SIMPLEX TRADING, LLC - ALTAIR ENGR INC ownership

ALTAIR ENGR INC's ticker is and the CUSIP is 021369903. A total of 1 filers reported holding ALTAIR ENGR INC in Q1 2023. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of ALTAIR ENGR INC
ValueSharesWeighting
Q3 2023$56
-93.8%
900
-95.5%
0.00%
-100.0%
Q4 2022$909
-99.9%
20,000
-16.0%
0.00%0.0%
Q3 2022$1,052,000
-24.6%
23,800
-10.5%
0.00%0.0%
Q2 2022$1,396,000
+23166.7%
26,600
+26500.0%
0.00%
Q1 2022$6,000
-87.8%
100
-85.7%
0.00%
Q3 2021$49,000
+2.1%
7000.0%0.00%
Q2 2021$48,000
-4.0%
700
+8650.0%
0.00%
Q1 2021$50,000
-20.6%
8
-27.3%
0.00%
Q4 2020$63,000
+687.5%
11
+450.0%
0.00%
Q3 2020$8,000
-94.1%
2
-94.9%
0.00%
Q3 2019$135,000
+4400.0%
39
+3800.0%
0.00%
Q1 2019$3,000
-62.5%
1
-66.7%
0.00%
Q4 2018$8,00030.00%
Other shareholders
ALTAIR ENGR INC shareholders Q1 2023
NameSharesValueWeighting ↓
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
View complete list of ALTAIR ENGR INC shareholders