Latest Period
Q1 2026
Security Snapshot
COMPASS MINERALS INTERNATIONAL INC - COMMON STOCK (CMP) Institutional Ownership
CUSIP: 20451N101
13F Institutional Holders and Ownership History from Q1 2014 to Q1 2026
Institutions Reporting
204
Shares (Excl. Options)
40,534,357
Price
$23.35
Save this security page for your next review
Keep this CUSIP in your watchlists so you can revisit quarter changes from one place. If you create an account from here, we will bring you back after verification.
- Security type / class
- Equity / COMMON STOCK
- Symbol
- CMP on NYSE
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 40,534,357
- Total 13F value
- $939,859,182
- Portfolio coverage rank
- 0.01%
- Share change
- +3,476,906
- Value change
- +$81,264,602
- Number of holders
- 204
- Shares outstanding
- 42,226,836
- SEC-reported price per share
- $26.46
- Insider filing price
- $26.46
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- CMP - COMPASS MINERALS INTERNATIONAL INC - COMMON STOCK is tracked under CUSIP 20451N101.
- 204 institutions reported positions in Q1 2026.
- 4 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 193 to 204 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $728,465,956 to $939,859,182.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 204 institutions filings for Q1 2026.
Security key
20451N101
Latest holder period
Q1 2026
13F holders
204
13D/G owners
4
CIK / CUSIP context first
Open Q1 2026 holders
CMP full holder history
COMPASS MINERALS INTERNATIONAL INC SEC filings
COMPASS MINERALS INTERNATIONAL INC company facts
COMPASS MINERALS INTERNATIONAL INC insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 20451N101:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
4
Security
CMP
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 6.1% | -26% | $59,161,821 | -$20,801,553 | 2,533,686 | -26% | BlackRock, Inc. | 31 Mar 2026 |
| STATE STREET CORP | 5.5% | +12% | $52,789,879 | +$6,209,631 | 2,322,476 | +13% | STATE STREET CORPORATION | 31 Mar 2026 |
| M Partners Fund LP | 5.5% | $39,430,941 | 2,289,834 | M Partners Fund LP | 11 Nov 2025 | |||
| Gumshoe Capital Management LLC | 3.2% | -36% | $29,713,567 | -$17,184,619 | 1,324,134 | -37% | Gumshoe Capital Management LLC | 30 Jun 2025 |
As of 31 Mar 2026, 204 institutional investors reported holding 40,534,357 shares of COMPASS MINERALS INTERNATIONAL INC - COMMON STOCK (CMP). This represents 96% of the company’s total 42,226,836 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
84%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Koch, Inc. | 17% | 7,034,609 | 0% | 18% | $164,258,120 |
| SailingStone Capital Partners LLC | 11% | 4,825,611 | -11% | 26% | $112,678,017 |
| BlackRock, Inc. | 6.8% | 2,852,763 | -28% | 0% | $66,612,025 |
| STATE STREET CORP | 5.5% | 2,322,476 | +13% | 0% | $54,229,815 |
| Ewing Morris & Co. Investment Partners Ltd. | 4.8% | 2,014,327 | +20% | 18% | $40,440,030 |
| VANGUARD CAPITAL MANAGEMENT LLC | 4.1% | 1,748,555 | 0% | 0% | $40,828,759 |
| AMERICAN CENTURY COMPANIES INC | 4% | 1,678,675 | +20% | 0.02% | $39,197,061 |
| Engine Capital Management, LP | 3.4% | 1,439,065 | +275% | 4.1% | $33,602,168 |
| Irenic Capital Management LP | 3.4% | 1,435,529 | 3% | $33,519,602 | |
| Gumshoe Capital Management LLC | 3% | 1,264,883 | 0% | 24% | $29,535,018 |
| BANK OF AMERICA CORP /DE/ | 3% | 1,253,045 | +693% | 0% | $29,258,601 |
| DIMENSIONAL FUND ADVISORS LP | 2.2% | 913,683 | +18% | 0% | $21,332,735 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.9% | 785,144 | -2.5% | 0% | $18,336,566 |
| Newtyn Management, LLC | 1.8% | 770,000 | -6.4% | 1.9% | $17,979,500 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.7% | 704,438 | -12% | 0% | $16,448,627 |
| O'Keefe Stevens Advisory, Inc. | 1.4% | 610,462 | +2.8% | 3.5% | $14,254,280 |
| LEE DANNER & BASS INC | 1.4% | 605,750 | +95% | 0.89% | $14,144,263 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1.4% | 571,428 | 0% | 0% | $13,342,844 |
| FEDERATED HERMES, INC. | 1.3% | 538,629 | +3.7% | 0.02% | $12,576,987 |
| AMERIPRISE FINANCIAL INC | 0.85% | 360,464 | +2.5% | 0% | $8,416,843 |
| CastleKnight Management LP | 0.83% | 351,526 | +261% | 0.38% | $8,208,132 |
| MORGAN STANLEY | 0.83% | 349,837 | -16% | 0% | $8,168,705 |
| Nuveen, LLC | 0.69% | 289,665 | +157% | 0% | $6,763,678 |
| NORTHERN TRUST CORP | 0.69% | 289,482 | -3.4% | 0% | $6,759,404 |
| JANE STREET GROUP, LLC | 0.64% | 270,955 | 0.01% | $6,326,799 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
49
Latest
Q1 2026
Rows shown
1-25 of 49
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 40,534,357 | $939,859,182 | +$81,264,602 | $23.35 | 204 |
| 2025 Q4 | 37,172,895 | $728,465,956 | -$27,971,604 | $19.64 | 193 |
| 2025 Q3 | 37,377,292 | $713,188,279 | +$2,867,021 | $19.20 | 196 |
| 2025 Q2 | 37,129,247 | $741,052,565 | -$4,826,438 | $20.09 | 207 |
| 2025 Q1 | 38,114,627 | $355,859,331 | -$7,640,192 | $9.29 | 201 |
| 2024 Q4 | 40,010,839 | $450,128,845 | -$31,744,820 | $11.25 | 216 |
| 2024 Q3 | 34,915,326 | $419,965,625 | -$59,091,480 | $12.02 | 218 |
| 2024 Q2 | 42,985,736 | $444,573,134 | +$4,989,148 | $10.33 | 210 |
| 2024 Q1 | 41,007,046 | $645,370,284 | -$41,534,695 | $15.74 | 215 |
| 2023 Q4 | 41,185,775 | $1,043,996,719 | +$52,880,646 | $25.32 | 233 |
| 2023 Q3 | 38,877,338 | $1,086,043,458 | +$11,937,822 | $27.95 | 243 |
| 2023 Q2 | 38,092,549 | $1,295,272,188 | +$2,322,691 | $34.00 | 248 |
| 2023 Q1 | 38,039,296 | $1,303,556,301 | +$1,458,544 | $34.29 | 258 |
| 2022 Q4 | 37,838,713 | $1,552,821,346 | +$267,246,688 | $41.00 | 268 |
| 2022 Q3 | 31,541,955 | $1,216,935,733 | -$17,940,343 | $38.53 | 261 |
| 2022 Q2 | 32,194,520 | $1,139,520,599 | -$85,095,144 | $35.39 | 262 |
| 2022 Q1 | 33,419,881 | $2,098,258,677 | +$113,865,365 | $62.79 | 286 |
| 2021 Q4 | 31,687,110 | $1,618,806,915 | +$24,499,156 | $51.08 | 285 |
| 2021 Q3 | 30,091,735 | $1,938,383,388 | +$26,428,741 | $64.40 | 285 |
| 2021 Q2 | 29,828,819 | $1,768,548,387 | -$22,839,144 | $59.26 | 280 |
| 2021 Q1 | 30,191,766 | $1,893,944,375 | -$22,529,326 | $62.72 | 276 |
| 2020 Q4 | 30,577,948 | $1,887,467,398 | -$30,329,526 | $61.72 | 281 |
| 2020 Q3 | 30,976,152 | $1,839,123,956 | -$43,892,660 | $59.35 | 272 |
| 2020 Q2 | 31,778,792 | $1,548,853,479 | +$2,528,673 | $48.75 | 273 |
| 2020 Q1 | 31,976,091 | $1,230,804,872 | -$39,468,611 | $38.47 | 263 |