RIA / Investment Counsel

GILDER GAGNON HOWE & CO LLC

New York, NY SEC Registered Investment Advisor High Net Worth CIK: 0000902464
13F Score ?
24
3Y · Top 10 · Mgr Wt
13F Score ?
33
7Y · Top 10 · Mgr Wt
S&P 500 ?
80
Benchmark
$9.47B
AUM
-14.80%
2025 Q4
-16.28%
1-Year Return
+33.94%
Top 10 Concentration
+10.48%
Turnover
-3.46%
AUM Change
Since 1999
First Filing
249
# of Holdings

Fund Overview

13F Filed: 2026-02-17

As of 2025 Q4, Gilder Gagnon Howe & Co Llc manages $9.47B in reported 13F assets , holds 249 positions with +33.94% top-10 concentration , and delivered a 1-year return of -16.28% on its disclosed equity portfolio. Filing 13F reports since 1999.

About

Investment Strategy

Analytics Summary

Risk Profile

Key Personnel

Richard Gagnon — Managing Partner
Harold Levy — Partner & Portfolio Manager
Stephen Moore — Partner & Portfolio Manager
J. Parker Hall III — Partner & Portfolio Manager
Mark Perkins — Partner & Portfolio Manager
Official 13F Filings — SEC EDGAR Key personnel and Fund Overview may contain mistakes

Activity Summary — 2025 Q4

Q4 2025 13F Filed: Feb 17, 2026

Top Buys

% $
Stock % Impact
+0.85%
+0.62%
+0.60%
+0.56%
+0.56%
+0.56%

Top Sells

% $
Stock % Impact
-1.36%
-1.04%
-1.01%
-0.79%
-0.51%
-0.48%

Top Holdings

2025 Q4
Stock %
5.08%
4.38%
ETF
4.32%
3.70%
3.65%
3.45%
View All Holdings

Activity Summary

Latest
Market Value $9.47B
AUM Change -3.46%
New Positions 36
Increased Positions 55
Closed Positions 35
Top 10 Concentration +33.94%
Portfolio Turnover +10.48%
Alt Turnover +12.27%

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

GILDER GAGNON HOWE & CO LLC risk dashboard covering volatility, beta, value-at-risk, drawdowns, concentration, factor tilts, benchmark comparison, and stress testing for the latest disclosed portfolio.

Risk access
Building institutional risk profile...
Guru Intelligence Hub Pro
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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Real conviction scores for every holding  ·  Strategy Guardian alerts  ·  Live Scenario Lab stress tests
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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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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: GILDER GAGNON HOWE & CO LLC

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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 GILDER GAGNON HOWE & CO LLC's top 10 holdings against SPY identified 69 underperformance periods. Worst drawdown: 2021-11 – 2022-02 (-31.2% vs SPY, 4 quarters).

Avg. lag: -7.9% vs SPY Avg. duration: 1.7 quarters
Backtest Snapshot — Top 10 Holdings (Mn-Weighted)

The ticker-level breakdown shows how each of GILDER GAGNON HOWE & CO LLC'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: NVDA (2023 Q1 – 2025 Q3, +25.9 pts), NET (2021 Q1 – 2025 Q3, +17.9 pts), TSLA (2021 Q1 – 2025 Q3, +15.6 pts), META (2023 Q1 – 2025 Q3, +10.2 pts), AMZN (2021 Q1 – 2025 Q3, +6.9 pts) .

Strategy ann.: 12.7% SPY ann.: 8.2% Period: 1999–2026
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.
2023 Q1 – 2025 Q3 • 11Q in Top 10 Beat SPY
NVDA
+539%
SPY
+71%
Contrib
+25.9%
2021 Q1 – 2025 Q3 • 19Q in Top 10 Beat SPY
NET
+171%
SPY
+75%
Contrib
+17.9%
2021 Q1 – 2025 Q3 • 19Q in Top 10 Beat SPY
TSLA
+114%
SPY
+75%
Contrib
+15.6%
2023 Q1 – 2025 Q3 • 11Q in Top 10 Beat SPY
META
+168%
SPY
+71%
Contrib
+10.2%
2021 Q1 – 2025 Q3 • 19Q in Top 10 Lagged SPY
AMZN
+23%
SPY
+75%
Contrib
+6.9%
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 Gilder Gagnon Howe & Co Llc invest in?
Gilder Gagnon Howe & Co employs an aggressive growth investment philosophy targeting companies demonstrating exceptional business momentum, innovative products or services, and the potential for sustained above-market earnings expansion. The firm's approach reflects intellectual roots in technology optimism and faith in entrepreneurial capitalism to drive transformative wealth creation. Portfolio construction emphasizes identifying companies early in their growth trajectories—often innovative enterprises disrupting established industries or creating entirely new markets. The research process prioritizes understanding secular trends and identifying management teams capable of executing ambitious growth strategies. Sector exposures typically reflect these growth emphases, with historical tilts toward technology, healthcare innovation, consumer platforms benefiting from digital transformation, and emerging industries positioned for multi-year expansion. The firm demonstrates willingness to maintain substantial positions in high-conviction holdings, allowing winners to compound rather than prematurely trimming successful investments. This approach can generate concentrated exposure to individual securities that substantially outperform, contributing meaningfully to aggregate portfolio returns. The investment horizon extends beyond quarterly earnings cycles, with patience for volatility accompanying emerging growth companies navigating expansion phases. Analysis of **13F Portfolio Composition** and **Sector Allocation History** through backtesting tools reveals how this growth-oriented mandate manifests in disclosed holdings, with observable concentrations in innovative companies across market capitalizations.
What is Gilder Gagnon Howe & Co Llc's AUM?
Gilder Gagnon Howe & Co Llc reported $9.47B 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 Gilder Gagnon Howe & Co Llc's portfolio?
Gilder Gagnon Howe & Co Llc holds 249 disclosed positions. The top 10 holdings represent +33.94% of the reported portfolio, indicating a diversified investment approach.
How to track Gilder Gagnon Howe & Co Llc 13F filings?
Track Gilder Gagnon Howe & Co Llc'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 Gilder Gagnon Howe & Co Llc?
Gilder Gagnon Howe & Co Llc is managed by Richard Gagnon (Managing Partner), Harold Levy (Partner & Portfolio Manager), Stephen Moore (Partner & Portfolio Manager), J. Parker Hall III (Partner & Portfolio Manager), Mark Perkins (Partner & 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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