RIA

Kemnay Advisory Services Inc.

New York, NY SEC Registered Investment Advisor High Net Worth CIK: 0001555283
13F Score ?
14
3Y · Top 10 · Mgr Wt
13F Score ?
14
7Y · Top 10 · Mgr Wt
S&P 500 ?
80
Benchmark
$622M
AUM
+9.68%
2026 Q1
-1.16%
1-Year Return
+71.68%
Top 10 Concentration
+12.16%
Turnover
-6.15%
AUM Change
Since 2012
First Filing
1190
# of Holdings

Fund Overview

13F Filed: 2026-05-15

As of 2026 Q1, Kemnay Advisory Services Inc. manages $622M in reported 13F assets , holds 1190 positions with +71.68% top-10 concentration , and delivered a 1-year return of -1.16% on its disclosed equity portfolio. Filing 13F reports since 2012.

About

Investment Strategy

Analytics Summary

Risk Profile

Key Personnel

David Kahn — President & Chief Investment Officer
Official 13F Filings — SEC EDGAR Key personnel and Fund Overview may contain mistakes

Activity Summary — 2026 Q1

Q1 2026 13F Filed: May 15, 2026

Top Buys

% $
Stock % Impact
+4.18%
+3.13%
+1.77%
+0.08%
+0.03%
+0.02%

Top Sells

% $
Stock % Impact
Bond/Debt
-6.83%
-2.45%
-2.02%
-0.77%
-0.55%
-0.49%

Top Holdings

2026 Q1
Stock %
Bond/Debt
24.37%
15.46%
8.28%
5.76%
ETF
3.13%
3.04%
View All Holdings

Activity Summary

Latest
Market Value $622M
AUM Change -6.15%
New Positions 455
Increased Positions 393
Closed Positions 127
Top 10 Concentration +71.68%
Portfolio Turnover +12.16%
Alt Turnover +15.44%

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

Kemnay Advisory Services Inc. 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...
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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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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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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: Kemnay Advisory Services Inc.

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

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Underperformance Analysis — Top 10 Holdings vs SPY

Backtesting Kemnay Advisory Services Inc.'s top 10 holdings against SPY identified 46 underperformance periods. Worst drawdown: 2021-11 – 2022-01 (-18.7% vs SPY, 3 quarters).

Avg. lag: -5.1% vs SPY Avg. duration: 1.7 quarters
Backtest Snapshot — Top 10 Holdings (Mn-Weighted)

The ticker-level breakdown shows how each of Kemnay Advisory Services Inc.'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: COIN (2021 Q2 – 2025 Q4, +16.7 pts), VNO (2023 Q3 – 2025 Q4, +14.5 pts), TSM (2024 Q3 – 2025 Q4, +6.7 pts), EWJ (2021 Q2 – 2025 Q4, +5.3 pts), QCOM (2023 Q1 – 2024 Q3, +4.3 pts) .

Strategy ann.: 10.7% SPY ann.: 14.6% Period: 2013–2026
Best Recent Contributors — Last 5Y
3 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 Q2 – 2025 Q4 • 17Q in Top 10 Lagged SPY
COIN
+39%
SPY
+90%
Contrib
+16.7%
2023 Q3 – 2025 Q4 • 10Q in Top 10 Lagged SPY
VNO
+34%
SPY
+70%
Contrib
+14.5%
2024 Q3 – 2025 Q4 • 5Q in Top 10 Beat SPY
TSM
+136%
SPY
+31%
Contrib
+6.7%
2021 Q2 – 2025 Q4 • 9Q in Top 10 Lagged SPY
EWJ
+46%
SPY
+50%
Contrib
+5.3%
2023 Q1 – 2024 Q3 • 7Q in Top 10 Beat SPY
QCOM
+59%
SPY
+51%
Contrib
+4.3%
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 Kemnay Advisory Services Inc. invest in?
Kemnay Advisory Services employs an active, opportunistic investment philosophy that seeks to capitalize on valuation dislocations and market inefficiencies across sectors. The firm's approach combines fundamental analysis with tactical allocation, adjusting sector and position weightings based on evolving opportunities rather than adhering to static benchmark allocations. This flexible methodology enables the portfolio to pursue attractive risk-reward opportunities wherever they emerge across the equity market landscape. The **13F Portfolio Composition** reveals diversified exposure across Technology, Healthcare, and Consumer sectors, with tactical weightings that adjust over time based on opportunity set assessment. This multi-sector approach suggests the firm evaluates opportunities on individual merit rather than constraining selections to specific industry verticals. The active value orientation emphasizes identifying companies trading below intrinsic value estimates, whether due to temporary market dislocations, misunderstood fundamentals, or overlooked growth potential. Observable patterns in the firm's **Sector Allocation History** across filing periods illuminate the tactical nature of the investment approach. Unlike strategic allocators maintaining consistent sector weights, Kemnay Advisory Services appears to adjust exposures based on relative attractiveness across industries. This dynamic allocation requires continuous research coverage across multiple sectors and willingness to build or reduce positions as valuation relationships evolve. Portfolio turnover appears moderate to high, consistent with an opportunistic approach that responds to changing market conditions and valuation signals. The active management style necessitates ongoing position evaluation and willingness to realize gains or cut losses as investment theses play out or are invalidated by new information.
What is Kemnay Advisory Services Inc.'s AUM?
Kemnay Advisory Services Inc. reported $622M in 13F assets as of 2026 Q1. Note: 13F AUM reflects only long equity positions reported to the SEC and may differ from total assets under management.
How concentrated is Kemnay Advisory Services Inc.'s portfolio?
Kemnay Advisory Services Inc. holds 1190 disclosed positions. The top 10 holdings represent +71.68% of the reported portfolio, indicating a highly concentrated investment approach.
How to track Kemnay Advisory Services Inc. 13F filings?
Track Kemnay Advisory Services Inc.'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 Kemnay Advisory Services Inc.?
Kemnay Advisory Services Inc. is managed by David Kahn (President & Chief Investment Officer).

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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