Director Robo Reports a $10 Million JBHT Purchase

Today's insider action starts with a bold move at J.B. Hunt $JBHT, where director James Robo disclosed a purchase of nearly $10 million.

RA Capital Management reported an original 13D showing a 23.7% stake in Sionna Therapeutics $SION. 

The biotech-focused hedge fund has a strong track record in early-stage investments, making this one to watch.

Among its largest holdings are Ascendis Pharma $ASND, Vaxcyte $PCVX, and Janux Therapeutics $JANX.

Here’s The Hot Corner, with data from February 18, 2025:

Meanwhile, Pinetree Capital Ltd just filed a Form 4 for TruBridge $TBRG, totaling more than $3 million.

Last but not least, Farallon Capital Partners made moves in both Aramark $ARMK and New York Times $NYT, raising its ownership to above 5% in each.