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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
Jane Street
126
Jane Street
New York
– -$1.03M -32,225 Closed
EMCIP
127
Ewing Morris & Co Investment Partners
Ontario, Canada
– -$1.01M -31,600 Closed
TI
128
Trexquant Investment
Connecticut
– -$918K -28,803 Closed
Susquehanna International Group
129
Susquehanna International Group
Pennsylvania
– -$895K -28,082 Closed
OCAM
130
Onex Canada Asset Management
Ontario, Canada
– -$608K -19,053 Closed
NRD
131
Nebula Research & Development
New York
– -$360K -11,283 Closed
Bank of New York Mellon
132
Bank of New York Mellon
New York
– -$343K -10,774 Closed
CAM
133
Cidel Asset Management
Ontario, Canada
– -$295K -9,270 Closed
EGM
134
Engineers Gate Manager
New York
– -$287K -8,990 Closed
DTL
135
Dynamic Technology Lab
Singapore
– -$281K -8,810 Closed
SIA
136
SkyView Investment Advisors
New Jersey
– -$237K -7,449 Closed
VPIM
137
Vanguard Personalized Indexing Management
California
– -$233K -7,316 Closed
Neuberger Berman Group
138
Neuberger Berman Group
New York
– -$219K -6,885 Closed
CAM
139
Cresset Asset Management
Illinois
– -$206K -6,466 Closed
SC
140
Steph & Co
Wisconsin
– -$63.8K -2,000 Closed
Raymond James Financial
141
Raymond James Financial
Florida
– -$43K -1,348 Closed
WTA
142
Washington Trust Advisors
Massachusetts
– -$5.67K -178 Closed
AF
143
Allworth Financial
California
– -$3.83K -120 Closed
BIG
144
Brooklyn Investment Group
New York
– -$2.71K -85 Closed
GWM
145
Geneos Wealth Management
Colorado
– -$1.82K -57 Closed
Northwestern Mutual Wealth Management
146
Northwestern Mutual Wealth Management
Wisconsin
– -$1.47K -46 Closed
US Bancorp
147
US Bancorp
Minnesota
– -$1.21K -38 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.