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805 hedge funds and large institutions have $18.6B invested in MasTec in 2026 Q1 according to their latest regulatory filings, with 182 funds opening new positions, 254 increasing their positions, 261 reducing their positions, and 62 closing their positions.

New
Increased
Maintained
Reduced
Closed

194% more first-time investments, than exits

New positions opened: 182 | Existing positions closed: 62

56% more funds holding in top 10

Funds holding in top 10: 1828 (+10)

46% more capital invested

Capital invested by funds: $12.7B → $18.6B (+$5.89B)

27% more call options, than puts

Call options by funds: $225M | Put options by funds: $177M

16% more funds holding

Funds holding: 694805 (+111)

0.78% less ownership

Funds ownership: 74.31%73.53% (-0.78%)

3% less repeat investments, than reductions

Existing positions increased: 254 | Existing positions reduced: 261

Holders
805
Holders Change
+111
Holders Change %
+15.99%
% of All Funds
9.92%
Holding in Top 10
28
Holding in Top 10 Change
+10
Holding in Top 10 Change %
+55.56%
% of All Funds
0.34%
New
182
Increased
254
Reduced
261
Closed
62
Calls
$225M
Puts
$177M
Net Calls
+$47.8M
Net Calls Change
+$151M
Name Holding Trade Value Shares
Change
Change in
Stake
JP Morgan Chase
51
JP Morgan Chase
New York
$61.8M -$3.84M -14,195 -7%
Manulife (Manufacturers Life Insurance)
52
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$60.5M -$14M -51,575 -22%
Lord, Abbett & Co
53
Lord, Abbett & Co
New Jersey
$59.3M -$22.5M -83,240 -31%
OAM
54
OP Asset Management
$59M -$430K -1,588 -0.9%
Vontobel Holding
55
Vontobel Holding
Switzerland
$58.1M +$5M +18,453 +11%
Amundi
56
Amundi
France
$55.2M +$27.5M +101,653 +145%
GAM
57
Gotham Asset Management
New York
$54.9M -$9.95M -36,759 -18%
RhumbLine Advisers
58
RhumbLine Advisers
Massachusetts
$54.1M +$944K +3,486 +2%
N
59
Nuveen
North Carolina
$52M +$670K +2,476 +2%
KMC
60
Kirr Marbach & Co
Indiana
$51.5M -$1.99M -7,359 -4%
Northwestern Mutual Wealth Management
61
Northwestern Mutual Wealth Management
Wisconsin
$49.1M -$9.84M -36,334 -19%
GIM
62
Goodlander Investment Management
Texas
$46.7M -$6.77M -25,000 -15%
HC
63
Hillman Company
Pennsylvania
$46.6M
Schroder Investment Management Group
64
Schroder Investment Management Group
United Kingdom
$46.5M -$15.1M -55,695 -28%
SG Americas Securities
65
SG Americas Securities
New York
$44.7M +$29.5M +109,040 +366%
SC
66
Samlyn Capital
New York
$44.4M -$45.6M -168,283 -55%
Principal Financial Group
67
Principal Financial Group
Iowa
$44.1M -$3.53M -13,050 -9%
CTB
68
Country Trust Bank
Illinois
$42.4M -$16.4M -60,471 -31%
Balyasny Asset Management
69
Balyasny Asset Management
Illinois
$41.4M +$135K +497 +0.4%
Swiss National Bank
70
Swiss National Bank
Switzerland
$40.5M +$406K +1,500 +1%
AG
71
Algert Global
California
$38M -$2.21M -8,179 -6%
Wells Fargo
72
Wells Fargo
California
$37.6M -$5.19M -19,184 -14%
California Public Employees Retirement System
73
California Public Employees Retirement System
California
$37.4M -$49.8K -184 -0.2%
NCA
74
Newbrook Capital Advisors
New York
$36.4M +$30.6M +112,985 New
TCP
75
ThornTree Capital Partners
Massachusetts
$36.3M +$30.5M +112,741 New