Position in CSTL
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$18,925,141
+$17,105,716 QoQ
Shares Held
793,507
+970.7% QoQ
Ownership
2.60%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#11
of 176 holders
Holding Since
Dec 2024
7 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 Jun 30, 2026MACKENZIE FINANCIAL CORP holds $567,039,905 across 20 Diagnostics & Research names. CSTL ranks #5 (3.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | DHR |
Danaher Corp /De/
|
1,044,132 | $198,886,263 | |
| 2 | TMO |
Thermo Fisher Scientific Inc.
|
331,992 | $166,447,509 | |
| 3 | DGX |
Quest Diagnostics Inc
|
333,295 | $70,641,875 | |
| 4 | IDXX |
Idexx Laboratories Inc /De
|
44,162 | $23,248,643 | |
| 5 | CSTL |
Castle Biosciences Inc
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|
793,507 | $18,925,141 | |
| 6 | NTRA |
Natera, Inc.
|
53,116 | $14,418,338 | |
| 7 | A |
Agilent Technologies, Inc.
|
90,705 | $12,048,345 | |
| 8 | LH |
Labcorp Holdings Inc.
|
35,179 | $9,850,120 |
All Filings in CSTL
Export CSV
7 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $18,925,141 | 793,507 | Shares | Sole | 2026-08-13 | |
| 2026-03-31 | $1,819,425 | 74,111 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $1,451,631 | 37,317 | Shares | Sole | 2026-02-18 | |
| 2025-09-30 | $551,125 | 24,204 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 | $494,245 | 24,204 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $549,749 | 27,460 | Shares | Sole | 2025-05-07 | |
| 2024-12-31 | $560,183 | 21,020 | Shares | Sole | 2025-05-02 | |
| No filing history on record for this holder in this stock. | ||||||