SLAB — SILICON LABORATORIES INC

Ownership history in L. Roy Papp & Associates, LLP  ·  68 quarters on record

AI Ownership Summary

L. Roy Papp & Associates, LLP reported SILICON LABORATORIES INC (SLAB) in 68 quarterly 13F filings from 2023 Q4 through 2026 Q1. Peak portfolio weight reached 0.21% in 2026 Q1. The latest visible filing shows SLAB at 0.21% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this SLAB ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was L. Roy Papp & Associates, LLP's position in SILICON LABORATORIES INC, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2026 Q1

SLAB was reported at 0.21% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.21% in 2026 Q1

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2023 Q4 to 2026 Q1

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

SLAB stock page L. Roy Papp & Associates, LLP fund profile L. Roy Papp & Associates, LLP full holdings
How L. Roy Papp & Associates, LLP held SLAB — position size vs. price
% of Fund (quarterly)    SLAB price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 10 quarters  ▾
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q1 REDUCED 8,575 -75 -0.9% 0.21% $1.8M 2026-04-14 $211.06
2025 Q4 UNCHANGED 8,650 — 0% 0.12% $1.1M 2026-01-28 $144.24
2025 Q3 REDUCED 8,650 -235 -2.6% 0.13% $1.1M 2025-10-09 $134.06
2025 Q2 ADDED 8,885 +185 +2.1% 0.16% $1.3M 2025-07-24 $135.85
2025 Q1 REDUCED 8,700 -440 -4.8% 0.12% $979K 2025-04-10 $88.19
2024 Q4 REDUCED 9,140 -55 -0.6% 0.13% $1.1M 2025-01-29 $133.15
2024 Q3 REDUCED 9,195 -290 -3.1% 0.13% $1.1M 2024-10-24 $113.39
2024 Q2 REDUCED 9,485 -155 -1.6% 0.13% $1.0M 2024-07-24 $115.43
2024 Q1 REDUCED 9,640 -280 -2.8% 0.16% $1.4M 2024-04-15 $124.37
2023 Q4 ADDED 9,920 +120 +1.2% 0.16% $1.3M 2024-01-19 $126.33
58 older quarters hidden  —  Sign in free or upgrade to Premium to see full history

🏢 Other funds also holding SLAB

As of 2026 Q1 — sorted by position size

ALPINE ASSOCIATES MANAGEMENT INC. 3Y 7Y 2.73% Leeward Investments, LLC - MA 3Y 1.26% Worthington Financial Partners, LLC 0.89% MOODY ALDRICH PARTNERS LLC 3Y 7Y 0.82% DAVIDSON INVESTMENT ADVISORS 3Y 7Y 0.8% Linden Thomas Advisory Services, LLC 3Y 0.25% Assenagon Asset Management S.A. 3Y 7Y 0.08% Louisiana State Employees Retirement System 3Y 7Y 0.04% Cooper Financial Group 3Y 7Y 0.03% Cohen Klingenstein LLC 3Y 7Y 0.03%

FAQ About L. Roy Papp & Associates, LLP and SLAB

These are the practical questions this page is built to answer before you even open the full history table.

How long has L. Roy Papp & Associates, LLP reported owning SLAB?

L. Roy Papp & Associates, LLP reported SLAB across 10 quarterly 13F filings, from 2023 Q4 through 2026 Q1.

What was the largest reported SLAB position in L. Roy Papp & Associates, LLP's portfolio?

The largest reported portfolio weight for SLAB was 0.21% in 2026 Q1.

What is the latest reported SLAB position on this page?

The most recent filing on this page is 2026 Q1, when L. Roy Papp & Associates, LLP reported 8,575 shares, equal to 0.21% of portfolio, with an estimated market value of $1.8M.

What does the chart on this SLAB ownership page compare?

The chart compares L. Roy Papp & Associates, LLP's quarterly SLAB portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

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