Matrix Capital Management Company, LP

13F Holdings History for Altair Engineering Inc. - Class A Common Stock, $0.0001 par value per share (ALTR)

Symbol: ALTR
Investment type: Equity / Class A Common Stock, $0.0001 par value per share
Latest Disclosed Ownership: 0 shares
Security Ownership: 0%

Shares, Excluding Options vs Price

Value, Excluding Options

Matrix Capital Management Company, LP ownership in Altair Engineering Inc. Class A Common Stock, $0.0001 par value per share (ALTR)

2025-04-07 - Matrix Capital Management Company, LP has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 0 shares of Altair Engineering Inc. Class A Common Stock, $0.0001 par value per share (ALTR). This represents 0% percent ownership of the company.

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filed at
Matrix Capital Management Company, LP	0%			0			$115.27	13G/A	3/31/2025	7 Apr 2025 16:15:10

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
3/31/2025		-63%	$0	0	-12,430,000	-100%		Q1 2025
12/31/2024	63%		$1.36B	12.4M			$109.11	Q4 2024
9/30/2024	56.7%		$1.19B	12.4M			$95.51	Q3 2024
6/30/2024	9.28%		$1.22B	12.4M			$98.08	Q2 2024
3/31/2024	9.95%	+0.17%	$1.07B	12.4M	+196,826	+1.61%	$86.15	Q1 2024
12/31/2023	10.6%	+0.94%	$1.03B	12.2M	+932,717	+8.25%	$84.15	Q4 2023
9/30/2023	8.48%	+0.09%	$707M	11.3M	+126,257	+1.13%	$62.56	Q3 2023
6/30/2023	9.85%		$847M	11.2M			$75.84	Q2 2023
3/31/2023	10.9%	+0.3%	$806M	11.2M	+303,200	+2.79%	$72.11	Q1 2023
12/31/2022	9.44%	+0.49%	$494M	10.9M	+566,000	+5.49%	$45.47	Q4 2022
9/30/2022	8.72%	+0.85%	$456M	10.3M	+1,005,000	+10.8%	$44.22	Q3 2022
6/30/2022	11.1%	+0.83%	$488M	9.3M	+700,000	+8.14%	$52.50	Q2 2022
3/31/2022	6.65%		$554M	8.6M			$64.40	Q1 2022
12/31/2021	7.4%	+0.36%	$665M	8.6M	+419,411	+5.13%	$77.32	Q4 2021
9/30/2021	6.42%	+2.21%	$564M	8.18M	+2,935,564	+56%	$68.94	Q3 2021
6/30/2021	3.95%	+0.07%	$362M	5.25M	+90,000	+1.75%	$68.97	Q2 2021
3/31/2021	3.72%		$323M	5.16M			$62.57	Q1 2021
12/31/2020	3.24%	+0.64%	$300M	5.16M	+1,018,300	+24.6%	$58.18	Q4 2020
9/30/2020	2.31%		$174M	4.14M			$41.98	Q3 2020
6/30/2020	2.56%		$164M	4.14M			$39.75	Q2 2020
3/31/2020	2.8%	+1.18%	$110M	4.14M	+1,744,000	+72.9%	$26.50	Q1 2020
12/31/2019	1.83%	+1.29%	$85.9M	2.39M	+1,688,100	+240%	$35.91	Q4 2019
9/30/2019	0.6%	+0.6%	$24.4M	705K	+704,625	NEW	$34.62	Q3 2019

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.