FRONTIER CAPITAL MANAGEMENT CO LLC
Position in IDXX — Idexx Laboratories Inc /De
CIK 351173
Boston, MA
Position in IDXX
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$19,870,677
-$10,805,222 QoQ
Shares Held
35,364
-22.0% QoQ
Ownership
0.045%
of shares outstanding
% of Portfolio
0.20%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in IDXX Over Time
Shares Held
Position Value (USD)
Position in Diagnostics & Research
Healthcare · as of Mar 31, 2026FRONTIER CAPITAL MANAGEMENT CO LLC holds $144,741,915 across 8 Diagnostics & Research names. IDXX ranks #2 (13.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | NTRA |
Natera, Inc.
|
294,347 | $58,866,456 | |
| 2 | IDXX |
Idexx Laboratories Inc /De
This page
|
35,364 | $19,870,677 | |
| 3 | MTD |
Mettler Toledo International Inc/
|
13,333 | $16,815,579 | |
| 4 | RVTY |
Revvity, Inc.
|
188,722 | $16,533,934 | |
| 5 | A |
Agilent Technologies, Inc.
|
105,568 | $12,032,640 | |
| 6 | ICLR |
Icon PLC
|
108,467 | $12,002,958 | |
| 7 | CRL |
Charles River Laboratories International, Inc.
|
48,062 | $8,290,695 | |
| 8 | LH |
Labcorp Holdings Inc.
|
1,233 | $328,976 |
All Filings in IDXX
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $19,870,677 | 35,364 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $30,675,899 | 45,343 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $69,193,064 | 108,302 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $58,495,922 | 109,065 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $48,678,924 | 115,916 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $37,262,933 | 90,129 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $71,031,405 | 140,595 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $70,296,626 | 144,287 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $81,573,704 | 151,082 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $86,421,285 | 155,700 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $69,532,051 | 159,014 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $80,513,495 | 160,312 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $77,911,463 | 155,798 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $45,999,937 | 112,756 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $37,970,035 | 116,544 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $43,013,527 | 122,640 | Shares | Sole | 2022-07-20 | |
| 2022-03-31 | $60,801,889 | 111,143 | Shares | Sole | 2022-04-14 | |
| 2021-12-31 | $84,701,002 | 128,635 | Shares | Sole | 2022-01-19 | |
| 2021-09-30 | $91,836,594 | 147,671 | Shares | Sole | 2021-10-19 | |
| 2021-06-30 | $100,723,383 | 159,486 | Shares | Sole | 2021-08-09 | |
| 2021-03-31 | $88,077,757 | 180,004 | Shares | Sole | 2021-05-13 | |
| 2020-12-31 | $108,658,741 | 217,374 | Shares | Sole | 2021-01-19 | |
| 2020-09-30 | $76,236,215 | 193,931 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $68,967,452 | 208,891 | Shares | Sole | 2020-07-17 | |
| 2020-03-31 | $38,883,880 | 160,518 | Shares | Sole | 2020-04-16 | |
| No filing history on record for this holder in this stock. | ||||||