HubSpot’s 49% stock plunge forces co-founder Halligan back as CEO

HubSpot brings back co-founder Brian Halligan as CEO and replaces its CFO

HubSpot has yanked co-founder Brian Halligan back into the CEO seat after watching its stock shed nearly half its value in a year. The board’s decision, announced Thursday, November 12, amounts to a bet that the company needs a founder’s mandate to survive what looks like an existential threat to its pricing model.

Halligan replaces Yamini Rangan, who exits both the chief executive role and the board immediately, though she remains through December 1 to smooth the transition. Karen Burgess, a finance executive from Adobe, steps in as executive vice president of finance on November 30 and will take over as CFO on February 11, 2027. Kate Bueker, CFO since 2018, retires after a three-month overlap.

Shares jumped roughly 9% in premarket trading following the announcement, according to Seeking Alpha. That bounce arrives against a brutal backdrop: HubSpot stock has tumbled about 49% this year while the S&P 500 climbed 11%.

Halligan co-founded HubSpot in 2005 alongside CTO Dharmesh Shah and ran it for 16 years before handing the reins to Rangan in 2021, when the company’s market value exceeded $30 billion. He has kept a board seat throughout.

Meanwhile, HubSpot’s operational performance under Rangan did not collapse. Customer count more than doubled from about 135,000 to over 311,000, and revenue grew from $1.3 billion in 2021 to an expected $3.7 billion this year. The problem lives in what comes next. During the third-quarter report, which disappointed investors, Rangan flagged AI-related headwinds and warned that customers would keep scrutinizing budgets and prices into 2027.

That message landed poorly. A CEO describing a threat she was hired to prevent triggered a board-level rethink. Halligan, by contrast, can announce a “refounding” and carry credibility precisely because he did the original founding.

The deeper fear hangs over seat-based software pricing. HubSpot charges by seat and contact tier. If AI agents replace the work of a twenty-person sales team, customers buy fewer seats, and the model that powered HubSpot to $3.7 billion starts corroding. That bear case haunts the broader CRM category, but HubSpot feels it first because mid-market customers watch every line item and test cheaper alternatives quickly. Salesforce and Atlassian have different exposures, yet HubSpot’s reset now raises questions about how investors should price seat-based vendors generally.

Halligan told Bloomberg he wants to rebuild and reimagine the company rather than watch it get absorbed by private equity or shrink. He has not, however, specified what “refounding” will actually change. That makes the word a signal of intent, not a plan. The first real test arrives when he details his strategy, likely at the next earnings report. The stock still needs to hold its initial pop.