What if you invested in Pfizer in 2020?
PFE · Healthcare · Data through 2026-06-01
If you invested $1,000 in Pfizer in 2020
The same $1,000 in the S&P 500 would be worth $2,540(+154%)
The S&P 500 returned $2,540 on the same $1,000. S&P 500 outperformed by $1,604.
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Growth of $1,000
Pfizer vs. S&P 500 vs. US Dollar, 2020 to present
Year-by-Year Returns
$1,000 invested in Pfizer starting January 2020
| Year | Price | Value | Annual |
|---|---|---|---|
| 2020 | $25.74 | $1,000 | - |
| 2021 | $27.22 | $1,058 | +5.8% |
| 2022 | $41.51 | $1,613 | +52.5% |
| 2023 | $35.92 | $1,396 | -13.5% |
| 2024 | $23.03 | $895 | -35.9% |
| 2025 | $23.93 | $930 | +3.9% |
| 2026 | $25.58 | $994 | +6.9% |
What this return means
Buying Pfizer (PFE) in 2020 cost you money. That stake is worth $936 as of 2026-06-01, a -6.4% move that left you with less than you started with after 6.6 years.
That averages out to -1.0% a year, meaning the position shrank in compound terms across the 6.6-year window. The same $1,000 in an S&P 500 index fund would be about $2,540 over the identical span, so the index came out ahead by roughly $1,604. The index compounded at about 15.2% a year, a reminder that a single stock can lag a basket of them.
Getting here meant sitting through real volatility. The best single year was 2022 at +52.5%, and the worst was 2024 at -35.9%. At its lowest point the position was down about 45% from an earlier high. These figures use split-adjusted closing prices and exclude dividends, taxes, trading fees, and inflation, so a real after-tax result would differ.
This is historical math, not financial advice. Past performance does not guarantee future results.
What if you invested $100 a month instead?
Most people do not drop a lump sum in on day one. They add a fixed amount every month. Putting $100 into Pfizer at the close of every month from January 2020 through June 2026 means 78 buys and $7,800 contributed over about 6.5 years.
$100/month, dollar-cost averaged
$6,724
-13.8% on $7,800 in
Same $7,800, all in at the start
$7,297
-6.4% on $7,800 in
Going all in at the start beat spreading the buys out by $573. That is the usual result when a stock trends up: each monthly buy pays a higher price than the last, so the average cost climbs. Averaging in also meant an average buy price of $27.93 per share across the whole stretch, so the monthly buyer never had to time a single low. Neither number counts dividends, taxes, or trading costs.
Illustrative fixed $100/month example, not a recommendation. Figures are computed from PFE split-adjusted monthly closes through June 2026. Past performance does not guarantee future results.
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For informational and educational purposes only. Not financial advice. Past performance does not guarantee future results. All calculations are based on split-adjusted closing prices from Yahoo Finance and do not account for dividends, taxes, or trading fees. See our methodology and full disclaimer.