October 9, 2026
According to The Wall Street Journal's September 29 report, Piper Sandler has been in talks to acquire Perella Weinberg Partners. WSJ put Piper's market value at roughly $5 billion and PWP's at about $1.4 billion, although those are trading values, not an agreed purchase price. The report said nothing was finalized and talks could still fall apart. That distinction matters before anyone starts updating their banking rankings spreadsheet (we know some of you have one). Still, the potential combination is interesting: Piper's roots in advising smaller and midsize companies would meet a firm that has won roles on major transactions, including BlackRock's acquisitions of Global Infrastructure Partners and HPS Investment Partners.
The appeal, in our view, would be a broader set of client relationships and more opportunities to win advisory work. Building that coverage banker by banker takes time; buying a firm can bring an established team and its relationships together. PWP also gives the story a useful wrinkle. WSJ reported that its revenue fell from a record $878 million in 2024 to about $750 million in 2025, while peers grew. A few prominent mandates do not guarantee that the whole firm has a strong year. Advisory revenue depends on which transactions actually get done and when fees arrive. For a potential buyer, the question is whether combining the businesses would improve their ability to win work enough to justify the price and the cost of keeping key people.
There is a clear connection to Mizuho's 2023 acquisition of Greenhill. Mizuho paid $15 per share in cash, in a transaction with an enterprise value of approximately $550 million including assumed debt. Its deal counsel, Paul, Weiss, described Greenhill's advisory services as complementary to Mizuho's existing banking and capital markets capabilities. The shared logic is buying established advisory expertise and client access. The difference is the starting point: Mizuho was adding Greenhill to a banking and financing platform, while the Piper/PWP talks would bring together two firms already known for deal advice. The comparison helps explain the strategy, but it does not mean either combination automatically produces more fees. Clients still choose whom to hire, and senior bankers still have to want to stay. Unfortunately, the relationships do not come with a lifetime warranty.
For interviews, this is a useful deal to follow because you can discuss strategic rationale and integration risk without pretending to know a purchase price that has not been announced. Explain what each firm could bring, then ask what would make those benefits stick: banker retention, compatible compensation, and clients continuing to award mandates. The Mizuho/Greenhill comparison gives you a concrete precedent for buying advisory capabilities, with a different buyer and business mix. It also matters for recruiting. If a transaction happens, candidates should follow how teams, coverage, and opportunities develop instead of assuming the old firm labels tell the whole story. For now, keep the status straight: these are reported talks, and the eventual terms would determine how attractive the deal really is.
Sources: Lauren Thomas and AnnaMaria Andriotis, "Piper Sandler Holds Talks to Buy Perella Weinberg," The Wall Street Journal, September 29, 2026. Acquisition context: Paul, Weiss, "Mizuho Completes Acquisition of Premier M&A Advisory Firm Greenhill," December 1, 2023.