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651 hedge funds and large institutions have $12.2B invested in MasTec in 2025 Q3 according to their latest regulatory filings, with 139 funds opening new positions, 203 increasing their positions, 224 reducing their positions, and 73 closing their positions.

New
Increased
Maintained
Reduced
Closed

90% more first-time investments, than exits

New positions opened: 139 | Existing positions closed: 73

29% more funds holding in top 10

Funds holding in top 10: 1418 (+4)

28% more capital invested

Capital invested by funds: $9.5B → $12.2B (+$2.67B)

10% more funds holding

Funds holding: 591651 (+60)

1.77% more ownership

Funds ownership: 70.8%72.57% (+1.8%)

4% less call options, than puts

Call options by funds: $116M | Put options by funds: $121M

9% less repeat investments, than reductions

Existing positions increased: 203 | Existing positions reduced: 224

Holders
651
Holders Change
+60
Holders Change %
+10.15%
% of All Funds
8.54%
Holding in Top 10
18
Holding in Top 10 Change
+4
Holding in Top 10 Change %
+28.57%
% of All Funds
0.24%
New
139
Increased
203
Reduced
224
Closed
73
Calls
$116M
Puts
$121M
Net Calls
-$5.1M
Net Calls Change
-$61.3M
Name Holding Trade Value Shares
Change
Change in
Stake
MM
376
MQS Management
New York
$615K +$199K +1,085 +60%
IB
377
Intrust Bank
Kansas
$615K +$21.2K +116 +4%
Jane Street
378
Jane Street
New York
$614K -$44.2M -241,471 -99%
SWP
379
Stratos Wealth Partners
Ohio
$614K +$44.9K +245 +9%
SLAM
380
Swiss Life Asset Management
$607K +$223K +1,216 +74%
Bessemer Group
381
Bessemer Group
New Jersey
$603K +$8.24K +45 +2%
M&T Bank
382
M&T Bank
New York
$600K -$110K -598 -18%
Mitsubishi UFJ Trust & Banking
383
Mitsubishi UFJ Trust & Banking
Japan
$595K
RF
384
Rossby Financial
Florida
$591K +$504K +2,750 New
Group One Trading
385
Group One Trading
Illinois
$584K -$910K -4,970 -64%
MC
386
Moors & Cabot
Massachusetts
$580K
KF
387
Krilogy Financial
Missouri
$574K +$528K +2,883 New
ECM
388
Evergreen Capital Management
Washington
$571K +$86.8K +474 +21%
VI
389
Versor Investments
New York
$568K -$515K -2,810 -51%
Truist Financial
390
Truist Financial
North Carolina
$564K +$34.4K +188 +8%
AV
391
Alamea Verwaltungs
New Jersey
$560K +$482K +2,632 New
ProShare Advisors
392
ProShare Advisors
Maryland
$555K -$20K -109 -4%
SWM
393
Spire Wealth Management
Virginia
$548K +$3.3K +18 +0.7%
PAS
394
Park Avenue Securities
New York
$545K +$469K +2,560 New
SCP
395
Sivia Capital Partners
California
$544K +$177K +965 +61%
WMG
396
WESCAP Management Group
California
$537K -$25.8K -141 -5%
WWM
397
Whalen Wealth Management
Nevada
$532K +$458K +2,499 New
WorldQuant Millennium Advisors
398
WorldQuant Millennium Advisors
New York
$531K +$457K +2,495 New
CIP
399
Convergence Investment Partners
Florida
$528K -$929K -5,074 -67%
BPC
400
Banque Pictet & Cie
Switzerland
$528K -$2.75K -15 -0.6%