Position in MDXH
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$137,158
-$202,391 QoQ
Shares Held
59,634
-37.3% QoQ
Ownership
0.116%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#20
of 51 holders
Holding Since
Sep 2024
6 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in MDXH Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Mar 31, 2026CITADEL ADVISORS LLC holds $1,657,068,556 across 34 Diagnostics & Research names. MDXH ranks #34 (0.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TMO |
Thermo Fisher Scientific Inc.
|
864,489 | $424,922,277 | |
| 2 | CRL |
Charles River Laboratories International, Inc.
|
1,212,152 | $209,096,220 | |
| 3 | A |
Agilent Technologies, Inc.
|
1,801,714 | $205,359,361 | |
| 4 | DHR |
Danaher Corp /De/
|
1,026,347 | $194,595,390 | |
| 5 | MTD |
Mettler Toledo International Inc/
|
58,054 | $73,217,704 | |
| 6 | GH |
Guardant Health, Inc.
|
775,941 | $71,673,669 | |
| 7 | DGX |
Quest Diagnostics Inc
|
347,218 | $68,047,783 | |
| 8 | IQV |
Iqvia Holdings Inc.
|
390,042 | $66,517,762 |
All Filings in MDXH
Export CSV
6 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $137,158 | 59,634 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $339,549 | 95,112 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $227,561 | 48,938 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $82,835 | 37,482 | Shares | Defined | 2025-08-14 | |
| 2024-12-31 | $70,166 | 29,606 | Shares | Defined | 2025-02-14 | |
| 2024-09-30 | $145,453 | 69,930 | Shares | Defined | 2024-11-14 | |
| No filing history on record for this holder in this stock. | ||||||