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EXCALIBUR MANAGEMENT CORP

Location
WALTHAM, MA
Portfolio Value
Small $264,602,212
Diversification
Diversified
Filing Date
Global Rank
#3,322 / 8,232 ▲ 191
Top Industry
Drug Manufacturers - General 12.4%
3Y Alpha vs SPY
-3.6%
Period ended 2 months ago
Filed May 5, 2026 · 40d
25 quarters · since Mar 2020

Clone Performance

Jun 2023–Jun 2026 · vs SPY

Hypothetical growth of cloning every reported 13F position and rebalancing on each filing, indexed to the same start.

Cloned portfolio
+60.8%
SPY
+76.3%
Annualised alpha
-3.6%
Max drawdown
−15.2%

Estimate. 13F holdings are quarter-lagged and long-only, so the clone rebalances about 45 days after each period end — when the filing becomes public — and excludes options and short positions. Past performance does not predict future results.

Portfolio Concentration

148 positions · as of Mar 31, 2026 · Δ vs Dec 31, 2025
Top Position
9.0%
+0.3 pts
Top 5
26.2%
−1.9 pts
Top 10
37.8%
−1.4 pts
HHI
236
Jun 2023 → Mar 2026 · range 236 – 335
Diversified−9

Portfolio Trend

25 quarters · across all stocks

Sector Breakdown

As of Mar 31, 2026
Sector % Portfolio Value
Financial Services 17.8% $47,110,333
Industrials 17.8% $47,021,726
Technology 16.2% $42,969,366
Healthcare 15.0% $39,771,160
Communication Services 9.1% $24,163,681
Consumer Defensive 7.6% $20,138,767
Energy 5.6% $14,800,862
Consumer Cyclical 3.1% $8,322,716
Utilities 3.0% $7,833,860
Unclassified 2.4% $6,457,857
Basic Materials 1.3% $3,359,671
Real Estate 1.0% $2,652,213

Last Quarter's Activity

Export CSV
Mar 31, 2026 vs Dec 31, 2025

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
5 positions
Ticker Shares Value Open

Sold Out

Positions the filer fully exited
5 positions
Ticker Shares Value Open

Portfolio Positions

Export CSV View 13F filing
148 positions · $264,602,212 total · as of Mar 31, 2026
Showing 1–50 of 148 positions by value · page 1 of 3
Ticker Company Shares Value (USD) % of Portfolio History