Position in GRAL
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$158,796
-$332,042 QoQ
Shares Held
2,326
-72.0% QoQ
Ownership
0.005%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#214
of 371 holders
Holding Since
Sep 2024
5 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in GRAL 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. GRAL ranks #7 (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.
This page
|
2,326 | $158,796 | |
| 8 | ICLR |
Icon PLC
|
893 | $155,123 |
All Filings in GRAL
Export CSV
5 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $158,796 | 2,326 | Shares | Sole | 2026-08-14 | |
| 2025-09-30 | $490,838 | 8,301 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $114,512 | 2,227 | Shares | Sole | 2025-08-14 | |
| 2024-12-31 | $309,447 | 17,336 | Shares | Sole | 2025-05-14 | |
| 2024-09-30 | $107,658 | 7,824 | Shares | Sole | 2024-11-14 | |
| No filing history on record for this holder in this stock. | ||||||