Calamos Advisors’s Altair Engineering Inc ALTR Stock Holding History

Calamos Advisors’s Portfolio ALTR Stock Details ALTR Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q1	–	Sell	-49,773	Closed	-$5.43M	–	999
2024 Q4	$5.43M	Buy	+49,773	New	+$5.13M	0.02%	509
2023 Q4	–	Sell	-11,672	Closed	-$730K	–	981
2023 Q3	$730K	Sell	11,672 -3,343	-22%	-$225K	﹤0.01%	688
2023 Q2	$1.14M	Buy	+15,015	New	+$1.07M	0.01%	694

Other funds holding ALTR

Principal Securities Des Moines, Iowa $6.82B AUM 17.15% 1-Year Est. Return

IFP Advisors Tampa, Florida $5.54B AUM 27.43% 1-Year Est. Return

HNB

Huntington National Bank Columbus, Ohio $18.1B AUM 24.69% 1-Year Est. Return

Calamos Advisors's ALTR Position: Q1 2025 in Review

Calamos Advisors sold out of Altair Engineering Inc (ALTR) in Q1 2025, closing a stake of 49,773 shares — an estimated $5.43M sold.

Calamos Advisors first reported a position in ALTR in Q2 2023 and held it in 3 quarters. The position peaked at $5.43M in Q4 2024. 3 funds tracked by Wall St. Rank hold ALTR as of Q1 2025.

Calamos Advisors reported no remaining Altair Engineering Inc position as of Q1 2025 after selling out during the quarter.
Calamos Advisors sold 49,773 Altair Engineering Inc shares in Q1 2025, an estimated $5.43M.
Calamos Advisors first reported a position in Altair Engineering Inc in Q2 2023 and held it in 3 quarters.
Calamos Advisors's Altair Engineering Inc position peaked at $5.43M in Q4 2024.
3 funds tracked by Wall St. Rank held Altair Engineering Inc as of Q1 2025.

Based on Calamos Advisors's 13F filing for Q1 2025, filed 29 Apr 2025.