Position in CSTL
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$927,793
-$400,175 QoQ
Shares Held
37,792
+10.7% QoQ
Ownership
0.125%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2020
22 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in CSTL Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Mar 31, 2026PRICE T ROWE ASSOCIATES INC /MD/ holds $13,516,048,817 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.
|
6,315,471 | $3,104,243,460 | |
| 2 | DHR |
Danaher Corp /De/
|
15,352,887 | $2,910,907,374 | |
| 3 | NTRA |
Natera, Inc.
|
12,184,876 | $2,436,853,350 | |
| 4 | DGX |
Quest Diagnostics Inc
|
6,297,987 | $1,234,279,491 | |
| 5 | RVTY |
Revvity, Inc.
|
10,090,158 | $883,998,742 | |
| 6 | GH |
Guardant Health, Inc.
|
7,023,689 | $648,778,152 | |
| 7 | MTD |
Mettler Toledo International Inc/
|
305,763 | $385,628,295 | |
| 8 | IDXX |
Idexx Laboratories Inc /De
|
638,063 | $358,521,218 |
All Filings in CSTL
Export CSV
22 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $927,793 | 37,792 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $1,327,968 | 34,138 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $742,142 | 32,593 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $539,230 | 26,407 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $474,574 | 23,705 | Shares | Defined | 2025-05-14 | |
| 2024-12-31 | $604,875 | 22,697 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $594,927 | 20,860 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $449,506 | 20,648 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $399,453 | 18,034 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $364,766 | 16,903 | Shares | Defined | 2024-02-16 | |
| 2023-09-30 | $278,262 | 16,475 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $212,193 | 15,466 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $347,252 | 15,284 | Shares | Defined | 2023-05-15 | |
| 2022-12-31 | $352,652 | 14,981 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $432,823 | 16,596 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $299,376 | 13,639 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $613,101 | 13,667 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $426,299 | 9,944 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $447,877 | 6,735 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $393,928 | 5,372 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $313,546 | 4,580 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $261,952 | 3,901 | Shares | Sole | 2021-02-16 | |
| No filing history on record for this holder in this stock. | ||||||