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MAIRS & POWER INC

Position in TECH — BIO-TECHNE Corp

CIK 1070134 St Paul, MN

Position in TECH

as of Mar 31, 2026 · filed May 14, 2026
Position Value
$143,729,737
-$19,029,231 QoQ
Shares Held
2,750,282
-0.6% QoQ
Ownership
1.76%
of shares outstanding
% of Portfolio
1.55%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 87% Shared 0% None 13%

Common Shares in TECH Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Mar 31, 2026

MAIRS & POWER INC holds $144,561,814 across 2 Biotechnology names. TECH ranks #1 (99.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 TECH
BIO-TECHNE Corp
This page
2,750,282 $143,729,737

All Filings in TECH

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $143,729,737 2,750,282
2025-12-31 $162,758,968 2,767,539
2025-09-30 $156,176,162 2,807,409
2025-06-30 $139,757,648 2,716,378
2025-03-31 $155,474,623 2,651,793
2024-12-31 $192,591,509 2,673,768
2024-09-30 $215,554,904 2,696,796
2024-06-30 $196,349,086 2,740,392
2024-03-31 $208,309,139 2,959,357
2023-12-31 $237,612,908 3,079,483
2023-09-30 $207,857,190 3,053,580
2023-06-30 $249,758,249 3,059,638
2023-03-31 $224,497,307 3,025,978
2022-12-31 $232,978,166 2,811,030
2022-09-30 $47,827,020 673,620
2022-06-30 $56,842,893 655,930
2022-03-31 $71,230,966 657,962
2021-12-31 $84,561,163 653,815
2021-09-30 $80,273,139 662,634
2021-06-30 $82,041,424 728,836
2021-03-31 $73,524,866 770,035
2020-12-31 $67,327,030 848,081
2020-09-30 $52,976,007 855,383
2020-06-30 $59,545,012 901,958
2020-03-31 $48,540,302 1,023,949