VANGUARD ASSET MANAGEMENT, Ltd
Position in CSTL — Castle Biosciences Inc
CIK 1680208
London, EC4N 8AF, X0
Position in CSTL
as of Mar 31, 2026
· filed May 8, 2026
Position Value
$433,381
New position
Shares Held
17,653
first reported quarter
Ownership
0.058%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2026
1 quarter on record
Voting authority
Sole 100%
Shared 0%
None 0%
Position in Diagnostics & Research
Healthcare · as of Mar 31, 2026VANGUARD ASSET MANAGEMENT, Ltd holds $1,065,088,224 across 31 Diagnostics & Research names. CSTL ranks #27 (0.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TMO |
Thermo Fisher Scientific Inc.
|
652,721 | $320,831,953 | |
| 2 | DHR |
Danaher Corp /De/
|
1,091,581 | $206,963,757 | |
| 3 | IDXX |
Idexx Laboratories Inc /De
|
139,492 | $78,379,159 | |
| 4 | A |
Agilent Technologies, Inc.
|
491,065 | $55,971,588 | |
| 5 | IQV |
Iqvia Holdings Inc.
|
297,131 | $50,672,720 | |
| 6 | WAT |
Waters Corp /De/
|
169,723 | $50,543,509 | |
| 7 | MTD |
Mettler Toledo International Inc/
|
37,105 | $46,796,826 | |
| 8 | NTRA |
Natera, Inc.
|
226,301 | $45,257,936 |
All Filings in CSTL
Export CSV
1 filing row on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $433,381 | 17,653 | Shares | Defined | 2026-05-08 | |
| No filing history on record for this holder in this stock. | ||||||