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REGN
Regeneron Pharmaceuticals Inc.Stock · Healthcare
$654.27+$29.55 (+4.73%)as of market close, Jul 2, 2026
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If you invested $1,000 in REGN — what it would be worth today

If you invested in REGN

A $1,000 investment in Regeneron Pharmaceuticals Inc. (REGN) in January 2016 would be worth $1,570 as of July 2026 with dividends reinvested4.4% a year. Use the dropdowns above to try any amount, ticker, or starting month back to April 1991.

Over the same period, the same $1,000 would be worth $4,545 in the S&P 500 (SPY) and $7,377 in the Nasdaq-100 (QQQ). REGN trailed both the S&P 500 and the Nasdaq-100 over that period.

Worth today
$1,570
Multiple
1.6×
Annualized
4.4%/yr
Max drawdown
-58.5%
8/30/2024 – 5/30/2025
Same $ in SPY
$4,545

Growth of $1,000 in REGN since January 2016#

monthly
REGN$1,570SPY$4,545
201620212026

Regeneron Pharmaceuticals Inc. (REGN). Total return approximated via dividend- and split-adjusted closes (no taxes or fees). Not investment advice.

Growth of $1,000 in REGN by starting month#

$606$1.2K$1.8K$2.4K
'16'18'20'22'24'26

$1,000 invested in REGN, by starting year#

Invested inWorth todaySame in QQQMultipleAnnualized
2016$1,570$7,3771.6×4.4%
2017$1,836$6,0991.8×6.7%
2018$1,799$4,4441.8×7.2%
2019$1,537$4,4391.5×6.0%
2020$1,952$3,3802.0×11.0%
2021$1,309$2,3371.3×5.1%
2022$1,084$2,0151.1×1.8%
2023$870$2,4650.9×-4.0%
2024$700$1,7300.7×-13.7%
2025$980$1,3731.0×-1.4%

Methodology#

Investments are assumed made at the first trading day's close of the chosen year. "Dividends reinvested" uses split- and dividend-adjusted closes (a standard total-return approximation; taxes and fees excluded). "Price-only" uses split-adjusted closes. REGN data begins April 1991; values as of July 2026 and refresh daily. Past performance does not predict future returns; not investment advice.

See the live REGN chart and fundamentals on the REGN quote page or compare with the same investment in SPY.

FAQ

How much would $1,000 invested in REGN be worth today?
A $1,000 investment in Regeneron Pharmaceuticals Inc. (REGN) in January 2016 would be worth about $1,570 as of July 2026, with dividends reinvested. That works out to about 4.4% a year.
How far back does the REGN calculation go?
REGN data begins April 1991. You can pick any starting month from then to the present and see what your investment would be worth today.
Does this include dividends?
Yes. The default "dividends reinvested" view uses split- and dividend-adjusted closing prices — a standard total-return approximation that excludes taxes and fees. A price-only view (split-adjusted, no dividends) is also available.