Yorktown Management & Research Co Inc
Position in TWST — Twist Bioscience Corp
CIK 1313559
Forest, VA
Position in TWST
as of Jun 30, 2026
· filed Jul 23, 2026
Position Value
$524,688
+$104,958 QoQ
Shares Held
5,100
-40.0% QoQ
Ownership
0.008%
of shares outstanding
% of Portfolio
0.34%
of 13F equity value
Holder Rank
#205
of 334 holders
Holding Since
Jun 2020
9 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in TWST Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Jun 30, 2026Yorktown Management & Research Co Inc holds $4,944,899 across 7 Diagnostics & Research names. TWST ranks #3 (10.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | GH |
Guardant Health, Inc.
|
12,500 | $1,875,375 | |
| 2 | MEDP |
Medpace Holdings, Inc.
|
1,800 | $953,262 | |
| 3 | TWST |
Twist Bioscience Corp
This page
|
5,100 | $524,688 | |
| 4 | VCYT |
Veracyte, Inc.
|
7,750 | $455,157 | |
| 5 | BLLN |
BillionToOne, Inc.
|
3,450 | $413,931 | |
| 6 | GRAL |
GRAIL, Inc.
|
5,750 | $392,552 | |
| 7 | RDNT |
RadNet, Inc.
|
5,350 | $329,934 |
All Filings in TWST
Export CSV
9 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $524,688 | 5,100 | Shares | Sole | 2026-07-23 | |
| 2022-03-31 | $419,730 | 8,500 | Shares | Sole | 2022-04-29 | |
| 2021-12-31 | $657,815 | 8,500 | Shares | Sole | 2022-02-09 | |
| 2021-09-30 | $909,245 | 8,500 | Shares | Sole | 2021-11-04 | |
| 2021-06-30 | $1,066,000 | 8,000 | Shares | Sole | 2021-08-03 | |
| 2021-03-31 | $867,020 | 7,000 | Shares | Sole | 2021-05-11 | |
| 2020-12-31 | $1,031,417 | 7,300 | Shares | Sole | 2021-02-11 | |
| 2020-09-30 | $554,581 | 7,300 | Shares | Sole | 2020-11-06 | |
| 2020-06-30 | $276,330 | 6,100 | Shares | Sole | 2020-08-11 | |
| No filing history on record for this holder in this stock. | ||||||