Acadian Asset Management Inc. (AAMI) Stock Price & How to Invest
Last updated July 2026
Short answer
AAMI is Acadian Asset Management, a systematic (quantitative) institutional asset manager that emerged from BrightSphere's transformation into a single, streamlined boutique. Investors treat it as a high-operating-leverage, AUM-and-flows story rather than a diversified financial.
AAMI stock price
As of 2026-07-23, Acadian Asset Management Inc. (AAMI) last closed at $80.23, up 100.8% over the past year. Over the past 52 weeks it has traded between $39.58 and $83.95.
Prices are daily closing prices from Yahoo Finance and may be delayed. For the live quote, check your broker or Acadian Asset Management Inc.'s investor relations page. Walnut is informational, not investment advice.
What does Acadian Asset Management Inc. (AAMI) do?
Acadian Asset Management (NYSE: AAMI) is the successor to BrightSphere Investment Group, which rebranded and changed its ticker from BSIG to AAMI in early 2025 after divesting six of its seven affiliates to concentrate on a single business: Acadian, a Boston-based systematic investment manager founded in 1980. Acadian runs quantitative strategies across global equities, fixed income, and alternatives, leaning on data science, machine learning, and factor models to exploit market inefficiencies while stripping out human bias. Its client base is overwhelmingly institutional, and roughly 90% of revenue comes from equity strategies, so its fortunes track global equity markets closely.
The investment picture is a high-operating-leverage play on assets under management (AUM) and net flows. AUM reached about $196 billion at the end of Q1 2026, up roughly 61% year over year, driven by strong performance and record positive net flows. Because management fees scale with average AUM while the cost base is relatively fixed, rising markets and inflows amplify earnings (adjusted EBITDA and economic net income grew far faster than revenue), but the same leverage cuts both ways in downturns. The stock re-rated sharply higher through 2025 and into 2026, so much of the flow momentum is now reflected in the price.
What's driving Acadian Asset Management Inc. (AAMI)?
1. Record AUM and net flows
AUM hit about $196 billion in Q1 2026, up roughly 61% year over year, with positive net flows near $21 billion in the quarter (about 12% of beginning AUM). Sustained institutional inflows into systematic strategies are the primary engine of fee growth, and the pace of flows is the single most-watched metric.
2. Operating leverage on management fees
Management fees rose about 41% year over year to roughly $159 million in Q1 2026 as average AUM climbed. With a largely fixed cost base, incremental AUM drops heavily to the bottom line, which is why adjusted EBITDA grew about 76% and economic net income about 85% year over year.
3. Streamlined single-boutique structure
The exit from the multi-affiliate BrightSphere model leaves one focused quant franchise, simplifying the story and concentrating capital and management attention. New leadership under CEO Kelly Young is positioning Acadian around AI and data-science-driven systematic investing.
4. Performance fees and strategy breadth
Strong relative performance has added recurring management fees plus periodic performance fees, and Acadian continues to broaden beyond core equities into fixed income and alternative systematic mandates. Expanding the addressable set of strategies could diversify a currently equity-heavy revenue mix.
What are the risks to Acadian Asset Management Inc. (AAMI)?
Acadian is concentrated: over 90% of revenue comes from equity strategies, a large share of AUM sits in a handful of top strategies, and roughly 70% of AUM is denominated in non-U.S. currencies, adding FX and market exposure. As a fee-on-AUM business, a market drawdown or a stretch of underperformance in its quant models could reverse flows and compress earnings quickly given the operating leverage. The firm depends heavily on key investment and management personnel, faces industry-wide fee pressure from passive and low-cost competitors, and the shares have re-rated substantially, so the valuation already embeds continued strong flows. Institutional mandates can also leave in large, lumpy blocks, making quarter-to-quarter flows volatile.
How is Acadian Asset Management Inc. (AAMI) valued? (approximate, July 2026)
A simple financial snapshot. These are approximations and refresh quarterly; for current figures see Acadian Asset Management Inc.'s investor relations page or your broker.
- Assets under management: ~$196B
- Revenue (Q1 2026): ~$167M
- Management fees (Q1 2026): ~$159M
- Market cap: ~$2.7B
- Trailing P/E: ~32x
- Dividend yield: ~0.5%
Q1 2026 revenue rose about 39% year over year to roughly $167 million as AUM grew about 61%, with economic net income up sharply on operating leverage. The stock climbed well over 100% in the prior year, leaving a trailing P/E near 32x against a much lower forward multiple that assumes continued fee growth. The small (~$0.40 annual) dividend means this is a growth-and-flows story, not an income name.
Who competes with Acadian Asset Management Inc. (AAMI)?
Systematic and factor managers
Dimensional Fund Advisors, GMO, and Northern Trust Asset Management compete directly in quantitative, factor-based, and rules-driven institutional mandates, the core of Acadian's franchise.
Large institutional and index houses
State Street Global Advisors, BlackRock, and other scale players offer factor and rules-based solutions plus low-cost passive products that pressure fees across the systematic-equity market.
Listed active asset managers
Publicly traded peers such as Artisan Partners, Federated Hermes, and Victory Capital compete for institutional flows and trade as comparable fee-on-AUM, market-sensitive businesses.
How to invest in Acadian Asset Management Inc. (AAMI)
There are three common ways to get AAMI exposure. Buy shares (or fractional shares) directly at any major broker. Hold an ETF that includes it, which spreads the position across many companies. Or build it into a focused thematic basket, so AAMI sits alongside other stocks that express the same thesis.
Walnut takes the basket route. Describe a thesis where AAMI fits (for example “AI infrastructure” or “dividend-growth large-caps”) and the AI proposes 5 to 6 constituents with target weights. You review the plan and fund it through your own broker when you're ready.
New to this? Start with how to invest in stocks, see how to analyze a stock with AI, or compare the best AI stock analyzers.
The bottom line on Acadian Asset Management Inc. (AAMI)
Acadian is a focused quant asset manager whose earnings ride on assets under management, net flows, and fee levels, so the investment picture hinges on flow durability and market direction.
More on Acadian Asset Management Inc. (AAMI)
Whether AAMI is worth buying today depends more on your time horizon and what you already hold than on any single call. We walk through valuation, what would have to go right, and the risks in is AAMI a buy?, and where the stock could go from here in the AAMI stock forecast.
For income investors, whether AAMI pays a dividend and how the payout looks is covered in does AAMI pay a dividend?
Build a basket around AAMI with Walnut
Use Acadian Asset Management Inc. as one constituent in a thematic basket Walnut's AI helps you assemble. Describe a thesis you believe in, the AI proposes the holdings and weights, and you approve before any broker order.
FAQ
What does Acadian Asset Management do?
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Acadian is a systematic, or quantitative, investment manager that runs global equity, fixed income, and alternative strategies mostly for institutional clients. It uses data science, factor models, and machine learning to seek market inefficiencies while limiting human bias.
Is AAMI the same company as BrightSphere?
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Yes. BrightSphere Investment Group rebranded to Acadian Asset Management and changed its NYSE ticker from BSIG to AAMI around January 2025, after divesting six of its seven affiliates to focus on the single Acadian business.
How does Acadian make money?
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It earns management fees calculated as a percentage of assets under management, plus periodic performance fees on some strategies. Because costs are relatively fixed, revenue and profits scale with AUM, average fee rates, and net flows.
How large is Acadian's AUM?
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AUM was about $196 billion at the end of Q1 2026, up roughly 61% year over year and a record for the firm, driven by strong investment performance and large positive net flows.
Does AAMI pay a dividend?
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Acadian pays a small dividend, around $0.40 per share annually, for a yield near 0.5%. It is a growth-and-flows story rather than an income investment, so most of the return case rests on AUM and earnings growth.
Why has AAMI stock moved so much?
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The shares rose well over 100% in the year to mid-2026 as record inflows and rising markets drove sharp AUM and fee growth, amplified by operating leverage. That re-rating means a lot of momentum is now priced in.
What are the main risks for AAMI?
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Over 90% of revenue comes from equities, AUM is concentrated in a few strategies, and about 70% is non-U.S.-currency denominated, so market drops, model underperformance, FX swings, or outflows can hit earnings quickly. The firm also depends on key personnel and faces industry fee pressure.
Who competes with Acadian?
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Direct systematic peers include Dimensional Fund Advisors, GMO, and Northern Trust Asset Management, while scale houses like State Street Global Advisors and BlackRock and listed active managers such as Artisan Partners compete for institutional flows and fees.
Walnut is informational, not investment advice. Financial figures on this page are approximations; always verify current numbers with Acadian Asset Management Inc.'s investor relations page or your broker before making investment decisions.