CMP
Compass Minerals (CMP)
NYSE
$21.34+$0.07 (+0.33%)
Price as of Oct 23, 2026 7:30 PM EDT
  • $881.6M
    Market Cap
  • 14.54%
    1-Year Change
  • Other Industrial Metals & Mining
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
KOCH INDUSTRIES INC
16.76%
7.0M
0 (0.00%)
Jun 30, 2024
KOCH, INC.
16.76%
7.0M
0 (0.00%)
Jun 30, 2026
BLACKROCK INC.
15.63%
6.6M
+537,565 (+8.19%)
Jun 30, 2024
BLACKROCK FUNDING, INC. /DE
12.47%
5.2M
+393,975 (+7.53%)
Dec 31, 2024
SAILINGSTONE CAPITAL PARTNERS LLC
7.98%
3.4M
-1.5M (-43.99%)
Jun 30, 2026
BLACKROCK, INC.
7.33%
3.1M
+225,710 (+7.33%)
Jun 30, 2026
VANGUARD GROUP INC
6.57%
2.8M
-17,383 (-0.63%)
Dec 31, 2025

Current Ownership Distribution

  • Institutions724.5M (64.85%)
  • Mutual Funds376.7M (33.72%)
  • Insiders16.0M (1.43%)
  • Other0 (0.00%)

Insider Transactions

  • 1.43% (16.0M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 0
    Number of InsiderSelling (last 12 months)
  • $0.00
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Risner Brandon
Chief Operating Officer
Exempt
Oct 15, 2026
$0.00
803
$0.00
0
Nichols Benjamin S.
Chief Commercial Officer
Exempt
Oct 15, 2026
$0.00
856
$0.00
0
Risner Brandon
Chief Operating Officer
Exempt
Oct 15, 2026
$0.00
4,442
$0.00
4,443
Nichols Benjamin S.
Chief Commercial Officer
Exempt
Oct 15, 2026
$0.00
6,090
$0.00
6,089
Risner Brandon
Chief Operating Officer
Exempt
Oct 15, 2026
$0.00
5,245
$0.00
5,245
Nichols Benjamin S.
Chief Commercial Officer
Exempt
Oct 15, 2026
$0.00
6,946
$0.00
22,934
Risner Brandon
Chief Operating Officer
In Kind
Oct 15, 2026
$33,094.35
1,465
$22.59
3,780
Nichols Benjamin S.
Chief Commercial Officer
In Kind
Oct 15, 2026
$44,660.43
1,977
$22.59
20,957
Ward Ashley
Chief Accounting Officer
Exempt
Oct 15, 2026
$0.00
2,598
$0.00
2,598
Ward Ashley
Chief Accounting Officer
Exempt
Oct 15, 2026
$0.00
2,598
$0.00
10,323
Ward Ashley
Chief Accounting Officer
In Kind
Oct 15, 2026
$16,716.60
740
$22.59
9,583
Safran David
Exempt
Oct 09, 2026
$0.00
3,020
$0.00
0
Safran David
Exempt
Oct 09, 2026
$0.00
1,094
$0.00
0
Safran David
Exempt
Oct 09, 2026
$0.00
4,114
$0.00
7,305
Safran David
Award
Oct 09, 2026
$0.00
108
$0.00
7,413
DEALY RICHARD P
Award
Sep 30, 2026
$0.00
1,333
$0.00
47,093
Safran David
Award
Sep 30, 2026
$0.00
1,135
$0.00
3,191
Reece Joseph E
Award
Sep 30, 2026
$0.00
1,702
$0.00
97,372
DEALY RICHARD P
Award
Jun 30, 2026
$0.00
944
$0.00
45,760
Reece Joseph E
Award
Jun 30, 2026
$0.00
1,205
$0.00
95,670
Safran David
Award
Jun 30, 2026
$0.00
804
$0.00
2,056
Nichols Benjamin S.
Chief Commercial Officer
Exempt
Jun 24, 2026
$0.00
2,542
$0.00
2,542
Nichols Benjamin S.
Chief Commercial Officer
Exempt
Jun 24, 2026
$0.00
2,542
$0.00
16,735
Nichols Benjamin S.
Chief Commercial Officer
In Kind
Jun 24, 2026
$21,409.02
747
$28.66
15,988
Reece Joseph E
Award
Mar 31, 2026
$0.00
1,816
$0.00
94,465
Roberts Mark Lawrence
Award
Mar 05, 2026
$0.00
5,032
$0.00
5,032
Joyce Gareth T
Exempt
Mar 05, 2026
$0.00
11,905
$0.00
0
Merle Denise M
Award
Mar 05, 2026
$0.00
5,032
$0.00
5,032
Ball Russell David
Award
Mar 05, 2026
$0.00
5,032
$0.00
5,032
Reece Joseph E
Exempt
Mar 05, 2026
$0.00
22,322
$0.00
0