Position in TMO
as of Mar 31, 2026
· filed May 14, 2026
Position Value
$609,988
-$109,109 QoQ
Shares Held
1,241
0.0% QoQ
Ownership
0.000%
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 19.419822723609993.ToString("F0")%
Shared 0.ToString("F0")%
None 80.58017727639.ToString("F0")%
Common Shares in TMO 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. TMO ranks #4 (1.2% 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
|
2,080 | $1,168,731 | |
| 4 | TMO |
Thermo Fisher Scientific Inc.
This page
|
1,241 | $609,988 | |
| 5 | WAT |
Waters Corp /De/
|
958 | $285,292 | |
| 6 | DHR |
Danaher Corp /De/
|
1,135 | $215,196 |
All Filings in TMO
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $609,988 | 1,241 | Shares | Sole | 2026-05-14 | |
| 2025-12-31 | $719,097 | 1,241 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $783,792 | 1,616 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $655,223 | 1,616 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $649,865 | 1,306 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $840,691 | 1,616 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $1,029,919 | 1,665 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $1,000,930 | 1,810 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $895,644 | 1,541 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $865,718 | 1,631 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $791,649 | 1,564 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $908,888 | 1,742 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $1,002,307 | 1,739 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $663,030 | 1,204 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $610,656 | 1,204 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $654,109 | 1,204 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $711,142 | 1,204 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $803,356 | 1,204 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $657,029 | 1,150 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $582,662 | 1,155 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $618,394 | 1,355 | Shares | Sole | 2021-05-14 | |
| 2020-12-31 | $631,131 | 1,355 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $596,052 | 1,350 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $516,334 | 1,425 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $412,921 | 1,456 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||