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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Time period
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Reported
DateTime
Transaction
Date
Type Company
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev Report View
2024-11-14
11:03 am
Purchase
2024-09-30 13G ADTRAN Holdings, Inc.
ADTN
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 4,873,121
6.200%
871,950increase
(+21.79%)
Filing
History
2024-11-14
11:00 am
Sale
2024-09-30 13G Virtu Financial, Inc.
VIRT
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 2,488,061
2.900%
-5,793,889decrease
(-69.96%)
Filing
History
2024-11-14
11:00 am
Sale
2024-09-30 13G Casella Waste Systems, Inc.
CWST
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 2,652,112
4.300%
-247,998decrease
(-8.55%)
Filing
History
2024-11-14
10:58 am
Sale
2024-09-30 13G BWX Technologies, Inc.
BWXT
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 3,164,062
3.500%
-1,470,825decrease
(-31.73%)
Filing
History
2024-11-14
10:55 am
Purchase
2024-09-30 13G Mercury Systems, Inc.
MRCY
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 7,299,512
12.300%
742,740increase
(+11.33%)
Filing
History
2024-11-14
10:54 am
Sale
2024-09-30 13G Encompass Health Corporation
EHC
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 3,303,826
3.300%
-1,914,345decrease
(-36.69%)
Filing
History
2024-09-09
11:06 am
Sale
2024-08-31 13G National Vision Holdings, Inc.
EYE
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 593,189
0.800%
-9,246,155decrease
(-93.97%)
Filing
History
2024-02-12
6:50 pm
Purchase
2023-12-31 13G National Vision Holdings, Inc.
EYE
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 9,839,344
12.600%
1,178,623increase
(+13.61%)
Filing
History
2024-02-12
6:49 pm
Sale
2023-12-31 13G The Brink's Company
BCO
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 3,155,930
7.000%
-1,224,594decrease
(-27.96%)
Filing
History
2024-02-12
6:35 pm
Sale
2023-12-31 13G Leslie's, Inc.
LESL
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 0
0.000%
-9,999,142decrease
(Position Closed)
Filing
History
2024-02-12
6:16 pm
Sale
2023-12-31 13G Standard Motor Products, Inc.
SMP
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 1,034,912
4.800%
-74,582decrease
(-6.72%)
Filing
History
2024-02-12
6:14 pm
Sale
2023-12-31 13G Euronet Worldwide, Inc.
EEFT
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 929,297
2.000%
-1,600,509decrease
(-63.27%)
Filing
History
2024-02-12
6:13 pm
Sale
2023-12-31 13G AudioCodes Ltd.
AUDC
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 1,536,371
4.900%
-113,977decrease
(-6.91%)
Filing
History
2024-02-12
6:11 pm
Sale
2023-12-31 13G Luxfer Holdings PLC
LXFR
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 0
0.000%
-1,426,196decrease
(Position Closed)
Filing
History
2024-02-12
6:10 pm
Sale
2023-12-31 13G PagerDuty, Inc.
PD
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 0
0.000%
-4,886,613decrease
(Position Closed)
Filing
History
2024-02-12
6:04 pm
Purchase
2023-12-31 13G ADTRAN Holdings, Inc.
ADTN
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 4,001,171
5.100%
4,001,171increase
(New Position)
Filing
History
2024-02-12
6:02 pm
Purchase
2023-12-31 13G Casella Waste Systems, Inc.
CWST
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 2,900,110
5.100%
2,900,110increase
(New Position)
Filing
History
2024-02-12
6:02 pm
Sale
2023-12-31 13G Varonis Systems, Inc.
VRNS
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 3,249,245
3.000%
-2,932,493decrease
(-47.44%)
Filing
History
2024-02-12
6:01 pm
Sale
2023-12-31 13G Orion Engineered Carbons S.A.
OEC
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 2,465,861
4.200%
-1,088,105decrease
(-30.62%)
Filing
History
2024-02-12
6:01 pm
Purchase
2023-12-31 13G Alarm.com Holdings, Inc.
ALRM
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 2,499,896
5.000%
12,542increase
(+0.50%)
Filing
History
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