Position in CSTL
as of Jun 30, 2026
· filed Aug 6, 2026
Position Value
$755,543
+$526,861 QoQ
Shares Held
31,679
+240.1% QoQ
Ownership
0.104%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#73
of 176 holders
Holding Since
Mar 2020
21 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, 2026Russell Investments Group, Ltd. holds $1,196,770,888 across 31 Diagnostics & Research names. CSTL ranks #29 (0.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | DHR |
Danaher Corp /De/
|
1,063,156 | $202,509,948 | |
| 2 | TMO |
Thermo Fisher Scientific Inc.
|
337,909 | $169,414,050 | |
| 3 | MTD |
Mettler Toledo International Inc/
|
122,114 | $156,001,846 | |
| 4 | IDXX |
Idexx Laboratories Inc /De
|
230,683 | $121,440,751 | |
| 5 | ICLR |
Icon PLC
|
599,198 | $104,086,679 | |
| 6 | A |
Agilent Technologies, Inc.
|
749,294 | $99,528,714 | |
| 7 | NTRA |
Natera, Inc.
|
165,589 | $44,949,128 | |
| 8 | LH |
Labcorp Holdings Inc.
|
141,635 | $39,657,800 |
All Filings in CSTL
Export CSV
21 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $755,543 | 31,679 | Shares | Defined | 2026-08-06 | |
| 2026-03-31 | $228,682 | 9,315 | Shares | Defined | 2026-05-08 | |
| 2025-12-31 | $96,783 | 2,488 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $57,106 | 2,508 | Shares | Defined | 2025-11-13 | |
| 2025-06-30 | $31,282 | 1,532 | Shares | Other | 2025-08-13 | |
| 2025-03-31 | $373,752 | 18,669 | Shares | Other | 2025-05-13 | |
| 2024-12-31 | $192,197 | 7,212 | Shares | Other | 2025-02-13 | |
| 2024-09-30 | $723,665 | 25,374 | Shares | Sole | 2024-11-13 | |
| 2024-06-30 | $751,171 | 34,505 | Shares | Defined | 2024-08-08 | |
| 2024-03-31 | $701,997 | 31,693 | Shares | Sole | 2024-05-08 | |
| 2023-12-31 | $690,191 | 31,983 | Shares | Defined | 2024-02-05 | |
| 2023-09-30 | $489,555 | 28,985 | Shares | Defined | 2023-11-13 | |
| 2023-06-30 | $105,918 | 7,720 | Shares | Sole | 2023-08-10 | |
| 2022-09-30 | $2,257,248 | 86,551 | Shares | Defined | 2022-11-04 | |
| 2021-09-30 | $5,903,469 | 88,774 | Shares | Defined | 2021-11-08 | |
| 2021-06-30 | $5,712,185 | 77,897 | Shares | Defined | 2021-08-04 | |
| 2021-03-31 | $5,477,551 | 80,011 | Shares | Defined | 2021-05-10 | |
| 2020-12-31 | $7,412,352 | 110,385 | Shares | Defined | 2021-02-08 | |
| 2020-09-30 | $5,605,424 | 108,949 | Shares | Defined | 2020-11-09 | |
| 2020-06-30 | $3,405,440 | 90,354 | Shares | Defined | 2020-08-05 | |
| 2020-03-31 | $2,276,528 | 76,368 | Shares | Defined | 2020-05-06 | |
| No filing history on record for this holder in this stock. | ||||||