Position in DGX
as of Jun 30, 2026
· filed Aug 4, 2026
Position Value
$1,005,591,051
+$219,273,825 QoQ
Shares Held
4,744,473
+18.3% QoQ
Ownership
4.30%
of shares outstanding
% of Portfolio
0.90%
of 13F equity value
Holder Rank
#6
of 1,095 holders
Holding Since
Mar 2025
6 quarters on record
Voting authority
Sole 87%
Shared 0%
None 13%
Common Shares in DGX Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Jun 30, 2026Boston Partners holds $3,083,291,652 across 9 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
|
4,744,473 | $1,005,591,051 | |
| 2 | IQV |
Iqvia Holdings Inc.
|
4,466,016 | $862,923,609 | |
| 3 | LH |
Labcorp Holdings Inc.
|
3,051,690 | $854,473,200 | |
| 4 | ICLR |
Icon PLC
|
1,620,730 | $281,537,007 | |
| 5 | CDNA |
CareDx, Inc.
|
1,937,601 | $55,221,628 | |
| 6 | A |
Agilent Technologies, Inc.
|
122,187 | $16,230,099 | |
| 7 | TMO |
Thermo Fisher Scientific Inc.
|
10,819 | $5,424,213 | |
| 8 | QGEN |
Qiagen N.V.
|
28,267 | $1,105,239 |
All Filings in DGX
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6 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,005,591,051 | 4,744,473 | Shares | Other | 2026-08-04 | |
| 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. | ||||||