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Klingenstein, Fields & Co., L.P.
Kenneth D. Pollinger · Investment Advisor · Multi-Strategy
Klingenstein, Fields & Co., L.P., operating as Klingenstein Fields Advisors (KF Advisors), is an independent, privately owned investment management firm headquartered in New York City. Founded in 1989 as the successor to Wertheim Schroder Individual Capital Management, the firm provides wealth management, planning, and investment advisory services to high-net-worth individuals, families, and charitable institutions. KF Advisors builds upon a heritage dating back to 1927, focusing on delivering customized, high-touch financial counsel. The firm manages several billion dollars in assets, emphasizing a disciplined approach to asset allocation and risk management. Through a combination of proprietary equity strategies and multi-manager solutions, it seeks to preserve and grow client wealth across multiple generations while maintaining a commitment to integrity and objective service.
Simulated Performance
| Metric | Value |
|---|---|
| Total return | +15.6% |
| YTD return | +7.3% |
| Sharpe ratio | 3.13 |
| Win rate | 53% |
| AUM | $1.8B |
| Inception | Oct 1, 2025 |
| Updated | Sep 16, 2026 |
Institution Status
| Field | Value |
|---|---|
| AUM | $1.8B |
| Turnover | Low (<15%) |
| Avg holding | 18 Months |
| Inception | Oct 1, 2025 |
| Website | https://www.klingenstein.com/ |
Current Holdings
Updated on Sep 16, 2026.
| Ticker | Name | Portfolio % | Return |
|---|---|---|---|
| GOOGL | Alphabet Inc Class A | 11.4% | +36.5% |
| AVGO | Broadcom Inc | 10.1% | +0.3% |
| PANW | Palo Alto Networks Inc | 8.6% | +70.9% |
| MSFT | Microsoft Corporation | 6.6% | -1.2% |
| AAPL | Apple Inc | 6.4% | +27.4% |
| LLY | Eli Lilly and Company | 5.9% | +31.2% |
| BRK-A | Berkshire Hathaway Inc | 5.5% | +4.7% |
| AMZN | Amazon.com Inc | 5.3% | +10.2% |
| NVDA | NVIDIA Corporation | 5.2% | +11.1% |
| GS | Goldman Sachs Group Inc | 4.4% | +16.9% |
| UNP | Union Pacific Corporation | 4.4% | +16.0% |
| JPM | JPMorgan Chase & Co | 3.8% | +13.1% |
| RTX | Raytheon Technologies Corp | 3.6% | +14.9% |
| DIS | Walt Disney Company | 3.5% | -3.6% |
| PEP | PepsiCo Inc | 3.3% | -7.2% |
| JNJ | Johnson & Johnson | 3.2% | +38.6% |
| COST | Costco Wholesale Corp | 2.6% | -4.2% |
| STUB | StubHub Holdings, Inc. | 2.3% | -38.4% |
| TMO | Thermo Fisher Scientific Inc | 2.2% | +4.4% |
| NXPI | NXP Semiconductors NV | 2.0% | -2.3% |
Recent activity
| Date | Action | Ticker | Weight |
|---|---|---|---|
| Aug 31, 2026 | BUY | PEP | 3.2% → 3.3% |
| Aug 31, 2026 | BUY | GOOGL | 11.2% → 11.4% |
| Aug 31, 2026 | SELL | NXPI | 2.1% → 2.0% |
| Aug 31, 2026 | SELL | PANW | 8.9% → 8.6% |
| Aug 31, 2026 | BUY | DIS | 3.5% → 3.5% |
Investment Style Analysis
Klingenstein, Fields & Co., L.P. is widely recognized for employing a Multi-Strategy strategy. As of Sep 16, 2026, the firm oversees approximately $1.8B in assets under management (AUM). The portfolio demonstrates a clear preference for the Semiconductors and Software - Infrastructure sectors, reflecting a high-conviction approach to capital allocation.
Recent Market Moves
During the latest rebalancing period ending Aug 31, Klingenstein, Fields & Co., L.P. made a significant move by increasing exposure to PEP. This adjustment aligns with the fund's dynamic approach to risk management and capital deployment in current market conditions.
Investment Philosophy
Klingenstein Fields Advisors employs a client-centric investment philosophy that integrates long-term macroeconomic views with disciplined strategic asset allocation. The firm’s approach is rooted in stewardship, balancing the need for capital preservation with the pursuit of long-term growth and income. By utilizing proprietary equity strategies alongside a diverse array of traditional and alternative investments, KF Advisors constructs tailored portfolios designed to meet the unique financial objectives, risk tolerances, and tax considerations of each client. As a fiduciary, the firm emphasizes objective counsel, rigorous manager research, and tactical adjustments to navigate changing market environments while helping multi-generational families and institutions achieve their financial legacies.
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 Klingenstein, Fields & Co., L.P..
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Frequently asked questions
How is the simulated portfolio for Klingenstein, Fields & Co., 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 Klingenstein, Fields & Co., L.P.'s largest holding?
As of the latest filing, Klingenstein, Fields & Co., L.P.'s top position is Alphabet Inc Class A (GOOGL), representing 11.4% of the portfolio. This reflects a high-conviction bet by the institution.
What is Klingenstein, Fields & Co., L.P.'s historical performance and risk profile?
Our simulation indicates a total return of +15.6% with a win rate of 53%. Notably, the portfolio maintains a Sharpe Ratio of 3.13, suggesting an exceptional level of risk-adjusted returns compared to the broader market.
What sectors does Klingenstein, Fields & Co., L.P. primarily invest in?
Klingenstein, Fields & Co., L.P. has a strong preference for the Semiconductors sector, which makes up 17.3% of their disclosed assets. The portfolio also has exposure to Software - Infrastructure, indicating a specific thematic focus.
Is Klingenstein, Fields & Co., L.P.'s portfolio concentrated or diversified?
Klingenstein, Fields & Co., L.P. runs a moderately concentrated portfolio with 20 disclosed positions. The top 3 holdings alone account for 30.1% of the total portfolio weight, suggesting a strategy that favors broader market exposure.
How has Klingenstein, Fields & Co., L.P. performed in 2026?
Our AI-simulated model portfolio for Klingenstein, Fields & Co., L.P. tracks a Year-to-Date (YTD) return of +7.3%. This metric helps investors gauge the institution's effectiveness in the current market environment.
Does Kenneth D. Pollinger manage Klingenstein, Fields & Co., L.P. directly?
Yes, Kenneth D. Pollinger serves as the key portfolio manager for Klingenstein, Fields & Co., L.P., overseeing the investment strategy and final capital allocation decisions.