Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in MTX held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 4.8M | $341.2M | +0.8% | 15.494% | 0.01% |
| 2 | FMR LLC | 4.3M | $302.4M | +56.6% | 13.735% | 0.02% |
| 3 | DIMENSIONAL FUND ADVISORS LP | 2.0M | $140.0M | -0.0% | 6.360% | 0.03% |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC | 1.9M | $134.8M | β | 6.124% | 0.01% |
| 5 | NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 1.5M | $103.2M | -7.0% | 4.686% | 0.18% |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 1.4M | $97.0M | β | 4.405% | 0.00% |
| 7 | STATE STREET CORP | 1.2M | $85.8M | -1.0% | 3.895% | 0.00% |
| 8 | AMERICAN CENTURY COMPANIES INC | 1.0M | $72.3M | -22.7% | 3.281% | 0.04% |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 957K | $67.9M | +6.6% | 3.084% | 0.00% |
| 10 | BRANDES INVESTMENT PARTNERS, LP | 841K | $59.6M | +2.6% | 2.709% | 0.42% |
| 11 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 561K | $39.8M | +40.7% | 1.807% | 0.05% |
| 12 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 547K | $38.8M | -8.4% | 1.763% | 0.01% |
| 13 | SNYDER CAPITAL MANAGEMENT L P | 501K | $35.6M | -7.1% | 1.615% | 0.69% |
| 14 | AMERIPRISE FINANCIAL INC | 469K | $33.3M | +3.4% | 1.512% | 0.01% |
| 15 | Nuveen, LLC | 406K | $28.8M | +1.2% | 1.306% | 0.01% |
| 16 | D. E. Shaw & Co., Inc. | 367K | $26.0M | -9.2% | 1.183% | 0.02% |
| 17 | Allspring Global Investments Holdings, LLC | 348K | $24.9M | -15.0% | 1.122% | 0.04% |
| 18 | GOLDMAN SACHS GROUP INC | 350K | $24.9M | +12.8% | 1.129% | 0.00% |
| 19 | NORTHERN TRUST CORP | 341K | $24.2M | +5.7% | 1.099% | 0.00% |
| 20 | BANK OF AMERICA CORP /DE/ | 335K | $23.8M | -0.3% | 1.081% | 0.00% |
| 21 | MORGAN STANLEY | 274K | $19.5M | -2.8% | 0.884% | 0.00% |
| 22 | Bank of New York Mellon Corp | 271K | $19.2M | -2.4% | 0.872% | 0.00% |
| 23 | GAMCO INVESTORS, INC. ET AL | 255K | $18.0M | -7.8% | 0.820% | 0.18% |
| 24 | AQR CAPITAL MANAGEMENT LLC | 217K | $15.4M | +32.6% | 0.699% | 0.01% |
| 25 | VANGUARD FIDUCIARY TRUST CO | 201K | $14.3M | β | 0.648% | 0.00% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in MTX β a direct measure of their conviction.
Filings activity in MTX during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new MTX position in Q1 2026
Institutions that fully closed their MTX position in Q1 2026
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 274 | +2.6% | 85.77% | +10.53 pp | $2.08B | +14% |
| Q4 2025 | 267 | +0.8% | 75.24% | 0.53 pp | $1.82B | 0.7% |
| Q3 2025 | 265 | +7.7% | 75.77% | +7.83 pp | $1.84B | +12% |
| Q2 2025 | 246 | 5.0% | 67.94% | 10.32 pp | $1.65B | 13% |
| Q1 2025 | 259 | 2.3% | 78.26% | 14.83 pp | $1.90B | 16% |
| Q4 2024 | 265 | 1.5% | 93.09% | 0.23 pp | $2.26B | 0.2% |
| Q3 2024 | 269 | 1.5% | 93.32% | 8.85 pp | $2.26B | 8.7% |
| Q2 2024 | 273 | β | 102.17% | β | $2.48B | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying MTX stock.
Based on Q1 2026 13F filings, institutional ownership of Minerals Technologies Inc. stands at 85.8%, held across 274 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of MTX, with approximately 4,810,743 shares worth $0.34B as of Q1 2026.
No marquee "smart money" managers (Berkshire, Burry, ARK, Tiger Global, Pershing Square, Baupost, etc.) currently appear among the top 25 institutional holders of MTX.
Our composite Smart Money Score for MTX is 48 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
46 institutions opened new positions in MTX during Q1 2026, while 39 fully exited. 191 added to existing positions and 36 trimmed.
MTX institutional ownership rose by 10.53 percentage points quarter-over-quarter, with a net change of +7 holders.
The top 10 institutions account for 67.5% of all reported 13F value in MTX, and the top 25 account for 86.1%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.