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Equibles

SLAB

Silicon Laboratories Inc.

Company with tickers: SLAB

CIK
1038074
CUSIP
826919102
Shares Outstanding
32,981,823
13F Activity (30d)
231 filings 205 filers

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.

Holders: 380
Total Value: $6,336,950,611
Total Shares: 30,444,155
Showing 1–100 of 390 holdings by value · page 1 of 4

Institutional Ownership Trend

25 quarters

Superinvestors Holding SLAB

All superinvestors →
Joel Greenblatt $2,640,590 Mario Gabelli $312,225

Holder Concentration

Across 380 13F filers · Δ vs Dec 31, 2025
Top Holder
16.4%
Jun 2023 → Mar 2026 · range 14.3% – 18.9%
+1.3 pts
Top 5
37.1%
Jun 2023 → Mar 2026 · range 37.1% – 60.3%
−7.3 pts
Top 10
48.8%
Jun 2023 → Mar 2026 · range 48.8% – 70.0%
−10.9 pts
HHI
452
Jun 2023 → Mar 2026 · range 452 – 965
Broadly held−74

Quarterly Activity

vs Dec 31, 2025
New
163
Increased
88
Decreased
85
Sold Out
56
Unchanged
44
Holder count: +107
Institutional value: +373.2%
Shares held: +197.1%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mega HSBC HOLDINGS PLC +202,513 214,071
Large Assenagon Asset Management S.A. +190,994 239,318
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP +140,364 151,464
Large Verition Fund Management LLC +134,165 139,479
Mega UBS Group AG +123,474 381,156

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Large Squarepoint Ops LLC −312,383 111,290
Large NOMURA ASSET MANAGEMENT INTERNATIONAL INC. −254,286 661,438
Large BNP PARIBAS ASSET MANAGEMENT Holding S.A. −135,242 644
Large MARSHALL WACE, LLP −123,342 28,992
Large ACADIAN ASSET MANAGEMENT LLC −81,282 2,652

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega BlackRock, Inc. 4,993,897 $1,039,479,652
Mega VANGUARD PORTFOLIO MANAGEMENT LLC 2,138,836 $445,198,713
Mega VANGUARD CAPITAL MANAGEMENT LLC 1,473,330 $306,673,639
Large Balyasny Asset Management L.P. 1,233,893 $256,834,827
Mega Capital Research Global Investors 811,937 $169,004,686

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mid SCHWARTZ INVESTMENT COUNSEL INC 192,790 $25,197,653
Large JACOBS LEVY EQUITY MANAGEMENT, INC 119,420 $15,608,194
Small Foresight Group Ltd Liability Partnership 109,232 $14,276,622
Small Grandeur Peak Global Advisors, LLC 95,513 $12,483,549
Large Trexquant Investment LP 70,699 $9,240,359
Filter: New 163 Increased 88 Reduced 85 Sold out 56 Unchanged 44
Showing 100 of 390
All Common Calls Puts
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Holder Value (USD) % of 13F Shares Open
Mega BlackRock, Inc. $1,039,479,652 16.40% 4,993,897
Mega VANGUARD PORTFOLIO MANAGEMENT LLC $445,198,713 7.03% 2,138,836
Mega VANGUARD CAPITAL MANAGEMENT LLC $306,673,639 4.84% 1,473,330
Mega STATE STREET CORP $305,368,747 4.82% 1,467,061
Large Balyasny Asset Management L.P. $256,834,827 4.05% 1,233,893
Mega GEODE CAPITAL MANAGEMENT, LLC $177,214,954 2.80% 851,381
Mega Capital Research Global Investors $169,004,686 2.67% 811,937
Large NOMURA ASSET MANAGEMENT INTERNATIONAL INC. $137,678,319 2.17% 661,438
Mega AMERICAN CENTURY COMPANIES INC $132,451,256 2.09% 636,326
Mega MORGAN STANLEY $122,997,495 1.94% 590,908
Large ADAGE CAPITAL PARTNERS GP, L.L.C. $117,883,046 1.86% 566,337
Mega GOLDMAN SACHS GROUP INC $108,238,623 1.71% 520,003
Mega DIMENSIONAL FUND ADVISORS LP $106,059,292 1.67% 509,533
Large Pentwater Capital Management LP $104,075,000 1.64% 500,000
Mega MILLENNIUM MANAGEMENT LLC $95,165,347 1.50% 457,196
Large Pathstone Holdings, LLC $88,464,374 1.40% 425,003
Mega Invesco Ltd. $83,597,824 1.32% 401,623
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $82,427,191 1.30% 395,999
Mega NORTHERN TRUST CORP Bank $80,574,030 1.27% 387,096
Large FEDERATED HERMES, INC. $79,738,724 1.26% 383,083
Mega UBS Group AG $79,337,621 1.25% 381,156
Large Thrivent Financial for Lutherans $75,376,942 1.19% 362,128
Mega CITADEL ADVISORS LLC $71,083,224 1.12% 341,500
Mid AQR Arbitrage LLC $64,273,181 1.01% 308,783
Mega AQR CAPITAL MANAGEMENT LLC $57,127,182 0.90% 274,452
Large MACKENZIE FINANCIAL CORP $51,959,651 0.82% 249,626
Mid Magnetar Financial LLC $51,168,265 0.81% 245,824
Mega ALLIANCEBERNSTEIN L.P. $51,151,405 0.81% 245,743
Mega Clearbridge Investments, LLC $51,017,356 0.81% 245,099
Large Assenagon Asset Management S.A. $49,814,041 0.79% 239,318
Large LMR Partners LLP $49,574,252 0.78% 238,166
Large Qube Research & Technologies Ltd $49,291,168 0.78% 236,806
Mega VANGUARD FIDUCIARY TRUST CO Bank $47,671,970 0.75% 229,027
Large LOOMIS SAYLES & CO L P $46,488,637 0.73% 223,342
Mid ALPINE ASSOCIATES MANAGEMENT INC. $46,302,967 0.73% 222,450
Mega Bank of New York Mellon Corp Bank $44,592,175 0.70% 214,231
Mega HSBC HOLDINGS PLC $44,558,878 0.70% 214,071
Mid Stephens Investment Management Group LLC $42,052,336 0.66% 202,029
Mega BANK OF AMERICA CORP /DE/ Bank $41,071,530 0.65% 197,317
Mid Kryger Capital LLC $37,339,404 0.59% 179,387
Mid SONA ASSET MANAGEMENT (US) LLC $36,438,530 0.58% 175,059
Large HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND Pension $35,843,430 0.57% 172,200
Large RENAISSANCE TECHNOLOGIES LLC $32,283,648 0.51% 155,098
Large Allianz Asset Management GmbH $32,057,804 0.51% 154,013
Mid DAVIDSON INVESTMENT ADVISORS $30,078,091 0.47% 144,502
Mid TIG Advisors, LLC $29,689,058 0.47% 142,633
Large Verition Fund Management LLC $29,032,553 0.46% 139,479
Mid Leeward Investments, LLC - MA $25,517,524 0.40% 122,592
Mega NEUBERGER BERMAN GROUP LLC $24,852,901 0.39% 119,399
Mid NINE MASTS CAPITAL Ltd $24,846,657 0.39% 119,369
Mega JPMORGAN CHASE & CO $24,562,527 0.39% 118,004
Mega Nuveen, LLC $24,465,325 0.39% 117,537
Mid NINE MASTS CAPITAL Ltd $23,520,950 0.37% 113,000
Small Sand Grove Capital Management LLP $23,388,774 0.37% 112,365
Large TUDOR INVESTMENT CORP ET AL $23,376,077 0.37% 112,304
Large Squarepoint Ops LLC $22,644,638 0.36% 108,790
Large Man Group plc $22,092,623 0.35% 106,138
Mega RHUMBLINE ADVISERS $20,229,265 0.32% 97,186
Mid DAYMARK WEALTH PARTNERS, LLC $17,877,795 0.28% 85,889
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $16,528,979 0.26% 79,409
Mega FRANKLIN RESOURCES INC $15,873,933 0.25% 76,262
Mega PRINCIPAL FINANCIAL GROUP INC $15,613,123 0.25% 75,009
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $15,569,620 0.25% 74,800
Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP $14,951,414 0.24% 71,830
Large Woodline Partners LP $13,697,935 0.22% 65,808
Small Slotnik Capital, LLC $13,633,825 0.22% 65,500
Mega Swiss National Bank Bank $13,529,750 0.21% 65,000
Mega California Public Employees Retirement System Pension $13,379,049 0.21% 64,276
Mid KORNITZER CAPITAL MANAGEMENT INC /KS $13,115,531 0.21% 63,010
Mega BARCLAYS PLC $12,669,048 0.20% 60,865
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $12,489,000 0.20% 60,000
Large Grantham, Mayo, Van Otterloo & Co. LLC $12,216,531 0.19% 58,691
Small WATER ISLAND CAPITAL LLC $12,159,498 0.19% 58,417
Small Avalon Global Asset Management LLC $11,947,810 0.19% 57,400
Small Fort Baker Capital Management LP $11,230,733 0.18% 53,955
Mid WINTON GROUP Ltd $11,203,881 0.18% 53,826
Large Retirement Systems of Alabama Pension $10,511,991 0.17% 50,502
Mega FMR LLC $10,482,225 0.17% 50,359
Mega WELLINGTON MANAGEMENT GROUP LLP $10,348,592 0.16% 49,717
Mega Legal & General Group Plc $9,868,807 0.16% 47,412
Large Connor, Clark & Lunn Investment Management Ltd. $9,421,285 0.15% 45,262
Large Public Sector Pension Investment Board Pension $9,272,666 0.15% 44,548
Mega CANADA PENSION PLAN INVESTMENT BOARD Pension $9,179,415 0.14% 44,100
Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Mutual Fund $8,673,610 0.14% 41,670
Mid Sagefield Capital LP $8,415,088 0.13% 40,428
Mid TIG Advisors, LLC $8,367,630 0.13% 40,200
Large CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM Pension $7,910,324 0.12% 38,003
Mega FIRST TRUST ADVISORS LP $7,876,187 0.12% 37,839
Mega DEUTSCHE BANK AG\ Bank $7,841,009 0.12% 37,670
Large Centiva Capital, LP $7,805,625 0.12% 37,500
Mid METEORA CAPITAL, LLC $7,659,920 0.12% 36,800
Large Schonfeld Strategic Advisors LLC $7,610,588 0.12% 36,563
Mega PRICE T ROWE ASSOCIATES INC /MD/ $7,377,044 0.12% 35,441
Mega AMERIPRISE FINANCIAL INC $7,091,670 0.11% 34,070
Large NEW YORK STATE TEACHERS RETIREMENT SYSTEM Pension $7,011,324 0.11% 33,684
Large MetLife Investment Management, LLC $6,970,319 0.11% 33,487
Mid BOOTHBAY FUND MANAGEMENT, LLC $6,449,319 0.10% 30,984
Mega VANGUARD ASSET MANAGEMENT, Ltd $6,300,284 0.10% 30,268
Mid Alberta Investment Management Corp $6,244,500 0.10% 30,000
Large MARSHALL WACE, LLP $6,034,684 0.10% 28,992

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