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McMillan Office, Inc.

Location
ST. CLAIR SHORES, MI
Portfolio Value
Small $689,136,608
Diversification
Diversified
Filing Date
Global Rank
#2,188 / 8,603 ▼ 29 · as of Mar 2026
Top Industry
Internet Content & Information 21.3%
3Y Alpha vs SPY
+2.2%
Period ended 3 months ago
Filed Apr 23, 2026 · 3mo
2 quarters · since Dec 2025

Clone Performance

Feb 2026–Jul 2026 · vs SPY

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

Cloned portfolio
+9.8%
SPY
+9.6%
Annualised alpha
+0.4%
Max drawdown
−9.3%

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

405 positions · as of Mar 31, 2026 · Δ vs Dec 31, 2025
Top Position
13.7%
−0.4 pts
Top 5
45.1%
−2.2 pts
Top 10
58.4%
−2.2 pts
HHI
537
Dec 2025 → Mar 2026 · range 537 – 569
Diversified−32

Portfolio Trend

2 quarters · across all stocks

Sector Breakdown

As of Mar 31, 2026
Sector % Portfolio Value
Technology 24.6% $169,534,866
Communication Services 20.4% $140,922,705
Financial Services 12.4% $85,169,183
Healthcare 11.0% $75,591,822
Industrials 7.3% $50,583,691
Consumer Cyclical 6.8% $46,613,524
Unclassified 6.5% $44,927,624
Consumer Defensive 6.5% $44,884,075
Basic Materials 2.4% $16,417,346
Energy 1.2% $8,422,774
Utilities 0.8% $5,403,701
Real Estate 0.1% $665,297

Last Quarter's Activity

Export CSV
Mar 31, 2026 vs Dec 31, 2025

Added To

Positions the filer increased
23 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
12 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
405 positions · $689,136,608 total · as of Mar 31, 2026
Showing 1–50 of 405 positions by value · page 1 of 9
Ticker Company Shares Value (USD) % of Portfolio History