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SUMMITRY LLC

Location
Foster City, CA
Portfolio Value
Mid $2,447,137,783
Diversification
Diversified
Filing Date
Global Rank
#1,068 / 8,603 ▲ 139 · as of Mar 2026
Top Industry
Semiconductors 10.2%
3Y Alpha vs SPY
-4.1%
Period ended 3 months ago
Filed May 22, 2026 · 48d
25 quarters · since Mar 2020

Clone Performance

Jul 2023–Jul 2026 · vs SPY

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

Cloned portfolio
+57.0%
SPY
+76.0%
Annualised alpha
-4.5%
Max drawdown
−21.1%

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

244 positions · as of Mar 31, 2026 · Δ vs Dec 31, 2025
Top Position
7.3%
−1.2 pts
Top 5
25.5%
−4.8 pts
Top 10
41.4%
−9.4 pts
HHI
280
Jun 2023 → Mar 2026 · range 280 – 437
Diversified−106

Portfolio Trend

25 quarters · across all stocks

Sector Breakdown

As of Mar 31, 2026
Sector % Portfolio Value
Technology 21.5% $526,718,302
Financial Services 18.7% $457,732,793
Consumer Cyclical 17.1% $418,275,209
Industrials 13.6% $332,880,863
Healthcare 10.1% $246,138,282
Communication Services 10.0% $245,508,189
Energy 2.4% $57,589,109
Unclassified 2.2% $53,958,334
Consumer Defensive 2.0% $48,345,338
Utilities 1.2% $29,787,210
Basic Materials 1.2% $28,155,778
Real Estate 0.1% $2,048,376

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
25 positions
Ticker Shares Value Open

Sold Out

Positions the filer fully exited
23 positions
Ticker Shares Value Open

Portfolio Positions

Export CSV View 13F filing
244 positions · $2,447,137,783 total · as of Mar 31, 2026
Showing 1–50 of 244 positions by value · page 1 of 5
Ticker Company Shares Value (USD) % of Portfolio History