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HALO
Halozyme Therapeutics Inc.Stock · Health Care
$100.67−$1.12 (-1.10%)as of market close, Aug 13, 2026
☾ After hours:$100.67+0.00%3:59 PM ET
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HALO returns by year

Halozyme Therapeutics Inc. has returned +15.1% annually (CAGR) since 2005. Calendar-year, monthly and weekly total returns for Halozyme Therapeutics Inc. (HALO) below, through August 13, 2026 — the most recent year is year-to-date.

Annualized (CAGR)
+15.1%
2005–2026
Average year
+36.0%
21 full years
Best year
+342.3%
2006
Worst year
-43.0%
2016
Positive years
12/21
57% up

Halozyme Therapeutics Inc. returns by year (20052026)#

Calendar-year returns with each year's path and its dividend contribution (dividend return = total minus price return).

Halozyme Therapeutics Inc. annual returns by year
YearTotal return
2026YTD
+49.5%
2025
+40.8%
2024
+29.4%
2023
-35.0%
2022
+41.5%
2021
-5.9%
2020
+140.9%
2019
+21.2%
2018
-27.8%
2017
+105.1%
2016
-43.0%
2015
+79.6%

Total return by period

-300%-200%-100%+0%+100%+200%+300%
'05'07'09'11'13'15'17'19'21'23'25

Methodology#

Returns are total returns (dividends reinvested), computed from HALO's split- and dividend-adjusted closes. The bar chart switches between annual and monthly periods. Annualized return is the compound annual growth rate over the full period. The current year is year-to-date. See also the periodic table of returns. Past performance does not predict future returns; not investment advice.

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FAQ#

What is Halozyme Therapeutics Inc.'s average annual return?
Since 2005, Halozyme Therapeutics Inc. (HALO) has returned about 15.1% a year (the compound annual growth rate) and an average calendar-year return of 36.0%.
What were Halozyme Therapeutics Inc.'s best and worst years?
Over 2005–2026, the best year was 2006 (+342.3%) and the worst was 2016 (-43.0%).
How often is Halozyme Therapeutics Inc. up in a year?
12 of the 21 full years since 2005 were positive — about 57% of the time.