423 hedge funds and large institutions have $4.36B invested in Mattel in 2026 Q1 according to their latest regulatory filings, with 71 funds opening new positions, 137 increasing their positions, 137 reducing their positions, and 75 closing their positions.

New
Increased
Maintained
Reduced
Closed

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

less ownership

Funds ownership:

less first-time investments, than exits

New positions opened: | Existing positions closed:

less funds holding

Funds holding:

30% less capital invested

Capital invested by funds: $6.19B → $4.36B (-$1.83B)

40% less funds holding in top 10

Funds holding in top 10: 53 (-2)

57% less call options, than puts

Call options by funds: $13.8M | Put options by funds: $31.9M

Holders
423
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
3
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$13.8M
Puts
$31.9M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
Walleye Capital
76
Walleye Capital
New York
$5.27M
State Board of Administration of Florida Retirement System
77
State Board of Administration of Florida Retirement System
Florida
$5.01M
Ameriprise
78
Ameriprise
Minnesota
$5M
Russell Investments Group
79
Russell Investments Group
United Kingdom
$4.54M
New York State Teachers Retirement System (NYSTRS)
80
New York State Teachers Retirement System (NYSTRS)
New York
$4.49M
IMRF
81
Illinois Municipal Retirement Fund
Illinois
$4.37M
EGM
82
Engineers Gate Manager
New York
$4.3M
Bank of Montreal
83
Bank of Montreal
Ontario, Canada
$4.27M
Envestnet Asset Management
84
Envestnet Asset Management
Illinois
$4.2M
Susquehanna International Group
85
Susquehanna International Group
Pennsylvania
$3.94M
Canada Pension Plan Investment Board
86
Canada Pension Plan Investment Board
Ontario, Canada
$3.69M
VGA
87
Vanguard Global Advisers
Pennsylvania
$3.67M
Holocene Advisors
88
Holocene Advisors
New York
$3.56M
VAM
89
Vanguard Asset Management
$3.55M
HP
90
Havemeyer Place
Connecticut
$3.45M
Grantham, Mayo, Van Otterloo & Co (GMO)
91
Grantham, Mayo, Van Otterloo & Co (GMO)
Massachusetts
$3.39M
VanEck Associates
92
VanEck Associates
New York
$3.37M
State of Wisconsin Investment Board
93
State of Wisconsin Investment Board
Wisconsin
$3.29M
GLA
94
Great Lakes Advisors
Illinois
$3.26M
Allspring Global Investments
95
Allspring Global Investments
North Carolina
$3.1M
XT
96
XTX Topco
Cayman Islands
$2.81M
Wells Fargo
97
Wells Fargo
California
$2.76M
YIH
98
Y-Intercept (HK)
Hong Kong
$2.71M
QOP
99
Quinn Opportunity Partners
Virginia
$2.66M
Canada Life
100
Canada Life
Manitoba, Canada
$2.56M