SLAB · Insider trading · 13F holders · Congress trades
Silicon Laboratories Inc. (SLAB)
Who is buying and selling SLAB: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 27
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $1.4M
- Congress trades, 12 months
- 2
SLAB at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 1 SLAB insider filed 1 sale worth $1.4M on SEC Form 4, and no open-market purchases; 1 of the sales were pre-planned under Rule 10b5-1.
- 27 13F filers hold SLAB among their 50 largest positions, worth $1.3B combined, including Dmitry Balyasny and Alec Litowitz. The biggest bets by portfolio weight are Kintayl Capital LP (5.6%), Kryger Capital LLC (4.1%) and Alpine Associates Management Inc. (4.1%). In their latest 13Fs, 1 manager opened a new position and 11 added to one.
- Members of Congress have disclosed 6 SLAB trades since 2017, 0 purchases and 2 sales in the past year; the latest was Gilbert Ray Cisneros, Jr. (D-CA), selling $1K–15K on May 6, 2025.
- SLAB last closed at $222.35 on Oct 29, 2026.
SLAB insider trading
Between Aug 1, 2026 and Oct 29, 2026, 1 SLAB insider filed 1 sale worth $1.4M on SEC Form 4, and no open-market purchases; 1 of the sales were pre-planned under Rule 10b5-1.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Aug 17, 2026 | Conrad Robert J | Sr VP and General Manager | Sale10b5-1 | 6,581 | $218.21 | $1.4M | SEC |
Who owns SLAB? Hedge funds and superinvestors
27 13F filers hold SLAB among their 50 largest positions, worth $1.3B combined, including Dmitry Balyasny and Alec Litowitz. The biggest bets by portfolio weight are Kintayl Capital LP (5.6%), Kryger Capital LLC (4.1%) and Alpine Associates Management Inc. (4.1%). In their latest 13Fs, 1 manager opened a new position and 11 added to one.
Superinvestors holding SLAB: Dmitry Balyasny 0.6% · Alec Litowitz 0.5%
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Dmitry BalyasnyHedge fund | 0.6% | $340.9M | 1,559,676 | +26.4% shares | Q2 2026 |
| Hbk Investments L PHedge fund | 2.8% | $218.6M | 1,000,000 | — | Q2 2026 |
| Pentwater Capital Management LPHedge fund | 1.3% | $162.1M | 741,725 | +48.3% shares | Q2 2026 |
| AQR Arbitrage LLCHedge fund | 2.4% | $140.5M | 643,007 | +108.2% shares | Q2 2026 |
| LMR Partners LLPHedge fund | 0.7% | $82.9M | 379,093 | +59.2% shares | Q2 2026 |
| Kryger Capital LLCHedge fund | 4.1% | $71.9M | 329,090 | +83.5% shares | Q2 2026 |
| Alpine Associates Management Inc.Hedge fund | 4.1% | $65.3M | 298,739 | +34.3% shares | Q2 2026 |
| Alec LitowitzHedge fund | 0.5% | $54.9M | 251,225 | +2.2% shares | Q2 2026 |
| TIG Advisors, LLCHedge fund | 1.7% | $36.8M | 168,163 | +17.9% shares | Q2 2026 |
| Water Island Capital LLCMutual fund manager | 3.6% | $32.4M | 148,138 | +153.6% shares | Q2 2026 |
| Sagefield Capital LPHedge fund | 1.9% | $26.0M | 118,773 | — | Q2 2026 |
| Leeward Investments, LLC - MAAsset manager | 1.1% | $22.1M | 99,909 | -17.2% shares | Q3 2026 |
| NINE MASTS CAPITAL LtdHedge fund | 2.9% | $20.5M | 93,749 | -21.5% shares | Q2 2026 |
| Daymark Wealth Partners, LLCWealth manager | 0.5% | $19.8M | 90,520 | +5.4% shares | Q2 2026 |
| Kintayl Capital LPHedge fund | 5.6% | $11.6M | 52,875 | +168.5% shares | Q2 2026 |
| GABELLI & Co INVESTMENT ADVISERS, INC.Hedge fund | 1.3% | $8.8M | 40,279 | — | Q2 2026 |
| Avalon Global Asset Management LLCHedge fund | 1.2% | $8.2M | 37,400 | -34.8% shares | Q2 2026 |
| DLD Asset Management, LPHedge fund | 1.1% | $4.1M | 18,712 | — | Q2 2026 |
| Kapitalo Investimentos LtdaInvestment manager | 0.3% | $2.4M | 10,867 | — | Q3 2026 |
| S Squared Technology, LLCHedge fund | 0.7% | $2.3M | 10,730 | -61.7% shares | Q2 2026 |
| Versor Investments LPHedge fund | 3.2% | $1.9M | 8,648 | -17.9% shares | Q3 2026 |
| Bradley & Co. Private Wealth Management, LLCWealth manager | 0.9% | $1.9M | 8,543 | +0.0% shares | Q3 2026 |
| Athos Capital LtdHedge fund | 0.5% | $1.4M | 6,204 | +0.0% shares | Q2 2026 |
| Worthington Financial Partners, LLCWealth manager | 0.9% | $1.1M | 4,873 | -0.6% shares | Q3 2026 |
| Olympiad Research LPHedge fund | 1.7% | $795K | 3,639 | +50.0% shares | Q2 2026 |
| Palladiem, LLCInstitutional asset manager | 0.2% | $242K | 1,108 | +0.0% shares | Q2 2026 |
| Transmarket Holdings LPHedge fund | 0.1% | $222K | 1,000 | New | Q3 2026 |
Each manager counts with its latest 13F (Q3 2026: 6, Q2 2026: 21). Screen SLAB in the grand portfolio →
SLAB stock trades by members of Congress
Members of Congress have disclosed 6 SLAB trades since 2017, 0 purchases and 2 sales in the past year; the latest was Gilbert Ray Cisneros, Jr. (D-CA), selling $1K–15K on May 6, 2025.
| Filed | Member | Trade | Amount | Traded | Since |
|---|---|---|---|---|---|
| Jun 6, 2025 | Gilbert Ray Cisneros, Jr.D-CA · House | Sale | $1K–15K | May 6, 2025 | +107.8% |
| May 6, 2025 | Gilbert Ray Cisneros, Jr.D-CA · House | Sale | $1K–15K | Apr 14, 2025 | +142.9% |
| Mar 10, 2021 | Josh GottheimerD-NJ · House | Sale | $1K–15K | Feb 26, 2021 | +42.4% |
| Sep 14, 2020 | Gilbert Ray Cisneros, Jr.D-CA · House | Buy | $1K–15K | Sep 2, 2020 | +107.8% |
| Nov 15, 2019 | Gilbert Ray Cisneros, Jr.D-CA · House | Sale | $1K–15K | Oct 22, 2019 | +107.4% |
| Aug 13, 2018 | Josh GottheimerD-NJ · House | Buy | $1K–15K | Feb 21, 2017 | +204.8% |
2 members have traded SLAB: Gilbert Ray Cisneros, Jr., Josh Gottheimer.
SLAB questions and answers
Are insiders buying SLAB stock?
Between Aug 1, 2026 and Oct 29, 2026, 1 SLAB insider filed 1 sale worth $1.4M on SEC Form 4, and no open-market purchases; 1 of the sales were pre-planned under Rule 10b5-1.
Which hedge funds own SLAB?
27 13F filers hold SLAB among their 50 largest positions, worth $1.3B combined, including Dmitry Balyasny and Alec Litowitz. The biggest bets by portfolio weight are Kintayl Capital LP (5.6%), Kryger Capital LLC (4.1%) and Alpine Associates Management Inc. (4.1%). In their latest 13Fs, 1 manager opened a new position and 11 added to one.
Has Congress traded SLAB?
Members of Congress have disclosed 6 SLAB trades since 2017, 0 purchases and 2 sales in the past year; the latest was Gilbert Ray Cisneros, Jr. (D-CA), selling $1K–15K on May 6, 2025.
Who is the largest holder of SLAB?
Among 13F filers, Dmitry Balyasny reports the largest SLAB position, $340.9M (1,559,676 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Kintayl Capital LP's: 5.6% of its portfolio.
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