RIA

WINDWARD CAPITAL MANAGEMENT CO /CA

Los Angeles, CA SEC Registered Investment Advisor High Net Worth CIK: 0001078635
13F Score ?
16
3Y · Top 10 · Mgr Wt
13F Score ?
14
7Y · Top 10 · Mgr Wt
S&P 500 ?
80
Benchmark
$1.26B
AUM
+4.03%
2025 Q4
+5.23%
1-Year Return
+56.86%
Top 10 Concentration
+5.12%
Turnover
+0.67%
AUM Change
Since 2005
First Filing
71
# of Holdings

Fund Overview

13F Filed: 2026-01-28

As of 2025 Q4, Windward Capital Management Co /ca manages $1.26B in reported 13F assets , holds 71 positions with +56.86% top-10 concentration , and delivered a 1-year return of +5.23% on its disclosed equity portfolio. Filing 13F reports since 2005.

About

Investment Strategy

Analytics Summary

Risk Profile

Key Personnel

Alan R. Grigoletto — Founder & Chief Executive Officer
Donald J. Newell — President & Chief Investment Officer
Richard J. Apoian — Senior Portfolio Manager
Official 13F Filings — SEC EDGAR Key personnel and Fund Overview may contain mistakes

Activity Summary — 2025 Q4

Q4 2025 13F Filed: Jan 28, 2026

Top Buys

% $
Stock % Impact
+1.35%
+1.34%
+0.48%
+0.40%
+0.34%
+0.31%

Top Sells

% $
Stock % Impact
-1.03%
-0.50%
-0.45%
-0.44%
-0.41%
-0.27%

Top Holdings

2025 Q4
Stock %
16.73%
6.86%
6.84%
6.80%
4.55%
3.85%
View All Holdings

Activity Summary

Latest
Market Value $1.26B
AUM Change +0.67%
New Positions 2
Increased Positions 0
Closed Positions 0
Top 10 Concentration +56.86%
Portfolio Turnover +5.12%
Alt Turnover +5.45%

Sector Allocation Trends

Quarterly History
Free View: Last 10 Quarters. Subscribe to see full history

Holdings Analysis

Size: % of Portfolio Color: Last Full-Quarter Return No data
Free: 10 quarters

Positions Dynamics

Visualizing Top 20 holdings weight history over the last 10 quarters.

Portfolio Analytics — Latest

WINDWARD CAPITAL MANAGEMENT CO /CA risk dashboard covering volatility, beta, value-at-risk, drawdowns, concentration, factor tilts, benchmark comparison, and stress testing for the latest disclosed portfolio.

Risk access
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Real-time Analytics
High-Conviction Alpha
AAPL 92.4
NVDA 88.1
MSFT 74.3
Strategy Guardian
Style Drift 0.12
Sector Rotation 0.38

Tracking institutional benchmark deviation

Scenario Lab
2008 GFC -32.4%
Covid-19 -18.1%
2022 Bear -24.7%
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Best Strategy vs. Benchmarks

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Returns
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Latest Quarter
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1-Year Return
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Ann. Return
Risk
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Std Deviation
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Max Drawdown
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Beta vs SPY
Quality
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Sharpe
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Sortino
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Win Rate
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Payoff Ratio
Edge Metrics Last 10 quarters only
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Alpha annualized
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Up Capture
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Down Capture

Strategy Backtester: WINDWARD CAPITAL MANAGEMENT CO /CA

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Find the best N! Test multiple portfolio sizes at once to discover the optimal configuration.

Risk insights! Identify periods when the fund lagged the benchmark – critical for timing entries.

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Avg. Return

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Underperformance Analysis — Top 10 Holdings vs SPY

Backtesting WINDWARD CAPITAL MANAGEMENT CO /CA's top 10 holdings against SPY identified 56 underperformance periods. Worst drawdown: 2020-09 – 2021-05 (-30.2% vs SPY, 9 quarters).

Avg. lag: -5.9% vs SPY Avg. duration: 2.5 quarters
Backtest Snapshot — Top 10 Holdings (Mn-Weighted)

The ticker-level breakdown shows how each of WINDWARD CAPITAL MANAGEMENT CO /CA's top holdings contributed to portfolio returns quarter by quarter. Strongest recent contributors inside the last 5 years of the quarterly Top 10 backtest window: AAPL (2021 Q1 – 2025 Q3, +20.6 pts), GOOG (2021 Q1 – 2025 Q3, +9.8 pts), GOOGL (2021 Q1 – 2025 Q3, +8.5 pts), COST (2021 Q3 – 2025 Q3, +6.7 pts), AMZN (2021 Q1 – 2025 Q3, +5.0 pts) .

Strategy ann.: 7.4% SPY ann.: 10.8% Period: 2006–2026
Best Recent Contributors — Last 5Y
1 of 5 recent top contributors lagged SPY, which means even some of this fund's best return drivers still failed to beat a simple index over the same window.
2021 Q1 – 2025 Q3 • 19Q in Top 10 Beat SPY
AAPL
+91%
SPY
+79%
Contrib
+20.6%
2021 Q1 – 2025 Q3 • 19Q in Top 10 Beat SPY
GOOG
+193%
SPY
+79%
Contrib
+9.8%
2021 Q1 – 2025 Q3 • 18Q in Top 10 Beat SPY
GOOGL
+142%
SPY
+67%
Contrib
+8.5%
2021 Q3 – 2025 Q3 • 17Q in Top 10 Beat SPY
COST
+115%
SPY
+70%
Contrib
+6.7%
2021 Q1 – 2025 Q3 • 19Q in Top 10 Lagged SPY
AMZN
+44%
SPY
+79%
Contrib
+5.0%
Stock return (green = beat SPY)   Stock return (red = lagged SPY)   SPY same period   Cumulative contribution during the last 5 years of the quarterly Mn-weighted Top 10 strategy

Frequently Asked Questions

What does Windward Capital Management Co /ca invest in?
Windward Capital Management employs a quality-focused growth investment strategy emphasizing large-cap equities with sustainable competitive advantages, strong financial positions, and consistent earnings growth profiles. The firm's investment philosophy centers on identifying companies whose business models, management quality, and market positions support long-term value creation, seeking to participate in the compounding that occurs when excellent businesses are held through multiple market cycles. Observable **13F Portfolio Composition** patterns reveal diversified positioning across major market sectors with particular emphasis on established industry leaders demonstrating durable growth characteristics and quality financial metrics. The **Sector Allocation History** demonstrates balanced exposure with meaningful allocations to sectors offering secular growth potential including technology, healthcare, and consumer industries, while maintaining diversification that moderates single-sector concentration risk. Windward's approach integrates top-down macroeconomic perspective with bottom-up fundamental research, emphasizing companies with expanding addressable markets, pricing power, and capital allocation discipline. The quality orientation favors businesses generating strong free cash flow, maintaining conservative balance sheets, and demonstrating consistent return on invested capital metrics that indicate durable competitive positioning. Low-to-moderate turnover reflects patient capital deployment aligned with long-term investment horizons, allowing successful positions to compound while minimizing transaction costs and tax consequences.
What is Windward Capital Management Co /ca's AUM?
Windward Capital Management Co /ca reported $1.26B in 13F assets as of 2025 Q4. Note: 13F AUM reflects only long equity positions reported to the SEC and may differ from total assets under management.
How concentrated is Windward Capital Management Co /ca's portfolio?
Windward Capital Management Co /ca holds 71 disclosed positions. The top 10 holdings represent +56.86% of the reported portfolio, indicating a highly concentrated investment approach.
How to track Windward Capital Management Co /ca 13F filings?
Track Windward Capital Management Co /ca's quarterly filings on SEC EDGAR or on this page — data is updated within days of each filing deadline. Subscribe to 13Foresight for position-change alerts.
Who manages Windward Capital Management Co /ca?
Windward Capital Management Co /ca is managed by Alan R. Grigoletto (Founder & Chief Executive Officer), Donald J. Newell (President & Chief Investment Officer), Richard J. Apoian (Senior Portfolio Manager).

Disclaimer: 13Foresight is not a registered investment adviser, broker-dealer, or financial planner. All information on this site is provided solely for informational and educational purposes and does not constitute investment advice, a solicitation, or a recommendation to buy or sell any security. Portfolio backtests shown on this page are hypothetical and simulated — they do not represent actual trading results and were constructed with the benefit of hindsight. Actual results would differ materially. 13F filings disclose only long equity positions valued above $10,000, submitted up to 45 days after quarter-end; they do not capture short positions, options, bonds, cash, private investments, or non-U.S. securities. A fund's backtest performance may not reflect its actual returns, as managers frequently generate alpha through strategies not visible in 13F data. Past performance is not indicative of future results. All data sourced from public SEC EDGAR filings. Use at your own risk. Full Terms of Use.

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