PRICE T ROWE ASSOCIATES INC /MD/
Position in IDXX — Idexx Laboratories Inc /De
CIK 80255
BALTIMORE, MD
Position in IDXX
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$358,521,218
-$285,686,207 QoQ
Shares Held
638,063
-33.0% QoQ
Ownership
0.809%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 95.63585413979497.ToString("F0")%
Shared 0.ToString("F0")%
None 4.364145860205026.ToString("F0")%
Common Shares in IDXX Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Mar 31, 2026PRICE T ROWE ASSOCIATES INC /MD/ holds $13,532,353,094 across 31 Diagnostics & Research names. IDXX ranks #8 (2.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TMO |
Thermo Fisher Scientific Inc.
|
6,315,471 | $3,104,243,460 | |
| 2 | DHR |
Danaher Corp /De/
|
15,352,887 | $2,910,907,374 | |
| 3 | NTRA |
Natera, Inc.
|
12,184,876 | $2,436,853,350 | |
| 4 | DGX |
Quest Diagnostics Inc
|
6,297,987 | $1,234,279,491 | |
| 5 | RVTY |
Revvity, Inc.
|
10,090,158 | $883,998,742 | |
| 6 | GH |
Guardant Health, Inc.
|
7,023,689 | $648,778,152 | |
| 7 | MTD |
Mettler Toledo International Inc/
|
305,763 | $385,628,295 | |
| 8 | IDXX |
Idexx Laboratories Inc /De
This page
|
638,063 | $358,521,218 |
All Filings in IDXX
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25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $358,521,218 | 638,063 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $644,207,425 | 952,223 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $443,522,548 | 694,208 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $287,532,409 | 536,101 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $835,243,593 | 1,988,912 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $480,808,806 | 1,162,947 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $776,448,367 | 1,536,852 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $619,173,709 | 1,270,882 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $149,839,213 | 277,516 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $153,985,300 | 277,426 | Shares | Sole | 2024-02-16 | |
| 2023-09-30 | $114,093,799 | 260,923 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $104,473,884 | 208,020 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $86,969,912 | 173,912 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $71,010,740 | 174,063 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $63,805,323 | 195,842 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $298,664,131 | 851,550 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $584,949,922 | 1,069,261 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $460,163,454 | 698,848 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $447,085,775 | 718,903 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $462,162,606 | 731,791 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $623,641,742 | 1,274,533 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $1,005,934,888 | 2,012,393 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $798,195,309 | 2,030,463 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $831,581,255 | 2,518,722 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $572,232,408 | 2,362,254 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||