Twist Bioscience (TWST)
Writes synthetic DNA on silicon for sequencing workflows, biological research, and antibody discovery.
$158.35
vs last close−6.25 (−3.80%)
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13F · 13D/G · Form 4
| Institutions | ≈ 120.02% | 75.26M shares | |
|---|---|---|---|
| 348 holders · as of Jun 30, 2026 · largest filers plus last quarter's tail | |||
| Insiders | 2.14% | 1.34M shares | |
| 13 holders · as of Sep 21, 2026 | |||
| Strategic holders | 9.91% | 6.22M shares | |
| 1 holder · as of Mar 6, 2026 | |||
| Adds to | 132.07% | ||
62.71M company shares as of Sep 23, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing
This quarter's institutional total failed a plausibility check; shown: the largest filers plus last quarter's remainder.
These groups come from separate filings that can overlap, so they add to 132.07%; nothing is left for Other.
13F, as of Jun 30, 2026
348 holders · 75.26M shares · 94 new positions · 194 increased · 101 reduced · 35 closed
| Holder | Shares | % outstanding | Chg q/q | Filed |
|---|---|---|---|---|
| BlackRock, Inc. | 5.83M | 9.30% | +279.5K | Aug 7, 2026 |
| Artisan Partners Limited Partnership | 4.80M | 7.66% | −1.57M | Aug 13, 2026 |
| FMR LLC | 4.70M | 7.50% | +2.81M | Aug 13, 2026 |
| Ark Investment Management LLC | 4.55M | 7.26% | −1.79M | Aug 14, 2026 |
| Price T Rowe Associates Inc /MD/ | 3.63M | 5.80% | +3.56M | Aug 14, 2026 |
| State Street Corp | 3.23M | 5.15% | −438.2K | Aug 7, 2026 |
| Vanguard Portfolio Management LLC | 2.82M | 4.51% | +175.9K | Aug 13, 2026 |
| Vanguard Capital Management LLC | 2.70M | 4.30% | +60.2K | Aug 13, 2026 |
13D/G · 5% or more, as filed
| Holder | % of class | Shares | Form | Filed |
|---|---|---|---|---|
| FMR LLC | 13.20% | 8.76M | 13G | Sep 8, 2026 |
| Artisan Partners Asset Management Inc. | 10.10% | 6.22M | 13G | Mar 6, 2026 |
| EdgePoint Investment Group Inc. | 8.80% | 5.38M | 13G | Feb 17, 2026 |
| William Blair Investment Management, LLC | 8.60% | 5.27M | 13G | May 7, 2026 |
| BlackRock, Inc. | 8.30% | 4.93M | 13G | Apr 17, 2025 |
| T. Rowe Price Associates, Inc. | 5.80% | 3.63M | 13G | Aug 14, 2026 |
| ARK Investment Management LLC | 5.11% | 3.39M | 13G | Sep 8, 2026 |
| State Street Corporation | 5.10% | 3.09M | 13G | Nov 10, 2025 |
| Vanguard Capital Management | 5.05% | 3.10M | 13G | Apr 30, 2026 |
Form 4
Latest trades
| Date | Insider | Type | Shares | Avg price | Owned after |
|---|---|---|---|---|---|
| Sep 17, 2026 | Emily M. Leproustdirector, officer: Chief Executive Officer | Sale · 13 lots | 356,546 | $157.99 | 620,589 |
| Sep 8, 2026 | Robert F. Wernerofficer: Chief Accounting Officer | Sale | 238 | $122.62 | 44,399 |
| Sep 8, 2026 | Emily M. Leproustdirector, officer: Chief Executive Officer | Sale | 2,302 | $122.62 | 768,427 |
| Sep 8, 2026 | Paula Greenofficer: SVP of Human Resources | Sale | 907 | $122.62 | 117,014 |
| Sep 8, 2026 | Dennis Choofficer: See Remarks | Sale | 412 | $122.62 | 73,651 |
| Aug 25, 2026 | Emily M. Leproustdirector, officer: Chief Executive Officer | Sale · 5 lots | 41,570 | $151.98 | 770,729 |
| Aug 24, 2026 | Robert F. Wernerofficer: Chief Accounting Officer | Sale | 854 | $140.77 | 44,637 |
| Aug 21, 2026 | Robert F. Wernerofficer: Chief Accounting Officer | Sale | 669 | $139.07 | 45,491 |
| Aug 21, 2026 | Emily M. Leproustdirector, officer: Chief Executive Officer | Sale | 6,639 | $139.07 | 812,299 |
| Aug 21, 2026 | Adam Laponisofficer: Chief Financial Officer | Sale | 1,965 | $139.07 | 108,633 |
House and Senate disclosures
Not reported.