Top 10 RIA M&A Deals by AUM in Q2 2026

Top 10 RIA M&A Deals by AUM in Q2 2026
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Q1 2026 had one mega-deal driving the headlines: Carlyle's $72.6B acquisition of MAI Capital. Q2 looked different. Instead of a single dominant transaction, the quarter's biggest moves were spread across ten deals, each reshaping a different corner of the RIA channel.

Here's a ranked look at the ten transactions that moved the most client assets in Q2 2026, and what each one means if your firm has a manager relationship on the line.

Top 10 RIA M&A Deals in Q2 2026

1. LPL Financial → Mariner Advisor Network ($31B, 367 advisors)

The quarter's largest AUM figure, and an IBD-network deal rather than a traditional RIA acquisition. LPL picked up 367 advisors in one move, instantly expanding its reach across a huge number of individual advisor relationships.

2. Mesirow → LeafHouse Financial Advisors ($22.8B)

Mesirow's acquisition of the Austin-based fiduciary shop combines two platforms to reach roughly $138B in combined assets. May's biggest deal by a comfortable margin.

3. TRIA Capital Partners → Offit Capital ($22B, minority stake)

Not a full sale. TRIA took a non-control position in Offit Capital, one of the largest minority investments of the first half of 2026. Deals like this typically leave the existing manager lineup intact, at least for now, which makes them a different animal from an outright acquisition.

4. Brown Advisory → RockCreek ($18B, strategic investment)

Brown Advisory's investment in RockCreek came with a notable detail: RockCreek's founder was named a Brown Advisory vice chair. That's a strong signal the incumbent team is staying in place, not getting replaced.

5. Pathstone → Mill Creek Capital Advisors ($12B)

Backed by Kelso & Co. and Lovell Minnick, this was June's headline transaction by a wide margin. Pathstone continues building out its fiduciary platform through acquisition.

Want to track deals like these as they happen? Book a demo to see how Dakota Marketplace covers RIA M&A activity, PE sponsors, and the contacts behind every transaction.

6. WPCG/HGGC (Aspire Holdings) → Crewe Advisors ($3.3B, minority investment)

A minority stake designed to fund further acquisitions and organic growth rather than an outright takeover. Worth watching as a bellwether for how Aspire Holdings deploys capital next.

7. Reverence Capital Partners → Osaic ($2B+, recapitalization)

Ares Secondaries and Lexington Partners led this recap, with Bain Capital joining. Recapitalizations like this usually point to continued platform growth rather than a slowdown.

8. Corient → Bedrock Group (~$10.7B / CHF 8.4B)

Corient's acquisition of the Geneva-based multi-family office is part of its broader European build-out, backed by Mubadala Capital. One of several cross-border moves this quarter.

9. Motive Partners → Mobius (£30B+ AUA, ~$38.1B+)

Motive picked up the London-based pension investment platform from Phoenix Equity Partners. Note this one is AUA, not AUM, so it's not a perfect apples-to-apples comparison with the rest of the list, but the scale is significant either way.

10. Harbourfront Wealth Group → Cumberland Partners ($5B AUA)

Audax Private Equity-backed Harbourfront added $5B in AUA with its acquisition of the Toronto- and Calgary-based firm, continuing the platform's Canadian expansion.

What This Means for Fundraisers

Every one of these ten deals is a manager-lineup review in the making. A few things to keep in mind as you work through your distribution calendar:

  • The window is widest right after signing. Once a deal is announced, the acquirer's investment team hasn't yet locked in a formal re-underwriting process. That's your best moment to build or re-establish a relationship.

  • Deal type changes the risk. Full acquisitions (LPL/Mariner, Mesirow/LeafHouse, Pathstone/Mill Creek) tend to reset manager relationships. Minority and strategic investments (TRIA/Offit, Brown/RockCreek, WPCG/Crewe) are more likely to leave the current lineup alone.

  • Already on the shelf? Expect scrutiny. If your firm has an existing relationship at any of these ten targets, don't assume it carries over automatically once a new owner reviews the roster.

  • Not on the shelf? This is your opening. Each of these deals is a fresh entry point, particularly at the platforms building out new capabilities like OCIO and alternatives access.

Access RIAs in Dakota Marketplace

Deal headlines tell you which firms changed hands. They don't tell you who to call. Here's what the RIA channel looks like inside Dakota Marketplace right now:

  • 8,500+ RIA accounts, with 47,000+ tracked contacts across them (44,000+ employed directly at the firm, the rest tied in through consultant and network relationships)

  • 1,700+ RIAs managing $1B or more, the tier where outside manager selection is usually a formal, committee-driven process

  • 100+ RIAs running an OCIO business, plus a couple dozen flagged as aggregators, which is where the buyers in the next round of deals tend to come from

  • Heaviest concentration in New York (500+) and Los Angeles (400+), with 300+ each in Chicago, Boston, and San Francisco

Most of this quarter's targets already carry full profiles. Mariner Wealth Advisors is tracked at $125.4B on its parent record, with separate records for dozens of individual offices from Kansas City to Guaynabo, and Mariner Advisor Network has its own profile on the LPL side. LeafHouse Financial ($24.1B, Austin), Offit Capital Advisors ($20.6B, New York), and The RockCreek Group ($17.7B, Washington, DC) are each profiled with AUM, asset class detail, and named contacts. Pathstone, the acquirer in deal five, sits at $110.3B with its own records for the Philadelphia and Denver offices.

That's the practical difference between reading about a deal and acting on one. When Offit Capital's ownership changes, what you need is the investment committee, not the press release.

Want to track deals like these as they happen? Book a demo to see how Dakota Marketplace covers RIA M&A activity, PE sponsors, and the contacts behind every transaction.

Cate Costin, Marketing Associate

Written By: Cate Costin, Marketing Associate