OSTERWEIS CAPITAL MANAGEMENT INC
Position in TWST — Twist Bioscience Corp
CIK 1007524
SAN FRANCISCO, CA
Position in TWST
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$11,466,799
+$1,432,571 QoQ
Shares Held
111,458
-47.2% QoQ
Ownership
0.178%
of shares outstanding
% of Portfolio
0.62%
of 13F equity value
Holder Rank
#72
of 334 holders
Holding Since
Dec 2025
3 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, 2026OSTERWEIS CAPITAL MANAGEMENT INC holds $68,615,604 across 6 Diagnostics & Research names. TWST ranks #3 (16.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | DHR |
Danaher Corp /De/
|
186,015 | $35,432,136 | |
| 2 | GH |
Guardant Health, Inc.
|
97,320 | $14,600,919 | |
| 3 | TWST |
Twist Bioscience Corp
This page
|
111,458 | $11,466,799 | |
| 4 | LH |
Labcorp Holdings Inc.
|
25,240 | $7,067,200 | |
| 5 | A |
Agilent Technologies, Inc.
|
324 | $43,036 | |
| 6 | TMO |
Thermo Fisher Scientific Inc.
|
11 | $5,514 |
All Filings in TWST
Export CSV
3 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $11,466,799 | 111,458 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $10,034,228 | 211,158 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $8,148,170 | 256,878 | Shares | Sole | 2026-02-17 | |
| No filing history on record for this holder in this stock. | ||||||