Category Archives: Biotech Letter

The Cliff Hanger

I’ve owned Bristol-Myers Squibb (BMY) through two CEO changes, one near-catastrophic acquisition, and more patent cliff panic attacks than I care to count. The dividend alone has paid for my annual fishing trip to Alaska three times over. So when the street spent the better part of two years treating BMY like a condemned man, […]

Teaching Cats To Do Your Taxes

The FDA just delivered Moderna (MRNA) a Refusal-to-File letter for its influenza vaccine mRNA-1010, which is regulatory speak for “we’re not even going to look at this.” It’s the bureaucratic equivalent of returning an unopened package to the sender, and it triggered a 10% after-hours selloff that erased whatever goodwill the stock had built from […]

A Survivor Of The GLP-1 Massacre

The GLP-1 stock massacre of 2025 was brutal, indiscriminate, and thoroughly predictable. Viking Therapeutics (VKTX) got caught in the crossfire, dropping from its peak alongside every other obesity drug hopeful when the market decided a price war was imminent. I watched the selling cascade through the sector like an avalanche, taking down pre-revenue biotechs and […]

The 2028 Patent Cliff And Other Fairy Tale

I remember sitting in a conference room at Merck’s (MRK) Kenilworth headquarters back in 2014, watching their presentations on some experimental cancer drug called pembrolizumab. Half the analysts in the room were checking their phones. That drug became Keytruda, now pulling in $32 billion annually, and those same analysts are convinced the company’s about to […]

One Infusion To Rule Them All?

In 2020, for the first time in history, a doctor pushed a CRISPR-based drug into a vein, let it ride the bloodstream like an Uber through downtown physiology, and watched it edit a gene inside the liver in real time. That experiment – Intellia’s (NTLA) NTLA-2001, now dubbed nexiguran ziclumeran, or nex-z – delivered an […]