Activist 13D/13G Filings - Altair Engineering Inc. (ALTR)

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
2024-11-21
06:07 am
Purchase
13GAltair Engineering Inc.
ALTR
PICTET ASSET MANAGEMENT SA2,275,256
3.800%
2,274,286increase
(+234462.47%)
View
2024-11-13
09:09 am
Purchase
13GAltair Engineering Inc.
ALTR
Matrix Capital Management Company LP12,430,000
20.900%
196,826increase
(+1.61%)
View
2024-11-08
4:44 pm
Sale
13GAltair Engineering Inc.
ALTR
Scapa James Ralph17,105,011
22.300%
-11,555decrease
(-0.07%)
View
2024-11-08
4:34 pm
Sale
13GAltair Engineering Inc.
ALTR
Christ George J9,450,684
13.900%
-750,048decrease
(-7.35%)
View
2024-07-08
4:32 pm
Purchase
13GAltair Engineering Inc.
ALTR
BlackRock Inc.
BLK
7,877,110
13.800%
3,288,603increase
(+71.67%)
View
2024-02-13
4:58 pm
Purchase
13GAltair Engineering Inc.
ALTR
VANGUARD GROUP INC5,761,445
10.550%
354,040increase
(+6.55%)
View
2024-02-13
4:15 pm
Purchase
13GAltair Engineering Inc.
ALTR
Matrix Capital Management Company LP12,233,174
22.400%
1,362,174increase
(+12.53%)
View
2024-02-13
3:48 pm
Sale
13GAltair Engineering Inc.
ALTR
Scapa James Ralph17,116,566
23.900%
-237,626decrease
(-1.37%)
View
2024-02-13
3:45 pm
Sale
13GAltair Engineering Inc.
ALTR
Christ George J10,200,732
15.800%
-700,000decrease
(-6.42%)
View
2024-01-31
08:54 am
Purchase
13GAltair Engineering Inc.
ALTR
PICTET ASSET MANAGEMENT SA970
5.300%
970increase
(New Position)
View
2024-01-25
4:59 pm
Purchase
13GAltair Engineering Inc.
ALTR
BlackRock Inc.
BLK
4,588,507
8.400%
532,043increase
(+13.12%)
View
2023-06-09
2:15 pm
Purchase
13GAltair Engineering Inc.
ALTR
VANGUARD GROUP INC5,407,405
10.120%
202,241increase
(+3.89%)
View
2023-02-13
4:05 pm
Purchase
13GAltair Engineering Inc.
ALTR
Matrix Capital Management Company LP10,871,000
20.750%
2,271,000increase
(+26.41%)
View
2023-02-09
11:07 am
Purchase
13GAltair Engineering Inc.
ALTR
VANGUARD GROUP INC5,205,164
9.930%
577,415increase
(+12.48%)
View
2023-02-06
09:16 am
Purchase
13GAltair Engineering Inc.
ALTR
Christ George J10,900,732
17.200%
374,950increase
(+3.56%)
View
2023-02-06
09:13 am
Purchase
13GAltair Engineering Inc.
ALTR
Scapa James Ralph17,354,192
24.900%
10,479increase
(+0.06%)
View
2023-01-31
1:58 pm
Sale
13GAltair Engineering Inc.
ALTR
BlackRock Inc.
BLK
4,056,464
7.700%
-483,070decrease
(-10.64%)
View
2022-02-14
12:05 pm
Purchase
13GAltair Engineering Inc.
ALTR
Matrix Capital Management Company LP8,600,000
16.930%
3,444,975increase
(+66.83%)
View
2022-02-09
3:24 pm
Purchase
13GAltair Engineering Inc.
ALTR
VANGUARD GROUP INC4,627,749
9.110%
576,927increase
(+14.24%)
View
2022-02-08
4:52 pm
Sale
13GAltair Engineering Inc.
ALTR
Christ George J10,525,782
17.200%
-1,574,950decrease
(-13.02%)
View
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