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Quanta Services

1,599 hedge funds and large institutions have $58.5B invested in Quanta Services in 2025 Q4 according to their latest regulatory filings, with 249 funds opening new positions, 583 increasing their positions, 541 reducing their positions, and 70 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

more ownership

Funds ownership:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

6% more call options, than puts

Call options by funds: $708M | Put options by funds: $668M

4% more capital invested

Capital invested by funds: $56B → $58.5B (+$2.46B)

4% less funds holding in top 10

Funds holding in top 10: 5149 (-2)

Holders
1,599
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
49
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$708M
Puts
$668M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
VOYA Investment Management
126
VOYA Investment Management
Georgia
$44.9M
Adage Capital Partners
127
Adage Capital Partners
Massachusetts
$44.5M
NC
128
NZS Capital
Colorado
$43.6M
Calamos Advisors
129
Calamos Advisors
Illinois
$43.5M
ZCI
130
Zevenbergen Capital Investments
Washington
$43.4M
UBP
131
Union Bancaire Privee
Switzerland
$43.1M
TD Asset Management
132
TD Asset Management
Ontario, Canada
$43M
FDCP
133
Foster Dykema Cabot & Partners
Massachusetts
$43M
VWA
134
Visionary Wealth Advisors
Illinois
$42.9M
Prudential Financial
135
Prudential Financial
New Jersey
$42.8M
BFS
136
Bradley Foster & Sargent
Connecticut
$42.7M
DCM
137
Driehaus Capital Management
Illinois
$42.7M
CAG
138
Crestwood Advisors Group
Massachusetts
$42.6M
Credit Agricole
139
Credit Agricole
France
$42.4M
ZDA
140
Zweig-DiMenna Associates
New York
$41.8M
Natixis Advisors
141
Natixis Advisors
Massachusetts
$41.3M
Rockefeller Capital Management
142
Rockefeller Capital Management
New York
$41M
KK
143
KLP Kapitalforvaltning
Norway
$40.6M
EAM
144
Erste Asset Management
Austria
$40.5M
AT
145
Avalon Trust
New Mexico
$39.5M
MDSL
146
M.D. Sass LLC
New York
$38.7M
Canada Life
147
Canada Life
Manitoba, Canada
$38.1M
Asset Management One
148
Asset Management One
Japan
$37.9M
EAM
149
Eventide Asset Management
Massachusetts
$37.6M
State of Wisconsin Investment Board
150
State of Wisconsin Investment Board
Wisconsin
$36.9M