DM
Republican · Senate · PA
Dave McCormick's stock portfolio and returns vs the S&P 500, built from publicly disclosed congressional trades. Simulated using FIFO position matching and time-weighted returns.
Portfolio Value
$2.3M
Unrealized P&L
$206K
+10.0%
Realized P&L
$0
Open Positions
7
Performance vs S&P 500
1M
+6.2%
SPY +3.7%
α +2.5%
3M
+3.4%
SPY +4.6%
α -1.2%
6M
+3.0%
SPY +11.4%
α -8.5%
1Y
+5.4%
SPY +22.3%
α -16.8%
3Y
-18.9%
SPY +33.0%
α -51.9%
5Y
-18.9%
SPY +33.0%
α -51.9%
All
-18.9%
SPY +33.0%
α -51.9%
Head-to-head with S&P 500
Live Holdings6 positions
About this simulation
This portfolio is a simulation built from publicly disclosed STOCK Act filings. Since politicians only report trade amounts as ranges (e.g., “$1,001 - $15,000”), we use the midpoint of each range and the closing price on the trade date to estimate share counts. Returns are calculated using Time-Weighted Return (TWR), the industry standard for measuring stock-picking skill independent of cash flow timing. Read the full methodology →