Marketable Securities, Current in USD of Alector, Inc. from Q4 2018 to Q3 2025

Taxonomy & unit
us-gaap: USD
Description
Amount of investment in marketable security, classified as current.
Summary
Alector, Inc. quarterly Marketable Securities, Current history and change rate from Q4 2018 to Q3 2025.
  • Alector, Inc. Marketable Securities, Current for the quarter ending 30 Sep 2025 was $214,605,000, a 48.9% decline year-over-year.
Source SEC data
View on sec.gov
Marketable Securities, Current, Quarterly (USD)
Marketable Securities, Current, YoY Quarterly Change (%)

Alector, Inc. Quarterly Marketable Securities, Current (USD)

Period Value YoY Chg Change % Date Report Filed Fiscal Year Fiscal Period
Q3 2025 $214,605,000 -$205,438,000 -48.9% 30 Sep 2025 10-Q 06 Nov 2025 2025 Q3
Q2 2025 $262,509,000 -$193,280,000 -42.4% 30 Jun 2025 10-Q 07 Aug 2025 2025 Q2
Q1 2025 $316,578,000 -$172,953,000 -35.3% 31 Mar 2025 10-Q 08 May 2025 2025 Q1
Q4 2024 $380,376,000 -$93,930,000 -19.8% 31 Dec 2024 10-Q 06 Nov 2025 2025 Q3
Q3 2024 $420,043,000 -$66,854,000 -13.7% 30 Sep 2024 10-Q 06 Nov 2024 2024 Q3
Q2 2024 $455,789,000 -$42,719,000 -8.57% 30 Jun 2024 10-Q 07 Aug 2024 2024 Q2
Q1 2024 $489,531,000 +$15,757,000 +3.33% 31 Mar 2024 10-Q 08 May 2024 2024 Q1
Q4 2023 $474,306,000 -$84,222,000 -15.1% 31 Dec 2023 10-K 26 Feb 2025 2024 FY
Q3 2023 $486,897,000 -$87,178,000 -15.2% 30 Sep 2023 10-Q 07 Nov 2023 2023 Q3
Q2 2023 $498,508,000 -$138,082,000 -21.7% 30 Jun 2023 10-Q 03 Aug 2023 2023 Q2
Q1 2023 $473,774,000 +$59,823,000 +14.5% 31 Mar 2023 10-Q 04 May 2023 2023 Q1
Q4 2022 $558,528,000 +$152,429,000 +37.5% 31 Dec 2022 10-K 27 Feb 2024 2023 FY
Q3 2022 $574,075,000 +$312,757,000 +120% 30 Sep 2022 10-Q 08 Nov 2022 2022 Q3
Q2 2022 $636,590,000 +$442,733,000 +228% 30 Jun 2022 10-Q 04 Aug 2022 2022 Q2
Q1 2022 $413,951,000 +$161,910,000 +64.2% 31 Mar 2022 10-Q 05 May 2022 2022 Q1
Q4 2021 $406,099,000 +$42,760,000 +11.8% 31 Dec 2021 10-K 28 Feb 2023 2022 FY
Q3 2021 $261,318,000 -$115,417,000 -30.6% 30 Sep 2021 10-Q 04 Nov 2021 2021 Q3
Q2 2021 $193,857,000 -$217,282,000 -52.8% 30 Jun 2021 10-Q 03 Aug 2021 2021 Q2
Q1 2021 $252,041,000 -$135,577,000 -35% 31 Mar 2021 10-Q 05 May 2021 2021 Q1
Q4 2020 $363,339,000 +$99,907,000 +37.9% 31 Dec 2020 10-K 24 Feb 2022 2021 FY
Q3 2020 $376,735,000 +$82,263,000 +27.9% 30 Sep 2020 10-Q 10 Nov 2020 2020 Q3
Q2 2020 $411,139,000 +$69,414,000 +20.3% 30 Jun 2020 10-Q 11 Aug 2020 2020 Q2
Q1 2020 $387,618,000 +$11,977,000 +3.19% 31 Mar 2020 10-Q 13 May 2020 2020 Q1
Q4 2019 $263,432,000 +$38,494,000 +17.1% 31 Dec 2019 10-K 25 Feb 2021 2020 FY
Q3 2019 $294,472,000 30 Sep 2019 10-Q 12 Nov 2019 2019 Q3
Q2 2019 $341,725,000 30 Jun 2019 10-Q 12 Aug 2019 2019 Q2
Q1 2019 $375,641,000 31 Mar 2019 10-Q 13 May 2019 2019 Q1
Q4 2018 $224,938,000 31 Dec 2018 10-K 24 Mar 2020 2019 FY
* An asterisk sign (*) next to the value indicates that the value is likely invalid.