What percentage of CMP is owned by institutions?

Based on Q1 2026 13F filings, institutional ownership of Compass Minerals International, Inc. stands at 69.5%, held across 201 reporting institutions.

Who is the largest institutional holder of CMP?

Koch, Inc. is the largest reported institutional holder of CMP, with approximately 7,034,609 shares worth $0.16B as of Q1 2026.

Is CMP a hedge fund favorite?

No marquee "smart money" managers (Berkshire, Burry, ARK, Tiger Global, Pershing Square, Baupost, etc.) currently appear among the top 25 institutional holders of CMP.

What is CMP's Smart Money Score?

Our composite Smart Money Score for CMP is 49 out of 100 (Neutral). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.

How many institutions bought CMP this quarter?

37 institutions opened new positions in CMP during Q1 2026, while 28 fully exited. 126 added to existing positions and 31 trimmed.

How is institutional ownership of CMP changing?

CMP institutional ownership rose by 12.72 percentage points quarter-over-quarter, with a net change of +9 holders.

How concentrated is CMP ownership among the top holders?

The top 10 institutions account for 67.2% of all reported 13F value in CMP, and the top 25 account for 89.2%.

Where does this CMP institutional ownership data come from?

All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.

Compass Minerals International, Inc. (CMP) Institutional Ownership Q1 2026 | Top 13F Holders

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Institutional ownership increased this quarter (+12.72 pp), though top 10 holders maintain a highly concentrated 67.2% of institutional value.

Institutional Ownership69.5%$916M total value · ▲ +12.72 pp vs prior quarter

Smart Money Score

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Top Institutional Holders of CMP

Ranked by reported Q1 2026 13F market value

Top 10 Holders

67.2%

Top 25 Holders

89.2%

Share of total reported institutional value in CMP held by the largest 10 / 25 filers.

#	Institution	Shares Held	Market Value	QoQ Change	Ownership %	% of Fund
1	Koch, Inc.	7.0M	$164.3M	0.0%	16.804%	17.82%
2	SailingStone Capital Partners LLC	4.8M	$112.7M	-10.9%	11.527%	25.59%
3	BlackRock, Inc.	2.9M	$66.6M	-28.4%	6.814%	0.00%
4	STATE STREET CORP	2.3M	$54.2M	+13.3%	5.548%	0.00%
5	VANGUARD CAPITAL MANAGEMENT LLC	1.7M	$40.8M	—	4.177%	0.00%
6	Ewing Morris & Co. Investment Partners Ltd.	2.0M	$40.4M	+20.0%	4.812%	18.21%
7	AMERICAN CENTURY COMPANIES INC	1.7M	$39.2M	+20.4%	4.010%	0.02%
8	Engine Capital Management, LP	1.4M	$33.6M	+275.4%	3.438%	4.06%
9	Irenic Capital Management LP	1.4M	$33.5M	—	3.429%	3.33%
10	Gumshoe Capital Management LLC	1.3M	$29.5M	0.0%	3.022%	23.99%
11	BANK OF AMERICA CORP /DE/	1.3M	$29.3M	+692.8%	2.993%	0.00%
12	DIMENSIONAL FUND ADVISORS LP	914K	$21.3M	+18.2%	2.183%	0.00%
13	GEODE CAPITAL MANAGEMENT, LLC	785K	$18.3M	-2.5%	1.876%	0.00%
14	Newtyn Management, LLC	770K	$18.0M	-6.4%	1.839%	1.92%
15	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	704K	$16.4M	-12.0%	1.683%	0.00%
16	O'Keefe Stevens Advisory, Inc.	610K	$14.3M	+2.8%	1.458%	3.52%
17	LEE DANNER & BASS INC	606K	$14.1M	+94.9%	1.447%	0.89%
18	VANGUARD PORTFOLIO MANAGEMENT LLC	571K	$13.3M	—	1.365%	0.00%
19	FEDERATED HERMES, INC.	539K	$12.6M	+3.7%	1.287%	0.02%
20	AMERIPRISE FINANCIAL INC	360K	$8.4M	+2.5%	0.861%	0.00%
21	CastleKnight Management LP	352K	$8.2M	+260.5%	0.840%	0.71%
22	MORGAN STANLEY	350K	$8.2M	-16.4%	0.836%	0.00%
23	Nuveen, LLC	290K	$6.8M	+157.1%	0.692%	0.00%
24	NORTHERN TRUST CORP	289K	$6.8M	-3.5%	0.692%	0.00%
25	GOLDMAN SACHS GROUP INC	249K	$5.8M	-8.7%	0.596%	0.00%

denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in CMP — a direct measure of their conviction.

CMP Institutional Ownership by Quarter

8 quarters of 13F filings · Δ columns show change vs prior quarter

Quarter	Inst. Holders	Δ Holders	Ownership %	Δ Ownership	Total 13F Value	Δ Value
Q1 2026	201	+4.7%	69.52%	+12.72 pp	$916M	+22%
Q4 2025	192	1.5%	56.80%	+3.15 pp	$748M	+5.9%
Q3 2025	195	8.0%	53.65%	146.34 pp	$707M	81%
Q2 2025	212	+3.9%	199.99%	+173.75 pp	$3.79B	+997%
Q1 2025	204	3.8%	26.24%	1.70 pp	$346M	6.1%
Q4 2024	212	0.9%	27.94%	2.15 pp	$368M	7.1%
Q3 2024	214	+1.9%	30.09%	2.84 pp	$396M	8.6%
Q2 2024	210	—	32.93%	—	$434M	—

Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.

Compass Minerals International, Inc. (CMP) Institutional Ownership

Compass Minerals International, Inc. (CMP) Institutional Ownership

AI Insights & Key Takeaways

Top Institutional Holders of CMP

Quarterly Institutional Activity

CMP Institutional Ownership by Quarter

CMP — Frequently Asked Questions