Thanks to everyone who joined us for today's Hot Corner Insider Weekly Strategy Session.

Pleasant Lake Partners LLC made a notable move in 1-800-FLOWERS.COM $FLWS. The investment manager acquired 724,700 FLWS shares, a purchase worth approximately $5.7 million.

Meanwhile, Pzena Investment Management increased its stake in Magna International Inc $MGA, filing a 13G that reflects a rise in ownership from 9.15% to 10.00%.

Here’s The Hot Corner, with data from February 4, 2025:

On the insider front, Director Robert Stallings disclosed a modest purchase of Texas Capital Bancshares $TCBI, buying shares valued at $250,434.

Today's most significant insider transaction comes straight from a Form 4 filing by none other than Warren Buffett.

Uncle Warren just scooped up 2,308,119 shares of Sirius XM Holdings $SIRI—a $54 million bet—pushing Berkshire Hathaway’s stake to 35.35%.

When Buffett adds, it’s worth paying attention.

Here’s The Hot Corner, with data from February 3, 2025:

Meanwhile, hedge funds are making moves in biotech:

• RA Capital Management disclosed a $50 million purchase in 89bio $ETNB. This is a fund known for backing early-stage biotech names before big breakouts. Their track record includes early stakes in Moderna in 2015.
• Paradigm Biocapital Advisors just filed a 13G for Edgewise Therapeutics $EWTX, reporting a 5.00% stake.

Another insider transaction to hit the tape was from Platinum Equity LLC.

A Form 4 filing reveals a $32.5 million purchase...

Director Elizabeth Davis just put nearly $200,000 on the line for 10,725 shares of Comstock Resources $CRK, a bold bet on the energy space.

Here’s The Hot Corner, with data from January 31, 2025:

Meanwhile, over in the financial sector, Timothy Hunter of Northwest Bancshares $NWBI scooped up 10,000 shares, signaling confidence in the regional banking sector.

Today's standout insider activity comes from Citadel Advisors, which filed an initial 13G revealing a 5.10% stake in Arvinas $ARVN.

When firms like Citadel and high-level executives put skin in the game, it pays to take notice.

Meanwhile, in a Form 4 filing, Adobe Inc $ADBE director David Ricks disclosed a purchase of 2,250 shares, a clear sign of confidence from the inside.

Here’s The Hot Corner, with data from January 30, 2025:

Pzena Investment Management filed an initial 13G for Advance Auto Parts $AAP revealing a stake of 5.50%.

Last but not least, former Visa CEO Alfred Kelly Jr, who joined General Motors’ $GM board of directors in September, bought 12,000 shares of GM.

Today's standout insider transaction comes from Ally Financial $ALLY CEO Michael G. Rhodes, who just made a bold move, buying 25,634 shares worth roughly $1 million.

When a CEO puts their own money on the line, it's always worth paying attention.

Here’s The Hot Corner, with data from January 29, 2025:

Last but not least, John C. Malone is back at it, adding to his stake in The Liberty Braves Group $BATRA with a fresh $935,450 buy.

Thanks to everyone who joined us for today's Hot Corner Insider Weekly Strategy Session.

Today’s standout insider transaction comes from Robert W. Stallings, director of Texas Capital Bancshares $TCBI.

Stallings just made a bold move, scooping up 7,676 TCBI shares for a total of $146,705.

Here’s The Hot Corner, with data from January 28, 2025:

Meanwhile, institutions are making waves too.

Victory Capital Management just increased its stake in Genpact Limited $G, filing a 13G that reveals a bump from 4.72% to 5.19%.

Today’s standout insider transaction comes from Russ Hutchinson, chief financial officer of Ally Financial Inc $ALLY.

Hutchinson made a significant purchase of 19,100 ALLY shares, totaling $753,473.

Here’s The Hot Corner, with data from January 27, 2025:

CFOs are often the secret sauce of insider trading.

They have unparalleled insight into the company’s financial health and future prospects—they know the numbers better than anyone else.

When a CFO puts their own money on the line, it can signal strong confidence in the stock.

First up, Control Empresarial de Capitales S.A., the Mexican investment firm known for its deep pockets and strategic plays, just scooped up 100,000 shares of PBF Energy Inc $PBF.

That’s a $2.9 million bet on the refiner, and it raises eyebrows as energy stocks continue their promising climb into the first weeks of 2025.

Here’s The Hot Corner, with data from January 24, 2025:

Meanwhile, John C. Malone has added to his stake in The Liberty Braves Group $BATRA.

Malone grabbed 33,600 shares, reinforcing his commitment to the company behind the Atlanta Braves franchise. 

I’m really grateful for the path I took in getting where I am today.

I wasn’t always hanging out on an island trading and covering the stock market.

I put in my time. 

I started my career in the Big 4, auditing some of the largest financial institutions in the world.

I spent long nights ticking and tying financial statements and testing derivative valuations for companies like Morgan Stanley and Interactive Brokers.

I know the strangest things about these companies' fundamentals and their history. I made friends and memories I’ll never forget. I was in the room for some historic market events. When I think back on some chapters of my early adult life, they were literally set in these offices. 

But none of the non-public information I learned at these places back in the day is relevant or material now. I have an insider's understanding of these businesses, but no special information about them. 

And I don’t need it. I’m a long-term bull on a lot of these companies simply because of the people who run them. Some have been great mentors over the...

Today’s top moves come via two significant 13G filings.

Point72 Asset Management boosted its stake in Syndax Pharmaceuticals $SNDX from 3.25% to 5.00%.

This increase signals growing confidence in the company’s prospects from one of the most high-profile hedge funds in the market.

Here’s The Hot Corner, with data from January 23, 2025:

Dimensional Fund Advisors disclosed an initial 5.30% position in Academy Sports and Outdoors $ASO. 

A 13G is a passive stake filing that reveals when an investor takes a large position (over 5%) in a company.

It’s often a sign they see solid potential in the stock and are placing a bet on its future growth.