Current Market Value 1,689,330,628
Current Holdings 37
Most Recent File Date 2025-08-14
Total Filings on Record 49
SEC Form 13F Filing History

This page shows a list of all the recent 13F filings made by EcoR1 Capital, LLC . Form 13F is required to be filed within 45 days of the end of a calendar quarter. The Form 13F report requires disclosure of the manager that files the report, the name and class of the security, the CUSIP number, the number of shares as of the end of the calendar quarter for which the report is filed, and the total market value. The market value column should not be used as a substitute for Assets Under Management (AUM), as it does not include cash held in accounts.

Upgrade to unlock premium data.

File Date Reporting Period Form Amendment Holdings Reported Value
($1000)
2025-08-14 2025-06-30 13F-HR 37 1,689,331
2025-05-15 2025-03-31 13F-HR 46 1,686,023
2025-02-14 2024-12-31 13F-HR 59 2,645,071
2024-11-14 2024-09-30 13F-HR 64 2,921,576
2024-08-14 2024-06-30 13F-HR 55 3,268,882
2024-05-15 2024-03-31 13F-HR 59 3,953,710
2024-02-14 2023-12-31 13F-HR 51 3,851,538
2023-11-14 2023-09-30 13F-HR 51 2,964,695
2023-08-14 2023-06-30 13F-HR 53 4,081,491
2023-05-15 2023-03-31 13F-HR 58 3,105,402
2023-02-14 2022-12-31 13F-HR 66 3,285,597
2022-11-14 2022-09-30 13F-HR 76 3,388,131
2022-08-15 2022-06-30 13F-HR 80 2,897,047
2022-05-16 2022-03-31 13F-HR 87 3,196,837
2022-02-14 2021-12-31 13F-HR 76 3,138,062
2021-11-22 2021-09-30 13F-HR/A 1 R 71 2,874,475
2021-11-15 2021-09-30 13F-HR 70 2,874,475
2021-08-16 2021-06-30 13F-HR 72 2,675,754
2021-05-17 2021-03-31 13F-HR 71 2,254,663
2021-02-16 2020-12-31 13F-HR 66 1,860,183
2020-11-16 2020-09-30 13F-HR 49 1,402,501
2020-08-14 2020-06-30 13F-HR 49 1,354,085
2020-05-15 2020-03-31 13F-HR 51 957,232
2020-02-18 2019-12-31 13F-HR/A 1 R 44 1,109,471
2020-02-14 2019-12-31 13F-HR 44 1,091,527
2019-11-14 2019-09-30 13F-HR 38 791,886
2019-08-14 2019-06-30 13F-HR 39 989,642
2019-05-15 2019-03-31 13F-HR 41 1,084,777
2019-02-14 2018-12-31 13F-HR 53 999,389
2018-11-14 2018-09-30 13F-HR 50 1,110,045
2018-08-14 2018-06-30 13F-HR 33 1,050,372
2018-05-15 2018-03-31 13F-HR 31 997,012
2018-02-14 2017-12-31 13F-HR 30 888,086
2017-11-14 2017-09-30 13F-HR 39 750,316
2017-08-14 2017-06-30 13F-HR 36 563,229
2017-05-19 2017-03-31 13F-HR/A 1 R 33 395,567
2017-05-15 2017-03-31 13F-HR 33 395,567
2017-02-15 2016-12-31 13F-HR/A 2 N 1 14,684
2017-02-15 2016-12-31 13F-HR/A 1 R 30 299,427
2017-02-14 2016-12-31 13F-HR 30 299,240
2016-11-14 2016-09-30 13F-HR 31 325,892
2016-08-15 2016-06-30 13F-HR 32 253,622
2016-05-16 2016-03-31 13F-HR 37 286,194
2016-02-16 2015-12-31 13F-HR 31 318,400
2015-11-16 2015-09-30 13F-HR 25 219,698
2015-08-14 2015-06-30 13F-HR 25 299,936
2015-05-18 2015-03-31 13F-HR/A 1 R 23 300,071
2015-05-15 2015-03-31 13F-HR 23 294,082
2015-02-17 2014-12-31 13F-HR 22 197,602