362 tracked 13F filers disclose a position in MAT as of the latest SEC 13F filings, a combined $4.3B in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | EdgePoint Investment Group Inc. | $714.0M | 49.1M | ▲+3.8% Added · +1.8M sh | Q1 2026 | |
| 2 | PRIMECAP MANAGEMENT CO/CA/ | $431.5M | 29.7M | ▼−0.3% Reduced · −106K sh | Q1 2026 | |
| 3 | BlackRock, Inc. | $397.0M | 27.3M | ▲+1.8% Added · +477K sh | Q1 2026 | |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | $198.4M | 13.7M | →First observed position No prior filed position | Q1 2026 | |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | $198.0M | 13.6M | →First observed position No prior filed position | Q1 2026 | |
| 6 | ARIEL INVESTMENTS, LLC | $197.1M | 13.6M | ▲+8.3% Added · +1.0M sh | Q1 2026 | |
| 7 | SOUTHEASTERN ASSET MANAGEMENT INC/TN/ | $186.2M | 12.8M | ▲+49% Added · +4.2M sh | Q1 2026 | |
| 8 | DIMENSIONAL FUND ADVISORS LP | $160.6M | 11.1M | ▲+7.6% Added · +783K sh | Q1 2026 | |
| 9 | STATE STREET CORP | $132.9M | 9.6M | ▼−1.5% Reduced · −144K sh | Q2 2026 | |
| 10 | PRICE T ROWE ASSOCIATES INC /MD/ | $88.5M | 6.1M | ▼−6.7% Reduced · −436K sh | Q1 2026 | |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | $81.4M | 5.9M | ▼−5.0% Reduced · −310K sh | Q2 2026 | |
| 12 | FULLER & THALER ASSET MANAGEMENT, INC. | $73.2M | 5.3M | ▲+220% Added · +3.6M sh | Q2 2026 | |
| 13 | AQR CAPITAL MANAGEMENT LLC | $66.6M | 4.6M | ▲+13% Added · +518K sh | Q1 2026 | |
| 14 | Alyeska Investment Group, L.P. | $67.0M | 4.6M | ▲+34% Added · +1.2M sh | Q1 2026 | |
| 15 | D. E. Shaw & Co., Inc. | $56.4M | 3.9M | ▲+64% Added · +1.5M sh | Q1 2026 | |
| 16 | MARSHALL WACE, LLP | $54.1M | 3.7M | ▲274× Added · +3.7M sh | Q1 2026 | |
| 17 | MORGAN STANLEY | $51.5M | 3.5M | ▼−34% Reduced · −1.8M sh | Q1 2026 | |
| 18 | GOLDMAN SACHS GROUP INC | $51.5M | 3.5M | ▲+38% Added · +971K sh | Q1 2026 | |
| 19 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $49.0M | 3.4M | ▲+3.6% Added · +116K sh | Q1 2026 | |
| 20 | MILLENNIUM MANAGEMENT LLC | $40.7M | 2.8M | ▲+25% Added · +567K sh | Q1 2026 | |
| 21 | NORTHERN TRUST CORP | $40.6M | 2.8M | ▲+1.8% Added · +50K sh | Q1 2026 | |
| 22 | VICTORY CAPITAL MANAGEMENT INC | $37.6M | 2.6M | ▲+35% Added · +668K sh | Q1 2026 | |
| 23 | NORGES BANK | $49.2M | 2.5M | ▼−12% Reduced · −343K sh | Q4 2025 | |
| 24 | Squarepoint Ops LLC | $34.4M | 2.4M | ▼−35% Reduced · −1.3M sh | Q1 2026 | |
| 25 | UBS Group AG | $33.5M | 2.3M | ▲+35% Added · +592K sh | Q1 2026 |
Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
Last quarter, 6 funds opened a new position in MAT and 35 added to an existing one, while 17 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 200 funds | $225.7B |
| META PLATFORMS INC-CLASS AMETA | 199 funds | $91.3B |
| NVIDIA CORPNVDA | 196 funds | $328.6B |
| AMAZON.COM INCAMZN | 196 funds | $170.0B |
| ALPHABET INC-CL AGOOGL | 194 funds | $132.6B |
| APPLE INCAAPL | 192 funds | $246.7B |
| ELI LILLY & COLLY | 190 funds | $73.5B |
| CHEVRON CORPCVX | 190 funds | $23.6B |
| BANK OF AMERICA CORPBAC | 188 funds | $25.4B |
| COMCAST CORP-CLASS ACMCSA | 188 funds | $7.1B |
| JPMORGAN CHASE & COJPM | 187 funds | $48.3B |
| INTEL CORPINTC | 186 funds | $19.8B |
Ranked by how many of MAT's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Aug 31, 2026 | Isaias Zanatta Roberto Jacobo | EVP & Chief Supply Chain Offr | Sell (S) | 39K | $587K |
| Feb 12, 2026 | Kreiz Ynon | Chairman & CEO, Director | Buy (P) | 65K | $1.0M |
| May 13, 2024 | TOTZKE STEVE | President, Chief Comm Officer | Sell (S) | 45K | $855K |
| May 10, 2024 | TOTZKE STEVE | President, Chief Comm Officer | Sell (S) | 5K | $93K |
| May 9, 2024 | TOTZKE STEVE | President, Chief Comm Officer | Sell (S) | 24K | $447K |
| May 7, 2024 | Isaias Zanatta Roberto Jacobo | EVP & Chief Supply Chain Offr | Sell (S) | 22K | $408K |
| Aug 9, 2023 | BRADLEY RICHARD TODD | Director | Sell (S) | 13K | $269K |
| Aug 7, 2023 | Hugh Yoon J. | SVP & Corporate Controller | Sell (S) | 8K | $162K |
| Aug 4, 2023 | Isaias Zanatta Roberto Jacobo | EVP & Chief Supply Chain Offr | Sell (S) | 25K | $509K |
| Aug 3, 2023 | Hugh Yoon J. | SVP & Corporate Controller | Sell (S) | 10K | $208K |
| Aug 1, 2023 | Hugh Yoon J. | SVP & Corporate Controller | Sell (S) | 16K | $341K |
| Jul 31, 2023 | TOTZKE STEVE | President, Chief Comm Officer | Sell (S) | 47K | $999K |
No filings captured for this ticker in the live stream yet.
Connected entities for MAT
This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/MAT/capital-change-brief"
Use Arkolith's capital_change_brief for MAT. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for MAT. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.