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Howard Hughes Medical Institute

Location
Chevy Chase, MD
Portfolio Value
Small $411,602,162
Diversification
Diversified
Filing Date
Global Rank
#2,904 / 8,616 ▲ 1755 · as of Mar 2026
Top Industry
Semiconductors 32.6%
3Y Alpha vs SPY
-10.5%
Period ended 4 months ago
Filed May 15, 2026 · 2mo
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
+31.4%
SPY
+73.3%
Annualised alpha
-10.6%
Max drawdown
−29.4%

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

31 positions · as of Mar 31, 2026 · Δ vs Dec 31, 2025
Top Position
13.9%
−79.1 pts
Top 5
59.1%
−35.8 pts
Top 10
84.2%
−11.6 pts
HHI
863
Jun 2023 → Mar 2026 · range 863 – 10,000
Diversified−7,801

Portfolio Trend

25 quarters · across all stocks

Sector Breakdown

As of Mar 31, 2026
Sector % Portfolio Value
Technology 59.3% $244,252,240
Communication Services 16.3% $66,944,323
Unclassified 13.9% $57,350,232
Consumer Cyclical 10.5% $43,055,367

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
1 positions
Ticker Δ Shares Shares Value Open

New Positions

Positions the filer opened this quarter
3 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
31 positions · $411,602,162 total · as of Mar 31, 2026
Ticker Company Shares Value (USD) % of Portfolio History