Trade Filings
Managers Stocks Filings Superinvestors
Signals Institutional Buying Institutional Selling Insider Activity 13D & 13G Watch Sector Rotation
Tools Stock Screener Manager Screener Compare Managers Consensus Baskets All Research Tools Data API
Learn & AI Learn Ask the Data AI Agents
News ★ Saved
About About us Methodology Contact Disclaimer
Reader
DATA PLANS

Historical data downloads — coming with accounts.

API GATEWAY

Free read-only JSON access to the site's cached data.

Dark mode

🧭 Guided View
New to markets — prices, yields, YTD, market cap? We explain every term as you browse, in plain English. Same data, with the help built in.

⚡ Expert View
You already know the market. Just the data — clean, fast and compact, with no extra explanations. This is the default view.

Interface language
Security record

ATS

ATS Corporation · Industrials · Industrial - Machinery

19.65 +2.2% mkt cap $1.93B quote delayed (FMP) · as of Aug 25 22:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
60Tracked holders
+1Δ holders
34.75MShares held
$1.01BReported value
+7New positions
−5Exits
Stable Conviction score 40/100 How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth +1.7% · share flow -2.5% · net new positions +3.3%formula
Ownership fragmentation — more holders, smaller aggregate stake

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 60 +1 34.75M $1.01B +7 −5
Q1 2026 59 -1 36.87M $1.04B +3 −5
Q4 2025 61 +1 37.58M $1.04B +2
Q3 2025 10 0 8.16M $212.71M +1 −2
Q2 2025 8 +1 9.52M $303.37M +1
Q1 2025 5 -1 4.78M $118.06M −1
Q4 2024 6 -3 7.04M $212.78M −3
Q3 2024 9 +1 4.54M $131.57M +1
Q2 2024 8 6.45M $208.57M
Holder count
Who holds it · Q2 2026
#ManagerSharesΔ sharesValueTheir weightHeld
1 Royal Bank Of Canada 7.88M +1.5% $226.83M 0.0% ▲ Add 3 SEC ↗
2 Royal Bank Of Canada 7.88M +1.5% $226.83M 0.0% ▲ Add 3 SEC ↗
3 Royal Bank Of Canada 7.88M +1.5% $226.83M 0.0% ▲ Add 3 SEC ↗
4 Royal Bank Of Canada 7.88M +1.5% $226.83M 0.0% ▲ Add 3 SEC ↗
5 Royal Bank Of Canada 7.88M +1.5% $226.83M 0.0% ▲ Add 3 SEC ↗
6 Royal Bank Of Canada 7.88M +1.5% $226.83M 0.0% ▲ Add 3 SEC ↗
7 Bank Of Montreal /Can/ 3.06M -1.7% $88.20M 0.0% ▼ Trim 3 SEC ↗
8 Bank Of Montreal /Can/ 3.06M -1.7% $88.20M 0.0% ▼ Trim 3 SEC ↗
9 Bank Of Montreal /Can/ 3.06M -1.7% $88.20M 0.0% ▼ Trim 3 SEC ↗
10 Fidelity (FMR) 2.91M +27.6% $83.75M 0.0% ▲ Add 5 SEC ↗
11 Fidelity (FMR) 2.91M +27.6% $83.75M 0.0% ▲ Add 5 SEC ↗
12 Fairfax Financial 2.49M 0.0% $70.49M 2.7% Held 8 SEC ↗
13 Vanguard Capital Management Llc 2.40M +1.3% $69.13M 0.0% ▲ Add 2 SEC ↗
14 TD Waterhouse Canada Inc. 1.68M +3.0% $47.43M 0.1% ▲ Add 3 SEC ↗
15 FIL Ltd 1.33M -25.4% $38.24M 0.0% ▼ Trim 3 SEC ↗
16 FIL Ltd 1.33M -25.4% $38.24M 0.0% ▼ Trim 3 SEC ↗
17 Bank Of America Corp /De/ 1.12M +18.6% $32.30M 0.0% ▲ Add 3 SEC ↗
18 Bank Of America Corp /De/ 1.12M +18.6% $32.30M 0.0% ▲ Add 3 SEC ↗
19 Bank Of America Corp /De/ 1.12M +18.6% $32.30M 0.0% ▲ Add 3 SEC ↗
20 Bank Of America Corp /De/ 1.12M +18.6% $32.30M 0.0% ▲ Add 3 SEC ↗
21 Bank Of America Corp /De/ 1.12M +18.6% $32.30M 0.0% ▲ Add 3 SEC ↗
22 Connor, Clark & Lunn Investment… 1.09M -51.9% $31.37M 0.1% ▼ Trim 3 SEC ↗
23 Norges Bank (passive) 1.08M New $31.22M 0.0% New 1 SEC ↗
24 Clearbridge Investments, LLC 1.06M -2.8% $30.52M 0.0% ▼ Trim 3 SEC ↗
25 Legal & General Group Plc 1.06M +72.7% $30.40M 0.0% ▲ Add 3 SEC ↗
26 Legal & General Group Plc 1.06M +72.7% $30.40M 0.0% ▲ Add 3 SEC ↗
27 Legal & General Group Plc 1.06M +72.7% $30.40M 0.0% ▲ Add 3 SEC ↗
28 Td Asset Management Inc 1.00M -29.4% $28.92M 0.0% ▼ Trim 3 SEC ↗
29 National Bank Of Canada /Fi/ 855.32K +31.9% $24.21M 0.0% ▲ Add 3 SEC ↗
30 National Bank Of Canada /Fi/ 855.32K +31.9% $24.21M 0.0% ▲ Add 3 SEC ↗
31 National Bank Of Canada /Fi/ 855.32K +31.9% $24.21M 0.0% ▲ Add 3 SEC ↗
32 National Bank Of Canada /Fi/ 855.32K +31.9% $24.21M 0.0% ▲ Add 3 SEC ↗
33 MIRAE ASSET GLOBAL ETFS HOLDINGS… 788.78K +4.0% $22.73M 0.0% ▲ Add 3 SEC ↗
34 Massachusetts Financial Services Co… 540.73K +1.3% $22.11M 0.0% ▲ Add 3 SEC ↗
35 Mackenzie Financial Corp 524.77K -14.9% $21.45M 0.0% ▼ Trim 3 SEC ↗
36 Toronto Dominion Bank 406.92K +336.7% $11.72M 0.0% ▲ Add 3 SEC ↗
37 Toronto Dominion Bank 406.92K +336.7% $11.72M 0.0% ▲ Add 3 SEC ↗
38 Toronto Dominion Bank 406.92K +336.7% $11.72M 0.0% ▲ Add 3 SEC ↗
39 1832 Asset Management L.P. 355.75K -11.4% $10.24M 0.0% ▼ Trim 3 SEC ↗
40 Cibc World Market Inc. 327.09K -5.6% $9.42M 0.0% ▼ Trim 3 SEC ↗
41 Charles Schwab Investment… 243.53K +2.0% $7.02M 0.0% ▲ Add 3 SEC ↗
42 Morgan Stanley 234.24K +133.3% $6.74M 0.0% ▲ Add 4 SEC ↗
43 Morgan Stanley 234.24K +133.3% $6.74M 0.0% ▲ Add 4 SEC ↗
44 Morgan Stanley 234.24K +133.3% $6.74M 0.0% ▲ Add 4 SEC ↗
45 Morgan Stanley 234.24K +133.3% $6.74M 0.0% ▲ Add 4 SEC ↗
46 Morgan Stanley 234.24K +133.3% $6.74M 0.0% ▲ Add 4 SEC ↗
47 Morgan Stanley 234.24K +133.3% $6.74M 0.0% ▲ Add 4 SEC ↗
48 Morgan Stanley 234.24K +133.3% $6.74M 0.0% ▲ Add 4 SEC ↗
49 Morgan Stanley 234.24K +133.3% $6.74M 0.0% ▲ Add 4 SEC ↗
50 Goldman Sachs Group 223.76K +328.2% $6.44M 0.0% ▲ Add 4 SEC ↗
51 Goldman Sachs Group 223.76K +328.2% $6.44M 0.0% ▲ Add 4 SEC ↗
52 UBS Group AG 222.55K -2.2% $6.41M 0.0% ▼ Trim 3 SEC ↗
53 UBS Group AG 222.55K -2.2% $6.41M 0.0% ▼ Trim 3 SEC ↗
54 UBS Group AG 222.55K -2.2% $6.41M 0.0% ▼ Trim 3 SEC ↗
55 Jane Street Group, Llc 199.63K +141.6% $5.75M 0.0% ▲ Add 3 SEC ↗
56 Jane Street Group, Llc 199.63K +141.6% $5.75M 0.0% ▲ Add 3 SEC ↗
57 Focus Partners Wealth 181.97K 0.0% $5.24M 0.0% Held 3 SEC ↗
58 First Trust Advisors Lp 181.59K +17.6% $5.23M 0.0% ▲ Add 3 SEC ↗
59 Swiss National Bank 168.00K +2.2% $4.83M 0.0% ▲ Add 3 SEC ↗
60 Dimensional Fund Advisors Lp 167.15K +36.5% $4.81M 0.0% ▲ Add 3 SEC ↗
61 Dimensional Fund Advisors Lp 167.15K +36.5% $4.81M 0.0% ▲ Add 3 SEC ↗
62 Dimensional Fund Advisors Lp 167.15K +36.5% $4.81M 0.0% ▲ Add 3 SEC ↗
63 Dimensional Fund Advisors Lp 167.15K +36.5% $4.81M 0.0% ▲ Add 3 SEC ↗
64 CIBC Asset Management Inc 138.25K +3.0% $3.98M 0.0% ▲ Add 3 SEC ↗
65 Sei Investments Co 97.38K -42.0% $2.80M 0.0% ▼ Trim 3 SEC ↗
66 Lazard Asset Management Llc 83.05K +18.8% $2.39M 0.0% ▲ Add 3 SEC ↗
67 Citadel Advisors 82.31K +1.3% $2.37M 0.0% ▲ Add 5 SEC ↗
68 Citadel Advisors 82.31K +1.3% $2.37M 0.0% ▲ Add 5 SEC ↗
69 Manufacturers Life Insurance… 73.65K -0.6% $2.12M 0.0% ▼ Trim 3 SEC ↗
70 Geode Capital Management (passive) 69.60K +1.2% $2.04M 0.0% ▲ Add 9 SEC ↗
71 Geode Capital Management (passive) 69.60K +1.2% $2.04M 0.0% ▲ Add 9 SEC ↗
72 Nuveen, LLC 62.58K 0.0% $1.80M 0.0% Held 3 SEC ↗
73 Zurcher Kantonalbank (Zurich… 54.36K +72.8% $1.57M 0.0% ▲ Add 3 SEC ↗
74 Citigroup Inc 36.65K +36.7% $1.06M 0.0% ▲ Add 3 SEC ↗
75 Citigroup Inc 36.65K +36.7% $1.06M 0.0% ▲ Add 3 SEC ↗
76 Susquehanna International Group, Llp 34.79K New $1.00M 0.0% New 1 SEC ↗
77 American Century Companies Inc 32.50K New $936,788 0.0% New 1 SEC ↗
78 Franklin Resources Inc 25.41K -89.7% $731,749 0.0% ▼ Trim 3 SEC ↗
79 Franklin Resources Inc 25.41K -89.7% $731,749 0.0% ▼ Trim 3 SEC ↗
80 Franklin Resources Inc 25.41K -89.7% $731,749 0.0% ▼ Trim 3 SEC ↗
81 Squarepoint Ops LLC 24.76K New $712,593 0.0% New 1 SEC ↗
82 Wells Fargo & Company/Mn 19.75K +1210.4% $568,319 0.0% ▲ Add 3 SEC ↗
83 Wells Fargo & Company/Mn 19.75K +1210.4% $568,319 0.0% ▲ Add 3 SEC ↗
84 Barclays Plc 16.81K +464.6% $483,907 0.0% ▲ Add 3 SEC ↗
85 Alliancebernstein L.P. 16.38K +82.8% $461,916 0.0% ▲ Add 3 SEC ↗
86 Pictet Asset Management Holding SA 15.99K -2.6% $460,651 0.0% ▼ Trim 3 SEC ↗
87 Aberdeen Group plc 13.48K -48.6% $388,041 0.0% ▼ Trim 3 SEC ↗
88 Mariner, LLC 11.88K -26.8% $341,878 0.0% ▼ Trim 3 SEC ↗
89 Deutsche Bank Ag\ 10.81K +0.6% $311,141 0.0% ▲ Add 3 SEC ↗
90 Deutsche Bank Ag\ 10.81K +0.6% $311,141 0.0% ▲ Add 3 SEC ↗
91 Hrt Financial Lp 10.82K New $311,000 0.0% New 1 SEC ↗
92 Stifel Financial Corp 9.02K -24.2% $259,481 0.0% ▼ Trim 3 SEC ↗
93 Gotham Asset Management 8.39K +9.4% $241,608 0.0% ▲ Add 2 SEC ↗
94 Invesco Ltd. 8.28K -97.6% $238,270 0.0% ▼ Trim 3 SEC ↗
95 Invesco Ltd. 8.28K -97.6% $238,270 0.0% ▼ Trim 3 SEC ↗
96 Russell Investments Group, Ltd. 1.76K -37.8% $50,655 0.0% ▼ Trim 3 SEC ↗
97 JPMorgan Chase 1.38K +43.5% $38,102 0.0% ▲ Add 4 SEC ↗
98 JPMorgan Chase 1.38K +43.5% $38,102 0.0% ▲ Add 4 SEC ↗
99 Simplex Trading, Llc 846 New $24,347 0.0% New 1 SEC ↗
100 Pacer Advisors, Inc. 604 +152.7% $17,000 0.0% ▲ Add 3 SEC ↗

“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.

New buyers

Norges Bank $31.22M 0.0%
Susquehanna International… $1.00M 0.0%
American Century Companies Inc $936,788 0.0%
Squarepoint Ops LLC $712,593 0.0%
Hrt Financial Lp $311,000 0.0%
Simplex Trading, Llc $24,347 0.0%

Exited

Principal Financial Group Inc $17.44M was 0.0%
D. E. Shaw & Co. $850,982 was 0.0%
Balyasny Asset Management L.P. $398,297 was 0.0%
Marshall Wace $279,744 was 0.0%
Jones Financial Companies Lllp $1,011 was 0.0%

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 127 holders, 90.41M shares, $2.37B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.

Frequently co-owned

What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q2 2026 · Methodology · Get this via the API