Loomis Sayles & Co. L P
Loomis, Sayles & Company L.P. is a global asset manager based in Boston, Massachusetts. Founded in 1926 by Robert H. Loomis and Ralph T. Sayles, it specializes in investment management and advisory services for institutional and retail clients across 20 countries. The firm is a subsidiary of Natixis Investment Managers and provides tailored investment solutions across equity, fixed income, and alternative strategies. As of December 31, 2024, Loomis Sayles managed approximately $389.3 billion in assets, employing hundreds of investment professionals dedicated to proprietary research and client-focused solutions. The firm services institutional investors, financial intermediaries, and other large clients.
Investment Strategy
Loomis Sayles employs a multi-style, research-intensive investment approach. Its teams are empowered to independently pursue alpha opportunities using bottom-up, quantitative, and macro strategies, all supported by rigorous proprietary research and integrated risk analysis. The firm emphasizes disciplined investment processes, prudent risk-taking where it believes it has an informational or analytical edge, and broad collaboration to deliver long-term capital appreciation. Strategies span active equity, global fixed income, multi-asset, and alternatives, with customized solutions based on client objectives and needs.
Latest 13F Filing Activity
Loomis Sayles & Co. L P filed their most recent 13F report on Jun 30, 2025 disclosing 657 equity positions with a total 13F market value of $80B. The fund increased holdings in Nvidia Corp., Netflix.com Inc., Oracle Corp. among other positions. Loomis Sayles & Co. L P reduced exposure to Alibaba Group Holding-sp Adr, Vertex Pharmaceuticals Inc., Thermo Fisher Scientific Inc. among others.
Top Holdings
Equity Positions (657)
| Ticker | Security | Weight | Market Value | Shares | Avg Cost | Price | Change (QoQ) |
|---|---|---|---|---|---|---|---|
N NVDA | NVIDIA CORP | 8.31% | $6.63B | 41,960,289 | $5.03 | $157.99 | +$2.03B |
M META | META PLATFORMS INC | 6.97% | $5.56B | 7,530,322 | $102.81 | $738.09 | +$1.14B |
N NFLX | NETFLIX.COM INC | 6.27% | $5.00B | 3,735,018 | $286.59 | $1339.13 | +$1.43B |
A AMZN | AMAZON.COM INC | 5.30% | $4.23B | 19,261,090 | $37.36 | $219.39 | +$503.2M |
T TSLA | TESLA INC | 5.14% | $4.10B | 12,914,797 | $227.15 | $317.66 | +$699.1M |