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ATS Corp
ATS

116 hedge funds and large institutions have $2.2B invested in ATS Corp in 2025 Q3 according to their latest regulatory filings, with 15 funds opening new positions, 42 increasing their positions, 45 reducing their positions, and 31 closing their positions.

New
Increased
Maintained
Reduced
Closed

7% less repeat investments, than reductions

Existing positions increased: 42 | Existing positions reduced: 45

3.5% less ownership

Funds ownership: 88.92% → 85.42% (-3.5%)

12% less funds holding

Funds holding: 132 → 116 (-16)

21% less capital invested

Capital invested by funds: $2.77B → $2.2B (-$572M)

33% less funds holding in top 10

Funds holding in top 10: 6 → 4 (-2)

52% less first-time investments, than exits

New positions opened: 15 | Existing positions closed: 31

81% less call options, than puts

Call options by funds: $1.36M | Put options by funds: $7.28M

Holders
116
Holders Change
-16
Holders Change %
-12.12%
% of All Funds
1.52%
Holding in Top 10
4
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-33.33%
% of All Funds
0.05%
New
15
Increased
42
Reduced
45
Closed
31
Calls
$1.36M
Puts
$7.28M
Net Calls
-$5.92M
Net Calls Change
+$1.01M

Top Buyers

Rank Fund Capital Flow
1
VLKIM
Van Lanschot Kempen Investment Management
Netherlands
+$17M
2
AIMCA
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
+$16.5M
3
HCC
Hill City Capital
Massachusetts
+$12.2M
4
SRAIM
Scheer Rowlett & Associates Investment Management
Ontario, Canada
+$12.2M
5
Bank of America
Bank of America
North Carolina
+$11.2M

Top Sellers

Rank Fund Capital Flow
1
Capital World Investors
Capital World Investors
California
-$38.1M
2
ClearBridge Investments
ClearBridge Investments
New York
-$20.6M
3
MCM
Moore Capital Management
New York
-$19.5M
4
TCAM
Turtle Creek Asset Management
Ontario, Canada
-$17.8M
5
BGC
Beutel, Goodman & Co
Ontario, Canada
-$14.5M
Name Holding Trade Value Shares
Change 		Change in
Stake
JP Morgan Chase
101
JP Morgan Chase
New York
$18.7K +$10.4K +360 +102%
Osaic Holdings
102
Osaic Holdings
Arizona
$17.2K -$663 -23 -4%
Wells Fargo
103
Wells Fargo
California
$16.6K +$18.2K +632 New
BCV
104
Banque Cantonale Vaudoise
Switzerland
$9K – – –
FFA
105
Farther Finance Advisors
California
$6.37K +$7K +243 New
HFS
106
Hantz Financial Services
Michigan
$5K -$234K -8,119 -98%
CIAM
107
Caitong International Asset Management
Hong Kong
$3.75K -$10.1K -350 -71%
Pacer Advisors
108
Pacer Advisors
Pennsylvania
$2.59K +$173 +6 +6%
W
109
WealthCollab
Washington
$2.33K – – –
Jones Financial Companies
110
Jones Financial Companies
Missouri
$1.26K -$144 -5 -9%
RFP
111
Root Financial Partners
California
$1.05K +$1.15K +40 New
Simplex Trading
112
Simplex Trading
Illinois
$1K -$103K -3,563 -98%
BIA
113
Bell Investment Advisors
California
$524 – – –
EWA
114
EverSource Wealth Advisors
Alabama
$524 – – –
LFG
115
Larson Financial Group
Missouri
$341 +$375 +13 New
LSA
116
Leonteq Securities AG
Switzerland
$146 – – –
Capital World Investors
117
Capital World Investors
California
– -$38.1M -1,196,000 Closed
Norges Bank
118
Norges Bank
Norway
– -$32.8M -1,027,456 Closed
MCM
119
Moore Capital Management
New York
– -$19.5M -611,120 Closed
PMAM
120
Picton Mahoney Asset Management
Ontario, Canada
– -$8.89M -279,805 Closed
LOAME
121
Lombard Odier Asset Management (Europe)
United Kingdom
– -$3.9M -122,148 Closed
WCA
122
Waratah Capital Advisors
Ontario, Canada
– -$3.78M -118,480 Closed
Natixis Advisors
123
Natixis Advisors
Massachusetts
– -$3.15M -98,912 Closed
UBS AM
124
UBS AM
Illinois
– -$2.58M -80,962 Closed
Fidelity International
125
Fidelity International
Bermuda
– -$1.13M -35,436 Closed
2 3 4
5
6

ATS Hedge Fund Activity: Q3 2025 in Review

116 of the 7,621 institutional investors tracked by Wall St. Rank reported a position in ATS Corp (ATS) for Q3 2025, worth a combined $2.2B — down 21% from $2.77B a quarter earlier.

Sellers outnumbered buyers: 31 funds closed out of ATS and 15 opened new positions — a net loss of 16 holders — while 45 trimmed existing stakes and 42 added.

The largest buyer was Van Lanschot Kempen Investment Management, adding an estimated $17M. The largest seller was Capital World Investors, exiting entirely with an estimated $38.1M sold.

  • 116 institutional investors held ATS Corp (ATS) as of Q3 2025, down from 132 in Q2 2025.
  • Funds reported $2.2B of ATS Corp stock for Q3 2025, down 21% quarter-over-quarter.
  • 15 funds opened new ATS Corp positions in Q3 2025 and 31 closed out, a net change of -16 holders.
  • The largest ATS Corp buyer in Q3 2025 was Van Lanschot Kempen Investment Management, an estimated $17M added.
  • The largest ATS Corp seller in Q3 2025 was Capital World Investors, an estimated $38.1M sold.

Based on aggregated 13F filings for Q3 2025.