Skip to main content

SEI INVESTMENTS CO

Position in MAT — Mattel Inc /De/

CIK 350894 OAKS, PA

Position in MAT

as of Mar 31, 2026 · filed May 13, 2026
Position Value
$31,376,154
+$10,709,243 QoQ
Shares Held
2,159,405
+107.3% QoQ
Ownership
0.743%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in MAT Over Time

Shares Held

Position Value (USD)

Position in Leisure

Consumer Cyclical · as of Mar 31, 2026

SEI INVESTMENTS CO holds $119,648,583 across 18 Leisure names. MAT ranks #2 (26.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 MAT
Mattel Inc /De/
This page
2,159,405 $31,376,154

All Filings in MAT

Export CSV
25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $31,376,154 2,159,405
2025-12-31 $20,666,911 1,041,679
2025-09-30 $1,134,123 67,387
2025-06-30 $901,913 45,736
2025-03-31 $964,116 49,620
2024-12-31 $796,679 44,934
2024-09-30 $3,707,834 194,637
2024-06-30 $3,165,317 194,669
2024-03-31 $3,819,189 192,791
2023-12-31 $3,686,395 195,254
2023-09-30 $4,367,491 198,252
2023-06-30 $4,210,928 215,503
2023-03-31 $4,129,491 224,307
2022-12-31 $3,025,039 169,565
2022-09-30 $7,102,594 375,005
2022-06-30 $18,284,605 818,836
2022-03-31 $17,321,177 779,882
2021-12-31 $9,439,721 437,835
2021-09-30 $8,835,987 476,077
2021-06-30 $11,703,686 582,273
2021-03-31 $4,663,909 234,132
2020-12-31 $4,085,602 234,132
2020-09-30 $2,737,215 233,950
2020-06-30 $2,670,428 276,156
2020-03-31 $2,332,728 264,782