Minerals Technologies Inc. (MTX) Ownership
MTX ownership summary
as of October 18, 2026- Institutions
- 104.0% of shares outstanding
- Insiders
- 1.25% of shares outstanding
- Shares outstanding
- 31.1M
- Float
- 30.7M shares available to trade
- Short interest
- 4.46% 846K shares short
- Days to cover
- 4.54 short interest up 5.2% vs prior month
- Institutions 104.01%
- Insiders 1.25%
MTX top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | BlackRock Inc | 15.71% | 4.9M | $308.0M | +79,363 (+1.6%) | June 30, 2026 |
| 2 | FMR Inc | 14.90% | 4.6M | $292.1M | +373,174 (+8.8%) | June 30, 2026 |
| 3 | Dimensional Fund Advisors, Inc. | 6.39% | 2.0M | $125.3M | +14,285 (+0.7%) | June 30, 2026 |
| 4 | Vanguard Portfolio Management, LLC | 6.20% | 1.9M | $121.6M | +28,728 (+1.5%) | June 30, 2026 |
| 5 | Delaware Management Holdings Inc | 5.47% | 1.7M | $107.3M | +249,154 (+17.1%) | June 30, 2026 |
| 6 | Vanguard Capital Management, LLC | 4.48% | 1.4M | $87.8M | +26,591 (+1.9%) | June 30, 2026 |
| 7 | State Street Corp | 4.07% | 1.3M | $79.7M | +56,218 (+4.6%) | June 30, 2026 |
| 8 | Geode Capital Management, LLC | 3.30% | 1.0M | $64.8M | +70,791 (+7.4%) | June 30, 2026 |
| 9 | Ameriprise Financial Inc | 2.10% | 653K | $41.1M | +183,429 (+39.1%) | June 30, 2026 |
| 10 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 1.95% | 608K | $38.3M | +46,932 (+8.4%) | June 30, 2026 |
| 11 | American Century Companies Inc | 1.77% | 550K | $34.7M | −468,428 (−46.0%) | June 30, 2026 |
| 12 | Snyder Capital Management LP | 1.57% | 489K | $30.8M | −12,849 (−2.6%) | June 30, 2026 |
| 13 | Charles Schwab Investment Management Inc | 1.53% | 477K | $30.1M | −69,817 (−12.8%) | June 30, 2026 |
| 14 | The Goldman Sachs Group Inc | 1.23% | 381K | $24.0M | +31,015 (+8.8%) | June 30, 2026 |
| 15 | Northern Trust Corp | 1.16% | 361K | $22.7M | +19,446 (+5.7%) | June 30, 2026 |
| 16 | First Trust Advisors L.P. | 1.06% | 331K | $20.9M | +306,594 (+1,235.2%) | June 30, 2026 |
| 17 | GW&K Investment Management, LLC | 1.02% | 317K | $20.0M | −4,379 (−1.4%) | June 30, 2026 |
| 18 | Bank of America Corp | 0.97% | 303K | $19.1M | −32,646 (−9.7%) | June 30, 2026 |
| 19 | Nuveen, LLC | 0.96% | 300K | $18.9M | −105,650 (−26.0%) | June 30, 2026 |
| 20 | D. E. Shaw & Co LP | 0.93% | 288K | $18.1M | −79,213 (−21.6%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 13 holders added 1.5M shares and 7 cut 773K.
MTX top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | iShares Core S&P Small-Cap ETF | 5.95% | 1.9M | $116.7M | +453 (+0.0%) | September 30, 2026 |
| 2 | Vanguard MStar Total Stk Mkt Idx Invest | 3.17% | 987K | $62.1M | −1,588 (−0.2%) | August 31, 2026 |
| 3 | Nomura Small Cap Core I | 2.88% | 898K | $56.6M | −108,470 (−10.8%) | August 31, 2026 |
| 4 | iShares Russell 2000 ETF | 2.59% | 807K | $50.9M | −9,280 (−1.1%) | September 30, 2026 |
| 5 | Strategic Advisers Fidelity US TtlStk | 2.26% | 704K | $44.4M | +4,900 (+0.7%) | August 31, 2026 |
| 6 | Vanguard Small Cap Index | 2.25% | 701K | $44.2M | −12,136 (−1.7%) | September 30, 2026 |
| 7 | Fidelity Stock Selector Small Cap | 2.13% | 662K | $41.7M | — | July 31, 2026 |
| 8 | Global X US Infrastructure Dev ETF | 1.93% | 600K | $37.8M | +4,320 (+0.7%) | September 30, 2026 |
| 9 | Fidelity Small Cap Discovery | 1.57% | 488K | $30.7M | +600 (+0.1%) | July 31, 2026 |
| 10 | Vanguard MStar Small Cap Value Index | 1.46% | 456K | $28.7M | +2,892 (+0.6%) | September 30, 2026 |
| 11 | DFA US Small Cap Value I | 1.46% | 454K | $28.6M | — | August 31, 2026 |
| 12 | Fidelity Series Small Cap Discovery | 1.39% | 433K | $27.3M | +300 (+0.1%) | July 31, 2026 |
| 13 | Fidelity Series Small Cap Opps | 1.26% | 393K | $24.8M | — | July 31, 2026 |
| 14 | Fidelity Small Cap Index | 1.10% | 343K | $21.6M | +2,820 (+0.8%) | July 31, 2026 |
| 15 | First Trust SMID Cp Rising Div Achv ETF | 1.01% | 315K | $19.8M | — | September 30, 2026 |
| 16 | iShares Russell 2000 Value ETF | 0.94% | 294K | $18.5M | +446 (+0.2%) | September 30, 2026 |
| 17 | State Street SPDR Port S&P 600 Sm CpETF | 0.91% | 282K | $17.8M | — | September 30, 2026 |
| 18 | iShares S&P Small-Cap 600 Value ETF | 0.85% | 263K | $16.6M | — | September 30, 2026 |
| 19 | Columbia Small Cap Value Discv A | 0.78% | 244K | $15.4M | +1,500 (+0.6%) | August 31, 2026 |
| 20 | DFA US Targeted Value I | 0.74% | 229K | $14.4M | — | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
MTX insider transactions
latest 7| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-01-05 | Gilbert Ray Cisneros, Jr. | Sell | $61.89 | — | — |
| 2025-12-29 | Dj Monagle III | Sell | $61.90 | 23,093 | $1.4M |
| 2025-11-21 | Brett Argirakis | Sell | $58.68 | 6,501 | $381,479 |
| 2025-06-16 | Rocky Motwani | Buy | $54.31 | 370 | $20,095 |
| 2025-05-06 | Gilbert Ray Cisneros, Jr. | Buy | $52.45 | — | — |
| 2025-05-02 | Kristina M Johnson | Buy | $53.79 | 1,000 | $53,790 |
| 2025-04-30 | Erik Aldag | Buy | $50.37 | 1,000 | $50,370 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
MTX shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns MTX
Institutional investors own 104.0% of Minerals Technologies's shares and insiders 1.25%. The largest holder is BlackRock Inc with 15.71% of the shares (4.9M), as of June 30, 2026. Among the top 20 institutions, 13 added shares and 7 reduced their stake in the latest filings. Short interest is 4.46% of the float, or 4.54 days of average trading volume. The share count fell 10.9% since 2014.
Related: MTX analyst forecast, MTX key metrics, MTX dividend history. See the MTX stock overview for the latest quote and news.
MTX ownership FAQ
Who owns the most Minerals Technologies stock?
The largest shareholders of Minerals Technologies are BlackRock Inc (15.71%), FMR Inc (14.90%), Dimensional Fund Advisors, Inc. (6.39%), Vanguard Portfolio Management, LLC (6.20%), Delaware Management Holdings Inc (5.47%).
What percentage of Minerals Technologies is owned by institutions?
Institutions hold 104.0% of Minerals Technologies's shares outstanding; insiders hold 1.25%.
Which funds own Minerals Technologies?
The largest fund holders of Minerals Technologies are iShares Core S&P Small-Cap ETF (5.95%), Vanguard MStar Total Stk Mkt Idx Invest (3.17%), Nomura Small Cap Core I (2.88%), iShares Russell 2000 ETF (2.59%), Strategic Advisers Fidelity US TtlStk (2.26%).
What is Minerals Technologies's short interest?
846K shares of Minerals Technologies were sold short, 4.46% of the float; at the average daily volume it would take 4.54 days to cover.
Are insiders buying or selling Minerals Technologies?
Of the latest 7 reported insider transactions in Minerals Technologies (since April 30, 2025), 4 were purchases and 3 were sales.
How many shares of Minerals Technologies are outstanding?
Minerals Technologies has 31.1M shares outstanding, of which 30.7M are in the public float.