Position in CSTL
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$860,378
-$685,001 QoQ
Shares Held
35,046
-11.8% QoQ
Ownership
0.116%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
18 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, 2026SEI INVESTMENTS CO holds $1,069,002,182 across 33 Diagnostics & Research names. CSTL ranks #27 (0.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TMO |
Thermo Fisher Scientific Inc.
|
304,642 | $149,740,681 | |
| 2 | DHR |
Danaher Corp /De/
|
703,077 | $133,303,399 | |
| 3 | CRL |
Charles River Laboratories International, Inc.
|
757,129 | $130,604,752 | |
| 4 | ICLR |
Icon PLC
|
757,489 | $83,823,731 | |
| 5 | QGEN |
Qiagen N.V.
|
1,766,782 | $70,741,950 | |
| 6 | RVTY |
Revvity, Inc.
|
703,406 | $61,625,399 | |
| 7 | LH |
Labcorp Holdings Inc.
|
223,715 | $59,689,397 | |
| 8 | WAT |
Waters Corp /De/
|
197,565 | $58,834,856 |
All Filings in CSTL
Export CSV
18 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $860,378 | 35,046 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $1,545,379 | 39,727 | Shares | Defined | 2026-02-13 | |
| 2025-09-30 | $609,575 | 26,771 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 | $635,674 | 31,130 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $1,462,640 | 73,059 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $1,105,734 | 41,491 | Shares | Sole | 2025-02-11 | |
| 2024-09-30 | $1,080,165 | 37,874 | Shares | Sole | 2024-11-12 | |
| 2023-06-30 | $1,509,130 | 109,995 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $2,188,548 | 96,327 | Shares | Sole | 2023-05-12 | |
| 2022-09-30 | $2,311,339 | 88,625 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $2,335,128 | 106,384 | Shares | Sole | 2022-08-15 | |
| 2021-09-30 | $623,371 | 9,374 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $810,223 | 11,049 | Shares | Sole | 2021-08-06 | |
| 2021-03-31 | $814,742 | 11,901 | Shares | Sole | 2021-05-12 | |
| 2020-12-31 | $584,070 | 8,698 | Shares | Sole | 2021-02-08 | |
| 2020-09-30 | $878,302 | 17,071 | Shares | Defined | 2020-12-04 | |
| 2020-06-30 | $485,144 | 12,872 | Shares | Defined | 2020-08-17 | |
| 2020-03-31 | $493,832 | 16,566 | Shares | Defined | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||