13D/13G Filings - WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC

Real time Form 13D and 13G transaction reports:

  • Schedule 13D must be filed within ten days after a person or an organization acquires beneficial ownership of more than 5% of a voting class of a company's equity securities.
  • Due to inconsistent filing format, it is highly recommended that you read the orignal filing form.
  • Shares have beem adjusted for stock split.
"Insiders might sell their shares for any number of reasons, but they buy them for only one: they think the price will rise"
- Peter Lynch
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Reported
DateTime
Transaction
Date
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportView
2025-05-09
5:00 pm
Sale
2025-03-3113GFlywire Corporation
FLYW
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC1,497,586
1.200%
-10,078,278decrease
(-87.06%)
Filing
History
2025-05-09
4:54 pm
Sale
2025-03-3113GADTRAN Holdings, Inc.
ADTN
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC3,354,334
4.200%
-1,518,787decrease
(-31.17%)
Filing
History
2025-05-09
4:47 pm
Sale
2025-03-3113GAmicus Therapeutics, Inc.
FOLD
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC14,778,651
4.900%
-804,311decrease
(-5.16%)
Filing
History
2025-05-09
4:42 pm
Sale
2025-03-3113GEl Pollo Loco Holdings, Inc.
LOCO
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC1,436,784
4.800%
-62,103decrease
(-4.14%)
Filing
History
2025-05-09
4:34 pm
Sale
2025-03-3113GRevolve Group, Inc.
RVLV
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC985,530
2.400%
-2,497,322decrease
(-71.70%)
Filing
History
2025-05-09
4:13 pm
Purchase
2025-03-3113GMontrose Environmental Group, Inc.
MEG
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC1,903,388
5.500%
1,903,388increase
(New Position)
Filing
History
2025-05-09
4:07 pm
Purchase
2025-03-3113GTwist Bioscience Corporation
TWST
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC3,806,867
6.400%
857,144increase
(+29.06%)
Filing
History
2025-05-09
3:54 pm
Purchase
2025-03-3113GZipRecruiter, Inc.
ZIP
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC5,514,799
7.300%
1,004,922increase
(+22.28%)
Filing
History
2025-05-09
3:43 pm
Sale
2025-03-3113GFox Factory Holding Corp.
FOXF
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC2,476,501
5.900%
-506,981decrease
(-16.99%)
Filing
History
2025-05-09
3:32 pm
Sale
2025-03-3113GACV Auctions Inc.
ACVA
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC11,076,909
6.600%
-1,022,777decrease
(-8.45%)
Filing
History
2025-05-09
3:18 pm
Sale
2025-03-3113GMercury Systems, Inc.
MRCY
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC5,372,198
9.000%
-1,060,403decrease
(-16.48%)
Filing
History
2025-02-12
5:52 pm
Sale
2024-12-3113GMercury Systems, Inc.
MRCY
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC6,432,601
10.800%
-866,911decrease
(-11.88%)
Filing
History
2025-02-12
5:44 pm
Sale
2024-12-3113GRevolve Group, Inc.
RVLV
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC3,482,852
9.100%
-1,832,231decrease
(-34.47%)
Filing
History
2025-02-12
5:37 pm
Purchase
2024-12-3113GACV Auctions Inc.
ACVA
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC12,099,686
7.600%
3,652,871increase
(+43.25%)
Filing
History
2025-02-12
5:24 pm
Purchase
2024-12-3113GThe Baldwin Insurance Group, Inc.
BWIN
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC4,907,589
7.300%
4,907,589increase
(New Position)
Filing
History
2025-02-12
5:14 pm
Purchase
2024-12-3113GFox Factory Holding Corp.
FOXF
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC2,983,482
7.200%
434,998increase
(+17.07%)
Filing
History
2025-02-12
5:08 pm
Purchase
2024-12-3113GOrion Engineered Carbons S.A.
OEC
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC3,557,527
6.200%
591,420increase
(+19.94%)
Filing
History
2025-02-12
5:02 pm
Purchase
2024-12-3113GStride, Inc.
LRN
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC2,467,019
5.700%
2,467,019increase
(New Position)
Filing
History
2025-02-12
4:56 pm
Sale
2024-12-3113GThe Brink's Company
BCO
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC2,323,668
5.300%
-832,262decrease
(-26.37%)
Filing
History
2025-02-12
4:35 pm
Sale
2024-12-3113GTwist Bioscience Corporation
TWST
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC2,949,723
5.000%
-600,151decrease
(-16.91%)
Filing
History
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