Millennium Management
ALTR

Millennium Management’s Altair Engineering Inc ALTR Stock Holding History

Millennium Management’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
-560,612
Closed -$61.2M – 6562
2024
Q4 		$61.2M Buy
+560,612
New +$57.8M 0.03% 677
2024
Q2 		– Sell
-62,900
Closed -$5.42M – 6673
2024
Q1 		$5.42M Sell
62,900
-59,940
-49% -$5.09M ﹤0.01% 2783
2023
Q4 		$10.3M Buy
122,840
+80,560
+191% +$5.6M ﹤0.01% 2158
2023
Q3 		$2.65M Sell
42,280
-155,798
-79% -$10.5M ﹤0.01% 3297
2023
Q2 		$15M Buy
198,078
+51,934
+36% +$3.71M 0.01% 1648
2023
Q1 		$10.5M Buy
146,144
+133,981
+1,102% +$7.92M 0.01% 1909
2022
Q4 		$553K Sell
12,163
-21,409
-64% -$1M ﹤0.01% 4671
2022
Q3 		$1.49M Sell
33,572
-158,614
-83% -$8.31M ﹤0.01% 4008
2022
Q2 		$10.1M Buy
192,186
+154,199
+406% +$8.43M 0.01% 2020
2022
Q1 		$2.45M Buy
37,987
+33,949
+841% +$2.14M ﹤0.01% 3682
2021
Q4 		$312K Sell
4,038
-56,971
-93% -$4.26M ﹤0.01% 5496
2021
Q3 		$4.21M Sell
61,009
-84,953
-58% -$6.06M ﹤0.01% 3062
2021
Q2 		$10.1M Sell
145,962
-20,856
-13% -$1.37M 0.01% 1894
2021
Q1 		$10.4M Buy
166,818
+13,381
+9% +$818K 0.01% 1727
2020
Q4 		$8.93M Buy
153,437
+112,723
+277% +$5.68M 0.01% 1851
2020
Q3 		$1.71K Sell
40,714
-21,030
-34% -$846K ﹤0.01% 2720
2020
Q2 		$2.45M Buy
+61,744
New +$2.1M ﹤0.01% 2372
2020
Q1 		– Sell
-5,724
Closed -$206K – 4625
2019
Q4 		$206K Buy
+5,724
New +$193K ﹤0.01% 3864
2019
Q2 		– Sell
-76,978
Closed -$2.83M – 4552
2019
Q1 		$2.83M Sell
76,978
-141,799
-65% -$4.77M ﹤0.01% 2174
2018
Q4 		$6.03M Sell
218,777
-156,618
-42% -$5.16M 0.01% 1457
2018
Q3 		$16.3M Buy
375,395
+15,301
+4% +$583K 0.02% 956
2018
Q2 		$12.3M Buy
360,094
+92,255
+34% +$3.02M 0.02% 1180
2018
Q1 		$8.4M Buy
267,839
+204,724
+324% +$5.58M 0.01% 1456
2017
Q4 		$1.51M Buy
+63,115
New +$1.4M ﹤0.01% 2447

Other funds holding ALTR

PS
Principal Securities Des Moines, Iowa $6.82B AUM 17.15% 1-Year Est. Return
IA
IFP Advisors Tampa, Florida $4.82B AUM 20.19% 1-Year Est. Return
HNB
Huntington National Bank Columbus, Ohio $18.1B AUM 24.69% 1-Year Est. Return

Millennium Management's ALTR Position: Q1 2025 in Review

Millennium Management sold out of Altair Engineering Inc (ALTR) in Q1 2025, closing a stake of 560,612 shares — an estimated $61.2M sold.

Millennium Management first reported a position in ALTR in Q4 2017 and held it in 24 quarters. The position peaked at $61.2M in Q4 2024. 3 funds tracked by Wall St. Rank hold ALTR as of Q1 2025.

  • Millennium Management reported no remaining Altair Engineering Inc position as of Q1 2025 after selling out during the quarter.
  • Millennium Management sold 560,612 Altair Engineering Inc shares in Q1 2025, an estimated $61.2M.
  • Millennium Management first reported a position in Altair Engineering Inc in Q4 2017 and held it in 24 quarters.
  • Millennium Management's Altair Engineering Inc position peaked at $61.2M in Q4 2024.
  • 3 funds tracked by Wall St. Rank held Altair Engineering Inc as of Q1 2025.

Based on Millennium Management's 13F filing for Q1 2025, filed 15 May 2025.