ATS Corp
131 hedge funds and large institutions have $2.39B invested in ATS Corp in 2026 Q1 according to their latest regulatory filings, with 24 funds opening new positions, 46 increasing their positions, 38 reducing their positions, and 14 closing their positions.
71% more first-time investments, than exits
New positions opened: 24 | Existing positions closed: 14
21% more repeat investments, than reductions
Existing positions increased: 46 | Existing positions reduced: 38
7% more funds holding
Funds holding: 122 → 131 (+9)
1.97% more ownership
Funds ownership: 84.78% → 86.75% (+2%)
4% more capital invested
Capital invested by funds: $2.3B → $2.39B (+$92.7M)
0% more funds holding in top 10
Funds holding in top 10: 4 → 4 (0)
4% less call options, than puts
Call options by funds: $612K | Put options by funds: $635K
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
VIM
Vinva Investment Management
Sydney,
Australia
|
+$62.8M |
| 2 |
Fidelity International
Hamilton,
Bermuda
|
+$51.9M |
| 3 |
Janus Henderson Group
London,
|
+$43.2M |
| 4 |
MCM
Mason Capital Management
New York
|
+$25.3M |
| 5 |
TWC
TD Waterhouse Canada
Toronto,
Ontario, Canada
|
+$20.1M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Invesco
Atlanta,
Georgia
|
-$27.9M |
| 2 |
TCAM
Turtle Creek Asset Management
Toronto,
Ontario, Canada
|
-$22.4M |
| 3 |
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Toronto,
Ontario, Canada
|
-$20.8M |
| 4 |
1832 Asset Management
Toronto,
Ontario, Canada
|
-$12.5M |
| 5 |
AIMCA
Alberta Investment Management Corp (AIMCo)
Edmonton,
Alberta, Canada
|
-$12M |
ATS Hedge Fund Activity: Q1 2026 in Review
131 of the 8,190 institutional investors tracked by Wall St. Rank reported a position in ATS Corp (ATS) for Q1 2026, worth a combined $2.39B — up 4% from $2.3B a quarter earlier.
Buyers outnumbered sellers: 24 funds opened new ATS positions and 14 closed out — a net gain of 10 holders — while 46 added to existing stakes and 38 trimmed.
The largest buyer was Vinva Investment Management, opening a new position worth an estimated $62.8M. The largest seller was Invesco, cutting an estimated $27.9M.
- 131 institutional investors held ATS Corp (ATS) as of Q1 2026, up from 122 in Q4 2025.
- Funds reported $2.39B of ATS Corp stock for Q1 2026, up 4% quarter-over-quarter.
- 24 funds opened new ATS Corp positions in Q1 2026 and 14 closed out, a net change of +10 holders.
- The largest ATS Corp buyer in Q1 2026 was Vinva Investment Management, an estimated $62.8M added.
- The largest ATS Corp seller in Q1 2026 was Invesco, an estimated $27.9M sold.
Based on aggregated 13F filings for Q1 2026.