Institutional Ownership
Ats Corporation
CUSIP 00217Y104COMATSQ1 2026
Institutional Holders
122
13F filers
Shares Held
81.46M
Aggregate institutional
Institutional Value
$2.12B
Q1 2026
Net New Holders
+3
17 new · 14 closed
Institutional Ownership Trend
Aggregate 13F value by quarter
Multi-quarter trend — upgrade to see history
UpgradePosition Activity
Q1 2026
New positions17
Increased44
Decreased39
Sold out14
Institutional Holders
122 funds hold this security · Q1 2026
| # | Fund | Shares | Value | Δ Shares | Activity |
|---|---|---|---|---|---|
| 1 | Mason Capital Management LLC | 16.40M | $462.60M | +840.6K | Added |
| 2 | Royal Bank Of Canada | 7.76M | $218.88M | +117.3K | Added |
| 3 | Edgepoint Investment Group Inc. | 7.17M | $202.08M | +279.3K | Added |
| 4 | Turtle Creek Asset Management Inc. | 4.90M | $138.09M | −745.4K | Reduced |
| 5 | Bank Of Montreal /Can/ | 3.12M | $87.83M | +92.7K | Added |
| 6 | Fairfax Financial Holdings Ltd/ Can | 2.49M | $69.35M | 0 | Held |
| 7 | Janus Henderson Group PLC | 2.30M | $64.54M | +1.44M | Added |
| 8 | Fmr LLC | 2.28M | $64.19M | +159.7K | Added |
| 9 | Connor, Clark & Lunn Investment Management Ltd. | 2.26M | $63.85M | −220.9K | Reduced |
| 10 | Ack Asset Management LLC | 1.85M | $52.06M | 0 | Held |
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