Greenstone Partners & Co. LLC
Greenstone Partners & Co., LLC is an SEC-registered investment adviser headquartered in Larkspur, California. Founded in 2005, the firm manages capital principally for pooled investment vehicles, reporting $426.3 million in assets under management as of May 2025. The company is structured as a Delaware limited liability company and employs a small, experienced team, with approximately 5 employees, 60% of whom operate as investment professionals. Greenstone Partners & Co. serves institutional clients and high-net-worth investors with a focus on actively managed equity portfolios and seeks to generate value through rigorous securities analysis and disciplined execution.
Investment Strategy
Greenstone Partners & Co., LLC primarily manages an equity-focused investment strategy, constructing concentrated portfolios comprising carefully researched positions in publicly traded companies. The firm's approach emphasizes thorough fundamental analysis and seeks to invest in securities with strong growth prospects and attractive risk/reward profiles. By monitoring sector allocations and adjusting positions based on evolving market opportunities, Greenstone Partners & Co. aims to deliver superior risk-adjusted returns for its institutional and pooled vehicle clients. The firm actively buys and sells positions as opportunities arise, reflecting a dynamic, research-driven philosophy centered on long-term capital appreciation.
Top Holdings
Equity Positions (11)
| Ticker | Security | Weight | Market Value | Shares | Avg Cost | Price | Change (QoQ) |
|---|---|---|---|---|---|---|---|
A APP | APPLOVIN CORP | 28.59% | $122.0M | 348,515 | $38.18 | $350.08 | +$14.9M |
A AYI | ACUITY BRANDS INC | 13.65% | $58.3M | 195,269 | $199.64 | $298.34 | +$15.7M |
C CHTR | CHARTER COMMUNICATIONS INC | 11.03% | $47.1M | 115,138 | $367.93 | $408.81 | -$628.5K |
P PAR | PAR TECHNOLOGY CORP | 8.64% | $36.9M | 531,313 | $41.28 | $69.37 | +$2.3M |
S SCHW | SCHWAB CHARLES CORP | 7.74% | $33.0M | 361,845 | $66.58 | $91.24 | -$1.1M |