William Blair $ Company - Portfolio Holdings by Quarter

Historical 13F-HR SEC quarterly filings for William Blair $ Company going back to Feb. 8, 2011

• Blair William & Co 2024 Q3 - filed Nov. 12, 2024 - new!
• Blair William & Co 2024 Q2 - filed Aug. 12, 2024
• Blair William & Co 2024 Q1 - filed May 9, 2024
• Blair William & Co 2023 Q4 - filed Feb. 12, 2024
• Blair William & Co 2023 Q3 - filed Nov. 9, 2023
• Blair William & Co 2023 Q2 - filed Aug. 11, 2023
• Blair William & Co 2023 Q1 - filed May 12, 2023
• Blair William & Co 2022 Q4 - filed Feb. 10, 2023
• Blair William & Co 2022 Q3 - filed Nov. 9, 2022
• Blair William & Co 2022 Q2 - filed Aug. 10, 2022
• Blair William & Co 2022 Q1 - filed May 13, 2022
• Blair William & Co 2021 Q4 - filed Feb. 14, 2022
• Blair William & Co 2021 Q3 - filed Nov. 12, 2021
• Blair William & Co 2021 Q2 - filed Aug. 12, 2021
• Blair William & Co 2021 Q1 - filed May 13, 2021
• Blair William & Co 2020 Q4 - filed Feb. 9, 2021
• Blair William & Co 2020 Q3 - filed Nov. 6, 2020
• Blair William & Co 2020 Q2 - filed Aug. 12, 2020
• Blair William & Co 2020 Q1 - filed May 11, 2020
• Blair William & Co 2019 Q4 - filed Feb. 13, 2020
• Blair William & Co 2019 Q3 - filed Nov. 12, 2019
• Blair William & Co 2019 Q2 - filed Aug. 13, 2019
• Blair William & Co 2019 Q1 - filed May 14, 2019
• Blair William & Co 2018 Q4 - filed Feb. 14, 2019
• Blair William & Co 2018 Q3 - filed Nov. 13, 2018
• Blair William & Co 2018 Q2 - filed Aug. 13, 2018
• Blair William & Co 2018 Q1 - filed May 15, 2018
• Blair William & Co 2017 Q4 - filed Feb. 14, 2018
• Blair William & Co 2017 Q3 - filed Nov. 13, 2017
• Blair William & Co 2017 Q2 - filed Aug. 4, 2017
• Blair William & Co 2017 Q1 - filed May 10, 2017
• Blair William & Co 2016 Q4 - filed Feb. 14, 2017
• Blair William & Co 2016 Q3 - filed Nov. 14, 2016
• Blair William & Co 2016 Q2 - filed Aug. 8, 2016
• Blair William & Co 2016 Q1 - filed May 16, 2016
• Blair William & Co 2015 Q4 - filed Feb. 16, 2016
• Blair William & Co 2015 Q3 - filed Nov. 12, 2015
• Blair William & Co 2015 Q2 - filed Aug. 3, 2015
• Blair William & Co 2015 Q1 - filed May 11, 2015
• Blair William & Co 2014 Q4 - filed Feb. 5, 2015
• Blair William & Co 2014 Q3 - filed Nov. 4, 2014
• Blair William & Co 2014 Q2 - filed Aug. 1, 2014
• Blair William & Co 2014 Q1 - filed May 6, 2014
• Blair William & Co 2013 Q4 - filed Feb. 11, 2014
• Blair William & Co 2013 Q3 - filed Nov. 12, 2013
• Blair William & Co 2013 Q2 - filed Aug. 7, 2013
• William Blair & Company 2013 Q1 - filed May 8, 2013
• William Blair & Company 2012 Q4 - filed Feb. 7, 2013
• William Blair & Company 2012 Q3 - filed Nov. 1, 2012
• William Blair & Company 2012 Q2 - filed Aug. 6, 2012
• William Blair & Company 2012 Q1 - filed May 9, 2012
• William Blair & Company 2011 Q4 - filed Feb. 8, 2012
• William Blair & Company 2011 Q3 - filed Nov. 9, 2011
• William Blair & Company 2011 Q1 - filed May 9, 2011
• William Blair $ Company 2010 Q4 - filed Feb. 8, 2011