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Advent International, L.P.
David Mussafer · Private Equity · Buyout
Founded in 1984, Advent International is one of the largest and most experienced global private equity firms. Based in Boston, the firm has invested extensively across 43 countries, focusing on buyouts, growth capital, and strategic restructuring. Advent concentrates its expertise in five core sectors: business and financial services, healthcare, industrial, retail, consumer and leisure, and technology. With a legacy of over 400 transactions, the firm utilizes its global platform and deep operational resources to transform businesses. Advent is distinguished by its collaborative partnership model, working closely with management teams to drive long-term value creation through operational improvements and international expansion.
Simulated Performance
| Metric | Value |
|---|---|
| Total return | +15.6% |
| YTD return | +12.9% |
| Sharpe ratio | -1.85 |
| Win rate | 47% |
| AUM | $12.1B |
| Inception | Oct 1, 2025 |
| Updated | Sep 18, 2026 |
Institution Status
| Field | Value |
|---|---|
| AUM | $12.1B |
| Turnover | Low (<15%) |
| Avg holding | 18 Months |
| Inception | Oct 1, 2025 |
| Website | https://www.adventinternational.com |
Current Holdings
Updated on Sep 18, 2026.
| Ticker | Name | Portfolio % | Return |
|---|---|---|---|
| INIO | INNIO N.V. Ordinary Shares | 58.1% | +1.8% |
| NIQ | NIQ Global Intelligence plc | 24.5% | +21.0% |
| INPOY | InPost S.A | 4.8% | 0.0% |
| WAY | Waystar Holding Corp. Common Stock | 2.3% | -23.3% |
| CINT | Ci&T Inc | 1.4% | -38.9% |
| LUNR | Intuitive Machines Inc. | 1.4% | -6.0% |
| NU | Nu Holdings Ltd | 1.0% | -10.0% |
| TSM | Taiwan Semiconductor Manufacturing | 1.0% | +47.7% |
| BKR | Baker Hughes Co | 0.8% | -13.3% |
| AMZN | Amazon.com Inc | 0.6% | -1.9% |
| DH | Definitive Healthcare Corp | 0.5% | -64.1% |
| ARES | Ares Management LP | 0.5% | -0.5% |
| AMD | Advanced Micro Devices Inc | 0.5% | +19.7% |
| SEI | Solaris Energy Infrastructure, Inc. | 0.5% | +53.7% |
| CRS | Carpenter Technology Corporation | 0.5% | +55.6% |
| AVGO | Broadcom Inc | 0.5% | -0.1% |
| STEP | Stepstone Group Inc | 0.3% | -9.1% |
| VST | Vistra Energy Corp | 0.3% | -10.0% |
| SNPS | Synopsys Inc | 0.2% | -22.0% |
| DT | Dynatrace Holdings LLC | 0.2% | +19.3% |
Recent activity
| Date | Action | Ticker | Weight |
|---|---|---|---|
| Sep 7, 2026 | BUY | LUNR | 0.0% → 1.4% |
| Sep 7, 2026 | SELL | TSM | 3.3% → 1.0% |
| Sep 7, 2026 | SELL | AMD | 2.7% → 0.5% |
| Sep 7, 2026 | BUY | AVGO | 0.0% → 0.5% |
| Sep 7, 2026 | SELL | VST | 0.7% → 0.3% |
Investment Style Analysis
Advent International, L.P. is widely recognized for employing a Buyout strategy. As of Sep 18, 2026, the firm oversees approximately $12.1B in assets under management (AUM). The portfolio demonstrates a clear preference for the Specialty Industrial Machinery and Other sectors, reflecting a high-conviction approach to capital allocation.
Recent Market Moves
During the latest rebalancing period ending Sep 7, Advent International, L.P. made a significant move by increasing exposure to LUNR. This adjustment aligns with the fund's dynamic approach to risk management and capital deployment in current market conditions.
Investment Philosophy
Advent International follows a sector-focused, operationally driven investment philosophy aimed at building world-class businesses. The firm identifies high-potential companies where its specialized industry knowledge and global reach can unlock significant value. Advent prioritizes a partnership-based approach, working hand-in-hand with management to execute strategic realignments and operational enhancements. By leveraging a vast network of internal investment professionals and external operating partners, the firm provides hands-on support to help portfolio companies scale, enter new markets, and achieve sustainable growth over a long-term investment horizon.
Disclaimer
The content provided on this page, including the simulated portfolio performance, holdings analysis, and AI-generated insights, is for informational and educational purposes only. It does not constitute financial advice, investment recommendations, or an offer to buy or sell any securities. All data is derived from historical SEC 13F filings and other public disclosures, which have a reporting lag. The "Simulated Performance" is a hypothetical reconstruction based on past disclosures and does not represent the actual returns of the institution. Past performance is not indicative of future results. Tritonix.ai is not affiliated with Advent International, L.P..
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Frequently asked questions
How is the simulated portfolio for Advent International, L.P. constructed?
This simulation is powered by Tritonix AI using official SEC filings. We focus on the "Best Ideas" by filtering for only the Top 20 largest holdings and rebalancing them to 100%. The simulation tracks performance starting from Oct 1, 2025. Our AI monitors for updates every Monday to capture major shifts. This concentrated approach highlights the manager's true stock-picking skill and mirrors their actual investment returns.
What is Advent International, L.P.'s largest holding?
As of the latest filing, Advent International, L.P.'s top position is INNIO N.V. Ordinary Shares (INIO), representing 58.1% of the portfolio. This reflects a high-conviction bet by the institution.
What is Advent International, L.P.'s historical performance and risk profile?
Our simulation indicates a total return of +15.6% with a win rate of 47%. Notably, the portfolio maintains a Sharpe Ratio of -1.85, suggesting an standard level of risk-adjusted returns compared to the broader market.
What sectors does Advent International, L.P. primarily invest in?
Advent International, L.P. has a strong preference for the Specialty Industrial Machinery sector, which makes up 58.1% of their disclosed assets. The portfolio also has exposure to Other, indicating a specific thematic focus.
Is Advent International, L.P.'s portfolio concentrated or diversified?
Advent International, L.P. runs a moderately concentrated portfolio with 20 disclosed positions. The top 3 holdings alone account for 87.5% of the total portfolio weight, suggesting a strategy that favors broader market exposure.
How has Advent International, L.P. performed in 2026?
Our AI-simulated model portfolio for Advent International, L.P. tracks a Year-to-Date (YTD) return of +12.9%. This metric helps investors gauge the institution's effectiveness in the current market environment.
Does David Mussafer manage Advent International, L.P. directly?
Yes, David Mussafer serves as the key portfolio manager for Advent International, L.P., overseeing the investment strategy and final capital allocation decisions.