Hedge Fund

Blue Door Asset Management, LLC

San Francisco, CA SEC Registered Investment Advisor Institutional CIK: 0001909147
13F Score ?
28
3Y · Top 10 · Mgr Wt
13F Score ?
7Y · Top 10 · Mgr Wt
S&P 500 ?
80
Benchmark
$159M
AUM
+11.67%
2026 Q1
+25.31%
1-Year Return
+83.96%
Top 10 Concentration
+31.14%
Turnover
-35.80%
AUM Change
Since 2021
First Filing
18
# of Holdings

Fund Overview

13F Filed: 2026-05-15

As of 2026 Q1, Blue Door Asset Management, Llc manages $159M in reported 13F assets , holds 18 positions with +83.96% top-10 concentration , and delivered a 1-year return of +25.31% on its disclosed equity portfolio. Filing 13F reports since 2021.

About

Investment Strategy

Analytics Summary

Risk Profile

Key Personnel

David Liu — Founder & 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
+7.75%
+4.38%
+3.47%
+3.18%
+2.54%
+2.51%

Top Sells

% $
Stock % Impact
PUT Option
Sold All 😨 Was: 16.32%
-25.42%
Sold All 😨 Was: 7.44% -11.59%
Sold All 😨 Was: 3.89% -6.05%
Sold All 😨 Was: 3.15% -4.91%
Sold All 😨 Was: 2.73% -4.25%
NICE NICE LTD..
-3.51%

Top Holdings

2026 Q1
Stock %
17.35%
11.48%
10.82%
10.44%
7.75%
6.67%
View All Holdings

Activity Summary

Latest
Market Value $159M
AUM Change -35.80%
New Positions 4
Increased Positions 7
Closed Positions 9
Top 10 Concentration +83.96%
Portfolio Turnover +31.14%
Alt Turnover +47.08%

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

Blue Door Asset Management, 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...
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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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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: Blue Door Asset Management, LLC

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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 Blue Door Asset Management, LLC's top 10 holdings against SPY identified 14 underperformance periods. Worst drawdown: 2023-09 – 2023-11 (-15.8% vs SPY, 3 quarters). Currently underperforming.

Avg. lag: -7.0% vs SPY Avg. duration: 2.0 quarters
Backtest Snapshot — Top 10 Holdings (Mn-Weighted)

The ticker-level breakdown shows how each of Blue Door Asset Management, 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: FLEX (2021 Q4 – 2025 Q4, +51.9 pts), VRT (2021 Q4 – 2025 Q3, +37.9 pts), NXT (2023 Q1 – 2025 Q4, +16.3 pts), JBL (2024 Q4 – 2025 Q4, +5.6 pts), HRI (2022 Q2 – 2024 Q2, +2.6 pts) .

Strategy ann.: 9.2% SPY ann.: 13.5% Period: 2022–2026
Best Recent Contributors — Last 5Y
All 5 recent top contributors beat SPY, which means this fund's strongest recent return drivers also outperformed the index over the same window.
2021 Q4 – 2025 Q4 • 17Q in Top 10 Beat SPY
FLEX
+1030%
SPY
+78%
Contrib
+51.9%
2021 Q4 – 2025 Q3 • 14Q in Top 10 Beat SPY
VRT
+913%
SPY
+46%
Contrib
+37.9%
2023 Q1 – 2025 Q4 • 12Q in Top 10 Beat SPY
NXT
+223%
SPY
+86%
Contrib
+16.3%
2024 Q4 – 2025 Q4 • 5Q in Top 10 Beat SPY
JBL
+106%
SPY
+23%
Contrib
+5.6%
2022 Q2 – 2024 Q2 • 9Q in Top 10 Beat SPY
HRI
+64%
SPY
+43%
Contrib
+2.6%
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 Blue Door Asset Management, Llc invest in?
Blue Door Asset Management employs an opportunistic growth investment approach characterized by concentrated positioning in companies demonstrating compelling appreciation potential. The investment philosophy emphasizes identifying businesses benefiting from secular growth trends, competitive advantages, and superior execution—characteristics prevalent among technology and consumer discretionary leaders transforming their respective industries. The San Francisco location informs the investment perspective, with proximity to Silicon Valley providing insight into technology sector dynamics, emerging business models, and competitive landscapes not readily accessible from traditional financial centers. This geographic advantage supports differentiated due diligence and real-time understanding of innovation trajectories shaping growth stock valuations. The portfolio construction reflects technology and consumer discretionary orientation, targeting sectors characterized by rapid change, network effects, and winner-take-most competitive dynamics. These sectors offer significant upside potential when identifying successful innovators, balanced against elevated risk when competitive positions erode or execution falters. Concentrated positioning amplifies security selection importance, requiring disciplined fundamental analysis and conviction management. The **Sector Allocation History** available through this platform reveals sector exposure evolution across reporting periods, with technology and consumer discretionary representing persistent themes within the investment approach. Moderate turnover characteristics suggest balanced approach between conviction-based position maintenance and responsiveness to changing fundamentals or valuations. INVESTMENT STRATEGY CONTINUED The opportunistic framework allows flexibility across market capitalizations, from established large-cap technology leaders to emerging growth companies earlier in their appreciation trajectories.
What is Blue Door Asset Management, Llc's AUM?
Blue Door Asset Management, Llc reported $159M 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 Blue Door Asset Management, Llc's portfolio?
Blue Door Asset Management, Llc holds 18 disclosed positions. The top 10 holdings represent +83.96% of the reported portfolio, indicating a highly concentrated investment approach.
How to track Blue Door Asset Management, Llc 13F filings?
Track Blue Door Asset Management, 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 Blue Door Asset Management, Llc?
Blue Door Asset Management, Llc is managed by David Liu (Founder & 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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