Position in IDXX
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$1,168,731
-$272,954 QoQ
Shares Held
2,080
-2.4% QoQ
Ownership
0.003%
of shares outstanding
% of Portfolio
0.01%
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, 2026MAIRS & POWER INC holds $50,880,946 across 6 Diagnostics & Research names. IDXX ranks #3 (2.3% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MEDP |
Medpace Holdings, Inc.
|
85,720 | $41,161,886 | |
| 2 | RDNT |
RadNet, Inc.
|
133,116 | $7,439,853 | |
| 3 | IDXX |
Idexx Laboratories Inc /De
This page
|
2,080 | $1,168,731 | |
| 4 | TMO |
Thermo Fisher Scientific Inc.
|
1,241 | $609,988 | |
| 5 | WAT |
Waters Corp /De/
|
958 | $285,292 | |
| 6 | DHR |
Danaher Corp /De/
|
1,135 | $215,196 |
All Filings in IDXX
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,168,731 | 2,080 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $1,441,685 | 2,131 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $1,369,780 | 2,144 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $1,192,820 | 2,224 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $968,404 | 2,306 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $993,082 | 2,402 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $1,264,060 | 2,502 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $1,218,974 | 2,502 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $1,394,099 | 2,582 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $1,541,373 | 2,777 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $1,236,599 | 2,828 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $1,420,306 | 2,828 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $1,414,226 | 2,828 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $1,262,636 | 3,095 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $1,141,277 | 3,503 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $1,261,575 | 3,597 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $1,924,557 | 3,518 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $2,232,179 | 3,390 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $2,116,947 | 3,404 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $2,149,796 | 3,404 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $1,665,611 | 3,404 | Shares | Sole | 2021-05-14 | |
| 2020-12-31 | $1,701,557 | 3,404 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $1,343,256 | 3,417 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $1,129,147 | 3,420 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $828,460 | 3,420 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||