Institutional shares held 30.9 Million
207K calls
800K puts
Total value of holdings $1.77B
$11.8M calls
$45.8M puts
Market Cap $1.86B
32,450,300 Shares Out.
Institutional ownership 95.2%
# of Institutions 301


Latest Institutional Activity in MTX

Top Purchases

Q3 2025
Brandes Investment Partners, LP Shares Held: 667K ($38.2M)
Q3 2025
Goldman Sachs Group Inc Shares Held: 213K ($12.2M)
Q3 2025
Aqr Capital Management LLC Shares Held: 204K ($11.7M)
Q3 2025
Trexquant Investment LP Shares Held: 84K ($4.81M)
Q3 2025
Kennedy Capital Management, Inc. Shares Held: 82.4K ($4.71M)

Top Sells

Q3 2025
Macquarie Group LTD Shares Held: 1.73M ($99M)
Q3 2025
Qube Research & Technologies LTD Shares Held: 171K ($9.77M)
Q3 2025
Millennium Management LLC Shares Held: 171K ($9.76M)
Q3 2025
Vanguard Group Inc Shares Held: 3.58M ($205M)
Q3 2025
Citadel Advisors LLC Shares Held: 74.1K ($4.24M)

About MTX

Minerals Technologies Inc. develops, produces, and markets various specialty mineral, mineral-based, and synthetic mineral products, and supporting systems and services. The company operates through three segments: Performance Materials, Specialty Minerals and Refractories. The Performance Materials segment supplies bentonite and bentonite-related products, as well as leonardite. This segment also offers metal casting products; household, personal care, and specialty products; and basic minerals, environmental products, and building materials. In addition, it provides products for non-residential construction, environmental, and infrastructure projects, as well as for construction and remediation project customers. The Specialty Minerals segment produces and sells precipitated calcium carbonate and quicklime; and provides natural mineral products comprising limestone and talc. This segment's products are used in paper and packaging, building materials, paint and coatings, glass, ceramic, polymer, food, automotive, and pharmaceutical industries. The Refractories segment offers monolithic and shaped refractory materials; specialty products, services, and application and measurement equipment; and calcium metal and metallurgical wire products that are used in the applications of steel, non-ferrous metal, and glass industries. The company markets its products primarily through its direct sales force, as well as regional distributors. It serves in the United States, Canada, Latin America, Europe, Africa, and Asia. Minerals Technologies Inc. was incorporated in 1968 and is headquartered in New York, New York.


Insider Transactions at MTX

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
86K Shares
From 12 Insiders
Open market or private purchase 4.37K shares
Exercise of conversion of derivative security 81.6K shares
Sell / Disposition
45.4K Shares
From 9 Insiders
Payment of exercise price or tax liability 38.9K shares
Open market or private sale 6.5K shares

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