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Buffett Raises Berkshire's OXY Stake to 34%

May 31, 2023

The largest insider buy on today's list comes in a Form 4 filing by Warren Buffett’s Berkshire Hathaway $BRK.A.

In his third filing since May 17, Buffett reported the acquisition of another 4,660,809 shares, equivalent to $272 million.

Berkshire now owns roughly 306 million shares for an ownership stake of 34%. This calculation includes the company’s warrants, which continue to flip from in- to out-of-the-money with a strike price of 59.62.

In other insider news, Biotechnology Value Fund LP filed a 13G for Janux Therapeutics $JANX, revealing an initial stake of 9.80%.

Here’s The Hot List, with data through May 30, 2023:

In a series of Form 4s, the CEO and CFO of Driven Brands Holdings Inc $DRVN each revealed purchases for a combined amount of  $1,094,840.

Health care industry activist Alex Denner of Sarissa Capital Management reported a purchase of $2.6 million in Innoviva Inc $INVA. The hedge fund now owns more than 10% of outstanding shares.

In the options market, there was bullish flow in Infinera Corporation $INFN, PayPal Holdings Inc $PYPL, PLBY Group $PLBY, and Marinus Pharmaceuticals $MRNS.

Stay tuned. We'll be back on Thursday with more insider activity.

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All Star Charts Team