +208,632 (+87.2%) | June 30, 2026 |
| 19 | NORGES BANK | 1.30% | 433K | $95.7M | +4,446 (+1.0%) | June 30, 2026 |
| 20 | Pathstone Holdings LLC | 1.28% | 427K | $94.4M | +1,967 (+0.5%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 16 holders added 4.1M shares and 4 cut 448K.
SLAB top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | iShares Core S&P Mid-Cap ETF | 3.56% | 1.2M | $262.7M | −420 (−0.0%) | September 30, 2026 |
| 2 | Vanguard MStar Total Stk Mkt Idx Invest | 3.13% | 1.0M | $230.9M | −4,292 (−0.4%) | August 31, 2026 |
| 3 | iShares Russell 2000 ETF | 2.57% | 859K | $189.9M | −9,920 (−1.1%) | September 30, 2026 |
| 4 | Vanguard Small Cap Index | 2.25% | 751K | $166.1M | −7,429 (−1.0%) | September 30, 2026 |
| 5 | Vanguard Information Technology ETF | 1.61% | 538K | $118.9M | +1,237 (+0.2%) | September 30, 2026 |
| 6 | Vanguard MStar Small Cap Growth Indx Inv | 1.25% | 418K | $92.4M | −17,059 (−3.9%) | September 30, 2026 |
| 7 | Fidelity Small Cap Index | 1.08% | 362K | $80.0M | +2,606 (+0.7%) | July 31, 2026 |
| 8 | State Street® SPDR® S&P® Smcndctr ETF | 0.98% | 328K | $72.5M | +1,392 (+0.4%) | September 30, 2026 |
| 9 | iShares Russell 2000 Growth ETF | 0.93% | 310K | $68.6M | −393 (−0.1%) | September 30, 2026 |
| 10 | BlackRock Event Driven Equity Instl | 0.84% | 280K | $61.9M | — | August 31, 2026 |
| 11 | State Street® SPDR® S&P MIDCAP 400® ETF | 0.74% | 247K | $54.5M | +5,514 (+2.3%) | September 30, 2026 |
| 12 | Arbitrage R | 0.61% | 205K | $45.2M | +89,000 (+76.9%) | August 31, 2026 |
| 13 | Vanguard Russell 2000 ETF | 0.58% | 193K | $42.6M | +2,152 (+1.1%) | September 30, 2026 |
| 14 | State Street SPDR Port S&P 400 Md CpETF | 0.53% | 176K | $39.0M | −248 (−0.1%) | September 30, 2026 |
| 15 | Schwab US Small-Cap ETF™ | 0.53% | 176K | $38.8M | +117 (+0.1%) | September 30, 2026 |
| 16 | Fidelity Extended Market Index | 0.48% | 160K | $35.3M | −2,189 (−1.4%) | August 31, 2026 |
| 17 | iShares S&P Mid-Cap 400 Growth ETF | 0.31% | 102K | $22.5M | −108 (−0.1%) | September 30, 2026 |
| 18 | iShares Automation&Robotics ETF USD Acc | 0.30% | 100K | $22.1M | — | September 30, 2026 |
| 19 | DFA US Small Cap I | 0.27% | 90K | $19.9M | — | August 31, 2026 |
| 20 | Schwab Small Cap Index | 0.24% | 81K | $17.9M | +357 (+0.4%) | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
SLAB insider transactions
latest 10| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-01-13 | Nina Richardson | Sell | $149.00 | 1,355 | $201,895 |
| 2025-12-05 | Brandon Tolany | Sell | $141.49 | 1,954 | $276,471 |
| 2025-12-04 | Brandon Tolany | Sell | $140.17 | 4,246 | $595,162 |
| 2025-08-29 | Brandon Tolany | Sell | $133.57 | 1,800 | $240,426 |
| 2025-08-22 | Brandon Tolany | Sell | $145.23 | 8,000 | $1.2M |
| 2025-08-19 | Brandon Tolany | Sell | $132.69 | 2,270 | $301,206 |
| 2025-05-16 | Robert J Conrad | Sell | $131.20 | 4,029 | $528,605 |
| 2025-05-16 | Robert Matthew Johnson | Sell | $131.20 | 5,879 | $771,325 |
| 2025-05-13 | Robert J Conrad | Sell | $130.00 | 1,172 | $152,360 |
| 2025-05-06 | Christy Wyatt | Sell | $104.45 | 546 | $57,030 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
SLAB shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns SLAB
Institutional investors own 94.0% of Silicon Laboratories's shares and insiders 1.61%. The largest holder is BlackRock Inc with 15.57% of the shares (5.2M), as of June 30, 2026. Among the top 20 institutions, 16 added shares and 4 reduced their stake in the latest filings. Short interest is 12.68% of the float, or 8.42 days of average trading volume. The share count fell 23.7% since 2014.
Related: SLAB analyst forecast, SLAB key metrics. See the SLAB stock overview for the latest quote and news.
SLAB ownership FAQ
Who owns the most Silicon Laboratories stock?
The largest shareholders of Silicon Laboratories are BlackRock Inc (15.57%), Vanguard Portfolio Management, LLC (6.26%), State Street Corp (4.87%), Balyasny Asset Management LLC (4.67%), Vanguard Capital Management, LLC (4.45%).
What percentage of Silicon Laboratories is owned by institutions?
Institutions hold 94.0% of Silicon Laboratories's shares outstanding; insiders hold 1.61%.
Which funds own Silicon Laboratories?
The largest fund holders of Silicon Laboratories are iShares Core S&P Mid-Cap ETF (3.56%), Vanguard MStar Total Stk Mkt Idx Invest (3.13%), iShares Russell 2000 ETF (2.57%), Vanguard Small Cap Index (2.25%), Vanguard Information Technology ETF (1.61%).
What is Silicon Laboratories's short interest?
2.6M shares of Silicon Laboratories were sold short, 12.68% of the float; at the average daily volume it would take 8.42 days to cover.
Are insiders buying or selling Silicon Laboratories?
Of the latest 10 reported insider transactions in Silicon Laboratories (since May 6, 2025), 0 were purchases and 10 were sales.
How many shares of Silicon Laboratories are outstanding?
Silicon Laboratories has 33.4M shares outstanding, of which 32.8M are in the public float.