Mattel
404 hedge funds and large institutions have $4.24B invested in Mattel in 2026 Q2 according to their latest regulatory filings, with 47 funds opening new positions, 102 increasing their positions, 170 reducing their positions, and 69 closing their positions.
67% more funds holding in top 10
Funds holding in top 10: 3 → 5 (+2)
5.81% more ownership
Funds ownership: 99.13% → 104.93% (+5.8%)
3% less capital invested
Capital invested by funds: $4.36B → $4.24B (-$126M)
6% less funds holding
Funds holding: 430 → 404 (-26)
32% less first-time investments, than exits
New positions opened: 47 | Existing positions closed: 69
40% less repeat investments, than reductions
Existing positions increased: 102 | Existing positions reduced: 170
62% less call options, than puts
Call options by funds: $16.3M | Put options by funds: $42.8M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fuller & Thaler Asset Management
San Mateo,
California
|
+$53.1M |
| 2 |
Arrowstreet Capital
Boston,
Massachusetts
|
+$33.2M |
| 3 |
EIG
EdgePoint Investment Group
Toronto,
Ontario, Canada
|
+$27.9M |
| 4 |
AI
Ariel Investments
Chicago,
Illinois
|
+$27M |
| 5 |
Citadel Advisors
Miami,
Florida
|
+$25.6M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
T. Rowe Price Associates
Baltimore,
Maryland
|
-$52.1M |
| 2 |
Point72 Asset Management
Stamford,
Connecticut
|
-$27.6M |
| 3 |
D.E. Shaw & Co
New York
|
-$24.9M |
| 4 |
Marshall Wace
London,
United Kingdom
|
-$19.6M |
| 5 |
Millennium Management
New York
|
-$19.3M |
MAT Hedge Fund Activity: Q2 2026 in Review
404 of the 8,349 institutional investors tracked by Wall St. Rank reported a position in Mattel (MAT) for Q2 2026, worth a combined $4.24B — down 2.9% from $4.36B a quarter earlier.
Sellers outnumbered buyers: 69 funds closed out of MAT and 47 opened new positions — a net loss of 22 holders — while 170 trimmed existing stakes and 102 added.
The largest buyer was Fuller & Thaler Asset Management, adding an estimated $53.1M. The largest seller was T. Rowe Price Associates, cutting an estimated $52.1M.
- 404 institutional investors held Mattel (MAT) as of Q2 2026, down from 430 in Q1 2026.
- Funds reported $4.24B of Mattel stock for Q2 2026, down 2.9% quarter-over-quarter.
- 47 funds opened new Mattel positions in Q2 2026 and 69 closed out, a net change of -22 holders.
- The largest Mattel buyer in Q2 2026 was Fuller & Thaler Asset Management, an estimated $53.1M added.
- The largest Mattel seller in Q2 2026 was T. Rowe Price Associates, an estimated $52.1M sold.
Based on aggregated 13F filings for Q2 2026.