ACK Asset Management - ATS ownership

ATS's ticker is and the CUSIP is 00217Y104. A total of 125 filers reported holding ATS in Q2 2023. The put-call ratio across all filers is - and the average weighting 1.0%.

Quarter-by-quarter ownership
ACK Asset Management ownership history of ATS
ValueSharesWeighting
Q3 2023$52,054
-7.5%
1,221,3410.0%7.56%
+7.9%
Q2 2023$56,292
+25.1%
1,221,341
+13.6%
7.01%
+2.0%
Q1 2023$45,011
+34.7%
1,075,0000.0%6.87%
+12.0%
Q4 2022$33,4201,075,0006.14%
Other shareholders
ATS shareholders Q2 2023
NameSharesValueWeighting ↓
MASON CAPITAL MANAGEMENT LLC 17,849,765$822,695,66980.16%
ACK Asset Management 1,221,341$56,2927.01%
Caldwell Investment Management Ltd. 186,800$8,524,6576.45%
Turtle Creek Asset Management 2,329,131$107,349,6483.08%
BAROMETER CAPITAL MANAGEMENT INC. 163,735$9,979,6482.66%
PCJ Investment Counsel Ltd. 126,525$5,820,8852.47%
NewGen Asset Management Ltd 96,100$4,429,2492.44%
EAM Global Investors LLC 158,219$7,287,6992.14%
Triasima Portfolio Management inc. 536,472$32,697,9682.07%
Waratah Capital Advisors Ltd. 1,154,651$53,111,5411.01%
View complete list of ATS shareholders