DH
DataHeimdall
Insider TradesSuperinvestorsGrand Portfolio
DH
DataHeimdall

Financial transparency data from public SEC filings.

Product

  • Insider Trades
  • Grand Portfolio

Company

  • About
  • Blog
  • Contact

Legal

  • Privacy Policy
  • Terms of Service
  • Disclaimer
© 2026 DataHeimdall. All rights reserved.Data sourced from SEC EDGAR public filings.
Insider Trades

TECH

BIO-TECHNE Corp

Superinvestors

Institutional investors holding TECH

Consensus →
InvestorFundWeightSharesValueQuarter
Lee AinslieMaverick Capital2.86%4,739,721$247.7M2026Q1
Henry EllenbogenDurable Capital Partners2.40%4,456,017$232.9M2026Q1
Wallace WeitzWeitz Investment Management2.38%653,200$34.1M2026Q1
Mairs & PowerMairs & Power Growth Fund1.47%2,750,282$143.7M2026Q1
Meridian / ArrowMarkMeridian Contrarian Fund0.27%196,936$10.3M2026Q1
Jensen Investment ManagementJensen Investment Management0.03%47,450$2.4M2025Q2
Polen Capital ManagementPolen Capital Management0.01%46,314$2.7M2025Q1

Congressional Activity

Congressional data coming soon

Insider Activity

18

Total trades

$15.5M

Volume

0

Buys

9

Sells

Last trade: May 8, 2026

Insider Tradeslast 90 days

DateInsiderTypeValue
May 8, 2026Amy E. HerrSell$320K
May 8, 2026Amy E. HerrOption$316K

Congressional Tradeslast 90 days

Congressional trade data is being sourced and will appear here shortly.

May 5, 2026
Amy E. Herr
Option
$1.3M
May 5, 2026Amy E. HerrSell$1.4M
May 5, 2026Amy E. HerrOption$400K
May 5, 2026Amy E. HerrSell$400K
May 5, 2026Amy E. HerrOption$3.0M
May 5, 2026Amy E. HerrSell$3.2M
May 1, 2026Amy E. HerrOption–
May 1, 2026Amy E. HerrSell$17K
Apr 22, 2026Amy E. HerrOption–
Apr 22, 2026Amy E. HerrSell$3.3M
Apr 22, 2026Amy E. HerrOption–
Apr 22, 2026Amy E. HerrSell$80K
Apr 14, 2026Amy E. HerrOption–
Apr 14, 2026Amy E. HerrSell$1.9M
Apr 3, 2026Amy E. HerrOption–
Apr 3, 2026Amy E. HerrSell$39K