Altair Engineering Inc.

ALTRDelisted Mar 26, 2025

Industry: Services-Prepackaged Software
SEC CIK: 0001701732

SEC filings (opens in a new tab)

Altair Engineering Inc. was delisted on Mar 26, 2025; its insiders filed their last Form 4 on Mar 26, 2025; 298 institutions reported holding it in 13F filings for Q4 2024, worth $6.27B in total; ARK Invest was the only superinvestor holding it.

Q4 2023 vs. Q3 2023

How the institutions holding Altair Engineering Inc. changed between Q3 2023 and Q4 2023.

All holders in Q4 2023 All holders in Q3 2023

13F holders of ALTR: Q3 2023 compared with Q4 2023
Measure	Q3 2023	Of which not filed for Q4 2023	Q4 2023	Change
Holders	194	1	216	+23
Shares	52.7M	3.32K	54.9M	+2.14M (+4.1%)
Value	$3.30B	$207.9K	$4.62B	+$1.32B (+40.0%)

1 institution that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so the changes leave them out.

New holders (45)

Institutions that held Altair Engineering Inc. at the end of Q4 2023 but not at the end of Q3 2023.

Institutions new to ALTR in Q4 2023
Institution	Shares	Value	% of portfolio
T. Rowe Price Investment Management, Inc.	1,108,457	$93.3M	0.06%
Bain Capital Public Equity Management II, LLC	686,009	$57.7M	2.55%
Stephens Investment Management Group LLC	148,423	$12.5M	0.18%
Bain Capital Public Equity, LP	75,770	$6.38M	5.10%
Concentric Capital Strategies, LP	48,895	$4.11M	0.53%
Jane Street Group, LLC	28,642	$2.41M	0.00%
TD Asset Management Inc	26,800	$2.26M	0.00%
ExodusPoint Capital Management, LP	23,818	$2.00M	0.02%
Ardsley Advisory Partners LP	23,500	$1.98M	0.43%
Lisanti Capital Growth, LLC	22,105	$1.86M	0.44%
Dark Forest Capital Management LP	9,155	$770.4K	0.12%
Wolverine Trading, LLC	5,912	$497.5K	0.00%
Gsa Capital Partners LLP	5,451	$459.0K	0.04%
Handelsinvest Investeringsforvaltning	4,717	$397.0K	0.16%
Walleye Capital LLC	4,056	$341.3K	0.00%
Creative Planning	3,992	$335.9K	0.00%
Simplex Trading, LLC	3,870	$325.0K	0.01%
Pathstone Holdings, LLC	3,731	$314.0K	0.00%
Versor Investments LP	3,542	$298.1K	0.06%
Prelude Capital Management, LLC	3,442	$289.6K	0.03%
Keebeck Alpha, LP	3,442	$289.6K	0.23%
Xponance, Inc.	3,299	$277.6K	0.00%
Raymond James Trust N.A.	3,001	$252.5K	0.01%
Marco Investment Management LLC	2,945	$247.8K	0.03%
O'Shaughnessy Asset Management, LLC	2,825	$237.7K	0.00%
Petrus Trust Company, LTA	2,634	$221.7K	0.02%
Kapitalo Investimentos Ltda	2,618	$220.3K	0.05%
Legato Capital Management LLC	2,575	$216.7K	0.03%
Hardy Reed LLC	2,570	$216.3K	0.03%
Smartleaf Asset Management LLC	1,671	$141.1K	0.04%
Quantbot Technologies LP	658	$55.4K	0.00%
EdgeRock Capital LLC	382	$33.5K	0.02%
Penserra Capital Management LLC	400	$33.0K	0.00%
McGlone Suttner Wealth Management, Inc.	366	$30.8K	0.01%
Quest Partners LLC	252	$21.2K	0.00%
GAMMA Investing LLC	215	$18.3K	0.00%
Natixis	94	$7.91K	0.00%
Principal Securities, Inc.	93	$7.83K	0.00%
RFP Financial Group LLC	87	$7.32K	0.00%
Quadrant Capital Group LLC	81	$6.82K	0.00%
Advisory Services Network, LLC	39	$3.28K	0.00%
Private Wealth Management Group, LLC	30	$2.52K	0.00%
Stephens Inc	24	$2.02K	0.00%
Ronald Blue Trust, Inc.	29	$2.00K	0.00%
EverSource Wealth Advisors, LLC	7	$589	0.00%

Sold out (22)

Institutions that held Altair Engineering Inc. at the end of Q3 2023 and filed for Q4 2023 without it.

Institutions that sold out of ALTR in Q4 2023
Institution	Shares, Q3 2023	Value, Q3 2023
Riposte Capital LLC	125,000	$7.82M
Castleark Management LLC	77,950	$4.88M
First Trust Advisors LP	27,647	$1.73M
Voloridge Investment Management, LLC	24,330	$1.52M
Lord, Abbett & Co. LLC	19,286	$1.21M
Advent Capital Management	17,400	$1.09M
HRT Financial LP	14,177	$886.0K
Calamos Advisors LLC	11,672	$730.2K
Virtue Capital Management, LLC	8,438	$628.8K
Y-Intercept (Hong Kong) Ltd	8,496	$531.5K
Jump Financial, LLC	7,660	$479.2K
Bank of Montreal	7,198	$471.3K
MQS Management LLC	6,522	$408.0K
Fox Run Management, L.L.C.	5,044	$315.6K
Schonfeld Strategic Advisors LLC	3,863	$241.7K
Aigen Investment Management, LP	3,642	$227.8K
XTX Topco Ltd	3,383	$211.6K
SG Americas Securities, LLC	2,171	$136.0K
Allspring Global Investments Holdings, LLC	1,991	$124.6K
Skandinaviska Enskilda Banken AB (publ)	700	$44.0K
Baker Avenue Asset Management, LP	8	$500
Assetmark, Inc	2	$125

Not filed for Q4 2023 yet (1)

Institutions that held Altair Engineering Inc. at the end of Q3 2023 and haven't filed a 13F for Q4 2023. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding ALTR in Q3 2023 that haven't filed for Q4 2023
Institution	Shares, Q3 2023	Value, Q3 2023
First Republic Investment Management, Inc.	3,323	$207.9K