Artisan Partners Asset Management Inc. and affiliated entities filed Amendment No. 7 to Schedule 13G with the SEC on November 12, 2026, reporting beneficial ownership of approximately 3.4% of Twist Bioscience Corporation common stock as of September 30, 2026.

Key Highlights

  • Aggregate beneficial ownership: The Artisan Partners entities collectively reported beneficial ownership of 2,044,476.20 shares of Twist Bioscience common stock.
  • Percent of class: The reported holdings represent 3.4% of Twist Bioscience's outstanding common stock, constituting ownership of 5 percent or less of a class.
  • Shared voting power: The reporting persons hold shared voting power over 1,815,293.20 shares, with no sole voting power reported.
  • Shared dispositive power: All 2,044,476.20 shares are subject to shared dispositive power, with no sole dispositive power reported.
  • Triggering event date: The date of event requiring this filing was September 30, 2026.
  • Filing entities: Four affiliated entities filed jointly: Artisan Partners Asset Management Inc., Artisan Partners Holdings LP, Artisan Investments GP LLC, and Artisan Partners Limited Partnership, all organized in Delaware and located at 875 East Wisconsin Avenue, Suite 800, Milwaukee, WI 53202.

Artisan Partners' Amendment No. 7 Filing on Twist Bioscience Ownership

According to the filing, four affiliated Artisan Partners entities submitted Amendment No. 7 to Schedule 13G covering their holdings in Twist Bioscience Corporation (NASDAQ:TWST), whose principal executive offices are located at 681 Gateway Blvd, South San Francisco, CA 94080. The event triggering the amendment occurred on September 30, 2026, and the statement was signed on November 11, 2026.

The filing discloses that each of the four reporting persons - Artisan Partners Asset Management Inc. (APAM), Artisan Partners Holdings LP, Artisan Investments GP LLC, and Artisan Partners Limited Partnership (APLP) - reports aggregate beneficial ownership of 2,044,476.20 shares, representing 3.4% of the class. The filing notes that none of the reporting persons holds sole voting or sole dispositive power over any shares. Shared voting power covers 1,815,293.20 shares, while shared dispositive power extends to the full 2,044,476.20 shares reported.

The filing describes the organizational structure of the reporting persons: Artisan Partners Holdings LP is the sole limited partner of APLP and the sole member of Artisan Investments GP LLC; Artisan Investments GP LLC is the general partner of APLP; and APAM is the general partner of Artisan Partners Holdings LP. APLP is classified as an investment adviser registered under section 203 of the Investment Advisers Act of 1940, while the other three entities are classified as parent holding companies or control persons. The filing certifies that the securities "were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer."

What Was Disclosed

Artisan Partners and three affiliated entities filed Amendment No. 7 to Schedule 13G reporting combined beneficial ownership of 2,044,476.20 shares, or 3.4%, of Twist Bioscience Corporation common stock (CUSIP 90184D100), triggered by the September 30, 2026 event date.