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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
Rockefeller Capital Management
76
Rockefeller Capital Management
New York
$752K -$4.29K -149 -0.5%
Amundi
77
Amundi
France
$727K – – –
Ohio Public Employees Retirement System (OPERS)
78
Ohio Public Employees Retirement System (OPERS)
Ohio
$712K +$1.53K +53 +0.2%
BONST
79
Bank of Nova Scotia Trust
Ontario, Canada
$657K +$94.3K +3,273 +15%
PCM
80
PenderFund Capital Management
British Columbia, Canada
$523K +$576K +20,000 New
Aberdeen Group
81
Aberdeen Group
United Kingdom
$489K +$68.9K +2,390 +15%
Envestnet Asset Management
82
Envestnet Asset Management
Illinois
$466K -$144K -4,996 -22%
Citigroup
83
Citigroup
New York
$430K +$110K +3,832 +30%
Franklin Resources
84
Franklin Resources
California
$414K -$36.8K -1,276 -7%
Pictet Asset Management
85
Pictet Asset Management
Switzerland
$407K +$48K +1,665 +12%
XT
86
XTX Topco
Cayman Islands
$357K +$77.2K +2,680 +24%
Stifel Financial
87
Stifel Financial
Missouri
$318K +$79.4K +2,755 +29%
TPWA
88
TRUE Private Wealth Advisors
Oregon
$316K – – –
Deutsche Bank
89
Deutsche Bank
Germany
$285K +$26.6K +923 +9%
BFM
90
Boothbay Fund Management
New York
$266K +$101K +3,496 +52%
AllianceBernstein
91
AllianceBernstein
Tennessee
$257K -$120K -4,180 -30%
Mariner
92
Mariner
Kansas
$236K -$191K -6,616 -42%
NEI
93
Northwest & Ethical Investments
Ontario, Canada
$225K -$603K -20,930 -71%
VanEck Associates
94
VanEck Associates
New York
$158K +$25.4K +882 +17%
QT
95
Quantbot Technologies
New York
$122K +$134K +4,665 New
Barclays
96
Barclays
United Kingdom
$118K -$493K -17,120 -79%
SOW
97
State of Wyoming
Wyoming
$112K +$123K +4,262 New
SAM
98
Shell Asset Management
Netherlands
$34K -$87.3K -3,029 -70%
QL
99
Quarry LP
New York
$32.4K +$35.7K +1,238 New
TRCT
100
Tower Research Capital (TRC)
New York
$26.2K -$225K -7,812 -89%
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.