Activist 13D/13G Filings - Matrix Capital Management Company LP

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
What is insider trading>>
Time period
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Reported
DateTime
TypeCompany
Symbol
Filed By
Symbol
Shares Owned
% Owned
Shares Vs. Prev ReportFiling
2024-02-13
4:15 pm
Purchase
13GAltair Engineering Inc.
ALTR
Matrix Capital Management Company LP12,233,174
22.4%
1,362,174increase
(+12.53%)
View
2023-11-09
4:34 pm
Purchase
13DAURA BIOSCIENCES INC
AURA
Matrix Capital Management Company LP6,922,870
14.1%
1,560,000increase
(+29.09%)
View
2023-07-10
4:15 pm
Unchanged
13GADAPTIMMUNE THERAPEUTICS PLC S
ADAP
Matrix Capital Management Company LP233,845,110
17.29%
0
(Unchanged)
View
2023-06-20
4:30 pm
Purchase
13DZentalis Pharmaceuticals Inc.
ZNTL
Matrix Capital Management Company LP13,959,973
19.81%
4,760,000increase
(+51.74%)
View
2023-02-13
4:07 pm
Sale
13GNEW RELIC INC.
NEWR
Matrix Capital Management Company LP0
0%
-5,000,000decrease
(Position Closed)
View
2023-02-13
4:06 pm
Sale
13GForgeRock Inc.
FORG
Matrix Capital Management Company LP0
0%
-1,000,000decrease
(Position Closed)
View
2023-02-13
4:05 pm
Purchase
13GAltair Engineering Inc.
ALTR
Matrix Capital Management Company LP10,871,000
20.75%
2,271,000increase
(+26.41%)
View
2023-02-13
4:04 pm
Sale
13GPerimeter Solutions SA
PRM
Matrix Capital Management Company LP8,587,500
5.43%
-3,875,000decrease
(-31.09%)
View
2022-12-07
4:30 pm
Purchase
13DAURA BIOSCIENCES INC
AURA
Matrix Capital Management Company LP5,362,870
14.5%
1,250,000increase
(+30.39%)
View
2022-06-03
10:52 am
Purchase
13DZentalis Pharmaceuticals Inc.
ZNTL
Matrix Capital Management Company LP9,199,973
16.45%
4,850,694increase
(+111.53%)
View
2022-02-18
4:05 pm
Purchase
13GNEW RELIC INC.
NEWR
Matrix Capital Management Company LP5,000,000
7.64%
1,437,500increase
(+40.35%)
View
2022-02-14
12:05 pm
Purchase
13GAltair Engineering Inc.
ALTR
Matrix Capital Management Company LP8,600,000
16.93%
3,444,975increase
(+66.83%)
View
2022-02-14
12:05 pm
Sale
13GAdaptive Biotechnologies Corp
ADPT
Matrix Capital Management Company LP11,572,590
8.2%
-1,542,500decrease
(-11.76%)
View
2022-02-14
12:03 pm
Purchase
13GZentalis Pharmaceuticals Inc.
ZNTL
Matrix Capital Management Company LP4,349,279
9.6%
527,540increase
(+13.80%)
View
2022-02-14
12:02 pm
Purchase
13GPerimeter Solutions SA
PRM
Matrix Capital Management Company LP12,462,500
7.69%
12,462,500increase
(New Position)
View
2022-02-14
12:01 pm
Purchase
13GForgeRock Inc.
FORG
Matrix Capital Management Company LP1,000,000
7.91%
1,000,000increase
(New Position)
View
2022-02-14
12:01 pm
Sale
13GNEW RELIC INC.
NEWR
Matrix Capital Management Company LP3,562,500
5.45%
-1,437,500decrease
(-28.75%)
View
2022-02-14
12:00 pm
Sale
13GBigCommerce Holdings Inc.
BIGC
Matrix Capital Management Company LP0
0%
-3,403,708decrease
(Position Closed)
View
2021-11-04
4:58 pm
Purchase
13DAURA BIOSCIENCES INC
AURA
Matrix Capital Management Company LP4,112,870
14.48%
4,112,870increase
(New Position)
View
2021-02-16
10:03 am
Purchase
13GADAPTIMMUNE THERAPEUTICS PLC S
ADAP
Matrix Capital Management Company LP233,845,110
25.18%
65,845,110increase
(+39.19%)
View
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