WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC filings

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This page lists the SEC filings reported by WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC.

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SEC filings by WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC (ownership)
TypeFiledFilerSubjectShares OwnedPercent Owned
SC 13G/A2024-02-12WILLIAM BLAIR INVESTMENT MANAGEMENT, LLCRevolve Group, Inc.5,315,08313.4%EDGAR
SC 13G/A2024-02-12WILLIAM BLAIR INVESTMENT MANAGEMENT, LLCMERCURY SYSTEMS INC6,556,77211.1%EDGAR
SC 13G/A2024-02-12WILLIAM BLAIR INVESTMENT MANAGEMENT, LLCVirtu Financial, Inc.8,281,9509.2%EDGAR
SC 13G/A2024-02-12WILLIAM BLAIR INVESTMENT MANAGEMENT, LLCBWX Technologies, Inc.4,634,8875.1%EDGAR
SC 13G/A2024-02-12WILLIAM BLAIR INVESTMENT MANAGEMENT, LLCMERIT MEDICAL SYSTEMS INC3,791,0896.6%EDGAR
SC 13G/A2024-02-12WILLIAM BLAIR INVESTMENT MANAGEMENT, LLCOrion S.A.2,465,8614.2%EDGAR
SC 13G/A2024-02-12WILLIAM BLAIR INVESTMENT MANAGEMENT, LLCVARONIS SYSTEMS INC3,249,2453.0%EDGAR
SC 13G/A2024-02-12WILLIAM BLAIR INVESTMENT MANAGEMENT, LLCPagerDuty, Inc.00.0%EDGAR
SC 13G/A2024-02-12WILLIAM BLAIR INVESTMENT MANAGEMENT, LLCLUXFER HOLDINGS PLC00.0%EDGAR
SC 13G/A2024-02-12WILLIAM BLAIR INVESTMENT MANAGEMENT, LLCAUDIOCODES LTD1,536,3714.9%EDGAR
SC 13G/A2024-02-12WILLIAM BLAIR INVESTMENT MANAGEMENT, LLCEURONET WORLDWIDE, INC.929,2972.0%EDGAR
SC 13G/A2024-02-12WILLIAM BLAIR INVESTMENT MANAGEMENT, LLCSTANDARD MOTOR PRODUCTS, INC.1,034,9124.8%EDGAR
SC 13G/A2024-02-12WILLIAM BLAIR INVESTMENT MANAGEMENT, LLCLeslie's, Inc.00.0%EDGAR
SC 13G/A2024-02-12WILLIAM BLAIR INVESTMENT MANAGEMENT, LLCBRINKS CO3,155,9307.0%EDGAR
SC 13G/A2024-02-12WILLIAM BLAIR INVESTMENT MANAGEMENT, LLCNational Vision Holdings, Inc.9,839,34412.6%EDGAR
SC 13G2024-02-12WILLIAM BLAIR INVESTMENT MANAGEMENT, LLCTwist Bioscience Corp3,549,8746.2%EDGAR
SC 13G2024-02-12WILLIAM BLAIR INVESTMENT MANAGEMENT, LLCVital Farms, Inc.2,425,6735.8%EDGAR
SC 13G2024-02-12WILLIAM BLAIR INVESTMENT MANAGEMENT, LLCClearwater Analytics Holdings, Inc.7,273,9145.7%EDGAR
SC 13G2024-02-12WILLIAM BLAIR INVESTMENT MANAGEMENT, LLCFreshpet, Inc.2,629,8015.5%EDGAR
SC 13G2024-02-12WILLIAM BLAIR INVESTMENT MANAGEMENT, LLCLANCASTER COLONY CORP1,381,5165.0%EDGAR
Form 13F-HR
The 13F-HR report is filed quarterly to report securities held by the filer that fall under the SEC's 13F rules.
Form SC 13D/G
Reported by persons and groups who own 5% or more of any class of a company's outstanding shares. If the ownership changes by 1% or more, an amendment must be filed.
Form 3, 4, and 5
Form 3, 4, and 5 reports are filed to report insider transactions by company officers and directors, and any beneficial owners of more than ten percent of a company's shares. Form 3 is the initial report that must be filed when a person becomes an officer, director, or beneficial owner. Form 4 reports are used to report changes in ownership, while the Form 5 report is used for reporting transactions that should have been reported earlier in a Form 4 filing.