Skip to main content
CMP logo

CMP · Compass Minerals International Inc

Track CMP — free
$26.00 +1.38 (+5.61%) At close · Aug 21
Market Cap
$1.09B
Shares
41.98M

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 233
Total Value: $1,212,736,831
Total Shares: 38,957,230

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 233 13F filers · Δ vs Mar 31, 2026
Top Holder
18.1%
Sep 2023 → Jun 2026 · range 13.5% – 18.9%
+0.8 pts
Top 5
46.7%
Sep 2023 → Jun 2026 · range 44.8% – 57.4%
−0.2 pts
Top 10
60.9%
Sep 2023 → Jun 2026 · range 57.6% – 72.9%
−4.6 pts
HHI
621
Sep 2023 → Jun 2026 · range 555 – 851
Broadly held−37

Quarterly Activity

vs Mar 31, 2026
New
59
Increased
72
Decreased
58
Sold Out
31
Unchanged
44
Holder count: +28
Institutional value: +27.8%
Shares held: -4.2%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 235
Export CSV
Holder Value (USD) % of 13F Shares Open
Key facts CIK 1227654 CUSIP 20451N101 13F (30d) 206 filings 206 filers Visit website Investor relations