MATTEL INC (MAT): Ownership & Insider Activity
Hedge funds and institutional managers reporting a position in MAT · Consumer Discretionary. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
32
13F filers
Aggregate Value
$1.9B
Across holders
Last Price
$14.82
2026-08-24
Sector
Consumer Discretionary
GICS
Quarterly fund activity14 increased16 reduced2 exited
Full exits: PineBridge Investments, L.P., Ancora Advisors, LLC
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| EdgePoint Investment Group Inc. CIK 0001481669 | Hedge Fund | 51.05M | $708.5M | 37.6% | 5.4% | Added | +$26.5M | Q2 2026 |
| PRIMECAP MANAGEMENT CO/CA/ CIK 0000763212 | Institutional Manager | 29.51M | $409.5M | 21.7% | 0.2% | Reduced | $-2.7M | Q2 2026 |
| ARIEL INVESTMENTS, LLC CIK 0000936753 | Institutional Manager | 15.42M | $214.0M | 11.4% | 2.1% | Added | +$213.1M | Q2 2026 |
| SOUTHEASTERN ASSET MANAGEMENT INC/TN/ CIK 0000807985 | Hedge Fund | 12.32M | $171.0M | 9.1% | 8.9% | Reduced | +$167.9M | Q2 2026 |
| AQR CAPITAL MANAGEMENT LLC CIK 0001167557 | Hedge Fund | 3.55M | $48.5M | 2.6% | 0.0% | Reduced | +$48.5M | Q2 2026 |
| Squarepoint Ops LLC CIK 0001642575 | Hedge Fund | 3.48M | $48.3M | 2.6% | 0.1% | Added | +$15.4M | Q2 2026 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP CIK 0001164508 | Hedge Fund | 2.92M | $40.5M | 2.1% | 0.0% | Added | +$31.5M | Q2 2026 |
| Gotham Asset Management, LLC CIK 0001510387 | Hedge Fund | 2.40M | $33.3M | 1.8% | 0.1% | Added | +$22.2M | Q2 2026 |
| MARSHALL WACE, LLP CIK 0001318757 | Hedge Fund | 2.38M | $33.1M | 1.8% | 0.0% | Reduced | $-91.8M | Q2 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 2.22M | $30.8M | 1.6% | 0.0% | Added | +$29.1M | Q2 2026 |
Added
Hedge Fund
$708.5M· 37.6% of total· 5.4% port· 51.05M sh· +$26.5M QoQ· Q2 2026
Reduced
Institutional Manager
$409.5M· 21.7% of total· 0.2% port· 29.51M sh· $-2.7M QoQ· Q2 2026
Added
Institutional Manager
$214.0M· 11.4% of total· 2.1% port· 15.42M sh· +$213.1M QoQ· Q2 2026
Reduced
Hedge Fund
$171.0M· 9.1% of total· 8.9% port· 12.32M sh· +$167.9M QoQ· Q2 2026
Reduced
Hedge Fund
$48.5M· 2.6% of total· 0.0% port· 3.55M sh· +$48.5M QoQ· Q2 2026
Added
Hedge Fund
$48.3M· 2.6% of total· 0.1% port· 3.48M sh· +$15.4M QoQ· Q2 2026
Added
Hedge Fund
$40.5M· 2.1% of total· 0.0% port· 2.92M sh· +$31.5M QoQ· Q2 2026
Added
Hedge Fund
$33.3M· 1.8% of total· 0.1% port· 2.40M sh· +$22.2M QoQ· Q2 2026
Reduced
Hedge Fund
$33.1M· 1.8% of total· 0.0% port· 2.38M sh· $-91.8M QoQ· Q2 2026
Added
Hedge Fund
$30.8M· 1.6% of total· 0.0% port· 2.22M sh· +$29.1M QoQ· Q2 2026
Reduced
Hedge Fund
$30.3M· 1.6% of total· 0.0% port· 2.18M sh· $-73.5M QoQ· Q2 2026
Reduced
Hedge Fund
$20.5M· 1.1% of total· 0.0% port· 1.48M sh· $-274K QoQ· Q2 2026
Added
Hedge Fund
$18.5M· 1.0% of total· 0.0% port· 1.33M sh· +$6.2M QoQ· Q2 2026
Unchanged
Hedge Fund
$18.0M· 1.0% of total· 0.2% port· 1.30M sh· +$0 QoQ· Q2 2026
Reduced
Hedge Fund
$11.4M· 0.6% of total· 0.0% port· 821K sh· $-4.7M QoQ· Q2 2026
Added
Hedge Fund
$7.7M· 0.4% of total· 0.0% port· 553K sh· +$4.3M QoQ· Q2 2026
Unchanged
Hedge Fund
$6.9M· 0.4% of total· 0.0% port· 497K sh· +$0 QoQ· Q2 2026
Added
Hedge Fund
$6.1M· 0.3% of total· 0.0% port· 442K sh· — QoQ· Q2 2026
Reduced
Hedge Fund
$4.7M· 0.3% of total· 0.0% port· 342K sh· $-3.9M QoQ· Q2 2026
Reduced
Hedge Fund
$4.6M· 0.2% of total· 0.0% port· 335K sh· $-26.2M QoQ· Q2 2026
Added
Institutional Manager
$3.8M· 0.2% of total· 0.0% port· 273K sh· +$553K QoQ· Q2 2026
Reduced
Hedge Fund
$3.5M· 0.2% of total· 0.0% port· 251K sh· $-4.2M QoQ· Q2 2026
Added
Hedge Fund
$3.1M· 0.2% of total· 0.0% port· 222K sh· +$2.5M QoQ· Q2 2026
Added
Hedge Fund
$2.8M· 0.1% of total· 0.1% port· 201K sh· — QoQ· Q2 2026
Reduced
Hedge Fund
$1.8M· 0.1% of total· 0.0% port· 126K sh· $-174K QoQ· Q2 2026
Added
Hedge Fund
$1.4M· 0.1% of total· 0.0% port· 101K sh· — QoQ· Q2 2026
Added
Hedge Fund
$992K· 0.1% of total· 0.0% port· 71K sh· — QoQ· Q2 2026
Reduced
Hedge Fund
$529K· 0.0% of total· 0.0% port· 38K sh· $-247K QoQ· Q2 2026
Reduced
Institutional Manager
$507K· 0.0% of total· 0.0% port· 37K sh· $-146K QoQ· Q2 2026
Reduced
Hedge Fund
$194K· 0.0% of total· 0.0% port· 14K sh· $-496K QoQ· Q2 2026
Reduced
Hedge Fund
$44K· 0.0% of total· 0.0% port· 3K sh· $-16K QoQ· Q2 2026
Reduced
Hedge Fund
$8K· 0.0% of total· 0.0% port· 607 sh· +$0 QoQ· Q2 2026
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