Compass Minerals International Inc

CMP

Exchange: NYSE
Industry: Mining & Quarrying of Nonmetallic Minerals (No Fuels)
SEC CIK: 0001227654

SEC filings (opens in a new tab)

No open-market purchases or sales by Compass Minerals International Inc insiders were filed in the last 90 days; 234 institutions reported holding it in 13F filings for Q2 2026, worth $1.21B in total; no superinvestor holds it.

Q4 2025 vs. Q3 2025

How the institutions holding Compass Minerals International Inc changed between Q3 2025 and Q4 2025.

All holders in Q4 2025 All holders in Q3 2025

13F holders of CMP: Q3 2025 compared with Q4 2025
Measure	Q3 2025	Of which not filed for Q4 2025	Q4 2025	Change
Holders	201	6	197	+2
Shares	37.4M	110.0K	37.2M	−119.1K (−0.3%)
Value	$713.7M	$2.12M	$728.5M	+$16.9M (+2.4%)

6 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (24)

Institutions that held Compass Minerals International Inc at the end of Q4 2025 but not at the end of Q3 2025.

Institutions new to CMP in Q4 2025
Institution	Shares	Value	% of portfolio
Gumshoe Capital Management LLC	1,264,883	$24.8M	23.47%
Engine Capital Management, LP	383,325	$7.53M	1.04%
Lighthouse Investment Partners, LLC	100,000	$1.96M	0.07%
Concentric Capital Strategies, LP	65,586	$1.29M	0.07%
Trexquant Investment LP	53,254	$1.05M	0.01%
Caxton Associates LLP	34,201	$671.7K	0.01%
XTX Topco Ltd	31,980	$628.1K	0.02%
Citadel Advisors LLC	29,058	$570.7K	0.00%
Counterpoint Mutual Funds LLC	25,762	$506.0K	0.04%
Mountain Lake Investment Management LLC	23,905	$469.5K	0.36%
Two Sigma Advisers, LP	21,500	$422.3K	0.00%
Balyasny Asset Management LLC	14,746	$289.6K	0.00%
Axq Capital, LP	14,003	$275.0K	0.06%
PharVision Advisers, LLC	13,003	$255.4K	0.13%
Bridgefront Capital, LLC	12,667	$248.8K	0.06%
Canada Pension Plan Investment Board	7,800	$153.2K	0.00%
Los Angeles Capital Management LLC	6,192	$106.4K	0.00%
MCF Advisors LLC	215	$4.22K	0.00%
Sankala Group LLC	134	$3.38K	0.00%
Garton & Associates Financial Advisors LLC	150	$2.95K	0.00%
Abound Financial, LLC	57	$1.12K	0.00%
Bessemer Group Inc	51	$1.00K	0.00%
CVA Family Office, LLC	15	$295	0.00%
Transamerica Financial Advisors, Inc.	4	$79	0.00%

Sold out (22)

Institutions that held Compass Minerals International Inc at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of CMP in Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
Group One Trading, L.P.	94,520	$1.81M
Gsa Capital Partners LLP	63,742	$1.22M
Numerai GP LLC	62,175	$1.19M
Engineers Gate Manager LP	60,710	$1.17M
Algert Global LLC	36,590	$702.5K
Hudson Bay Capital Management LP	31,898	$612.4K
PDT Partners, LLC	29,024	$557.3K
Graham Capital Management, L.P.	28,728	$551.6K
PEAK6 LLC	28,706	$551.2K
MML Investors Services, LLC	21,377	$410.4K
Mariner, LLC	15,280	$293.4K
Principal Securities, Inc.	11,299	$216.9K
Arizona State Retirement System	10,468	$201.0K
Commonwealth Equity Services, LLC	10,225	$196.0K
CarsonAllaria Wealth Management, Ltd.	10,007	$192.1K
Amica Mutual Insurance Co	9,325	$179.0K
Main Street Group, LTD	557	$10.7K
Advisory Services Network, LLC	301	$5.78K
Spire Wealth Management	132	$2.53K
Fortitude Family Office, LLC	26	$499
Caitlin John, LLC	3	$58
Clearstead Advisors, LLC	1	$20

Not filed for Q4 2025 yet (6)

Institutions that held Compass Minerals International Inc at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding CMP in Q3 2025 that haven't filed for Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
Cove Street Capital, LLC	71,417	$1.37M
Wolverine Trading, LLC	20,668	$399.5K
Cubist Systematic Strategies, LLC	16,498	$316.8K
Amica Retiree Medical Trust	1,017	$20.0K
Accredited Wealth Management, LLC	233	$4.12K
Point72 Europe (London) LLP	195	$3.75K