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Cornerstone Capital, Inc.
Brad Branson · Investment Advisor · Growth
Founded in 1978, Cornerstone Capital, Inc. is a San Mateo, California-based investment advisory firm that provides personalized wealth management, financial planning, and estate coordination for high-net-worth individuals, families, and foundations. The firm utilizes a research-driven, disciplined approach to managing multi-asset portfolios, prioritizing long-term growth alongside prudent risk management to ensure financial stability for its clients. Cornerstone emphasizes long-term client relationships and collaborative planning with tax and legal professionals to simplify the complexities of wealth management and legacy planning. With a history of over four decades in the Bay Area, the firm manages nearly $1 billion in assets, focusing on a hands-on approach to tailor strategies to each client's unique financial life cycle.
Simulated Performance
| Metric | Value |
|---|---|
| Total return | +20.0% |
| YTD return | +15.3% |
| Sharpe ratio | 3.43 |
| Win rate | 63% |
| AUM | $0.8B |
| Inception | Oct 1, 2025 |
| Updated | Sep 4, 2026 |
Institution Status
| Field | Value |
|---|---|
| AUM | $0.8B |
| Turnover | Low (<15%) |
| Avg holding | 18 Months |
| Inception | Oct 1, 2025 |
| Website | https://www.cornerstone-capital.net |
Current Holdings
Updated on Sep 4, 2026.
| Ticker | Name | Portfolio % | Return |
|---|---|---|---|
| GOOGL | Alphabet Inc Class A | 8.2% | +31.2% |
| MSFT | Microsoft Corporation | 8.0% | +2.3% |
| GLW | Corning Incorporated | 6.8% | +63.1% |
| AMZN | Amazon.com Inc | 6.7% | +13.3% |
| V | Visa Inc. Class A | 6.5% | +9.3% |
| APH | Amphenol Corporation | 5.7% | +30.4% |
| SHOP | Shopify Inc | 5.4% | +0.4% |
| ABBV | AbbVie Inc | 5.0% | +8.7% |
| AMGN | Amgen Inc | 4.9% | +43.3% |
| CSCO | Cisco Systems Inc | 4.7% | +51.2% |
| AME | Ametek Inc | 4.5% | +21.6% |
| GS | Goldman Sachs Group Inc | 4.4% | +29.0% |
| JNJ | Johnson & Johnson | 3.9% | +38.5% |
| TMO | Thermo Fisher Scientific Inc | 3.8% | +16.9% |
| HD | The Home Depot Inc | 3.8% | -15.4% |
| SSD | Simpson Manufacturing Company Inc | 3.7% | -7.8% |
| ATR | AptarGroup Inc | 3.6% | +6.3% |
| RS | Reliance Steel & Aluminum Co | 3.6% | +21.8% |
| AJG | Arthur J Gallagher & Co | 3.4% | +22.4% |
| PG | Procter & Gamble Company | 3.3% | -1.2% |
Recent activity
| Date | Action | Ticker | Weight |
|---|---|---|---|
| Aug 10, 2026 | SELL | ABBV | 5.4% → 5.0% |
| Aug 10, 2026 | SELL | ABT | 3.2% → 0.0% |
| Aug 10, 2026 | BUY | PG | 3.3% → 3.3% |
| Aug 10, 2026 | BUY | AMZN | 6.8% → 6.7% |
| Aug 10, 2026 | SELL | CSCO | 4.8% → 4.7% |
Investment Style Analysis
Cornerstone Capital, Inc. is widely recognized for employing a Growth strategy. As of Sep 4, 2026, the firm oversees approximately $0.8B in assets under management (AUM). The portfolio demonstrates a clear preference for the Drug Manufacturers - General and Electronic Components sectors, reflecting a high-conviction approach to capital allocation.
Recent Market Moves
During the latest rebalancing period ending Aug 10, Cornerstone Capital, Inc. made a significant move by reducing the position in ABBV. This adjustment aligns with the fund's dynamic approach to risk management and capital deployment in current market conditions.
Investment Philosophy
Cornerstone Capital's investment philosophy is based on the principle that risk management is as critical as return management. The firm focuses on reducing exposure to significant market declines to help investors maintain discipline and avoid emotional decision-making during volatility. By selecting high-quality, high-performance investments and combining them in a complementary manner, the firm aims to create portfolio synergy that enhances returns without proportionally increasing risk. This research-driven strategy is tailored to the unique goals and tax situations of each client, aiming for sustained 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 Cornerstone Capital, Inc..
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Frequently asked questions
How is the simulated portfolio for Cornerstone Capital, Inc. 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 Cornerstone Capital, Inc.'s largest holding?
As of the latest filing, Cornerstone Capital, Inc.'s top position is Alphabet Inc Class A (GOOGL), representing 8.2% of the portfolio. This reflects a high-conviction bet by the institution.
What is Cornerstone Capital, Inc.'s historical performance and risk profile?
Our simulation indicates a total return of +20.0% with a win rate of 63%. Notably, the portfolio maintains a Sharpe Ratio of 3.43, suggesting an exceptional level of risk-adjusted returns compared to the broader market.
What sectors does Cornerstone Capital, Inc. primarily invest in?
Cornerstone Capital, Inc. has a strong preference for the Drug Manufacturers - General sector, which makes up 13.9% of their disclosed assets. The portfolio also has exposure to Electronic Components, indicating a specific thematic focus.
Is Cornerstone Capital, Inc.'s portfolio concentrated or diversified?
Cornerstone Capital, Inc. runs a moderately concentrated portfolio with 20 disclosed positions. The top 3 holdings alone account for 22.9% of the total portfolio weight, suggesting a strategy that favors broader market exposure.
How has Cornerstone Capital, Inc. performed in 2026?
Our AI-simulated model portfolio for Cornerstone Capital, Inc. tracks a Year-to-Date (YTD) return of +15.3%. This metric helps investors gauge the institution's effectiveness in the current market environment.
Does Brad Branson manage Cornerstone Capital, Inc. directly?
Yes, Brad Branson serves as the key portfolio manager for Cornerstone Capital, Inc., overseeing the investment strategy and final capital allocation decisions.