ACK Asset Management - ATS ownership

ATS's ticker is and the CUSIP is 00217Y104. A total of 129 filers reported holding ATS in Q2 2023. The put-call ratio across all filers is - and the average weighting 0.9%.

Quarter-by-quarter ownership
ACK Asset Management ownership history of ATS
ValueSharesWeighting
Q2 2024$64,620,000
+24.4%
2,000,000
+29.9%
7.98%
+31.8%
Q1 2024$51,928,800
-7.6%
1,540,000
+18.0%
6.05%
-10.5%
Q4 2023$56,205,489
+107875.4%
1,304,980
+6.8%
6.76%
-10.6%
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 14,349,765$463,640,90786.14%
ACK Asset Management 2,000,000$64,620,0007.98%
Turtle Creek Asset Management 5,095,738$164,643,2954.24%
Caldwell Investment Management Ltd. 48,100$1,554,9211.17%
EdgePoint Investment Group Inc. 3,540,639$114,589,2310.96%
Galibier Capital Management Ltd. 110,830$3,585,6780.89%
Front Street Capital Management, Inc. 136,750$4,4180.85%
Canoe Financial LP 686,879$23,120,9170.43%
Covalis Capital LLP 95,561$3,091,6690.42%
Dixon Mitchell Investment Counsel Inc. 238,625$7,720,1950.39%
View complete list of ATS shareholders