Robeco Institutional Asset Management B.V.
Position in IDXX — Idexx Laboratories Inc /De
CIK 1418773
ROTTERDAM, P7
Position in IDXX
as of Mar 31, 2026
· filed Apr 21, 2026
Position Value
$106,624,246
-$19,296,253 QoQ
Shares Held
189,760
+2.0% QoQ
Ownership
0.241%
of shares outstanding
% of Portfolio
0.16%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 92.4699620573356.ToString("F0")%
Shared 0.ToString("F0")%
None 7.530037942664418.ToString("F0")%
Common Shares in IDXX Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Mar 31, 2026Robeco Institutional Asset Management B.V. holds $811,146,738 across 13 Diagnostics & Research names. IDXX ranks #3 (13.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TMO |
Thermo Fisher Scientific Inc.
|
634,639 | $311,944,107 | |
| 2 | DHR |
Danaher Corp /De/
|
1,152,606 | $218,534,097 | |
| 3 | IDXX |
Idexx Laboratories Inc /De
This page
|
189,760 | $106,624,246 | |
| 4 | NTRA |
Natera, Inc.
|
405,713 | $81,138,542 | |
| 5 | IQV |
Iqvia Holdings Inc.
|
177,005 | $30,186,432 | |
| 6 | DGX |
Quest Diagnostics Inc
|
112,412 | $22,030,503 | |
| 7 | WAT |
Waters Corp /De/
|
41,356 | $12,315,816 | |
| 8 | MTD |
Mettler Toledo International Inc/
|
7,871 | $9,926,905 |
All Filings in IDXX
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $106,624,246 | 189,760 | Shares | Defined | 2026-04-21 | |
| 2025-12-31 | $125,920,499 | 186,127 | Shares | Defined | 2026-01-23 | |
| 2025-09-30 | $131,941,007 | 206,516 | Shares | Defined | 2025-10-22 | |
| 2025-06-30 | $111,144,665 | 207,228 | Shares | Defined | 2025-07-18 | |
| 2025-03-31 | $62,252,128 | 148,237 | Shares | Defined | 2025-04-23 | |
| 2024-12-31 | $71,247,288 | 172,328 | Shares | Defined | 2025-01-23 | |
| 2024-09-30 | $117,595,007 | 232,760 | Shares | Defined | 2024-10-29 | |
| 2024-06-30 | $115,054,716 | 236,155 | Shares | Defined | 2024-07-23 | |
| 2024-03-31 | $151,974,097 | 281,470 | Shares | Defined | 2024-04-24 | |
| 2023-12-31 | $138,993,400 | 250,416 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $121,080,937 | 276,902 | Shares | Defined | 2023-10-24 | |
| 2023-06-30 | $143,550,391 | 285,826 | Shares | Defined | 2023-07-24 | |
| 2023-03-31 | $138,682,185 | 277,320 | Shares | Defined | 2023-05-04 | |
| 2022-12-31 | $105,226,346 | 257,933 | Shares | Defined | 2023-02-07 | |
| 2022-09-30 | $112,559,990 | 345,488 | Shares | Defined | 2022-12-01 | |
| 2022-06-30 | $104,564,187 | 298,133 | Shares | Defined | 2022-12-01 | |
| 2022-03-31 | $186,206,094 | 340,376 | Shares | Defined | 2022-12-01 | |
| 2021-12-31 | $235,255,247 | 357,281 | Shares | Defined | 2022-12-01 | |
| 2021-09-30 | $168,539,875 | 271,008 | Shares | Defined | 2022-12-01 | |
| 2021-06-30 | $197,594,943 | 312,873 | Shares | Defined | 2022-12-01 | |
| 2021-03-31 | $172,061,457 | 351,641 | Shares | Defined | 2022-12-01 | |
| 2020-12-31 | $167,649,399 | 335,386 | Shares | Defined | 2022-12-01 | |
| 2020-09-30 | $118,742,020 | 302,058 | Shares | Defined | 2021-01-19 | |
| 2020-06-30 | $88,547,591 | 268,196 | Shares | Defined | 2021-01-19 | |
| 2020-03-31 | $72,863,854 | 300,792 | Shares | Defined | 2021-01-19 | |
| No filing history on record for this holder in this stock. | ||||||