Connor, Clark & Lunn Investment Management Ltd.
Position in CSTL — Castle Biosciences Inc
CIK 1596800
VANCOUVER, A1
Position in CSTL
as of Mar 31, 2026
· filed May 11, 2026
Position Value
$9,257,363
-$5,854,936 QoQ
Shares Held
377,082
-2.9% QoQ
Ownership
1.24%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2022
16 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, 2026Connor, Clark & Lunn Investment Management Ltd. holds $199,549,511 across 18 Diagnostics & Research names. CSTL ranks #6 (4.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MEDP |
Medpace Holdings, Inc.
|
134,838 | $64,747,859 | |
| 2 | ILMN |
Illumina, Inc.
|
202,742 | $24,989,978 | |
| 3 | DHR |
Danaher Corp /De/
|
129,426 | $24,539,169 | |
| 4 | GH |
Guardant Health, Inc.
|
254,788 | $23,534,767 | |
| 5 | CRL |
Charles River Laboratories International, Inc.
|
54,570 | $9,413,325 | |
| 6 | CSTL |
Castle Biosciences Inc
This page
|
377,082 | $9,257,363 | |
| 7 | NEO |
Neogenomics Inc
|
938,052 | $6,960,345 | |
| 8 | CDNA |
CareDx, Inc.
|
370,183 | $6,426,376 |
All Filings in CSTL
Export CSV
16 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $9,257,363 | 377,082 | Shares | Sole | 2026-05-11 | |
| 2025-12-31 | $15,112,299 | 388,491 | Shares | Sole | 2026-02-10 | |
| 2025-09-30 | $7,648,238 | 335,891 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 | $2,581,721 | 126,431 | Shares | Sole | 2025-08-07 | |
| 2025-03-31 | $3,541,317 | 176,889 | Shares | Sole | 2025-05-12 | |
| 2024-12-31 | $4,496,201 | 168,713 | Shares | Sole | 2025-02-10 | |
| 2024-09-30 | $4,718,862 | 165,458 | Shares | Sole | 2024-11-08 | |
| 2024-06-30 | $1,456,129 | 66,887 | Shares | Sole | 2024-08-09 | |
| 2024-03-31 | $1,720,102 | 77,657 | Shares | Sole | 2024-05-09 | |
| 2023-12-31 | $1,911,340 | 88,570 | Shares | Sole | 2024-02-09 | |
| 2023-09-30 | $1,361,080 | 80,585 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $844,397 | 61,545 | Shares | Sole | 2023-08-10 | |
| 2023-03-31 | $958,375 | 42,182 | Shares | Sole | 2023-05-10 | |
| 2022-12-31 | $662,509 | 28,144 | Shares | Sole | 2023-02-10 | |
| 2022-09-30 | $602,213 | 23,091 | Shares | Sole | 2022-11-10 | |
| 2022-06-30 | $427,212 | 19,463 | Shares | Sole | 2022-08-05 | |
| No filing history on record for this holder in this stock. | ||||||