SLAB · Silicon Laboratories Inc. · Holdings
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Institutional Ownership Trend
Superinvestors Holding SLAB
All superinvestors →Holder Concentration
Across 359 13F filersWho Holds SLAB
Last 8 quarters through Sep 30, 2026 (filing window open)Each kind of 13F filer's share of the common shares 13F filers report. Holder type comes from regulatory records, never the filer's name; style, turnover and horizon are measured from each filer's own 13F book. The quarter selector does not change this card.
Jun 30, 2026, the newest closed quarter: 354 filers, like-for-like change +1.3%; actively managed books -1.7%; index-like books +6.2%.
| Holder type | Share | Filers | Change |
|---|---|---|---|
| Registered adviser | 45.8% | 182 | +2.0% |
| Exempt adviser | 3.8% | 8 | +59.3% |
| Adviser | 3.8% | 11 | -53.1% |
| Bank | 11.7% | 19 | +24.5% |
| Insurer | 0.3% | 3 | -3.0% |
| Broker-dealer | 0.0% | 1 | -50.5% |
| Benefit plan | 0.4% | 7 | +64.8% |
| Non-US | 2.7% | 16 | -15.6% |
| Holding company | 22.3% | 8 | +8.0% |
| Unknown | 9.3% | 99 | -5.9% |
| Style | Share | Filers | Change |
|---|---|---|---|
| Index-like | 41.4% | 43 | +6.2% |
| Systematic-like | 11.4% | 23 | +32.9% |
| Concentrated | 9.4% | 63 | +71.5% |
| Diversified active | 37.7% | 225 | -17.1% |
| Not measured | 0.0% | 0 | — |
| Unknown | 0.0% | 0 | — |
| Turnover | Share | Filers | Change |
|---|---|---|---|
| Low turnover | 49.9% | 199 | +2.1% |
| Medium turnover | 18.9% | 74 | -5.3% |
| High turnover | 16.0% | 50 | +23.5% |
| Unknown | 15.2% | 31 | -11.1% |
| Not measured | 0.0% | 0 | — |
| Holding horizon | Share | Filers | Change |
|---|---|---|---|
| Short horizon | 22.3% | 59 | +10.2% |
| Medium horizon | 22.0% | 49 | +6.6% |
| Long horizon | 44.8% | 227 | -10.3% |
| Unknown | 10.9% | 19 | +36.0% |
| Not measured | 0.0% | 0 | — |
| 13F book size | Share | Filers | Change |
|---|---|---|---|
| Under $1B | 1.8% | 73 | -22.3% |
| $1B to $10B | 11.7% | 97 | +50.0% |
| $10B to $100B | 18.9% | 111 | -17.5% |
| $100B or more | 67.7% | 73 | +3.0% |
| Not measured | 0.0% | 0 | — |
| Client base | Share | Filers | Change |
|---|---|---|---|
| Individuals and high net worth | 0.7% | 78 | -24.6% |
| Pooled investment vehicles | 23.7% | 44 | +23.2% |
| Registered funds and BDCs | 18.6% | 26 | -2.1% |
| Pension and profit sharing plans | 0.0% | 2 | -31.1% |
| Insurance companies | 0.2% | 5 | -0.3% |
| Charitable organizations | 0.0% | 2 | +0.3% |
| Governments and sovereign funds | 0.4% | 6 | -4.1% |
| Other investment advisers | 0.1% | 5 | -10.9% |
| Other | 0.0% | 3 | -97.4% |
| Diversified | 2.1% | 11 | -50.6% |
| Unknown | 54.2% | 172 | +1.5% |
| Private funds | Share | Filers | Change |
|---|---|---|---|
| Hedge funds | 26.4% | 57 | +25.8% |
| Private equity funds | 0.2% | 10 | -82.7% |
| Venture capital funds | 0.0% | 1 | +3.3% |
| Real estate funds | 0.0% | 5 | -0.9% |
| Liquidity funds | 0.0% | 1 | 0.0% |
| Securitized asset funds | 0.3% | 2 | +1.3% |
| Other private funds | 2.4% | 13 | -46.1% |
| Mixed private funds | 1.2% | 1 | +51.2% |
| Private funds, type not stated | 2.2% | 10 | +51.0% |
| No private funds | 16.8% | 90 | -5.8% |
| Unknown | 50.4% | 164 | -2.1% |
| Location | Share | Filers | Change |
|---|---|---|---|
| United States | 86.1% | 277 | -0.6% |
| Outside the US | 13.9% | 77 | +17.0% |
The Sep 30, 2026 filing window is still open, so its bar carries the Jun 30, 2026 positions of filers that have not filed yet.
How the mix is measured
Shares are 13F common shares restated to today's split basis; options and principal amounts are left out. The change compares only filers with a 13F in both quarters and keeps each filer in its bucket of the later quarter on both sides; a filer that continues under a new CIK is compared through its successor. Holder type comes from each filer's current regulatory profile; client base and private funds come from the Form ADV roster current at each quarter end (rosters from December 2019, so an earlier quarter reads Unknown). Style, turnover, horizon and book size are measured from each filer's 13F book in the newest measured quarter, and Not measured means none was. Actively managed books are those measured systematic-like, concentrated or diversified active.
Excluded 5 holders with no observed 2026-03-31 13F and 2 holders with no observed 2026-06-30 13F. Compared across CIK changes: JANUS HENDERSON GROUP PLC continues as Jupiter Topco LLC.
Conviction and Crowding
354 13F filers, quarter ended Jun 30, 2026Measured across every 13F filer's common-share book once the quarter's filing window closed. Crowding counts filers with high turnover or that advise private funds on Form ADV.
Managers in the top fifth by current three-year FundScore alpha were net buyers of $0 (0 buying, 0 selling).
Estimated Holder Cost Basis
Quarter ended Jun 30, 2026, on that quarter's share basisEstimated, never filed: each 13F buy is costed at its quarter's average traded price and each sale keeps the average cost, so this is what holders paid on average if they traded evenly through each quarter.
Estimated cost covers 31.6% of the 13F shares; positions already held when a filer's 13F history starts, or bought in a quarter without a trusted average price, have no estimate.
Shared Holders
Companies SLAB's active holders also own, quarter ended Jun 30, 2026| # | Company | Shared holders |
|---|---|---|
| 1 | TXNM Txnm Energy Inc | 18 |
| 2 | DBRHP DigitalBridge Group, Inc. | 15 |
| 3 | QRVO Qorvo, Inc. | 17 |
| 4 | OGN Organon & Co. | 16 |
| 5 | PEN Penumbra Inc | 20 |
| 6 | AVNS Avanos Medical, Inc. | 11 |
| 7 | CZR Caesars Entertainment, Inc. | 18 |
| 8 | PAYO Payoneer Global Inc. | 11 |
| 9 | UNF Unifirst Corp | 13 |
| 10 | APGE Apogee Therapeutics, Inc. | 16 |
Shareholder Targets
13F filers that own its peers but not SLAB, quarter ended Jun 30, 2026Found through its holder-overlap peers: TXNM, DBRHP, QRVO, OGN, PEN, AVNS, CZR, PAYO, UNF, APGE, AES, TECH, RAMP, BHF, SEM, WBS, NATL, IMXI, TALK, JHG. 1,353 filers in all.
| # | Filer | In peers | Largest peers |
|---|---|---|---|
| 1 | TRIAN FUND MANAGEMENT, L.P. Registered adviser, Concentrated | $1,332,745,144 1 held | JHG |
| 2 | Venrock Adviser, LLC Registered adviser, Concentrated | $1,127,318,496 1 held | APGE |
| 3 | GLAZER CAPITAL, LLC Registered adviser, Diversified active | $1,112,120,637 16 held | JHG, APGE, SEM |
| 4 | FIL Ltd Non-US, Diversified active | $678,036,628 10 held | QRVO, JHG, RAMP |
| 5 | WHITEBOX ADVISORS LLC Registered adviser, Diversified active | $589,347,729 5 held | PEN, TECH, WBS |
| 6 | Starboard Value LP Registered adviser, Concentrated | $523,387,030 1 held | QRVO |
| 7 | Westchester Capital Management, LLC Registered adviser, Diversified active | $459,256,669 14 held | WBS, UNF, DBRHP |
| 8 | SOROS FUND MANAGEMENT LLC Unknown, Diversified active | $426,892,931 9 held | WBS, APGE, BHF |
| 9 | ExodusPoint Capital Management, LP Registered adviser, Diversified active | $378,242,295 12 held | PEN, UNF, JHG |
| 10 | NEXPOINT ASSET MANAGEMENT, L.P. Registered adviser, Concentrated | $318,703,137 8 held | JHG, AVNS, TXNM |
Fund Ownership of SLAB by Fund Type
Registered funds' Form N-PORT reports for the quarter ended Jun 30, 2026Index funds and index ETFs hold 26.49% of shares outstanding.
| Fund type | Of shares outstanding | Shares |
|---|---|---|
| Index funds | 4.38% | 1,461,902 |
| Index ETFs | 22.11% | 7,378,092 |
| Active ETFs | 0.68% | 226,050 |
| Active funds | 8.57% | 2,860,209 |
| Unclassified | 0.79% | 263,064 |
| All registered funds | 36.53% | 12,189,317 |
How fund types are measured
Each fund series counts once, with its latest Form N-PORT report dated inside the quarter; only long share positions count, restated to today's split basis. The fund type is the series' latest Form N-CEN answer on or before the quarter end (the index-fund box and the exchange-traded flag), never its name. Unclassified funds have no usable N-CEN; unit investment trusts are among them, so index ownership is a floor. Funds sit inside their advisers' 13F reports, so these shares overlap the 13F figures and are never added to them.
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Mega BlackRock, Inc. Holding company | $1,135,435,149 | 15.68% | 5,195,073 | Shares | 2026-08-07 | |
| Mega VANGUARD PORTFOLIO MANAGEMENT LLC Registered adviser | $456,224,329 | 6.30% | 2,087,410 | Shares | 2026-08-13 | |
| Mega STATE STREET CORP Bank | $354,880,461 | 4.90% | 1,623,721 | Shares | 2026-09-22 | |
| Large Balyasny Asset Management L.P. Registered adviser | $340,882,786 | 4.71% | 1,559,676 | Shares | 2026-08-14 | |
| Mega VANGUARD CAPITAL MANAGEMENT LLC Registered adviser | $324,710,876 | 4.48% | 1,485,683 | Shares | 2026-08-13 | |
| Mega MILLENNIUM MANAGEMENT LLC Registered adviser | $219,376,540 | 3.03% | 1,003,736 | Shares | 2026-08-14 | |
| Mid HBK INVESTMENTS L P Registered adviser | $218,560,000 | 3.02% | 1,000,000 | Shares | 2026-09-16 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC Registered adviser | $197,874,825 | 2.73% | 905,357 | Shares | 2026-08-12 | |
| Large Walleye Trading LLC | $193,513,024 | 2.67% | 885,400 | Call | 2026-08-03 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $185,841,568 | 2.57% | 850,300 | Call | 2026-08-14 | |
| Mega UBS Group AG Bank | $168,243,114 | 2.32% | 769,780 | Shares | 2026-08-13 | |
| Mega GOLDMAN SACHS GROUP INC Holding company | $163,228,256 | 2.25% | 746,835 | Shares | 2026-08-14 | |
| Large Pentwater Capital Management LP Registered adviser | $162,111,416 | 2.24% | 741,725 | Shares | 2026-08-14 | |
| Mid AQR Arbitrage LLC Registered adviser | $140,535,609 | 1.94% | 643,007 | Shares | 2026-08-14 | |
| Mega Qube Research & Technologies Ltd Exempt adviser | $118,174,954 | 1.63% | 540,698 | Shares | 2026-08-14 | |
| Mega MORGAN STANLEY Holding company | $118,030,482 | 1.63% | 540,037 | Shares | 2026-08-13 | |
| Mega DIMENSIONAL FUND ADVISORS LP Registered adviser | $110,183,961 | 1.52% | 504,136 | Shares | 2026-08-11 | |
| Mega Invesco Ltd. Adviser | $104,344,694 | 1.44% | 477,419 | Shares | 2026-08-14 | |
| Mega Capital Research Global Investors Adviser | $103,061,093 | 1.42% | 471,546 | Shares | 2026-08-12 | |
| Mega NORGES BANK Non-US | $94,629,923 | 1.31% | 432,970 | Shares | 2026-08-12 | |
| Large Pathstone Holdings, LLC | $93,318,563 | 1.29% | 426,970 | Shares | 2026-08-13 | |
| Mega NORTHERN TRUST CORP Bank | $89,915,363 | 1.24% | 411,399 | Shares | 2026-08-13 | |
| Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC Registered adviser | $83,910,210 | 1.16% | 383,923 | Shares | 2026-08-14 | |
| Large LMR Partners LLP Exempt adviser | $82,854,565 | 1.14% | 379,093 | Shares | 2026-08-14 | |
| Mega ALLIANCEBERNSTEIN L.P. Registered adviser | $81,209,683 | 1.12% | 371,567 | Shares | 2026-08-14 | |
| Large ADAGE CAPITAL PARTNERS GP, L.L.C. Registered adviser | $75,001,705 | 1.04% | 343,163 | Shares | 2026-08-14 | |
| Mid Kryger Capital LLC Registered adviser | $71,925,910 | 0.99% | 329,090 | Shares | 2026-08-14 | |
| Mega HSBC HOLDINGS PLC | $67,207,855 | 0.93% | 307,503 | Shares | 2026-08-14 | |
| Mega JPMORGAN CHASE & CO Bank | $66,761,552 | 0.92% | 305,461 | Shares | 2026-08-12 | |
| Mid ALPINE ASSOCIATES MANAGEMENT INC. Registered adviser | $65,292,395 | 0.90% | 298,739 | Shares | 2026-08-06 | |
| Mega NEUBERGER BERMAN GROUP LLC Holding company | $61,657,086 | 0.85% | 282,106 | Shares | 2026-08-13 | |
| Mega AMERICAN CENTURY COMPANIES INC | $61,303,675 | 0.85% | 280,489 | Shares | 2026-08-12 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $59,688,736 | 0.82% | 273,100 | Put | 2026-08-14 | |
| Mid Magnetar Financial LLC Registered adviser | $54,907,735 | 0.76% | 251,225 | Shares | 2026-08-14 | |
| Mega VANGUARD FIDUCIARY TRUST CO | $51,638,952 | 0.71% | 236,269 | Shares | 2026-08-13 | |
| Large Assenagon Asset Management S.A. | $49,628,380 | 0.69% | 223,975 | Shares | 2026-10-15 | |
| Mega Bank of New York Mellon Corp Bank | $45,698,487 | 0.63% | 209,089 | Shares | 2026-08-06 | |
| Large Verition Fund Management LLC Registered adviser | $40,821,762 | 0.56% | 186,776 | Shares | 2026-08-14 | |
| Mega BANK OF AMERICA CORP /DE/ Bank | $38,939,303 | 0.54% | 178,163 | Shares | 2026-08-14 | |
| Mid TIG Advisors, LLC Registered adviser | $36,753,705 | 0.51% | 168,163 | Shares | 2026-08-14 | |
| Mega MARSHALL WACE, LLP Exempt adviser | $32,942,455 | 0.45% | 150,725 | Shares | 2026-08-13 | |
| Small WATER ISLAND CAPITAL LLC Registered adviser | $32,377,041 | 0.45% | 148,138 | Shares | 2026-08-14 | |
| Large Man Group plc | $31,327,734 | 0.43% | 143,337 | Shares | 2026-08-14 | |
| Large Grantham, Mayo, Van Otterloo & Co. LLC Adviser | $29,401,784 | 0.41% | 134,525 | Shares | 2026-08-13 | |
| Mid Sagefield Capital LP | $25,959,026 | 0.36% | 118,773 | Shares | 2026-08-14 | |
| Large Squarepoint Ops LLC Registered adviser | $25,029,709 | 0.35% | 114,521 | Shares | 2026-08-14 | |
| Mega Nuveen, LLC | $25,015,284 | 0.35% | 114,455 | Shares | 2026-08-11 | |
| Mid Leeward Investments, LLC - MA Registered adviser | $22,137,836 | 0.31% | 99,909 | Shares | 2026-10-23 | |
| Mega RHUMBLINE ADVISERS Registered adviser | $21,883,101 | 0.30% | 100,124 | Shares | 2026-08-12 | |
| Large HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND Non-US | $21,255,397 | 0.29% | 97,252 | Shares | 2026-08-13 | |
| Mega Allianz Asset Management GmbH | $21,098,908 | 0.29% | 96,536 | Shares | 2026-09-02 | |
| Mega CITADEL ADVISORS LLC Registered adviser | $21,078,362 | 0.29% | 96,442 | Shares | 2026-09-02 | |
| Large TUDOR INVESTMENT CORP ET AL Registered adviser | $20,570,211 | 0.28% | 94,117 | Shares | 2026-08-14 | |
| Small NINE MASTS CAPITAL Ltd Exempt adviser | $20,489,781 | 0.28% | 93,749 | Shares | 2026-08-07 | |
| Large Walleye Trading LLC | $20,347,936 | 0.28% | 93,100 | Put | 2026-08-03 | |
| Mid DAYMARK WEALTH PARTNERS, LLC Registered adviser | $19,784,051 | 0.27% | 90,520 | Shares | 2026-07-31 | |
| Large TUDOR INVESTMENT CORP ET AL Registered adviser | $19,692,256 | 0.27% | 90,100 | Call | 2026-08-14 | |
| Mega FMR LLC Holding company | $17,686,965 | 0.24% | 80,925 | Shares | 2026-08-13 | |
| Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC Registered adviser | $17,595,825 | 0.24% | 80,508 | Shares | 2026-08-13 | |
| Mega PRINCIPAL FINANCIAL GROUP INC Insurer | $16,842,451 | 0.23% | 77,061 | Shares | 2026-08-04 | |
| Mega BNP PARIBAS ARBITRAGE, SA Non-US | $16,065,252 | 0.22% | 73,505 | Shares | 2026-08-13 | |
| Mega Swiss National Bank | $14,446,816 | 0.20% | 66,100 | Shares | 2026-08-11 | |
| Mega California Public Employees Retirement System | $13,033,607 | 0.18% | 59,634 | Shares | 2026-08-14 | |
| Mid WINTON GROUP Ltd | $12,042,218 | 0.17% | 55,098 | Shares | 2026-08-07 | |
| Small Kintayl Capital LP Registered adviser | $11,556,360 | 0.16% | 52,875 | Shares | 2026-08-14 | |
| Large STATE OF WISCONSIN INVESTMENT BOARD Benefit plan | $11,126,671 | 0.15% | 50,909 | Shares | 2026-08-14 | |
| Mega Legal & General Group Plc | $11,067,002 | 0.15% | 50,636 | Shares | 2026-08-14 | |
| Large RENAISSANCE TECHNOLOGIES LLC Registered adviser | $11,036,842 | 0.15% | 50,498 | Shares | 2026-08-13 | |
| Mid Nearwater Capital Markets, Ltd | $10,381,600 | 0.14% | 47,500 | Shares | 2026-08-14 | |
| Large Public Sector Pension Investment Board Non-US | $9,736,410 | 0.13% | 44,548 | Shares | 2026-08-13 | |
| Large Retirement Systems of Alabama | $9,663,193 | 0.13% | 44,213 | Shares | 2026-07-28 | |
| Mega DEUTSCHE BANK AG\ Non-US | $9,455,778 | 0.13% | 43,264 | Shares | 2026-08-07 | |
| Mega AQR CAPITAL MANAGEMENT LLC Registered adviser | $9,372,505 | 0.13% | 42,883 | Shares | 2026-08-14 | |
| Mega PRICE T ROWE ASSOCIATES INC /MD/ Registered adviser | $9,293,389 | 0.13% | 42,521 | Shares | 2026-08-14 | |
| Mid KORNITZER CAPITAL MANAGEMENT INC /KS Registered adviser | $9,214,489 | 0.13% | 42,160 | Shares | 2026-07-31 | |
| Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | $8,931,454 | 0.12% | 40,865 | Shares | 2026-08-14 | |
| Mega WELLS FARGO & COMPANY/MN Bank | $8,887,959 | 0.12% | 40,666 | Shares | 2026-08-14 | |
| Mid Carmignac Gestion | $8,816,710 | 0.12% | 40,340 | Shares | 2026-08-13 | |
| Small GABELLI & Co INVESTMENT ADVISERS, INC. Registered adviser | $8,803,378 | 0.12% | 40,279 | Shares | 2026-08-12 | |
| Large GABELLI FUNDS LLC Registered adviser | $8,683,607 | 0.12% | 39,731 | Shares | 2026-08-12 | |
| Large Centiva Capital, LP Registered adviser | $8,429,203 | 0.12% | 38,567 | Shares | 2026-08-13 | |
| Mega CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Benefit plan | $8,327,354 | 0.11% | 38,101 | Shares | 2026-08-24 | |
| Small Avalon Global Asset Management LLC Registered adviser | $8,174,144 | 0.11% | 37,400 | Shares | 2026-08-13 | |
| Large MetLife Investment Management, LLC Registered adviser | $7,571,136 | 0.10% | 34,641 | Shares | 2026-08-14 | |
| Large Schonfeld Strategic Advisors LLC Registered adviser | $7,437,596 | 0.10% | 34,030 | Shares | 2026-08-14 | |
| Mid Vestcor Inc | $7,431,040 | 0.10% | 34,000 | Shares | 2026-08-11 | |
| Mid Engineers Gate Manager LP | $7,278,922 | 0.10% | 33,304 | Shares | 2026-08-14 | |
| Mega AMERIPRISE FINANCIAL INC Adviser | $7,090,522 | 0.10% | 32,442 | Shares | 2026-08-14 | |
| Mega VANGUARD ASSET MANAGEMENT, Ltd | $6,971,408 | 0.10% | 31,897 | Shares | 2026-08-13 | |
| Mega SG Americas Securities, LLC Non-US | $6,649,906 | 0.09% | 30,426 | Shares | 2026-08-07 | |
| Large Alberta Investment Management Corp Non-US | $6,556,800 | 0.09% | 30,000 | Shares | 2026-08-06 | |
| Mega VAN ECK ASSOCIATES CORP Registered adviser | $5,859,812 | 0.08% | 26,811 | Shares | 2026-08-14 | |
| Mega CITIGROUP INC Bank | $5,733,921 | 0.08% | 26,235 | Shares | 2026-08-03 | |
| Mid MOORE CAPITAL MANAGEMENT, LP Registered adviser | $5,682,560 | 0.08% | 26,000 | Shares | 2026-08-14 | |
| Mid Polar Asset Management Partners Inc. Registered adviser | $5,635,132 | 0.08% | 25,783 | Shares | 2026-08-14 | |
| Large CANADA LIFE ASSURANCE Co | $5,592,513 | 0.08% | 25,588 | Shares | 2026-08-13 | |
| Mid Governors Lane LP Registered adviser | $5,531,972 | 0.08% | 25,311 | Shares | 2026-08-14 | |
| Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE Non-US | $5,431,434 | 0.07% | 24,851 | Shares | 2026-09-09 | |
| Mega JANE STREET GROUP, LLC | $5,289,152 | 0.07% | 24,200 | Call | 2026-08-14 | |
| Mega BARCLAYS PLC Bank | $5,284,342 | 0.07% | 24,178 | Shares | 2026-08-14 |
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