Activist 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 are not 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
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportFiling
2021-02-11
3:05 pm
Sale
13GVIRTU FINL INC
VIRT
WILLIAM BLAIR INVESTMENT MANAGEMENT LLC6,137,691
4.9%
-1,977,281decrease
(-24.37%)
View
2021-02-11
3:04 pm
Sale
13GENCOMPASS HEALTH CORP COM
EHC
WILLIAM BLAIR INVESTMENT MANAGEMENT LLC4,666,500
4.7%
-301,782decrease
(-6.07%)
View
2021-02-11
3:03 pm
Sale
13GZIFF DAVIS, INC.
ZD
WILLIAM BLAIR INVESTMENT MANAGEMENT LLC2,023,920
4.4%
-447,036decrease
(-18.09%)
View
2021-02-11
3:02 pm
Sale
13GTREX CO INC
TWP
WILLIAM BLAIR INVESTMENT MANAGEMENT LLC3,169,429
2.7%
-614,722decrease
(-16.24%)
View
2021-02-11
3:01 pm
Sale
13GBRINKS CO
BCO
WILLIAM BLAIR INVESTMENT MANAGEMENT LLC5,248,720
10.6%
-105,423decrease
(-1.97%)
View
2021-02-11
3:00 pm
Purchase
13GLUXFER HOLDINGS PLC SHS
LXFR
WILLIAM BLAIR INVESTMENT MANAGEMENT LLC1,700,597
6.2%
211,555increase
(+14.21%)
View
2021-02-11
2:59 pm
Purchase
13GGRAND CANYON ED INC
LOPE
WILLIAM BLAIR INVESTMENT MANAGEMENT LLC4,081,286
8.7%
1,214,099increase
(+42.34%)
View
2021-02-11
2:58 pm
Purchase
13GPURE STORAGE INC COMT STK
PSTG
WILLIAM BLAIR INVESTMENT MANAGEMENT LLC15,709,115
5.8%
165,435increase
(+1.06%)
View
2021-02-11
2:57 pm
Sale
13GBJS WHSL CLUB HLDGS INC
BJ
WILLIAM BLAIR INVESTMENT MANAGEMENT LLC7,096,457
5.2%
-2,388,827decrease
(-25.18%)
View
2021-02-11
2:56 pm
Purchase
13GVERACYTE INC
VCYT
WILLIAM BLAIR INVESTMENT MANAGEMENT LLC5,207,939
9%
1,638,538increase
(+45.91%)
View
2021-02-11
2:56 pm
Purchase
13GBWX TECHNOLOGIES INC
BWXT
WILLIAM BLAIR INVESTMENT MANAGEMENT LLC7,386,872
7.8%
28,890increase
(+0.39%)
View
2021-02-11
2:54 pm
Purchase
13GLIGAND PHARMACEUTICALS INC
LGND
WILLIAM BLAIR INVESTMENT MANAGEMENT LLC2,041,045
12.7%
145,671increase
(+7.69%)
View
2021-01-08
1:00 pm
Purchase
13GSTAR PEAK ENERGY TRANSITION CO
STPK
WILLIAM BLAIR INVESTMENT MANAGEMENT LLC5,493,831
14.3%
5,493,831increase
(New Position)
View
2020-12-08
4:04 pm
Purchase
13GBRINKS CO
BCO
WILLIAM BLAIR INVESTMENT MANAGEMENT LLC5,354,143
10.8%
5,354,143increase
(New Position)
View
2020-10-08
09:17 am
Purchase
13GLIGAND PHARMACEUTICALS INC
LGND
WILLIAM BLAIR INVESTMENT MANAGEMENT LLC1,895,374
11.8%
478,524increase
(+33.77%)
View
2020-06-08
2:57 pm
Sale
13GENCORE CAPITAL GROUP INC
ECPG
WILLIAM BLAIR INVESTMENT MANAGEMENT LLC1,015,998
3.3%
-2,307,899decrease
(-69.43%)
View
2020-06-08
2:56 pm
Sale
13GPORTOLA PHARMACEUTICALS INC CO
PTLA
WILLIAM BLAIR INVESTMENT MANAGEMENT LLC0
0%
-10,174,189decrease
(Position Closed)
View
2020-02-10
12:21 pm
Purchase
13GPORTOLA PHARMACEUTICALS INC CO
PTLA
WILLIAM BLAIR INVESTMENT MANAGEMENT LLC10,174,189
13.1%
2,925,117increase
(+40.35%)
View
2020-02-10
12:01 pm
Purchase
13GVERACYTE INC
VCYT
WILLIAM BLAIR INVESTMENT MANAGEMENT LLC3,569,401
7.3%
3,569,401increase
(New Position)
View
2020-02-10
12:01 pm
Purchase
13GTREX CO INC
TWP
WILLIAM BLAIR INVESTMENT MANAGEMENT LLC3,784,151
6.5%
3,784,151increase
(New Position)
View
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