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Gilead Sciences, Inc.

GILDNasdaqBiological Products, (No Diagnostic Substances)Fiscal year ends December 31
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 6, 2026Score 11/30105% above fair value
$170.33−0.35 (-0.21%)

Close on Nov 2, 2026Market cap $211.20BP/E –Yield 1.86%

Gilead Sciences Zydelig (idelalisib by Quarter

Zydelig (idelalisib — hematologic oncology, legacy breakout) — Rest of World sales ($M) ($M)

Gilead Sciences Zydelig (idelalisib: $0M in Q4 2021, down 100.0% from a year earlier. That is the lowest of the 20 quarters on record here. No newer figure appears in the documents we track.

Latest, Q4 2021
0
Period ended Dec 31, 2021
Change on a year earlier
-100.0%
1 in Q4 2020
History
20 quarters
Since Q1 2017
Sources
13
Documents cited below

Where the Q4 2021 figure comes from

Calculated from reported figures: Q4 = full year (10-K) − nine months (10-Q)

Source: Form 10-K (filed 2022-02-23) ↗

Reported in Form 10-Q / 10-K Disaggregated Revenue Note & Form 8-K Product Sales Summary.

Quarterly history

Hover a value to see the sentence it was read from; calculated values show their formula

PeriodEndedZydelig (idelalisib — hematologic oncology, legacy breakout) — Rest of World sales ($M) ($M)Year on yearSource
Q4 2021Dec 31, 20210-100.0%Form 10-K (filed 2022-02-23) ↗
Q3 2021Sep 30, 20210–Form 10-Q (filed 2021-11-03) ↗
Q2 2021Jun 30, 202110.0%Form 10-Q (filed 2021-08-05) ↗
Q1 2021Mar 31, 20210–Form 10-Q (filed 2021-05-06) ↗
Q4 2020Dec 31, 202010.0%Form 10-K (filed 2022-02-23) ↗
Q3 2020Sep 30, 20200–Form 10-Q (filed 2021-11-03) ↗
Q2 2020Jun 30, 20201–Form 10-Q (filed 2021-08-05) ↗
Q1 2020Mar 31, 20200-100.0%Form 10-Q (filed 2020-05-06) ↗
Q4 2019Dec 31, 20191–Form 10-K (filed 2022-02-23) ↗
Q3 2019Sep 30, 20190-100.0%Form 10-Q (filed 2019-11-05) ↗
Q2 2019Jun 30, 20190–Form 10-Q (filed 2019-08-06) ↗
Q1 2019Mar 31, 201910.0%Form 10-Q (filed 2020-05-06) ↗
Q4 2018Dec 31, 20180-100.0%Form 10-K (filed 2021-02-25) ↗
Q3 2018Sep 30, 20181–Form 10-Q (filed 2019-11-05) ↗
Q2 2018Jun 30, 20180–Form 10-Q (filed 2019-08-06) ↗
Q1 2018Mar 31, 201810.0%Form 10-Q (filed 2019-05-08) ↗

Cite this data

StockData. (2026). Gilead Sciences Zydelig (idelalisib ($M), quarterly Q1 2017–Q4 2021 [Data set]. Compiled from Gilead Sciences SEC filings and investor materials. https://stockdatahq.com/stocks/gild/kpis/other-zydelig-row

See every metric in the Gilead Sciences KPI table. Data updated Oct 29, 2026.