Position in CSTL
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$497,947
-$362,715 QoQ
Shares Held
20,283
-8.3% QoQ
Ownership
0.067%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2023
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 Mar 31, 2026XTX Topco Ltd holds $41,083,084 across 30 Diagnostics & Research names. CSTL ranks #20 (1.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | DHR |
Danaher Corp /De/
|
48,954 | $9,281,678 | |
| 2 | QGEN |
Qiagen N.V.
|
139,964 | $5,604,158 | |
| 3 | IDXX |
Idexx Laboratories Inc /De
|
4,485 | $2,520,076 | |
| 4 | A |
Agilent Technologies, Inc.
|
21,899 | $2,496,048 | |
| 5 | ILMN |
Illumina, Inc.
|
15,786 | $1,945,782 | |
| 6 | MEDP |
Medpace Holdings, Inc.
|
3,716 | $1,784,386 | |
| 7 | LH |
Labcorp Holdings Inc.
|
6,546 | $1,746,538 | |
| 8 | FLGT |
Fulgent Genetics, Inc.
|
92,499 | $1,470,734 |
All Filings in CSTL
Export CSV
7 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $497,947 | 20,283 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $860,662 | 22,125 | Shares | Defined | 2026-02-17 | |
| 2025-06-30 | $945,466 | 46,301 | Shares | Defined | 2025-08-12 | |
| 2025-03-31 | $392,952 | 19,628 | Shares | Defined | 2025-05-08 | |
| 2024-06-30 | $217,765 | 10,003 | Shares | Defined | 2024-08-12 | |
| 2023-12-31 | $305,249 | 14,145 | Shares | Defined | 2024-02-13 | |
| 2023-03-31 | $369,290 | 16,254 | Shares | Defined | 2023-05-12 | |
| No filing history on record for this holder in this stock. | ||||||