Compass Minerals International
CMP · NYSE
$22.00+$0.17 (+0.78%)TodayMarket closed ·
Prev close $21.83
Who owns CMP
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 58.5% of CMP’s shares.
- Koch Industries LLC16.8%
- SailingStone Capital Partners LLC8.0%
- BlackRock Institutional Trust Company, N.A.5.9%
- State Street Investment Management (US)5.8%
- Next 6 largest institutions22.0%
- All other shareholders41.5%
| Holder | Shares | % of shares |
|---|---|---|
| Koch Industries LLC | 7.03M | 16.77% |
| SailingStone Capital Partners LLC | 3.35M | 7.99% |
| BlackRock Institutional Trust Company, N.A. | 2.49M | 5.94% |
| State Street Investment Management (US) | 2.44M | 5.82% |
| M Partners Fund LP | 2.29M | 5.46% |
| American Century Investment Management, Inc. | 2.27M | 5.42% |
| Vanguard Capital Management, LLC | 1.78M | 4.23% |
| Irenic Capital Management LP | 1.07M | 2.55% |
| Dimensional Fund Advisors, L.P. | 951.15K | 2.27% |
| Jacobs Levy Equity Management, Inc. | 886.01K | 2.11% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Victory Global Energy Transition Fund | 2.64M | 6.30% |
| Avantis US Small Cap Value ETF | 2.18M | 5.19% |
| State Street SPDR S&P Metals & Mining ETF | 1.60M | 3.81% |
| Vanguard Total Stock Market Index Fund | 1.33M | 3.18% |
| iShares Russell 2000 ETF | 830.36K | 1.98% |
Insider trades
Form 4 filings by officers, directors and large holders
Insiders made no open-market buys or sales of CMP in the last 6 months.
| Insider | Type | Shares | Value |
|---|---|---|---|
| Safran David | Option exercise | 1.09K | — |
| Safran David | Option exercise | 3.02K | — |
| Safran David | Award | 108 | — |
| Safran David | Option exercise | 4.11K | — |
| Safran David | Award | 1.14K | — |
| Reece Joseph E | Award | 1.70K | — |
| DEALY RICHARD P | Award | 1.33K | — |
| Tills Amy | Option exercise | 7.30K | — |
| Tills Amy | Tax withholding | 2.14K | $53.12K |
| Tills Amy | Option exercise | 7.30K | — |
Short interest
Settled Sep 30, 2026
- Shares short
- 1.68M
- Days to cover
- 4.20
- % of shares outstanding
- 4.00%
- Average daily volume
- 399.29K
- Change since last report
- −18.9%
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