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MASECO LLP

Location
LONDON, X0
Portfolio Value
Micro $37,711,951
Diversification
Diversified
Filing Date
Global Rank
#7,253 / 8,517 ▲ 398
Top Industry
Internet Content & Information 21.2%
3Y Alpha vs SPY
+5.3%
Period ended 46 days ago
Filed Aug 5, 2026 · 10d
5 quarters · since Jun 2025

Clone Performance

Aug 2025–Aug 2026 · vs SPY

Hypothetical growth of buying every stock this filer reported holding, rebalancing on each filing and indexed to the same start. Option positions cannot be bought this way and are left out.

Cloned portfolio
+25.3%
SPY
+20.4%
Annualised alpha
+4.9%
Max drawdown
−11.1%

Estimate. 13F holdings are quarter-lagged, so the clone rebalances about 45 days after each period end — when the filing becomes public — and it excludes option and short positions. Returns use comparable raw closes and exclude dividends; a captured split can shorten the simulated window. It tracks 100% of reported value on average across 5 quarters. Past performance does not predict future results.

Portfolio Concentration

130 tracked positions · as of Jun 30, 2026 · Δ vs Mar 31, 2026
Top Position
21.7%
+2.6 pts
Top 5
58.3%
+4.9 pts
Top 10
74.2%
+4.6 pts
HHI
965
Jun 2025 → Jun 2026 · range 638 – 1,456
Diversified+183

Portfolio Trend

5 quarters · across all stocks

Sector Breakdown

As of Jun 30, 2026
Sector % Portfolio Value
Unclassified 24.8% $9,336,861
Financial Services 21.8% $8,221,624
Communication Services 16.8% $6,317,832
Healthcare 12.5% $4,706,524
Technology 11.9% $4,492,407
Industrials 4.0% $1,500,450
Consumer Cyclical 3.9% $1,457,173
Consumer Defensive 3.1% $1,173,842
Basic Materials 0.7% $275,156
Energy 0.5% $171,597
Utilities 0.2% $58,485

Last Quarter's Activity

Export CSV
Jun 30, 2026 vs Mar 31, 2026

Added To

Positions the filer increased
25 positions
Ticker Δ Shares Shares Value Open

Trimmed

Positions the filer reduced
25 positions
Ticker Δ Shares Shares Value Open

New Positions

Positions the filer opened this quarter
8 positions
Ticker Shares Value Open

Sold Out

Positions the filer fully exited
25 positions
Ticker Shares Value Open

Portfolio Positions

Export CSV View 13F filing
130 tracked positions · $37,711,951 total · filing declares 291 positions · $3,558,047,703 · as of Jun 30, 2026
Showing 1–50 of 130 positions by value · page 1 of 3
Ticker Company Shares Value (USD) % of Portfolio History

Covers the securities this platform tracks: U.S.-listed common stock and the put/call positions reported on it. A 13F can also report security types outside that coverage — preferred shares, bonds, warrants, untracked share classes — so the filing's own declared total can exceed the figures above. The source filing is linked at the top of this table.