517 hedge funds and large institutions have $6.56B invested in MasTec in 2025 Q1 according to their latest regulatory filings, with 83 funds opening new positions, 203 increasing their positions, 159 reducing their positions, and 84 closing their positions.

New
Increased
Maintained
Reduced
Closed

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding in top 10

Funds holding in top 10:

less first-time investments, than exits

New positions opened: | Existing positions closed:

less ownership

Funds ownership:

2% less funds holding

Funds holding: 526517 (-9)

15% less call options, than puts

Call options by funds: $66.1M | Put options by funds: $77.8M

16% less capital invested

Capital invested by funds: $7.82B → $6.56B (-$1.26B)

Holders
517
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
14
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$66.1M
Puts
$77.8M
Net Calls
Net Calls Change

Top Buyers

1 +$75.6M
2 +$48.9M
3 +$46.2M
4
BlackRock
BlackRock
New York
+$44.1M
5
Blackstone Inc
Blackstone Inc
New York
+$36.8M

Top Sellers

1 -$126M
2 -$61.6M
3 -$60M
4
Citadel Advisors
Citadel Advisors
Florida
-$57.6M
5
Invesco
Invesco
Georgia
-$40.1M
Name Holding Trade Value Shares
Change
Change in
Stake
SFG
501
Stonebridge Financial Group
Pennsylvania
$817
CPG
502
Cornerstone Planning Group
New Jersey
$710
BF
503
BOK Financial
Oklahoma
$700
EWA
504
EQ Wealth Advisors
Texas
$700
GC
505
Garde Capital
Washington
$584
LFG
506
Larson Financial Group
Missouri
$584
WA
507
Whipplewood Advisors
Colorado
$467
BGAI
508
Bruce G. Allen Investments
Colorado
$350
PWM
509
Parkworth Wealth Management
California
$350
GP
510
Greenline Partners
New York
$350
HIA
511
HFM Investment Advisors
New Jersey
$234
AssetMark Inc
512
AssetMark Inc
California
$233
AF
513
Advisornet Financial
Minnesota
$233
TFM
514
TFC Financial Management
Massachusetts
$117
RS
515
Rakuten Securities
Japan
$117
WCM
516
WealthTrak Capital Management
Virginia
$117
BHWM
517
Bay Harbor Wealth Management
Maryland
$116
JCM
518
JAT Capital Management
Connecticut
CC
519
Cartenna Capital
Connecticut
BCPEMI
520
Bain Capital Public Equity Management II
Massachusetts
Renaissance Technologies
521
Renaissance Technologies
New York
Alyeska Investment Group
522
Alyeska Investment Group
Illinois
1C
523
1060 Capital
Colorado
CSS
524
Cubist Systematic Strategies
Connecticut
HF
525
HRT Financial
New York