International Investment Partnership

53 HOUSE LLP — 13F Portfolio

SEC Registered (13F Filer) Private CIK: 0001636974
13F Score ?
12
3Y · Top 10 · Mgr Wt
13F Score ?
9
7Y · Top 10 · Mgr Wt
S&P 500 ?
80
Benchmark
$113M
AUM
+0.00%
2026 Q1
+110.13%
1-Year Return
+100.00%
Top 10 Concentration
+0.00%
Turnover
N/A
AUM Change
Since 2015
First Filing
8
# of Holdings

Fund Overview

13F Filed: 2026-05-15

As of 2026 Q1, 53 House Llp manages $113M in reported 13F assets , holds 8 positions with +100.00% top-10 concentration , and delivered a 1-year return of +110.13% on its disclosed equity portfolio. Filing 13F reports since 2015. View full holdings list →

About

Investment Strategy

Analytics Summary

Risk Profile

Key Personnel

Information not publicly disclosed — Managing Partners
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
No major buys detected

Top Sells

% $
Stock % Impact
No major sells detected

Top Holdings

2026 Q1 Top 6 mgr. wt. · 2026 Q1+0.00%
Stock %
39.93%
13.93%
10.65%
10.06%
10.00%
8.63%
View All Holdings

Activity Summary

Latest
Market Value $113M
AUM Change N/A
New Positions 0
Increased Positions 0
Closed Positions 0
Top 10 Concentration +100.00%
Portfolio Turnover +0.00%
Alt Turnover +0.00%

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

53 HOUSE LLP 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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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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Max Drawdown
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Beta vs SPY
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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: 53 HOUSE LLP

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Underperformance Analysis — Top 10 Holdings vs SPY

Backtesting 53 HOUSE LLP's top 10 holdings against SPY identified 27 underperformance periods. Worst drawdown: 2021-05 – 2022-04 (-32.3% vs SPY, 12 quarters).

Avg. lag: -9.2% vs SPY Avg. duration: 2.6 quarters
Backtest Snapshot — Top 10 Holdings (Mn-Weighted)

The ticker-level breakdown shows how each of 53 HOUSE LLP'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: SNDK (2025 Q1 – 2025 Q4, +28.2 pts), WDC (2021 Q2 – 2025 Q4, +27.4 pts), TAL (2022 Q3 – 2024 Q4, +16.3 pts), MU (2023 Q2 – 2023 Q4, +11.8 pts), VIK (2025 Q1 – 2025 Q4, +9.2 pts) .

Strategy ann.: 8.8% SPY ann.: 15.7% Period: 2016–2026
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.
2025 Q1 – 2025 Q4 • 4Q in Top 10 Beat SPY
SNDK
+3137%
SPY
+27%
Contrib
+28.2%
2021 Q2 – 2025 Q4 • 17Q in Top 10 Beat SPY
WDC
+668%
SPY
+77%
Contrib
+27.4%
2022 Q3 – 2024 Q4 • 10Q in Top 10 Beat SPY
TAL
+97%
SPY
+54%
Contrib
+16.3%
2023 Q2 – 2023 Q4 • 3Q in Top 10 Beat SPY
MU
+87%
SPY
+19%
Contrib
+11.8%
2025 Q1 – 2025 Q4 • 4Q in Top 10 Beat SPY
VIK
+80%
SPY
+27%
Contrib
+9.2%
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 53 House Llp invest in?
53 House LLP's investment approach, as observable through 13F filings, requires inference from position characteristics, portfolio construction patterns, and filing evolution given the absence of published strategy documentation or public communications. The firm's **13F Portfolio Composition** provides insights into investment philosophy, though definitive conclusions remain limited without supplementary disclosure. International investment partnerships often serve specialized roles including family office platforms for European high-net-worth families, strategic investment vehicles for institutional capital, private wealth management for select clients, or corporate treasury functions for international business groups. Portfolio construction observable through filings may demonstrate either concentrated positions suggesting strategic stakes or conviction-weighted approaches, or alternatively diversified exposure consistent with wealth preservation, treasury management, or traditional asset allocation mandates. The presence of sustained positions in specific sectors or individual companies might indicate industry expertise, strategic business relationships, or long-term investment theses around particular opportunities. Conversely, balanced sector exposure would suggest broader portfolio objectives emphasizing diversification and market participation rather than concentrated thematic bets. **Sector Allocation History** patterns across consecutive quarterly filings reveal whether 53 House maintains stable strategic positions or demonstrates active portfolio management with tactical sector rotation. Low turnover with persistent holdings suggests buy-and-hold orientation typical of long-term investors, family office structures, or strategic platforms, while higher turnover might indicate opportunistic trading, tactical asset allocation, or responsive portfolio management adapting to changing market conditions. The UK domicile and international operating base complicate interpretation, as disclosed U.S. positions may represent only one component of globally diversified portfolios potentially weighted toward European equities, UK domestic markets, or emerging market exposures. Position sizing patterns within disclosed holdings offer insights into investment approach and risk management frameworks. **Top 10 Holdings Concentration** metrics reveal whether the strategy emphasizes concentrated conviction positions in select opportunities or maintains diversified exposure across numerous holdings to reduce idiosyncratic risks. International partnerships managing private wealth often balance concentrated positions in areas of expertise or conviction against diversification requirements for capital preservation and risk management. The London base itself carries strategic implications including access to European institutional investors, proximity to UK and continental European corporate headquarters, participation in local market networks, and operation under UK financial regulatory frameworks. International investment entities often balance tax efficiency across jurisdictions with operational considerations around talent access, client proximity, and regulatory compliance. Understanding 53 House requires recognizing these structural and jurisdictional factors alongside observable portfolio characteristics from public U.S. equity filings.
What is 53 House Llp's AUM?
53 House Llp reported $113M 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 53 House Llp's portfolio?
53 House Llp holds 8 disclosed positions. The top 10 holdings represent +100.00% of the reported portfolio, indicating a highly concentrated investment approach.
How to track 53 House Llp 13F filings?
Track 53 House Llp'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 53 House Llp?
53 House Llp is managed by Information not publicly disclosed (Managing Partners).

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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