Position in ICLR
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$155,123
-$16,953 QoQ
Shares Held
893
-42.6% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#314
of 422 holders
Holding Since
Mar 2021
10 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in ICLR Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Jun 30, 2026GROUP ONE TRADING LLC holds $17,681,744 across 13 Diagnostics & Research names. ICLR ranks #8 (0.9% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | NTRA |
Natera, Inc.
|
27,704 | $7,520,250 | |
| 2 | DHR |
Danaher Corp /De/
|
31,163 | $5,935,928 | |
| 3 | ILMN |
Illumina, Inc.
|
15,390 | $2,706,023 | |
| 4 | CRL |
Charles River Laboratories International, Inc.
|
1,573 | $356,740 | |
| 5 | IQV |
Iqvia Holdings Inc.
|
1,665 | $321,711 | |
| 6 | TMO |
Thermo Fisher Scientific Inc.
|
437 | $219,094 | |
| 7 | GRAL |
GRAIL, Inc.
|
2,326 | $158,796 | |
| 8 | ICLR |
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This page
|
893 | $155,123 |
All Filings in ICLR
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10 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $155,123 | 893 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $172,076 | 1,555 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $651,800 | 3,577 | Shares | Sole | 2026-02-12 | |
| 2025-03-31 | $560,317 | 3,202 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $5,662 | 27 | Shares | Sole | 2025-05-14 | |
| 2024-09-30 | $61,197 | 213 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $62,694 | 200 | Shares | Sole | 2024-08-14 | |
| 2021-12-31 | $522,773 | 1,688 | Shares | Sole | 2022-02-11 | |
| 2021-06-30 | $2,852,598 | 13,800 | Shares | Sole | 2021-08-10 | |
| 2021-03-31 | $746,206 | 3,800 | Shares | Sole | 2021-05-12 | |
| No filing history on record for this holder in this stock. | ||||||