SLAB Silicon Laboratories Inc.
Silicon Laboratories Inc. (SLAB) Institutional Ownership
What the institutions did with SLAB last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended September 30, 2026.
Every manager below opens. Subscribers can see any firm's whole portfolio — every position, its weight, and what they bought, trimmed and exited last quarter.
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Each block is one manager, sized by shares held and colored by how much they moved the position last quarter. Green added, red cut, grey stood pat.
Largest holders
| Manager | Shares | % of reported |
|---|---|---|
| DIMENSIONAL FUND ADVISORS LP | 498.3K | 28.8% |
| Assenagon Asset Management S.A. | 224.0K | 12.9% |
| Bank of New York Mellon Corp | 204.1K | 11.8% |
| Leeward Investments, LLC - MA | 99.9K | 5.8% |
| DAYMARK WEALTH PARTNERS, LLC | 93.1K | 5.4% |
| PRINCIPAL FINANCIAL GROUP INC | 80.0K | 4.6% |
| BARCLAYS PLC | 55.7K | 3.2% |
| Retirement Systems of Alabama | 34.4K | 2.0% |
| New York Life Investment Management LLC | 25.5K | 1.5% |
| Creative Planning | 23.1K | 1.3% |
| CITIGROUP INC | 22.7K | 1.3% |
| ABC ARBITRAGE SA | 19.6K | 1.1% |
| NEW YORK STATE TEACHERS RETIREMENT SYSTEM | 18.1K | 1.0% |
| WOLVERINE ASSET MANAGEMENT LLC | 15.1K | 0.9% |
| AMALGAMATED BANK | 14.3K | 0.8% |
| MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC | 11.8K | 0.7% |
| Y-Intercept (Hong Kong) Ltd | 11.4K | 0.7% |
| Kapitalo Investimentos Ltda | 10.9K | 0.6% |
| ProShare Advisors LLC | 10.8K | 0.6% |
| State of New Jersey Common Pension Fund D | 10.7K | 0.6% |
| Lido Advisors, LLC | 10.3K | 0.6% |
| Louisiana State Employees Retirement System | 9.9K | 0.6% |
| STRS OHIO | 9.5K | 0.5% |
| ARIZONA STATE RETIREMENT SYSTEM | 9.3K | 0.5% |
| Versor Investments LP | 8.6K | 0.5% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| Assenagon Asset Management S.A. | Reduced | 448.0K | 224.0K | -224.0K |
| KORNITZER CAPITAL MANAGEMENT INC /KS | Sold Out | 42.2K | 0 | -42.2K |
| BARCLAYS PLC | Increased | 24.2K | 55.7K | +31.5K |
| Leeward Investments, LLC - MA | Reduced | 120.6K | 99.9K | -20.7K |
| ABC ARBITRAGE SA | New | 0 | 19.6K | +19.6K |
| Y-Intercept (Hong Kong) Ltd | New | 0 | 11.4K | +11.4K |
| Kapitalo Investimentos Ltda | New | 0 | 10.9K | +10.9K |
| COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS | Reduced | 17.9K | 8.0K | -9.9K |
| Retirement Systems of Alabama | Reduced | 44.2K | 34.4K | -9.8K |
| HARBOR CAPITAL ADVISORS, INC. | Reduced | 8.8K | 48 | -8.8K |
| Achmea Investment Management B.V. | New | 0 | 8.4K | +8.4K |
| Markel Group Inc. | New | 0 | 8.3K | +8.3K |
| Redmond Asset Management, LLC | Reduced | 12.1K | 3.8K | -8.3K |
| Van Berkom & Associates Inc. | Sold Out | 6.5K | 0 | -6.5K |
| DIMENSIONAL FUND ADVISORS LP | Reduced | 504.1K | 498.3K | -5.8K |
| New York Life Investment Management LLC | Increased | 20.0K | 25.5K | +5.6K |
| Bank of New York Mellon Corp | Reduced | 209.1K | 204.1K | -5.0K |
| NEW YORK STATE TEACHERS RETIREMENT SYSTEM | Reduced | 22.7K | 18.1K | -4.6K |
| CITIGROUP INC | Reduced | 26.2K | 22.7K | -3.5K |
| PRINCIPAL FINANCIAL GROUP INC | Increased | 77.1K | 80.0K | +2.9K |
| DAYMARK WEALTH PARTNERS, LLC | Increased | 90.5K | 93.1K | +2.6K |
| WOLVERINE ASSET MANAGEMENT LLC | Increased | 13.0K | 15.1K | +2.1K |
| Versor Investments LP | Reduced | 10.5K | 8.6K | -1.9K |
| R Squared Ltd | Sold Out | 1.7K | 0 | -1.7K |
| Asset Management One Co., Ltd. | Sold Out | 1.6K | 0 | -1.6K |
| Caitong International Asset Management Co., Ltd | Reduced | 1.6K | 12 | -1.6K |
| Inspire Investing, LLC | Increased | 3.1K | 4.6K | +1.5K |
| STRS OHIO | Increased | 8.1K | 9.5K | +1.4K |
| SEB Asset Management AB | Reduced | 6.2K | 5.2K | -1.1K |
| ProShare Advisors LLC | Increased | 9.7K | 10.8K | +1.0K |
| Transmarket Holdings LP | New | 0 | 1.0K | +1.0K |
| Sterling Capital Management LLC | Increased | 116 | 1.1K | +979 |
| Olympiad Research LP | Increased | 3.6K | 4.6K | +959 |
| DekaBank Deutsche Girozentrale | New | 0 | 791 | +791 |
| Parallel Advisors, LLC | Increased | 1.4K | 2.1K | +751 |
| Ethic Inc. | Increased | 2.6K | 3.2K | +594 |
| YOUSIF CAPITAL MANAGEMENT, LLC | Reduced | 9.1K | 8.6K | -494 |
| Crossmark Global Holdings, Inc. | Increased | 1.1K | 1.6K | +479 |
| FIFTH THIRD BANCORP | Reduced | 6.7K | 6.2K | -470 |
| Vise Technologies, Inc. | Increased | 1.1K | 1.6K | +422 |
| Bayforest Capital Ltd | Reduced | 334 | 16 | -318 |
| GAMMA Investing LLC | Increased | 951 | 1.2K | +289 |
| AMALGAMATED BANK | Increased | 14.0K | 14.3K | +285 |
| Creative Planning | Reduced | 23.4K | 23.1K | -282 |
| Axxion S.A. | Increased | 1.9K | 2.1K | +233 |
| PROFUND ADVISORS LLC | Reduced | 3.2K | 3.0K | -230 |
| Pictet Asset Management Holding SA | Increased | 5.3K | 5.5K | +230 |
| DAVIDSON INVESTMENT ADVISORS | Reduced | 1.3K | 1.1K | -212 |
| Louisiana State Employees Retirement System | Increased | 9.7K | 9.9K | +200 |
| ARIZONA STATE RETIREMENT SYSTEM | Increased | 9.1K | 9.3K | +192 |
| XPONANCE LLC | Reduced | 4.9K | 4.7K | -184 |
| SUMMIT SECURITIES GROUP LLC | New | 0 | 178 | +178 |
| Lido Advisors, LLC | Increased | 10.2K | 10.3K | +148 |
| WEALTH ENHANCEMENT ADVISORY SERVICES, LLC | Increased | 3.9K | 4.1K | +134 |
| Covestor Ltd | Increased | 62 | 190 | +128 |
| PNC Financial Services Group, Inc. | Increased | 1.3K | 1.5K | +127 |
| HARBOR INVESTMENT ADVISORY, LLC | Sold Out | 127 | 0 | -127 |
| NISA INVESTMENT ADVISORS, LLC | Increased | 3.4K | 3.5K | +106 |
| SECURIAN ASSET MANAGEMENT, INC | Increased | 2.4K | 2.5K | +100 |
| OREGON PUBLIC EMPLOYEES RETIREMENT FUND | Increased | 6.8K | 6.9K | +100 |
13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.