O'shaughnessy Asset Management, LLC
O'Shaughnessy Asset Management, LLC (OSAM) is a quantitative asset management firm headquartered in Stamford, Connecticut. Founded in 1987, OSAM specializes in asset management, factor investing, and custom indexing. Now a subsidiary of Franklin Templeton, the firm delivers a broad range of equity portfolios to institutional investors and financial advisors, leveraging research pioneered by Jim O'Shaughnessy. The firm's headcount is under 25 employees.
Investment Strategy
O'Shaughnessy Asset Management employs a quantitative, research-driven investment approach focused on factor investing and custom indexing. All strategies are based on empirical research, much of it conducted by founder Jim O'Shaughnessy and featured in his writings. The firm utilizes proprietary software and advanced quantitative techniques to deliver individualized portfolios that are time-tested, transparent, and rigorously implemented. Through its Canvas platform, OSAM allows financial advisors to build and manage custom indexes in separately managed accounts, integrating factors and values alignment, including ESG criteria.
Latest 13F Filing Activity
O'shaughnessy Asset Management, LLC filed their most recent 13F report on Jun 30, 2025 disclosing 2,343 equity positions with a total 13F market value of $15B. The fund increased holdings in Microsoft Corp., Nvidia Corporation, Broadcom Inc. among other positions. O'shaughnessy Asset Management, LLC reduced exposure to Applovin Corp., Unitedhealth Group Inc., Apple Inc. among others.
Top Holdings
Equity Positions (2,343)
| Ticker | Security | Weight | Market Value | Shares | Avg Cost | Price | Change (QoQ) |
|---|---|---|---|---|---|---|---|
M MSFT | MICROSOFT CORP | 3.63% | $532.3M | 1,070,167 | $358.99 | $497.41 | +$208.1M |
N NVDA | NVIDIA CORPORATION | 3.39% | $496.9M | 3,144,842 | $76.19 | $157.99 | +$202.8M |
A AAPL | APPLE INC | 2.67% | $391.3M | 1,907,412 | $179.68 | $205.17 | -$23.2M |
A AMZN | AMAZON COM INC | 1.79% | $263.2M | 1,199,575 | $172.96 | $219.39 | +$61.6M |
M META | META PLATFORMS INC | 1.50% | $219.5M | 297,330 | $441.08 | $738.09 | +$62.0M |
Industry Allocation
Investment Team (11)
| Name | Role | Location | |
|---|---|---|---|
 | Associate Research Analyst | Garden City, ID , United States | |
 | Principal | Philadelphia, PA , United States | |
 | Client Portfolio Manager | CA , United States | |
 | Trader | New York, NY , United States | |
 | Vice President -Portfolio Implementation | Stamford, CT , United States | |
 | Principal | New York, NY , United States | |
H Haoqi Zhang | Research Analyst, Vice President | New York, NY , United States | |
I Iris Williams | VP and Sr. Portfolio Manager | San Francisco, CA , United States | |
 | Associate Portfolio Manager | New York, NY , United States | |
 | Associate Portfolio Manager | Chicago, IL , United States |