Bamco Inc. NY Sells Nearly 300,000 Shares of Bio-Techne Corp

Biotechnology company's stock price drops 1.2% on news of institutional investor selling

Mar. 15, 2026 at 8:34am

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Bamco Inc. NY, a major institutional investor, decreased its stake in Bio-Techne Corp (NASDAQ:TECH) by 10.7% in the third quarter, selling 298,824 shares according to a recent SEC filing. The firm now owns 2,496,323 shares, or about 1.6% of the biotechnology company's stock, worth $138.9 million.

Why it matters

Institutional investors like Bamco Inc. NY play a significant role in the stock market, and their buying and selling activity can impact a company's share price. This sale by a major shareholder may signal potential concerns about Bio-Techne's future performance or valuation.

The details

Bamco Inc. NY sold the shares during the third quarter, reducing its overall stake in Bio-Techne by 10.7%. The firm now owns 2,496,323 shares, or about 1.6% of the company's total shares outstanding. Bio-Techne's stock price dropped 1.2% on the news to $50.85 per share.

  • Bamco Inc. NY sold the shares during the third quarter of the year.

The players

Bamco Inc. NY

A major institutional investor that decreased its stake in Bio-Techne Corp by 10.7% in the third quarter.

Bio-Techne Corp

A biotechnology company that develops, manufactures, and sells high-quality reagents, instruments, and services for the research, diagnostic, and bioprocessing markets.

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The takeaway

This sale by a prominent institutional investor could signal potential concerns about Bio-Techne's future performance or valuation, which may impact the stock price going forward. Investors will likely be closely watching the company's next earnings report and any further changes in major shareholder positions.