Compass Minerals International

CMP • NYSE

Compass Minerals International is a industrial materials company in the basic materials sector on NYSE, with a market cap of $725.6M. As of Q3 2025, 89% of shares are held by 198 institutional investors, with Koch, Inc. as the largest holder at 16.87%.

Market Cap$725.6M

Industrial Materials

Basic Materials

Employees2.0K

Websitecompassminerals.com

Country

United States of America

Overview

Overview of institutional ownership in CMP as of Q3 2025 with a market cap of $800.4M

All Institutions

Institutions: 198
Value Held: $713.1M
Shares Held: 37.4M
Avg Position: $3.6M
Median Position: $311.0K

Hedge Funds

Hedge Funds: 27
Value Held: $146.3M
Shares Held: 7.6M
Avg Position: $5.4M
Median Position: $804.9K

Ownership Breakdown

Institutional (non-HF)

70.81%

$566.8M

Hedge Funds

18.28%

$146.3M

Retail & Other

10.91%

$87.3M

Based on market cap of $800.4M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in CMP as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
K Koch, Inc. Institution	-	$135.1M 17.85% of portfolio	16.87% 7.0M shares	Q4 2024 Held for 11 months	$756.8M
SailingStone Capital Partners LLC Hedge Fund•Sector	Walker Nelson Moody President	$98.0M 25.67% of portfolio	12.25% 5.1M shares	Q1 2024 Held for 1y 8m	$381.9M
B BlackRock, Inc. Institution	-	$80.0M 0.00% of portfolio	9.99% 4.2M shares	≤ Q2 2013 Held for 12y 5m+	$5.67T
VANGUARD GROUP INC Institution	Salim Ramji CEO	$53.3M 0.00% of portfolio	6.66% 2.8M shares	≤ Q2 2013 Held for 12y 5m+	$6.69T
STATE STREET CORP Institution	Ronald P. O'Hanley CEO	$44.3M 0.00% of portfolio	5.53% 2.3M shares	≤ Q2 2013 Held for 12y 5m+	$2.88T
E Ewing Morris & Co. Investment Partners Ltd. Institution	-	$29.0M 16.92% of portfolio	4.00% 1.7M shares	Q1 2025 Held for 8 months	$171.6M
A AMERICAN CENTURY COMPANIES INC Institution	-	$23.7M 0.01% of portfolio	2.97% 1.2M shares	Q4 2022 Held for 2y 11m	$195.93B
N Newtyn Management, LLC Hedge Fund•Event Driven	Noah Gabriel Levy Managing Partner	$16.6M 2.03% of portfolio	2.07% 863.4K shares	Q2 2025 Held for 5 months	$816.9M
GEODE CAPITAL MANAGEMENT LLC ETF Provider	David Kenneth Lane CEO	$15.5M 0.00% of portfolio	1.94% 806.8K shares	≤ Q2 2013 Held for 12y 5m+	$1.57T
DIMENSIONAL FUND ADVISORS LP Long Only Manager	David Paul Butler CEO	$14.0M 0.00% of portfolio	1.75% 729.6K shares	≤ Q2 2013 Held for 12y 5m+	$466.32B

Net Capital Flow

Institutional buying and selling activity for CMP in Q3 2025

Traded: +$7.5M
Buyers: 80
Sellers: 106
Total Bought: +$72.0M
Total Sold: −$64.5M
Avg Position: $3.1M

Biggest Buyers

Institution	Net Bought	Current Position
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	+$7.9M +413.2K shares	$10.0M 522.1K shares
VANGUARD GROUP INC Institution	+$6.8M +355.0K shares	$53.3M 2.8M shares
E Ewing Morris & Co. Investment Partners Ltd. Institution	+$6.8M +388.9K shares	$29.0M 1.7M shares
FEDERATED INVESTORS INC /PA/ Long Only Manager	+$6.4M +331.1K shares	$6.4M 335.1K shares
A AMERICAN CENTURY COMPANIES INC Institution	+$6.2M +320.8K shares	$23.7M 1.2M shares
P Pacer Advisors, Inc. Institution	+$5.6M +290.2K shares	$5.6M 290.2K shares
STATE STREET CORP Institution	+$5.0M +262.5K shares	$44.3M 2.3M shares
Marshall Wace LLP Institution	+$3.9M +203.4K shares	$7.1M 371.7K shares
ARROWSTREET CAPITAL LIMITED PARTNERSHIP Hedge Fund•Quant	+$2.4M +127.2K shares	$2.7M 142.6K shares
N NOMURA HOLDINGS INC Institution	+$2.4M +124.9K shares	$7.3M 382.1K shares

Biggest Sellers

Institution	Net Sold	Current Position
SailingStone Capital Partners LLC Hedge Fund•Sector	−$8.8M −459.1K shares	$98.0M 5.1M shares
N Newtyn Management, LLC Hedge Fund•Event Driven	−$7.9M −413.8K shares	$16.6M 863.4K shares
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	−$3.6M −179.4K shares	Sold Off 0 shares
Trexquant Investment LP Hedge Fund•Quant	−$3.5M −174.5K shares	Sold Off 0 shares
TUDOR INVESTMENT CORP ET AL Hedge Fund•Multi-Strategy	−$3.3M −163.9K shares	Sold Off 0 shares
I Invenomic Capital Management LP Hedge Fund•Long/Short	−$3.1M −153.6K shares	Sold Off 0 shares
Invesco Ltd. ETF Provider	−$2.5M −131.6K shares	$3.2M 166.2K shares
D D. E. Shaw & Co., Inc. Institution	−$2.3M −122.2K shares	$1.4M 73.1K shares
S Squarepoint Ops LLC Hedge Fund•Quant	−$1.8M −95.4K shares	$884.2K 46.1K shares
J JANE STREET GROUP, LLC Institution	−$1.6M −78.6K shares	Sold Off 0 shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited CMP in Q3 2025

New Positions: 3
New Value: $9.9K
Exited Positions: 34
Exited Value: $26.9M

New Positions

Institution	Position Value
O Optiver Holding B.V. Institution	$6.1K 316.0 shares
Point72 Europe LLP Digital Asset Manager	$3.7K 195.0 shares
HOEY INVESTMENTS, INC RIA/Wealth	$96.0 5.0 shares

Exited Positions

Institution	Previous Position
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$3.6M 179.4K shares
Trexquant Investment LP Hedge Fund•Quant	$3.5M 174.5K shares
TUDOR INVESTMENT CORP ET AL Hedge Fund•Multi-Strategy	$3.3M 163.9K shares
I Invenomic Capital Management LP Hedge Fund•Long/Short	$3.1M 153.6K shares
J JANE STREET GROUP, LLC Institution	$1.6M 78.6K shares
SummerHaven Investment Management, LLC Long Only Manager	$1.5M 75.2K shares
Y Y-Intercept Ltd Institution	$1.0M 51.8K shares
H HRT FINANCIAL LLC Institution	$1.0M 50.7K shares
BALYASNY ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy	$1.0M 50.2K shares
VOLORIDGE INVESTMENT MANAGEMENT, LLC Hedge Fund•Multi-Strategy	$939.4K 46.8K shares

Options Activity

Institutions with the largest Call and Put options positions in CMP as of Q3 2025

Call Positions: 5
Call Value: $7.5M
Put Positions: 5
Put Value: $1.6M

Call Positions

Institution	Position Value
BANK OF AMERICA CORP /DE/ Institution	$3.4M 1.8K contracts
J JANE STREET GROUP, LLC Institution	$2.0M 1.0K contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$1.0M 543.0 contracts
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$864.0K 450.0 contracts
W WOLVERINE TRADING, LLC Institution	$193.3K 100.0 contracts

Put Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$1.1M 581.0 contracts
P PEAK6 LLC Institution	$255.4K 133.0 contracts
J JANE STREET GROUP, LLC Institution	$247.7K 129.0 contracts
Private Capital Management, LLC RIA/Wealth	- - contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	- - contracts

Most Committed Institutions

Institutions with CMP as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
SailingStone Capital Partners LLC Hedge Fund•Sector	Walker Nelson Moody President	25.67% $98.0M	12.25% 5.1M shares	Q1 2024 Held for 1y 8m	$381.9M
K Koch, Inc. Institution	-	17.85% $135.1M	16.87% 7.0M shares	Q4 2024 Held for 11 months	$756.8M
E Ewing Morris & Co. Investment Partners Ltd. Institution	-	16.92% $29.0M	4.00% 1.7M shares	Q1 2025 Held for 8 months	$171.6M
O'Keefe Stevens Advisory, Inc. RIA/Wealth	Justin Dean Stevens President	2.96% $10.9M	1.37% 570.0K shares	Q1 2025 Held for 8 months	$369.3M
L Lightrock Netherlands B.V. Institution	-	2.20% $8.4M	1.23% 513.9K shares	Q4 2024 Held for 11 months	$382.4M
N Newtyn Management, LLC Hedge Fund•Event Driven	Noah Gabriel Levy Managing Partner	2.03% $16.6M	2.07% 863.4K shares	Q2 2025 Held for 5 months	$816.9M
Cove Street Capital, LLC Hedge Fund•Value	Matthew James Weber President	1.81% $1.4M	0.17% 71.4K shares	Q4 2016 Held for 8y 11m	$75.9M
LEE DANNER & BASS INC RIA/Wealth	Ernest Nmn Williams President	0.47% $6.5M	0.82% 340.0K shares	Q2 2024 Held for 1y 5m	$1.4B
I IRONWOOD INVESTMENT MANAGEMENT LLC Long Only Manager	Donald Collins Managing Partner	0.25% $561.7K	0.07% 29.3K shares	Q1 2024 Held for 1y 8m	$227.0M
H HUSSMAN STRATEGIC ADVISORS, INC. Institution	John Peter Hussman President	0.18% $806.4K	0.10% 42.0K shares	Q3 2025 Held for 2 months	$458.6M

Hedge Fund Spotlight

Discover hedge funds investing in CMP

PANAGORA ASSET MANAGEMENT INC

Hedge Fund • Quant

Portfolio ManagerBryan David Belton

Portfolio Value: $24.8B
Positions: 1,146
Last Reported: Q3 2025

Sector Allocation

Position in Compass Minerals International

Market Value: $707.0K
Shares Held: 36.8K
Portfolio Weight: 0.00%
Owned Since: 2025-Q3

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