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 June 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 |
|---|---|---|
| BlackRock, Inc. | 5.2M | 16.7% |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 2.1M | 6.7% |
| STATE STREET CORP | 1.6M | 5.2% |
| Balyasny Asset Management L.P. | 1.6M | 5.0% |
| VANGUARD CAPITAL MANAGEMENT LLC | 1.5M | 4.8% |
| MILLENNIUM MANAGEMENT LLC | 1.0M | 3.2% |
| HBK INVESTMENTS L P | 1.0M | 3.2% |
| GEODE CAPITAL MANAGEMENT, LLC | 905.4K | 2.9% |
| UBS Group AG | 769.8K | 2.5% |
| GOLDMAN SACHS GROUP INC | 746.8K | 2.4% |
| Pentwater Capital Management LP | 741.7K | 2.4% |
| AQR Arbitrage LLC | 643.0K | 2.1% |
| Qube Research & Technologies Ltd | 540.7K | 1.7% |
| MORGAN STANLEY | 540.0K | 1.7% |
| DIMENSIONAL FUND ADVISORS LP | 504.1K | 1.6% |
| Invesco Ltd. | 477.4K | 1.5% |
| Capital Research Global Investors | 471.5K | 1.5% |
| Assenagon Asset Management S.A. | 448.0K | 1.4% |
| NORGES BANK | 433.0K | 1.4% |
| Pathstone Holdings, LLC | 427.0K | 1.4% |
| NORTHERN TRUST CORP | 411.4K | 1.3% |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 383.9K | 1.2% |
| LMR Partners LLP | 379.1K | 1.2% |
| ALLIANCEBERNSTEIN L.P. | 371.6K | 1.2% |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 343.2K | 1.1% |
Largest changes
| Manager | Action | Previous | Current | Change |
|---|---|---|---|---|
| HBK INVESTMENTS L P | New | 0 | 1.0M | +1.0M |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | Reduced | 661.4K | 16.2K | -645.2K |
| MILLENNIUM MANAGEMENT LLC | Increased | 457.2K | 1.0M | +546.5K |
| UBS Group AG | Increased | 381.2K | 769.8K | +388.6K |
| FEDERATED HERMES, INC. | Reduced | 383.1K | 2.5K | -380.5K |
| AMERICAN CENTURY COMPANIES INC | Reduced | 636.3K | 280.5K | -355.8K |
| Thrivent Financial for Lutherans | Reduced | 362.1K | 7.3K | -354.8K |
| Capital Research Global Investors | Reduced | 811.9K | 471.5K | -340.4K |
| AQR Arbitrage LLC | Increased | 308.8K | 643.0K | +334.2K |
| Balyasny Asset Management L.P. | Increased | 1.2M | 1.6M | +325.8K |
| Qube Research & Technologies Ltd | Increased | 236.8K | 540.7K | +303.9K |
| MACKENZIE FINANCIAL CORP | Sold Out | 249.6K | 0 | -249.6K |
| Clearbridge Investments, LLC | Sold Out | 245.1K | 0 | -245.1K |
| CITADEL ADVISORS LLC | Reduced | 341.5K | 96.4K | -245.1K |
| Pentwater Capital Management LP | Increased | 500.0K | 741.7K | +241.7K |
| AQR CAPITAL MANAGEMENT LLC | Reduced | 274.5K | 42.9K | -231.6K |
| GOLDMAN SACHS GROUP INC | Increased | 520.0K | 746.8K | +226.8K |
| LOOMIS SAYLES & CO L P | Sold Out | 223.3K | 0 | -223.3K |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | Reduced | 566.3K | 343.2K | -223.2K |
| Assenagon Asset Management S.A. | Increased | 239.3K | 448.0K | +208.6K |
| Stephens Investment Management Group LLC | Sold Out | 202.0K | 0 | -202.0K |
| BlackRock, Inc. | Increased | 5.0M | 5.2M | +201.2K |
| JPMORGAN CHASE & CO | Increased | 118.0K | 305.5K | +187.5K |
| SONA ASSET MANAGEMENT (US) LLC | Reduced | 175.1K | 10.1K | -165.0K |
| NEUBERGER BERMAN GROUP LLC | Increased | 119.4K | 282.1K | +162.7K |
| STATE STREET CORP | Increased | 1.5M | 1.6M | +156.7K |
| Kryger Capital LLC | Increased | 179.4K | 329.1K | +149.7K |
| LMR Partners LLP | Increased | 238.2K | 379.1K | +140.9K |
| ALLIANCEBERNSTEIN L.P. | Increased | 245.7K | 371.6K | +125.8K |
| MARSHALL WACE, LLP | Increased | 29.0K | 150.7K | +121.7K |
| Sand Grove Capital Management LLP | Sold Out | 112.4K | 0 | -112.4K |
| RENAISSANCE TECHNOLOGIES LLC | Reduced | 155.1K | 50.5K | -104.6K |
| HSBC HOLDINGS PLC | Increased | 214.1K | 307.5K | +93.4K |
| WATER ISLAND CAPITAL LLC | Increased | 58.4K | 148.1K | +89.7K |
| Sagefield Capital LP | Increased | 40.4K | 118.8K | +78.3K |
| ALPINE ASSOCIATES MANAGEMENT INC. | Increased | 222.5K | 298.7K | +76.3K |
| Grantham, Mayo, Van Otterloo & Co. LLC | Increased | 58.7K | 134.5K | +75.8K |
| Invesco Ltd. | Increased | 401.6K | 477.4K | +75.8K |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | Reduced | 172.2K | 97.3K | -74.9K |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | Reduced | 71.8K | 5.9K | -65.9K |
| Woodline Partners LP | Sold Out | 65.8K | 0 | -65.8K |
| Slotnik Capital, LLC | Sold Out | 65.5K | 0 | -65.5K |
| BNP PARIBAS FINANCIAL MARKETS | Increased | 13.2K | 73.5K | +60.3K |
| Allianz Asset Management GmbH | Reduced | 154.0K | 96.5K | -57.5K |
| FRANKLIN RESOURCES INC | Reduced | 76.3K | 20.4K | -55.9K |
| GEODE CAPITAL MANAGEMENT, LLC | Increased | 851.4K | 905.4K | +54.0K |
| Fort Baker Capital Management LP | Sold Out | 54.0K | 0 | -54.0K |
| VANGUARD PORTFOLIO MANAGEMENT LLC | Reduced | 2.1M | 2.1M | -51.4K |
| DAVIDSON INVESTMENT ADVISORS | Reduced | 52.5K | 1.3K | -51.2K |
| MORGAN STANLEY | Reduced | 590.9K | 540.0K | -50.9K |
| WELLINGTON MANAGEMENT GROUP LLP | Sold Out | 49.7K | 0 | -49.7K |
| STATE OF WISCONSIN INVESTMENT BOARD | Increased | 3.2K | 50.9K | +47.7K |
| Nearwater Capital Markets, Ltd | New | 0 | 47.5K | +47.5K |
| Verition Fund Management LLC | Increased | 139.5K | 186.8K | +47.3K |
| CANADA PENSION PLAN INVESTMENT BOARD | Sold Out | 44.1K | 0 | -44.1K |
| Connor, Clark & Lunn Investment Management Ltd. | Reduced | 45.3K | 5.0K | -40.3K |
| Man Group plc | Increased | 106.1K | 143.3K | +37.2K |
| BARCLAYS PLC | Reduced | 60.9K | 24.2K | -36.7K |
| FIRST TRUST ADVISORS LP | Reduced | 37.8K | 2.6K | -35.2K |
| METEORA CAPITAL, LLC | Reduced | 36.8K | 2.0K | -34.8K |
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.