Forest Park In St. Louis, Missouri
Forest Park In St. Louis, Missouri

Thompson Street Capital Partners Portfolio Company Transnetyx, Inc. Acquires Brainbits LLC

ST. LOUIS (January 8, 2020)

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Thompson Street Capital Partners (TSCP), a private equity firm based in St. Louis, MO, announced today that its portfolio company Transnetyx, Inc. has acquired Springfield, Illinois-based BrainBits® LLC (BrainBits), a provider of central nervous system cell and tissue samples and essential growth and storage media. BrainBits was a portfolio company of MPG Equity Partners, a Chicago-based private equity firm. Terms of the transaction were not disclosed.

BrainBits ( provides researchers the exact piece of never-frozen tissue to be studied, shortening the time to discovery and increasing the quality and consistency of the tissue and media procurement.

Said Bob Dunn, Managing Director, TSCP, “The acquisition of BrainBits significantly strengthens Transnetyx’s ability to accelerate scientific research by saving time and steps to discovery.” Added Mr. Dunn, “We’re delighted that BrainBits is now an important part of the continued growth of Transnetyx.”