Position in DGX
as of Jun 30, 2026
· filed Aug 12, 2026
Position Value
$619,741
+$502,937 QoQ
Shares Held
2,924
+390.6% QoQ
Ownership
0.003%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#593
of 1,096 holders
Holding Since
Mar 2020
14 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in DGX Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Jun 30, 2026SIMPLEX TRADING, LLC holds $16,923,725 across 22 Diagnostics & Research names. DGX ranks #8 (3.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | CRL |
Charles River Laboratories International, Inc.
|
19,196 | $4,353,460 | |
| 2 | NTRA |
Natera, Inc.
|
14,519 | $3,941,182 | |
| 3 | IQV |
Iqvia Holdings Inc.
|
10,126 | $1,956,545 | |
| 4 | MTD |
Mettler Toledo International Inc/
|
1,327 | $1,695,255 | |
| 5 | TMO |
Thermo Fisher Scientific Inc.
|
2,213 | $1,109,509 | |
| 6 | QGEN |
Qiagen N.V.
|
26,002 | $1,016,678 | |
| 7 | NEO |
Neogenomics Inc
|
54,589 | $796,453 | |
| 8 | DGX |
Quest Diagnostics Inc
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|
2,924 | $619,741 |
All Filings in DGX
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14 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $619,741 | 2,924 | Shares | Sole | 2026-08-12 | |
| 2026-03-31 | $116,804 | 596 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $860,361 | 4,958 | Shares | Sole | 2026-02-11 | |
| 2025-09-30 | $154,560 | 811 | Shares | Sole | 2025-11-12 | |
| 2025-03-31 | $889,822 | 5,259 | Shares | Sole | 2025-05-12 | |
| 2024-12-31 | $164,135 | 1,088 | Shares | Sole | 2025-02-11 | |
| 2024-03-31 | $1,883,240 | 14,148 | Shares | Sole | 2024-04-25 | |
| 2023-03-31 | $462,781 | 3,271 | Shares | Sole | 2023-04-27 | |
| 2022-06-30 | $191,092 | 1,437 | Shares | Sole | 2022-08-03 | |
| 2022-03-31 | $1,146,065 | 8,374 | Shares | Sole | 2022-05-02 | |
| 2021-06-30 | $74,035 | 561 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $7,058 | 55 | Shares | Sole | 2021-04-26 | |
| 2020-06-30 | $43,874 | 385 | Shares | Sole | 2020-07-13 | |
| 2020-03-31 | $1,563,200 | 19,467 | Shares | Sole | 2020-04-29 | |
| No filing history on record for this holder in this stock. | ||||||