Twist Bioscience Corp (TWST)
Who owns Twist Bioscience Corp (TWST)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 88.9% of the shares are freely tradable; institutional investors hold 123.8%.
Ownership Structure
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Artisan Partners Limited Partnership | 10.23 | 6,367,777 | +9.2 | 03/31/2026 |
| ARK Investment Management LLC | 10.19 | 6,342,733 | -16.1 | 03/31/2026 |
| Vanguard Group Inc | 9.28 | 5,776,198 | +0.1 | 12/31/2025 |
| BlackRock Inc | 8.92 | 5,554,362 | -5.8 | 03/31/2026 |
| EdgePoint Investment | 8.64 | 5,382,521 | +0.1 | 03/31/2026 |
| William Blair Investment Management, LLC | 8.46 | 5,269,718 | -11.5 | 03/31/2026 |
| State Street Corp | 5.89 | 3,670,682 | +1.2 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 4.25 | 2,649,101 | +0.0 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| ARK Disruptive Innovation Full Composite | 5.70 | 3,552,537 | -19.6 | 03/31/2026 |
| ARK Innovation ETF | 5.23 | 3,255,254 | +2.3 | 05/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| 23. Jul 2026 | Finn Patrick John | President and COO | Sell | 2,238 | 93.89 | 210,133 |
| 9. Jul 2026 | Laponis Adam | Chief Financial Officer | Sell | 2,399 | 94.33 | 226,307 |
| 22. Apr 2026 | Emily M Leproust | CEO | Sell | 8,061 | 65.29 | 526,303 |
| 21. Apr 2026 | Emily M Leproust | CEO | Sell | 1,610 | 65.01 | 104,666 |
| 17. Apr 2026 | Adam Laponis | CFO | Sell | 4,000 | 60.00 | 240,000 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character.
View all insider transactions →Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.