Compass Minerals International CMP Institutional Ownership

NYSE CMP

$21.83 -0.43 (-1.93%)

As of: Oct 19, 2026 · 3:59 PM EDT

Institutions by Trading Activity

230 Institutions

Increased 130 56.5%

Unchanged 44 19.1%

Reduced 56 24.3%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

91.75%

▼-4.35 pp QoQ

Shares Held by Institutions

38.76Mn

of 42.25Mn outstanding

▼-4.33% QoQ

Shares Outstanding

42.25Mn

3.48Mn held outside 13F filers

Institutional Investors

230

filed 13F for Jun 2026

▲+26 vs prior quarter

Net Shares Added (QoQ)

-1.76Mn

distributed since last quarter

Value of Holdings

$875.26Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Updated Oct 11, 2026

Compass Minerals International Inc (NYSE:CMP) was reported as a holding by 230 institutional investors in 13F filings for the quarter ended June 30, 2026.

These investors held 91.75% of Compass Minerals International's outstanding shares at the end of Q2 2026, down from 96.11% in Q1 2026.
Total shares held in Compass Minerals International fell 4.33% versus Q1 2026, while the number of holders rose 10.58% versus Q2 2025.
Among the 230 holders of Compass Minerals International, 130 added to their positions, 56 reduced their stakes and 44 left their positions unchanged.
The aggregate institutional position in Compass Minerals International was 38.76Mn shares at the end of Q2 2026, down 1.76Mn from the prior quarter and up 2.42Mn from a year earlier.
Koch, Inc. was the top holder of Compass Minerals International as of June 30, 2026, with 7.03Mn shares, or 16.65% of shares outstanding.
The largest position increases in CMP for Q2 2026 were by American Century Companies Inc (+594.9K shares), AQR Capital Management LLC (+568.22K shares), Arrowstreet Capital, Limited Partnership (+408.78K shares), Nuveen, LLC (+230.91K shares) and BlackRock, Inc. (+225.71K shares).
The largest position reductions in CMP for Q2 2026 were by SailingStone Capital Partners LLC (-1.47Mn shares), Ewing Morris & Co. Investment Partners Ltd. (-1.44Mn shares), Bank of America Corp (-981.56K shares), Engine Capital Management, LP (-806.04K shares) and Gumshoe Capital Management LLC (-392.54K shares).
According to Business Quant data, the leading holders of CMP for Q2 2026 were Koch, Inc. (7.03Mn shares), SailingStone Capital Partners LLC (3.35Mn shares), BlackRock, Inc. (3.08Mn shares), State Street Corp (2.44Mn shares), American Century Companies Inc (2.27Mn shares), Vanguard Capital Management LLC (1.78Mn shares), Irenic Capital Management LP (1.07Mn shares), Dimensional Fund Advisors LP (951.15K shares), Jacobs Levy Equity Management, Inc (886.01K shares) and Gumshoe Capital Management LLC (872.35K shares).

Form 13F Holdings

231 Institutional Holders

Report period 30 Jun, 2026

Total shares held 38.76Mn

Of outstanding 91.75%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	Koch, Inc.	0002027344	7,034,609	16.65%	0	0.00%	$218.99Mn
2	SailingStone Capital Partners LLC	0001608904	3,351,366	7.93%	▼1,474,245	-30.55%	$104.33Mn
3	BlackRock, Inc.	0002012383	3,078,473	7.29%	▲225,710	+7.91%	$95.83Mn
4	State Street Corp	0000093751	2,441,899	5.78%	▲119,423	+5.14%	$76.02Mn
5	AMERICAN CENTURY COMPANIES INC	0000748054	2,273,578	5.38%	▲594,903	+35.44%	$70.78Mn
6	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	1,775,518	4.20%	▲26,963	+1.54%	$55.27Mn
7	Irenic Capital Management LP	0001929389	1,068,378	2.53%	▼367,151	-25.58%	$33.26Mn
8	DIMENSIONAL FUND ADVISORS LP	0000354204	951,151	2.25%	▲37,468	+4.10%	$29.61Mn
9	JACOBS LEVY EQUITY MANAGEMENT, INC	0000884414	886,009	2.10%	▲886,009	0.00%	$27.58Mn
10	Gumshoe Capital Management LLC	0001995382	872,348	2.06%	▼392,535	-31.03%	$27.16Mn
11	GEODE CAPITAL MANAGEMENT, LLC	0001214717	841,419	1.99%	▲56,275	+7.17%	$26.20Mn
12	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	698,271	1.65%	▲126,843	+22.20%	$21.74Mn
13	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0000884546	655,606	1.55%	▼48,832	-6.93%	$20.41Mn
14	AQR CAPITAL MANAGEMENT LLC	0001167557	637,339	1.51%	▲568,222	+822.12%	$19.84Mn
15	Engine Capital Management, LP	0001665590	633,021	1.50%	▼806,044	-56.01%	$19.71Mn
16	Newtyn Management, LLC	0001569241	632,326	1.50%	▼137,674	-17.88%	$19.68Mn
17	O'Keefe Stevens Advisory, Inc.	0001780565	631,272	1.49%	▲20,810	+3.41%	$19.65Mn
18	LEE DANNER & BASS INC	0000939219	580,750	1.37%	▼25,000	-4.13%	$18.08Mn
19	Federated Hermes, Inc.	0001056288	574,763	1.36%	▲36,134	+6.71%	$17.89Mn
20	Ewing Morris & Co. Investment Partners Ltd.	0001846838	570,800	1.35%	▼1,443,527	-71.66%	$14.79Mn

Showing 1 to 20 of 231 holders