State of Wisconsin Investment Board’s Altair Engineering Inc. Class A Common Stock ALTR Stock Holding History

Quarter Market Value Status Shares Shares
Change %
Trade Value Portfolio Weight Portfolio Position
2025
Q1
Sell
-197,530
Closed -$21.6M 2359
2024
Q4
$21.6M Buy
197,530
+97,452
+97% +$10.6M 0.06% 311
2024
Q3
$9.56M Hold
100,078
0.02% 679
2024
Q2
$9.82M Sell
100,078
-7,140
-7% -$700K 0.03% 603
2024
Q1
$9.24M Sell
107,218
-6,728
-6% -$580K 0.02% 667
2023
Q4
$9.59M Buy
113,946
+23,058
+25% +$1.94M 0.03% 634
2023
Q3
$5.69M Sell
90,888
-4,888
-5% -$306K 0.02% 861
2023
Q2
$7.26M Sell
95,776
-2,458
-3% -$186K 0.02% 758
2023
Q1
$7.08M Sell
98,234
-12,073
-11% -$871K 0.02% 767
2022
Q4
$5.02M Sell
110,307
-3,190
-3% -$145K 0.02% 938
2022
Q3
$5.02M Sell
113,497
-3,259
-3% -$144K 0.02% 939
2022
Q2
$6.13M Sell
116,756
-7,894
-6% -$414K 0.02% 897
2022
Q1
$8.03M Hold
124,650
0.02% 910
2021
Q4
$9.64M Hold
124,650
0.02% 793
2021
Q3
$8.59M Hold
124,650
0.02% 824
2021
Q2
$8.6M Hold
124,650
0.02% 837
2021
Q1
$7.8M Hold
124,650
0.02% 861
2020
Q4
$7.25M Sell
124,650
-15,500
-11% -$902K 0.02% 828
2020
Q3
$5.88M Sell
140,150
-2,500
-2% -$105K 0.01% 870
2020
Q2
$5.67M Buy
142,650
+2,500
+2% +$99.4K 0.02% 838
2020
Q1
$3.71M Hold
140,150
0.01% 889
2019
Q4
$5.03M Hold
140,150
0.01% 929
2019
Q3
$4.85M Hold
140,150
0.01% 826
2019
Q2
$5.66M Buy
140,150
+1,550
+1% +$62.6K 0.02% 792
2019
Q1
$5.1M Buy
138,600
+28,600
+26% +$1.05M 0.01% 817
2018
Q4
$3.03M Hold
110,000
0.01% 886
2018
Q3
$4.78M Hold
110,000
0.01% 891
2018
Q2
$3.76M Hold
110,000
0.01% 919
2018
Q1
$3.45M Hold
110,000
0.01% 910
2017
Q4
$2.63M Buy
+110,000
New +$2.63M 0.01% 945