Position in IDXX
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$173,330,141
-$24,857,969 QoQ
Shares Held
308,477
+5.3% QoQ
Ownership
0.391%
of shares outstanding
% of Portfolio
0.15%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 97.10351176911082.ToString("F0")%
Shared 0.ToString("F0")%
None 2.896488230889175.ToString("F0")%
Common Shares in IDXX Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Mar 31, 2026Clearbridge Investments, LLC holds $1,608,900,905 across 9 Diagnostics & Research names. IDXX ranks #3 (10.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | TMO |
Thermo Fisher Scientific Inc.
|
1,610,697 | $791,705,896 | |
| 2 | NTRA |
Natera, Inc.
|
893,322 | $178,655,466 | |
| 3 | IDXX |
Idexx Laboratories Inc /De
This page
|
308,477 | $173,330,141 | |
| 4 | WAT |
Waters Corp /De/
|
478,271 | $142,429,103 | |
| 5 | CRL |
Charles River Laboratories International, Inc.
|
632,624 | $109,127,640 | |
| 6 | MEDP |
Medpace Holdings, Inc.
|
175,966 | $84,497,113 | |
| 7 | RDNT |
RadNet, Inc.
|
1,278,540 | $71,457,600 | |
| 8 | DHR |
Danaher Corp /De/
|
264,855 | $50,216,508 |
All Filings in IDXX
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $173,330,141 | 308,477 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $198,188,110 | 292,948 | Shares | Sole | 2026-02-11 | |
| 2025-09-30 | $179,430,339 | 280,847 | Shares | Sole | 2025-11-13 | |
| 2025-06-30 | $152,194,520 | 283,765 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $141,547,087 | 337,057 | Shares | Sole | 2025-05-13 | |
| 2024-12-31 | $104,239,800 | 252,128 | Shares | Sole | 2025-02-12 | |
| 2024-09-30 | $173,343,002 | 343,104 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $171,890,980 | 352,814 | Shares | Sole | 2024-08-27 | |
| 2024-03-31 | $23,930,237 | 44,321 | Shares | Sole | 2024-05-13 | |
| 2023-12-31 | $23,779,452 | 42,842 | Shares | Sole | 2024-02-09 | |
| 2023-09-30 | $18,556,426 | 42,437 | Shares | Sole | 2023-11-13 | |
| 2023-06-30 | $21,118,269 | 42,049 | Shares | Sole | 2023-08-11 | |
| 2023-03-31 | $20,368,258 | 40,730 | Shares | Sole | 2023-05-12 | |
| 2022-12-31 | $3,575,769 | 8,765 | Shares | Sole | 2023-02-10 | |
| 2022-09-30 | $2,735,416 | 8,396 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $2,769,013 | 7,895 | Shares | Sole | 2022-08-11 | |
| 2022-03-31 | $4,598,586 | 8,406 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $5,539,623 | 8,413 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $4,843,357 | 7,788 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $4,220,017 | 6,682 | Shares | Sole | 2021-08-13 | |
| 2021-03-31 | $3,229,935 | 6,601 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $3,295,642 | 6,593 | Shares | Sole | 2021-02-10 | |
| 2020-09-30 | $2,636,588 | 6,707 | Shares | Sole | 2020-11-12 | |
| 2020-06-30 | $2,261,596 | 6,850 | Shares | Defined | 2020-08-14 | |
| 2020-03-31 | $27,653,876 | 114,159 | Shares | Defined | 2020-05-22 | |
| No filing history on record for this holder in this stock. | ||||||