Position in DGX
as of Mar 31, 2026
· filed May 11, 2026
Position Value
$146,005
+$140,626 QoQ
Shares Held
745
+2303.2% QoQ
Ownership
0.001%
of shares outstanding
% of Portfolio
0.08%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2025
5 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 Mar 31, 2026Rossby Financial, LCC holds $1,439,717 across 18 Diagnostics & Research names. DGX ranks #5 (10.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TMO |
Thermo Fisher Scientific Inc.
|
566 | $278,205 | |
| 2 | ILMN |
Illumina, Inc.
|
2,047 | $252,313 | |
| 3 | IDXX |
Idexx Laboratories Inc /De
|
299 | $168,005 | |
| 4 | LH |
Labcorp Holdings Inc.
|
614 | $163,821 | |
| 5 | DGX |
Quest Diagnostics Inc
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|
745 | $146,005 | |
| 6 | DHR |
Danaher Corp /De/
|
764 | $144,854 | |
| 7 | MTD |
Mettler Toledo International Inc/
|
60 | $75,672 | |
| 8 | A |
Agilent Technologies, Inc.
|
492 | $56,078 |
All Filings in DGX
Export CSV
5 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $146,005 | 745 | Shares | Sole | 2026-05-11 | |
| 2025-12-31 | $5,379 | 31 | Shares | Sole | 2026-02-12 | |
| 2025-09-30 | $22,107 | 116 | Shares | Sole | 2025-11-10 | |
| 2025-06-30 | $20,837 | 116 | Shares | Sole | 2025-08-01 | |
| 2025-03-31 | $19,627 | 116 | Shares | Sole | 2025-04-28 | |
| No filing history on record for this holder in this stock. | ||||||