Position in DGX
as of Mar 31, 2026
· filed May 11, 2026
Position Value
$786,317,226
+$107,237,767 QoQ
Shares Held
4,012,232
+2.5% QoQ
Ownership
3.62%
of shares outstanding
% of Portfolio
0.83%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2025
5 quarters on record
Voting authority
Sole 85.53981923278614.ToString("F0")%
Shared 0.ToString("F0")%
None 14.46018076721386.ToString("F0")%
Common Shares in DGX Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Mar 31, 2026Boston Partners holds $2,415,227,740 across 7 Diagnostics & Research names. DGX ranks #1 (32.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | DGX |
Quest Diagnostics Inc
This page
|
4,012,232 | $786,317,226 | |
| 2 | IQV |
Iqvia Holdings Inc.
|
4,238,958 | $722,911,895 | |
| 3 | LH |
Labcorp Holdings Inc.
|
2,368,796 | $632,018,459 | |
| 4 | QGEN |
Qiagen N.V.
|
3,625,691 | $145,172,666 | |
| 5 | ICLR |
Icon PLC
|
835,139 | $92,416,480 | |
| 6 | CDNA |
CareDx, Inc.
|
1,883,534 | $32,698,150 | |
| 7 | TMO |
Thermo Fisher Scientific Inc.
|
7,513 | $3,692,864 |
All Filings in DGX
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5 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $786,317,226 | 4,012,232 | Shares | Other | 2026-05-11 | |
| 2025-12-31 | $679,079,459 | 3,913,326 | Shares | Defined | 2026-02-13 | |
| 2025-09-30 | $769,348,779 | 4,036,881 | Shares | Other | 2025-11-13 | |
| 2025-06-30 | $546,047,894 | 3,039,848 | Shares | Defined | 2025-08-12 | |
| 2025-03-31 | $388,440,222 | 2,295,746 | Shares | Other | 2025-05-13 | |
| No filing history on record for this holder in this stock. | ||||||