SCHEDULE: William Blair Investment Management Updates Stake in Twist Bioscience

William Blair Investment Management, LLC has filed an amendment to its Schedule 13G, reporting its beneficial ownership of Twist Bioscience Corp. common stock as of June 30, 2026.

Summary

• William Blair Investment Management, LLC has filed an amendment (Amendment No. 3) to its Schedule 13G filing.
• The filing reports beneficial ownership of Twist Bioscience Corp. common stock.
• The date of the event requiring this filing is June 30, 2026.
• William Blair Investment Management, LLC is organized in Delaware.
• The filing indicates they hold 2,174,594 shares, representing 3.5% of the class of securities.
• They have sole voting power over 1,975,454 shares and sole dispositive power over 2,174,594 shares.

Sentiment

Score: 3

Explanation: StockSavvy.ai views this as a neutral filing, primarily an update on beneficial ownership without significant new strategic or financial information.

Positives

• William Blair Investment Management, LLC maintains a significant, though not controlling, stake in Twist Bioscience Corp.
• The filing confirms continued investment interest from a notable institutional investor.

Negatives

• The filing does not provide new financial performance data or strategic insights for Twist Bioscience Corp.
• The ownership percentage (3.5%) suggests a passive investment rather than an activist stance.

Risks

• The filing does not explicitly mention any new risks or challenges for Twist Bioscience Corp.

Future Outlook

This filing is an update on beneficial ownership and does not contain forward-looking statements or guidance regarding Twist Bioscience Corp.'s future performance.

Management Comments

• "By signing below I certify that, to the best of my knowledge and belief, the securities referred to above 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 of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under 240.14a-11."
• "After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct."

Industry Context

StockSavvy.ai notes that Schedule 13G filings are routine for institutional investors crossing certain ownership thresholds. This filing indicates William Blair Investment Management, LLC's continued, albeit passive, interest in the biotechnology sector, specifically in companies like Twist Bioscience Corp. that are involved in synthetic biology and DNA synthesis.

Comparison to Industry Standards

• As a Schedule 13G filing, it reports beneficial ownership percentages. A 3.5% stake is a common threshold for institutional investors to report passively. Many large-cap technology and biotech companies have multiple institutional investors holding stakes in this range.

Stakeholder Impact

• Shareholders: The filing provides transparency on institutional ownership, which can be a factor in investor sentiment. The 3.5% stake by William Blair Investment Management, LLC is noted.
• Management: The filing confirms a significant institutional investor's holdings, which can influence board decisions and strategic considerations.

Next Steps

• William Blair Investment Management, LLC will continue to monitor its investment in Twist Bioscience Corp. and may file further amendments to Schedule 13G if ownership levels change significantly.

Key Dates

Keywords

Beneficial Ownership, Schedule 13G, Investment Management, Institutional Investor, Common Stock, Securities Ownership