Security key
20451N101
COMPASS MINERALS INTERNATIONAL INC - COMMON STOCK (CMP)
CUSIP: 20451N101
Q4 2025 13F Holders as of 31 Dec 2025
- Security type / class
- Equity / COMMON STOCK
- Total 13F shares
- 37,172,895
- Total 13F value
- $728,465,956
- Share change
- -1,381,929
- Put/Call ratio
- 0%
- SEC-reported price per share
- $19.64
- Number of holders
- 193
- Value change
- -$27,971,604
- Number of buys
- 71
- Number of sells
- 93
- Shares outstanding
- 42,226,836
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2025
Institutions
193
Top holders
10
CMP full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q1 2026
Previous quarter: Q3 2025
COMPASS MINERALS INTERNATIONAL INC SEC filings
COMPASS MINERALS INTERNATIONAL INC company facts
Broader feeds
Reporting periods
Holder history for CUSIP 20451N101
Recent filing periods:
Ownership snapshot
Top reported holders of CMP - COMPASS MINERALS INTERNATIONAL INC - COMMON STOCK (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
M Partners Fund LP
Disclosed value leader
Koch, Inc.
Comparable rows
15/15
Latest evidence
11 Nov 2025
13D/G
13F
3/4/5
Lead comparable stake: 5.5%
13D/G row: M Partners Fund LP
Showing 1-6 of 15 holder rows.
Quick read
M Partners Fund LP leads the comparable SEC ownership view at 5.5%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens M Partners Fund LP's linked filing trail.
Comparable ownership
Top 5
M Partners Fund LP
5.5%
Gumshoe Capital Management LLC
3.2%
Koch, Inc.
17%
SailingStone Capital Partners LLC
12%
BlackRock, Inc.
9.9%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| M Partners Fund LP |
13D/G
|
5.5%
|
$39,430,941
2,289,834 shares
|
$0 | 11 Nov 2025 |
| Gumshoe Capital Management LLC |
13D/G
|
3.2%
|
$29,713,567
1,324,134 shares
|
-$17,184,619 | 30 Jun 2025 |
| Koch, Inc. |
13F
3/4/5
Company · Director, 10%+ Owner
|
17%
|
$135,064,493
7,034,609 shares
|
— | 30 Sep 2025 |
| SailingStone Capital Partners LLC |
13F
Company
|
12%
|
$98,018,112
5,105,110 shares
|
— | 30 Sep 2025 |
| BlackRock, Inc. |
13F
Company
|
9.9%
|
$79,955,175
4,164,332 shares
|
— | 30 Sep 2025 |
| VANGUARD GROUP INC |
13F
Company
|
6.6%
|
$53,282,227
2,775,116 shares
|
— | 30 Sep 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q4 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
193
Shares
37,172,895
Rows available
193
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
196
Q4 2025 holders
193
Holder diff
-3
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 value | Q4 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend