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SLS
$9.98-11.99%
as of close, Oct 16, 2026
☾ AH $9.98 -11.99%
SELLAS Life Sciences Group Inc.Stock · HealthcareRussell 2000 0.09%Nasdaq Composite 0.005%US Stock Market 0.004%Russell 3000 0.003%
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SELLAS Life Sciences Group Inc. total returns by year (including dividends)

As of market close, Oct 16, 2026

SELLAS Life Sciences Group Inc. total returns by year (2009–2026)#

SELLAS Life Sciences Group Inc. annual returns by year
YearTotal return
2026YTD
+164.7%
2025
+262.5%
2024
-1.9%
2023
-55.1%
2022
-57.3%
2021
-4.8%
2020
+35.1%
2019
-93.0%
2018
-84.2%
2017
-86.6%
2016
-93.4%
2015
-2.6%
2014
-69.6%
2013
+224.2%
2012
+225.5%
2011
-81.8%
2010
-43.7%
2009
-20.3%
Annualized
-42.5%
2009–2026
Average year
+3.1%
17 full years
Best year
+262.5%
2025
Worst year
-93.4%
2016
Positive years
4/17
24% up

Total return by period#

Annual

Methodology#

Total returns, dividends reinvested, measured on SLS. Annualized return is the compound annual growth rate; the current year is year-to-date. Past performance does not predict future returns.

FAQ#

What is SELLAS Life Sciences Group Inc.'s average annual return?
Since 2009, SELLAS Life Sciences Group Inc. (SLS) has returned about -42.5% a year (the compound annual growth rate) and an average calendar-year return of 3.1%.
What were SELLAS Life Sciences Group Inc.'s best and worst years?
Over 2009–2026, the best year was 2025 (+262.5%) and the worst was 2016 (-93.4%).
How often is SELLAS Life Sciences Group Inc. up in a year?
4 of the 17 full years since 2009 were positive — about 24% of the time.

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