Twist Bioscience Corporation (TWST)
Nasdaq: TWST · Biological Products, (No Diagnostic Substances) · South San Francisco, CA · filing with the SEC since 2013
Who owns Twist Bioscience Corporation
As filed with the SECHolders of 5% or more
7
Fmr LLC holds 13.2% of COMMON STOCK, as its SCHEDULE 13G/A filed Sep 8, 2026 says.
Directors and officers
13
report now, of 24 people on the record since 2018. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 7 named at left.
Holders of 5% or moreshare of the class, as filed
Fmr LLC
SCHEDULE 13G/A · filed Sep 8, 2026 · COMMON STOCK · 7.6% in Aug 6, 2026
Blackrock, Inc.
SCHEDULE 13G/A · filed Apr 17, 2025 · Common Stock
Artisan Partners Asset Management Inc.
SCHEDULE 13G/A · filed Aug 13, 2026 · Common Shares · 10.1% in Mar 6, 2026
T. Rowe Price Associates, Inc.
SCHEDULE 13G · filed Aug 14, 2026 · COMMON STOCK
ARK Investment Management LLC
SCHEDULE 13G/A · filed Sep 8, 2026 · Common Stock · 7.31% in Aug 14, 2026
State Street Corporation
SCHEDULE 13G · filed Nov 10, 2025 · COMMON STOCK · 4.3% in Feb 5, 2025
Vanguard Capital Management
SCHEDULE 13G · filed Apr 30, 2026 · Common Stock
EdgePoint Investment Group Inc.
SCHEDULE 13G/A · filed Aug 14, 2026 · Common stock, $0.00001 par value per share · reported falling below 5%, from 8.8% in Feb 17, 2026
Invesco LTD
SCHEDULE 13G/A · filed Aug 7, 2025 · Common Stock · reported falling below 5%
William Blair Investment Management, LLC
SCHEDULE 13G/A · filed Aug 11, 2026 · Common Stock · reported falling below 5%, from 8.6% in May 7, 2026
The Vanguard Group
SCHEDULE 13G/A · filed Mar 27, 2026 · Common Stock · reported falling below 5%
What TWST reports owning in othersstakes of 5% or more, and other ties
6 subsidiaries in 2 countries, from the list filed with the 10-K filed Nov 17, 2025.
Insider tradesForm 4
180sales
0purchases
81sales on a scheduled plan
10people selling
$148Msold, in dollars
$0bought, in dollars
Open-market trades on Form 4 from Nov 5, 2025 to Nov 5, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Nov 5, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window10 of 32 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Leproust Emily M. | Chief Executive Officer | 67 | $101M | 51 | 0 | $0 |
| Finn Patrick John | President and COO | 27 | $21.5M | 14 | 0 | $0 |
| Cho Dennis | See Remarks | 22 | $8.7M | 5 | 0 | $0 |
| Green Paula | SVP of Human Resources | 20 | $7.1M | 0 | 0 | $0 |
| Laponis Adam | Chief Financial Officer | 14 | $4.0M | 5 | 0 | $0 |
| Chess Robert | director | 3 | $2.6M | 2 | 0 | $0 |
| Werner Robert F. | Chief Accounting Officer | 19 | $1.5M | 0 | 0 | $0 |
| Johannessen Jan | director | 3 | $1.0M | 0 | 0 | $0 |
| Blake Katryn | director | 1 | $300,000 | 0 | 0 | $0 |
| Starovasnik Melissa A. | director | 4 | $300,000 | 4 | 0 | $0 |