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From $2.7 Billion to $13.9 Trillion: The BlackRock Story - Part 4

Written by Arbitrage2026-06-04 00:00:00

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If you have not yet read Part 1, Part 2, and Part 3 of this topic, please do so before continuing here.


The Acquisitions Web

BlackRock's growth has been overwhelmingly inorganic. The firm has historically been a buyer rather than a spinner-off. The corporate genealogy is worth mapping, particularly the more recent moves into private markets:

  • Merrill Lynch Investment Managers (2006), the deal that first pushed BlackRock to roughly $1 trillion in AUM
  • Barclays Global Investors and iShares (2009), the transaction that made BlackRock the world's largest asset manager and handed it the dominant ETF franchise
  • eFront (2019), the alternatives software platform, eventually folded into Aladdin
  • Global Infrastructure Partners (2024), a roughly $12.5 billion transaction ($3 billion cash plus approximately 12 million BlackRock shares) that made BlackRock a top-three private infrastructure manager and brought GIP's $100 billion in client assets onto the platform
  • Preqin (2024), the leading private markets data provider, acquired to plug into Aladdin's analytics
  • HPS Investment Partners (closed July 2025), a roughly $12 billion all-stock transaction that brought roughly $157 billion in private credit assets and created an integrated private credit franchise

The thread running through the recent deals is clear. BlackRock has spent the last five years aggressively buying its way into private markets - infrastructure, private credit, alternative data - the areas where the relentless fee compression of public-market indexing doesn't apply. Private credit alone has gone from a niche product to one of the most contested growth areas in finance, and BlackRock is now positioned to be a top player in it.


Spin-offs, by contrast, are rare. BlackRock has occasionally divested smaller business lines but has not undergone a major break-up. The strategic direction has been consolidation, not separation.


Where This Leaves Things

From eight partners and $2.7 billion to roughly 21,000 employees and $13.9 trillion. From a fixed-income risk advisory shop to a firm that sits at the intersection of public markets, private markets, technology, and policy in a way no asset manager ever has.

The interesting question isn't whether BlackRock keeps growing. At this scale, growth measured in dollars is almost mechanical, driven by market appreciation as much as flows. The interesting question is what role a firm this size plays in the financial system going forward.


BlackRock now functions as something between a private asset manager and a piece of public financial infrastructure. It runs the risk platform used by competitors and central banks. It manages crisis programs for the US Treasury and the Fed. It's the largest single holder of many public companies and a top player in the fastest-growing parts of private markets. None of those roles are mutually exclusive, but the combination is novel, and there isn't a clear historical analogue.


When the firm started in 1988, the bet was that institutions wanted better risk measurement. That thesis turned out to be correct on a scale that would have been hard to predict at the time. The question now is whether the systems being measured can keep up with the firm doing the measuring.


This article is published for general informational purposes only and reflects patterns observed in publicly available filings, press releases, and reporting. It does not constitute investment advice, a recommendation, or an offer to buy or sell any security. Figures referenced are based on BlackRock's published disclosures as of the relevant reporting dates and are subject to change. Readers should conduct their own analysis or consult a qualified professional before making investment decisions.

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