Abc Arbitrage 13F: New $4.4M Stake in Silicon Laboratories (SLAB)

Abc Arbitrage acquired a new stake in Silicon Laboratories Inc. SLAB, purchasing 19,633 shares valued at roughly $4.35 million. The fund disclosed the investment in a Form 13F filed with the SEC on October 23, 2026.

SLAB Silicon Laboratories Inc.

$221.27 ▲ +67.72% year to date

1M 3M YTD

Daily close · Oct 23, 2026

What Changed in Abc Arbitrage's Silicon Laboratories Inc. Position

Abc Arbitrage opened a brand-new position in the semiconductor company during the period. The firm did not previously hold shares in Silicon Laboratories Inc., bringing its total holding to 19,633 shares with a reported market value of $4,350,280 on the filing date.

Other Institutional Activity in Silicon Laboratories Inc.

Other large institutional investors also adjusted their positions in the chipmaker. Pentwater Capital Management held 500,000 shares worth about $109.28 million. Balyasny Asset Management LP grew its holdings by 325,755 shares, ending with 1,559,676 shares worth about $345.11 million. Millennium Management Llc raised its stake by 546,536 shares to hold 1,003,736 shares valued at roughly $222.10 million. HBK Investments L P lifted its position by 500,000 shares, finishing with 1,000,000 shares worth about $221.27 million.

Silicon Laboratories Inc. Stock Down 0.2%

Silicon Laboratories Inc. closed at $221.27 on October 23, 2026. The stock recently traded around $221.27, which is close to its 52-week high of $223.50 and well above its 52-week low of $115.51.

Recent Earnings

Silicon Laboratories Inc. generated trailing-twelve-month revenue of $855.89 million alongside a trailing-twelve-month loss of $1.17 per share. The firm posted a year-over-year revenue growth rate of 18.3%, with a net margin of -4.6% and a return on equity of -3.6%. The next earnings update is scheduled for November 3, 2026.

Insider Buying and Selling at Silicon Laboratories Inc.

Company insiders completed four notable transactions prior to the filing. Officer Brandon Tolany disposed of 6,200 shares on December 5, 2025, for a total value of $871,633. Director Nina Louise Richardson sold 1,355 shares on January 13, 2026, at an average price of $149.00, totaling $201,895. Chief Executive Officer Robert Matthew Johnson parted with 8,024 shares on May 18, 2026, at an average price of $216.83 for a total value of $1,739,844. Officer Robert J Conrad sold 6,581 shares on August 14, 2026, at an average price of $218.21, worth about $1,436,040.

About Silicon Laboratories Inc.

Silicon Laboratories Inc. is an Austin, Texas-based fabless semiconductor company that provides mixed-signal analog intensive products to customers in the United States, China, Taiwan, and international markets. Founded to build high-performance analog and mixed-signal integrated circuits, the firm serves diverse infrastructure, industrial, and consumer electronics applications.

Bottom Line

Investors are keeping an eye on the company's financial trajectory as it approaches its upcoming financial results announcement. Further institutional filings and market data will show how large funds adjust their stances moving forward.