EcoR1 Capital, a biotech-focused hedge fund, made waves today with a substantial Form 4 filing.

The fund reported a purchase of $2,278,811 worth of Zymeworks $ZYME, increasing its ownership stake to 22.61%.

It’s worth noting that EcoR1 has a strong track record of identifying winners in the biotech space, often making concentrated bets on companies with transformative pipelines or innovative therapies.

Here’s The Hot Corner, with data from January 15, 2025:

On another note, Phillip Frost, CEO of OPKO Health Inc $OPK, disclosed the acquisition of 500,000 shares, continuing a pattern of insider buying.

Today’s standout transaction is a Form 4 filing by Director Robert Niblock, who made a bold statement with the purchase of 3,000 Lamb Weston Holdings Inc $LW shares, for a cost of $182,818.

Here’s The Hot Corner, with data from January 14, 2025:

Meanwhile, Senator John Boozman of Arkansas has also caught our attention, reporting a buy in an amount between $1,000 and $15,000 in Applied Materials $AMAT, a key player in the semiconductor equipment space.

The most eye-catching insider move today comes from Darsana Capital Partners, which disclosed a 5.30% stake in EchoStar Corporation $SATS via a 13G filing.

Darsana, a hedge fund known for its sharp plays, seems to have spotted something compelling in this satellite communications player.

With top holdings like HCA Healthcare $HCA, Guidewire Software $GWRE, and Hilton Worldwide $HLT, this is a fund that knows how to pick winners—making its move into SATS worth paying attention to.

Here’s The Hot Corner, with data from January 13, 2025:

In a notable 13G filing, Point72 Asset Management disclosed a 5.00% stake in Array Technologies $ARRY, signaling growing investor interest in the company.

Adding to the momentum, CEO Kevin Hostetler made a confident move back in November by purchasing shares of his own...

Carl Icahn tops today’s list with a significant transaction in CVR Energy $CVI disclosed via a Form 4 filing.

Icahn purchased 878,212 CVI shares for approximately $16 million.

CVR Energy is one of Icahn’s top holdings, and this move underscores his long-term conviction in the company. It also reinforces his influence in the energy sector.

There’s interesting institutional activity on today’s list too, with Think Investments submitting a 13G filing for TaskUs Inc $TASK. 

The filing disclosed an initial ownership stake of 16.90%, signaling the firm’s bullish outlook on TaskUs and its potential.

Here’s The Hot Corner, with data from January 10, 2025:

In another Form 4 filing, Ecor1 Capital revealed a purchase of $2,974,818 in Zymeworks Inc $ZYME.

Today's standout insider transaction comes from John W. Dietrich, Executive Vice President and Chief Financial Officer of FedEx Corporation $FDX.

Dietrich revealed a purchase of 1,000 FDX shares, equivalent to $273,980.

CFOs’ insider purchases are especially meaningful for investors because of their deep financial knowledge. Their expressions of confidence in the underlying business are particularly notable for this reason alone.

And FDX has been carving out a multi-year base:

If and when it breaks above 320, the bias will switch higher.

Here’s The Hot Corner, with data from January 8, 2025:

In another Form 4 filing, former Executive Chairman James W. Ayers acquired 2,000 shares of FB Financial Corporation $FBK.

Today's standout insider transaction comes through a 13G filing by AllianceBernstein L.P., a global investment management firm overseeing more than $700 billion in assets.

AllianceBernstein increased its passive stake in Trex Company Inc $TREX from 6.50% to 10.10%.

Here’s The Hot Corner, with data from January 7, 2025:

This significant uptick in ownership signals strong confidence in the company's future prospects.

In a recently filed Periodic Transaction Report, Senator Shelley Capito of West Virginia disclosed stock purchases in General Electric Company $GE and Broadcom Inc $AVGO.

The transactions, each valued between $1,000 and $15,000, signal potential confidence in these market-leading companies.

Last month, Broadcom had its best single day rally in history, breaking to new all time highs following earnings.

Price is currently consolidating in a tight pattern, digesting its gains.

The path of least resistance is clearly higher and we believe it is just a matter of time before AVGO continues its ascent.

Here’s The Hot Corner, with data from January 6, 2025:

Last but not least, Pleasant Lake Partners LLC filed a Form 4 for Tile Shop Holdings $TTSH revealing a purchase of $822,056.

Uncle Warren is at it again, increasing Berkshire Hathaway's stake in VeriSign Inc $VRSN.

The latest filing reveals a purchase of 20,044 shares, bringing Berkshire's ownership to 13.83%.

VRSN is consolidating constructively just below a key resistance level:

The critical threshold is at 255. As long as the stock remains below this overhead supply, it’s difficult to find an attractive setup for the long side.

However, a decisive breakout above this area would change the narrative, presenting a compelling opportunity to get involved.

Here’s The Hot Corner, with data from January 3, 2024:

Meanwhile, Massachusetts Financial Services Company disclosed a 13G filing for TransUnion $TRU, increasing its stake from 9.75% to 10.00%.

Today’s most notable transaction comes via a Form 4 filing by EcoR1 Capital LLC, a biotech-focused hedge fund known for its expertise in high-growth life sciences investments.

The fund revealed a purchase of 363,369 shares of Zymeworks Inc $ZYME, equivalent to $5,321,175. EcoR1’s ownership stake in ZYME is now 22.04%.

Here’s The Hot Corner, with data from January 2, 2024:

But it doesn't end there. EcoR1 Capital also stepped in for a purchase of AnaptysBio $ANAB shares with a total value of $1,099,642. ANAB is now the largest holding in EcoR1’s portfolio.

Today’s most notable transaction comes from John W. Childs, director of Biohaven Pharmaceutical Holding Company $BHVN.

Childs bought 29,000 shares, equivalent to $1,042,393 in its latest Form 4 filing.

Here’s The Hot Corner, with data from December 31, 2024:

Happy New Year, everyone!

Today’s most notable transaction comes from Warren Buffett’s Berkshire Hathaway, which purchased an additional $15.5 million in VeriSign $VRSN shares, increasing its ownership stake to 13.80%.

This transaction reflects confidence in VeriSign’s ability to maintain its leadership in internet security and stability while benefiting from long-term digital growth trends.

Here’s The Hot Corner, with data from December 30, 2024:

Point72 Asset Management filed a 13G for StoneCo Ltd $STNE revealing an initial 13G for 5.10% stake.

Jay Monroe, executive chairman of the board of directors of Globalstar Inc $GSAT revealed a purchase of 1,500,000 shares.

Prospect Capital Corporation $PSEC CEO John F. Barry III made another splash, this time with a massive $8.58 million buy. He reported this 2,000,000 share purchase in a Form 4 filing on Friday.

When the top exec puts this kind of skin in the game, it’s time to sit up and pay attention.

Here’s The Hot Corner, with data from December 27, 2024:

And that’s not all! Hedge fund heavyweight EcoR1 Capital LLC is doubling down on biotech.

The firm added $1.8 million worth of Zymeworks Inc $ZYME to its portfolio, upping its stake to 21.5%. ZYME is now EcoR1’s fifth-largest holding.