Institutional shares held 41.4 Million
533K calls
209K puts
Total value of holdings $711M
$9.17M calls
$3.59M puts
Market Cap $707M
41,001,300 Shares Out.
Institutional ownership 100.9%
# of Institutions 237


Latest Institutional Activity in CMP

Top Purchases

Q3 2025
Federated Hermes, Inc. Shares Held: 335K ($5.78M)
Q3 2025
Pacer Advisors, Inc. Shares Held: 290K ($5.01M)
Q3 2025
Hussman Strategic Advisors, Inc. Shares Held: 42K ($725K)
Q3 2025
Janney Montgomery Scott LLC Shares Held: 55.1K ($950K)
Q3 2025
O'Keefe Stevens Advisory, Inc. Shares Held: 570K ($9.83M)

Top Sells

Q3 2025
Quest Partners LLC Shares Held: 4.98K ($85.9K)
Q3 2025
Lightrock Netherlands B.V. Shares Held: 514K ($8.86M)
Q3 2025
Kornitzer Capital Management Inc Shares Held: 56.4K ($973K)
Q3 2025
Commonwealth Equity Services, LLC Shares Held: 10.2K ($176K)
Q3 2025
First Horizon Corp Shares Held: 0 ($0)

About CMP

Compass Minerals International, Inc., produces and sells essential minerals primarily in the United States, Canada, Brazil, the United Kingdom, and internationally. It operates through three segments: Salt, Plant Nutrition North America, and Plant Nutrition South America. The Salt segment offers sodium chloride and magnesium chloride, including rock salt, mechanically and solar evaporated salt, and brine and flake magnesium chloride products; and purchases potassium chloride and calcium chloride to sell as finished products or to blend with salt to produce specialty products. This segment provides products for use as a deicer for roadways, consumer, and professional use; as an ingredient in chemical production; for water treatment, human, and animal nutrition; and for various other consumer and industrial uses, as well as records management services. The Plant Nutrition North America segment offers sulfate of potash specialty fertilizers in various grades, including agricultural products that are used in broadcast spreaders, direct application, and liquid fertilizer solutions; turf products used by the turf and ornamental markets, as well as for blends used on golf course greens; organic products under the Protassium+ brand; and micronutrient products under the Wolf Trax and other brands. This segment provides its products to distributors and retailers of crop inputs, as well as growers. The Plant Nutrition South America segment offers various specialty plant nutrients and supplements; water and wastewater treatment chemicals for cleaning, decontaminating, and purifying water; and process chemicals for industrial use. The company was formerly known as Salt Holdings Corporation and changed its name to Compass Minerals International, Inc. in December 2003. Compass Minerals International, Inc. was founded in 1993 and is headquartered in Overland Park, Kansas.


Insider Transactions at CMP

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
172K Shares
From 16 Insiders
Grant, award, or other acquisition 49.8K shares
Exercise of conversion of derivative security 117K shares
Open market or private purchase 5K shares
Sell / Disposition
26.9K Shares
From 5 Insiders
Payment of exercise price or tax liability 26.9K shares

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