KORNITZER CAPITAL MANAGEMENT INC /KS
Position in CSTL — Castle Biosciences Inc
CIK 898358
SHAWNEE MISSION, KS
Position in CSTL
as of Jun 30, 2026
· filed Jul 31, 2026
Position Value
$6,302,004
-$188,917 QoQ
Shares Held
264,235
-0.1% QoQ
Ownership
0.865%
of shares outstanding
% of Portfolio
0.13%
of 13F equity value
Holder Rank
#28
of 176 holders
Holding Since
Jun 2020
25 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, 2026KORNITZER CAPITAL MANAGEMENT INC /KS holds $41,732,180 across 10 Diagnostics & Research names. CSTL ranks #4 (15.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | NTRA |
Natera, Inc.
|
25,637 | $6,959,163 | |
| 2 | IDXX |
Idexx Laboratories Inc /De
|
12,704 | $6,687,893 | |
| 3 | MEDP |
Medpace Holdings, Inc.
|
12,455 | $6,596,043 | |
| 4 | CSTL |
Castle Biosciences Inc
This page
|
264,235 | $6,302,004 | |
| 5 | GH |
Guardant Health, Inc.
|
37,245 | $5,587,867 | |
| 6 | TMO |
Thermo Fisher Scientific Inc.
|
5,072 | $2,542,897 | |
| 7 | DHR |
Danaher Corp /De/
|
12,210 | $2,325,760 | |
| 8 | A |
Agilent Technologies, Inc.
|
16,075 | $2,135,242 |
All Filings in CSTL
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $6,302,004 | 264,235 | Shares | Sole | 2026-07-31 | |
| 2026-03-31 | $6,490,921 | 264,396 | Shares | Sole | 2026-04-30 | |
| 2025-12-31 | $10,414,813 | 267,733 | Shares | Sole | 2026-02-02 | |
| 2025-09-30 | $6,337,209 | 278,314 | Shares | Sole | 2025-10-31 | |
| 2025-06-30 | $5,683,171 | 278,314 | Shares | Sole | 2025-07-31 | |
| 2025-03-31 | $5,571,846 | 278,314 | Shares | Sole | 2025-05-02 | |
| 2024-12-31 | $10,232,907 | 383,974 | Shares | Sole | 2025-01-31 | |
| 2024-09-30 | $11,614,427 | 407,238 | Shares | Sole | 2024-10-31 | |
| 2024-06-30 | $11,818,366 | 542,874 | Shares | Sole | 2024-08-02 | |
| 2024-03-31 | $12,024,659 | 542,874 | Shares | Sole | 2024-05-02 | |
| 2023-12-31 | $11,715,220 | 542,874 | Shares | Sole | 2024-01-31 | |
| 2023-09-30 | $10,948,503 | 648,224 | Shares | Sole | 2023-10-31 | |
| 2023-06-30 | $8,893,633 | 648,224 | Shares | Sole | 2023-08-01 | |
| 2023-03-31 | $14,727,649 | 648,224 | Shares | Sole | 2023-05-09 | |
| 2022-12-31 | $16,860,383 | 716,244 | Shares | Sole | 2023-02-02 | |
| 2022-09-30 | $16,279,031 | 624,196 | Shares | Sole | 2022-11-03 | |
| 2022-06-30 | $14,081,188 | 641,512 | Shares | Sole | 2022-08-03 | |
| 2022-03-31 | $19,933,182 | 444,342 | Shares | Sole | 2022-04-27 | |
| 2021-12-31 | $19,048,941 | 444,342 | Shares | Sole | 2022-02-01 | |
| 2021-09-30 | $22,863,830 | 343,817 | Shares | Sole | 2021-11-03 | |
| 2021-06-30 | $25,212,100 | 343,817 | Shares | Sole | 2021-07-30 | |
| 2021-03-31 | $18,201,939 | 265,877 | Shares | Sole | 2021-04-30 | |
| 2020-12-31 | $11,668,118 | 173,762 | Shares | Sole | 2021-01-29 | |
| 2020-09-30 | $8,251,293 | 160,375 | Shares | Sole | 2020-10-30 | |
| 2020-06-30 | $5,106,241 | 135,480 | Shares | Sole | 2020-08-03 | |
| No filing history on record for this holder in this stock. | ||||||