Citadel Advisors - ALTAIR ENGR INC ownership

ALTAIR ENGR INC's ticker is and the CUSIP is 021369AA1. A total of 30 filers reported holding ALTAIR ENGR INC in Q2 2020. The put-call ratio across all filers is - and the average weighting 0.3%.

Quarter-by-quarter ownership
Citadel Advisors ownership history of ALTAIR ENGR INC
ValueSharesWeighting
Q3 2020$2,220,000
+5.3%
2,000,0000.0%0.00%0.0%
Q2 2020$2,109,000
-60.4%
2,000,000
-66.7%
0.00%
-50.0%
Q1 2020$5,324,000
-26.0%
6,000,000
-14.3%
0.00%
-33.3%
Q4 2019$7,192,000
+2.0%
7,000,0000.0%0.00%0.0%
Q3 2019$7,052,000
-7.2%
7,000,0000.0%0.00%0.0%
Q2 2019$7,603,0007,000,0000.00%
Other shareholders
ALTAIR ENGR INC shareholders Q2 2020
NameSharesValueWeighting ↓
Boussard & Gavaudan Investment Management LLP 12,170$17,956,0002.36%
STEELHEAD PARTNERS LLC 23,000,000$33,305,0002.29%
TENOR CAPITAL MANAGEMENT Co., L.P. 36,000,000$52,127,0001.02%
III Capital Management 5,084,000$7,382,0000.64%
WOLVERINE ASSET MANAGEMENT LLC 37,015,000$53,561,0000.52%
SHENKMAN CAPITAL MANAGEMENT INC 2,848,000$4,113,0000.52%
Polar Asset Management Partners Inc. 27,500,000$39,821,0000.43%
CAPSTONE INVESTMENT ADVISORS, LLC 31,300,000$45,213,0000.12%
ADVENT CAPITAL MANAGEMENT /DE/ 4,850,000$7,021,0000.11%
Calamos Advisors LLC 10,000,000$14,480,0000.05%
View complete list of ALTAIR ENGR INC shareholders