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William Blair Investment Management, LLCCoreConcentrated trader

CIK: 0001644956 | CHICAGO, IL

Q1 2026 vs Q2 2026 ComparisonProfile

Filing History

QuarterForm TypeHoldingsValueFiledSEC
Q2 2026
13F-HR403$33.3B2026-08-12SEC ↗
Q1 2026
13F-HR413$30.3B2026-05-08SEC ↗
Q4 2025
13F-HR413$35.9B2026-02-09SEC ↗
Q3 2025
13F-HR414$38.7B2025-11-12SEC ↗
Q2 2025
13F-HR417$37.7B2025-07-29SEC ↗
Q1 2025
13F-HR423$35.6B2025-05-09SEC ↗
Q4 2024
13F-HR433$40.9B2025-02-10SEC ↗
Q3 2024
13F-HR412$40.5B2024-11-08SEC ↗
Q2 2024
13F-HR411$38.1B2024-08-08SEC ↗
Q1 2024
13F-HR410$38.7B2024-05-08SEC ↗
Q4 2023
13F-HR406$34.4B2024-02-09SEC ↗
Q3 2023
13F-HR398$30.1B2023-11-09SEC ↗
Q2 2023
13F-HR395$31.2B2023-08-11SEC ↗
Q1 2023
13F-HR393$28.7B2023-05-12SEC ↗
Q4 2022
13F-HR401$26.1B2023-02-09SEC ↗
Q3 2022
13F-HR387$4.3B2022-11-09SEC ↗
Q2 2022
13F-HR403$4.0B2022-08-10SEC ↗
Q1 2022
13F-HR441$4.5B2022-05-11SEC ↗
Q4 2021
13F-HR427$5.1B2022-02-14SEC ↗
Q3 2021
13F-HR431$4.3B2021-11-10SEC ↗
Q2 2021
13F-HR465$4.2B2021-08-12SEC ↗
Q1 2021
13F-HR367$3.8B2021-05-13SEC ↗
Q4 2020
13F-HR356$2.9B2021-02-09SEC ↗
Q3 2020
13F-HR343$2.3B2020-11-06SEC ↗
Q2 2020
13F-HR341$1.8B2020-08-12SEC ↗
Q1 2020
13F-HR339$2.2B2020-05-08SEC ↗
Q4 2019
13F-HR356$2.6B2020-02-12SEC ↗
Q3 2019
13F-HR357$2.2B2019-11-12SEC ↗
Q2 2019
13F-HR372$2.1B2019-08-09SEC ↗
Q1 2019
13F-HR406$1.8B2019-05-10SEC ↗
Q4 2018
13F-HR404$1.3B2019-02-13SEC ↗
Q3 2018
13F-HR419$1.7B2018-11-13SEC ↗
Q2 2018
13F-HR476$2.0B2018-08-14SEC ↗
Q1 2018
13F-HR432$1.8B2018-05-14SEC ↗
Q4 2017Amended
13F-HR/A426$1.7B2018-02-14SEC ↗
Q3 2017
13F-HR434$2.1B2017-11-13SEC ↗
Q2 2017
13F-HR448$2.0B2017-08-04SEC ↗
Q1 2017
13F-HR433$1.8B2017-05-10SEC ↗
Q4 2016
13F-HR435$1.4B2017-02-14SEC ↗
Q3 2016
13F-HR443$1.5B2016-11-14SEC ↗
Q2 2016
13F-HR451$1.1B2016-08-08SEC ↗
Q1 2016
13F-HR450$1.2B2016-05-16SEC ↗
Q4 2015
13F-HR444$1.2B2016-02-16SEC ↗
Q3 2015
13F-HR1068$870.5M2015-11-12SEC ↗