| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 8.2% | -16% | $68,799,029 | -$13,331,824 | 3,424,541 | -16% | BlackRock, Inc. | 30 Jun 2025 |
| VANGUARD GROUP INC | 6.6% | +24% | $53,282,227 | +$9,922,003 | 2,775,116 | +23% | The Vanguard Group | 30 Sep 2025 |
| STATE STREET CORP | 5.5% | $44,271,168 | 2,305,790 | STATE STREET CORPORATION | 30 Sep 2025 | |||
| 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 30 Sep 2025, 195 institutional investors reported holding 37,376,977 shares of COMPASS MINERALS INTERNATIONAL INC - Common Stock (CMP). This represents 90% of the company’s total 41,709,180 outstanding shares.
The largest institutional shareholders of COMPASS MINERALS INTERNATIONAL INC - Common Stock (CMP) together control 78% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Koch, Inc. | 17% | 7,034,609 | 0% | 18% | $135,064,493 |
| SailingStone Capital Partners LLC | 12% | 5,105,110 | -8.3% | 26% | $98,018,112 |
| BlackRock, Inc. | 10% | 4,164,332 | -1.2% | 0% | $79,955,175 |
| VANGUARD GROUP INC | 6.7% | 2,775,116 | +15% | 0% | $53,282,227 |
| STATE STREET CORP | 5.5% | 2,305,790 | +13% | 0% | $44,271,168 |
| Ewing Morris & Co. Investment Partners Ltd. | 4% | 1,669,500 | +30% | 12% | $29,036,285 |
| AMERICAN CENTURY COMPANIES INC | 3% | 1,236,884 | +35% | 0.01% | $23,748,173 |
| Newtyn Management, LLC | 2.1% | 863,375 | -32% | 2% | $16,576,800 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.9% | 806,792 | +0.22% | 0% | $15,492,629 |
| DIMENSIONAL FUND ADVISORS LP | 1.7% | 729,630 | +12% | 0% | $14,009,329 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 1.6% | 678,730 | +17% | 0% | $13,031,616 |
| O'Keefe Stevens Advisory, Inc. | 1.4% | 570,027 | +4.4% | 3% | $10,944,518 |
| MORGAN STANLEY | 1.3% | 534,434 | -12% | 0% | $10,261,142 |
| MILLENNIUM MANAGEMENT LLC | 1.3% | 522,108 | +379% | 0.01% | $10,024,474 |
| Lightrock Netherlands B.V. | 1.2% | 513,873 | -1.2% | 2.2% | $8,396,903 |
| NOMURA HOLDINGS INC | 0.92% | 382,093 | +49% | 0.04% | $7,336,186 |
| MARSHALL WACE, LLP | 0.89% | 371,666 | +121% | 0.01% | $7,135,989 |
| AMERIPRISE FINANCIAL INC | 0.83% | 348,220 | -4.6% | 0% | $6,685,830 |
| LEE DANNER & BASS INC | 0.82% | 340,000 | 0% | 0.47% | $6,528,000 |
| FEDERATED HERMES, INC. | 0.8% | 335,061 | +8417% | 0.01% | $6,433,171 |
| NORTHERN TRUST CORP | 0.75% | 314,054 | -0.46% | 0% | $6,029,837 |
| Pacer Advisors, Inc. | 0.7% | 290,210 | 0.01% | $5,572,032 | |
| GOLDMAN SACHS GROUP INC | 0.69% | 285,938 | +0.31% | 0% | $5,490,016 |
| THOMPSON SIEGEL & WALMSLEY LLC | 0.65% | 272,726 | +1.2% | 0.08% | $5,236,000 |
| UBS Group AG | 0.53% | 220,168 | +7.5% | 0% | $4,227,225 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 643,279 | $12,633,722 | +$913,109 | $19.64 | 8 |
| 2025 Q3 | 37,376,977 | $713,182,231 | +$2,861,472 | $19.20 | 195 |
| 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 |
| 2019 Q4 | 32,631,556 | $1,989,242,322 | +$58,079,506 | $60.96 | 289 |
| 2019 Q3 | 31,570,929 | $1,783,250,569 | +$10,321,151 | $56.49 | 296 |
| 2019 Q2 | 31,401,861 | $1,725,514,984 | +$52,842,766 | $54.95 | 300 |
| 2019 Q1 | 31,958,222 | $1,737,628,842 | +$6,130,276 | $54.37 | 296 |
| 2018 Q4 | 32,145,870 | $1,340,116,340 | -$81,456,971 | $41.69 | 275 |
| 2018 Q3 | 32,772,164 | $2,200,898,766 | +$11,791,680 | $67.20 | 301 |
| 2018 Q2 | 32,568,995 | $2,141,208,982 | -$116,889,074 | $65.75 | 315 |
| 2018 Q1 | 34,775,593 | $2,097,634,738 | -$90,364,162 | $60.30 | 319 |
| 2017 Q4 | 36,063,421 | $2,605,221,148 | -$113,370,377 | $72.25 | 348 |
| 2017 Q3 | 37,491,116 | $2,433,314,042 | -$14,551,624 | $64.90 | 297 |
| 2017 Q2 | 37,685,420 | $2,461,269,541 | +$177,928,486 | $65.30 | 294 |
| 2017 Q1 | 36,377,040 | $2,462,774,970 | +$93,118,407 | $67.85 | 299 |
| 2016 Q4 | 37,595,795 | $2,945,671,191 | +$66,722,717 | $78.35 | 293 |
| 2016 Q3 | 37,209,154 | $2,740,747,676 | +$147,066,033 | $73.70 | 258 |
| 2016 Q2 | 35,724,969 | $2,650,459,790 | +$56,802,681 | $74.19 | 288 |
| 2016 Q1 | 35,073,012 | $2,486,386,801 | +$161,036,012 | $70.86 | 264 |
| 2015 Q4 | 32,753,455 | $2,461,236,836 | +$59,534,946 | $75.27 | 266 |
| 2015 Q3 | 31,919,260 | $2,494,792,655 | +$72,880,469 | $78.37 | 271 |
| 2015 Q2 | 31,030,676 | $2,549,508,990 | -$14,315,792 | $82.14 | 287 |
| 2015 Q1 | 31,031,071 | $2,890,833,448 | +$32,796,313 | $93.21 | 285 |
| 2014 Q4 | 29,943,999 | $2,600,262,795 | -$29,509,309 | $86.83 | 283 |
| 2014 Q3 | 31,151,878 | $2,625,479,678 | -$22,066,519 | $84.28 | 271 |
| 2014 Q2 | 28,353,534 | $2,714,008,278 | -$234,372,656 | $95.74 | 278 |
| 2014 Q1 | 31,293,371 | $2,582,418,965 | -$76,223,971 | $82.52 | 251 |