Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in SLAB held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 5.0M | $1.04B | +4.7% | 15.141% | 0.02% |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2.1M | $445.2M | β | 6.485% | 0.02% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 1.5M | $306.7M | β | 4.467% | 0.01% |
| 4 | STATE STREET CORP | 1.5M | $305.4M | -4.9% | 4.448% | 0.01% |
| 5 | BALYASNY ASSET MANAGEMENT LLC | 1.2M | $256.8M | β | 3.741% | 0.88% |
| 6 | GEODE CAPITAL MANAGEMENT, LLC | 851K | $177.2M | +3.2% | 2.581% | 0.01% |
| 7 | Capital Research Global Investors | 812K | $169.0M | 0.0% | 2.462% | 0.03% |
| 8 | NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 661K | $137.7M | -27.8% | 2.006% | 0.24% |
| 9 | AMERICAN CENTURY COMPANIES INC | 636K | $132.5M | -2.4% | 1.929% | 0.07% |
| 10 | MORGAN STANLEY | 591K | $123.0M | +45.1% | 1.792% | 0.01% |
| 11 | ADAGE CAPITAL PARTNERS GP, L.L.C. | 566K | $117.9M | -8.1% | 1.717% | 0.18% |
| 12 | GOLDMAN SACHS GROUP INC | 537K | $111.8M | -9.3% | 1.628% | 0.01% |
| 13 | DIMENSIONAL FUND ADVISORS LP | 510K | $106.1M | -2.3% | 1.545% | 0.02% |
| 14 | Pentwater Capital Management LP | 500K | $104.1M | β | 1.516% | 0.54% |
| 15 | MILLENNIUM MANAGEMENT LLC | 457K | $95.2M | +5252.3% | 1.386% | 0.06% |
| 16 | Pathstone Holdings, LLC | 425K | $88.5M | +0.0% | 1.289% | 0.35% |
| 17 | Invesco Ltd. | 402K | $83.6M | -52.9% | 1.218% | 0.01% |
| 18 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 396K | $82.4M | -3.4% | 1.201% | 0.01% |
| 19 | NORTHERN TRUST CORP | 387K | $80.6M | +2.3% | 1.174% | 0.01% |
| 20 | FEDERATED HERMES, INC. | 383K | $79.7M | -2.3% | 1.161% | 0.13% |
| 21 | UBS Group AG | 381K | $79.3M | +47.9% | 1.156% | 0.01% |
| 22 | CITADEL ADVISORS LLC | 358K | $74.6M | +624.0% | 1.086% | 0.03% |
| 23 | CNH PARTNERS LLC | 309K | $64.3M | β | 0.936% | 1.06% |
| 24 | AQR CAPITAL MANAGEMENT LLC | 274K | $57.1M | -58.0% | 0.832% | 0.03% |
| 25 | MACKENZIE FINANCIAL CORP | 250K | $52.0M | -3.7% | 0.757% | 0.06% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in SLAB β a direct measure of their conviction.
Filings activity in SLAB during Q1 2026, grouped by how each filer changed its position.
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 366 | +14% | 83.72% | +24.95 pp | $6.06B | +42% |
| Q4 2025 | 322 | 1.5% | 58.77% | +0.17 pp | $4.26B | +0.3% |
| Q3 2025 | 327 | 0.6% | 58.60% | 8.78 pp | $4.24B | 13% |
| Q2 2025 | 329 | +2.5% | 67.38% | +17.50 pp | $4.88B | +35% |
| Q1 2025 | 321 | +11% | 49.88% | 4.02 pp | $3.61B | 7.5% |
| Q4 2024 | 290 | 0.7% | 53.90% | +6.13 pp | $3.90B | +13% |
| Q3 2024 | 292 | +0.3% | 47.77% | +0.06 pp | $3.46B | +0.1% |
| Q2 2024 | 291 | β | 47.71% | β | $3.45B | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying SLAB stock.
Based on Q1 2026 13F filings, institutional ownership of Silicon Laboratories Inc. stands at 83.7%, held across 366 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of SLAB, with approximately 4,993,897 shares worth $1.04B as of Q1 2026.
Yes β 2 widely-followed marquee investors appear among the top 25 institutional holders of SLAB, including MILLENNIUM MANAGEMENT LLC, CITADEL ADVISORS LLC.
Our composite Smart Money Score for SLAB is 73 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
112 institutions opened new positions in SLAB during Q1 2026, while 68 fully exited. 200 added to existing positions and 52 trimmed.
SLAB institutional ownership rose by 24.95 percentage points quarter-over-quarter, with a net change of +44 holders.
The top 10 institutions account for 51.0% of all reported 13F value in SLAB, and the top 25 account for 72.1%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Silicon Laboratories Inc. (SLAB) Institutional Ownership