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Disclosery

CMP COMPASS MINERALS INTL INC

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COM (common), issuer CIK 1227654

198 managers (201 13F filers) reported a position in CMP shares at 2025-09-30, 37,402,736 shares in all. 24 filers opened a position and 35 filers sold out during the quarter.

Managers
198
13F filers
201
New
24
Added
57
Reduced
73
Sold out
35
Shares held by filers
37,402,736

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q3 2025

Filers in the available 13F reports with a share position at 2025-09-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
Koch, Inc.7,034,609$135M17.85%013F-HRTimeline
SailingStone Capital Partners LLC5,105,110$98M25.67%-459,05713F-HRTimeline
BlackRock, Inc.in group BlackRock, Inc.4,164,332$80M<0.01%-50,80313F-HRTimelineGroup
VANGUARD GROUP INCin group VANGUARD GROUP INC2,775,116$53.3M<0.01%+354,96013F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP2,305,790$44.3M<0.01%+262,53913F-HRTimelineGroup
Ewing Morris & Co. Investment Partners …1,669,500$29M12.41%+388,85213F-HRTimeline
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC1,236,884$23.7M0.01%+320,79613F-HRTimelineGroup
Newtyn Management, LLC863,375$16.6M2.03%-413,80813F-HRTimeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC806,792$15.5M<0.01%+1,77113F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP729,630$14M<0.01%+75,88113F-HRTimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co678,730$13M<0.01%+98,43313F-HRTimelineGroup
O'Keefe Stevens Advisory, Inc.570,027$10.9M2.96%+24,19913F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY534,434$10.3M<0.01%-72,36613F-HR/ATimelineGroup
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC522,108$10M0.01%+413,20513F-HRTimelineGroup
Lightrock Netherlands B.V.513,873$8.4M2.2%-6,50013F-HRTimeline
NOMURA HOLDINGS INCin group NOMURA ASSET MANAGEMENT CO LTD382,093$7.34M0.03%+124,87413F-HRTimelineGroup
MARSHALL WACE, LLPin group MARSHALL WACE, LLP371,666$7.14M0.01%+203,37913F-HRTimelineGroup
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC348,220$6.69M<0.01%-16,95113F-HRTimelineGroup
LEE DANNER & BASS INC340,000$6.53M0.47%013F-HRTimeline
FEDERATED HERMES, INC.in group FEDERATED HERMES, INC.335,061$6.43M0.01%+331,12713F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP314,054$6.03M<0.01%-1,45613F-HRTimelineGroup
UBS Group AGgroup of 2 filers holding307,112$5.9M-42,148Timeline
Pacer Advisors, Inc.290,210$5.57M0.01%new13F-HRTimeline
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC285,938$5.49M<0.01%+88713F-HRTimelineGroup
THOMPSON SIEGEL & WALMSLEY LLC272,726$5.24M0.08%+3,21313F-HRTimeline
Man Group plcin group Man Group plc215,934$4.15M0.01%+44,32013F-HRTimelineGroup
SUSQUEHANNA INTERNATIONAL GROUP, LLPgroup of 3 filers holding186,723$3.59M-54,824Timeline
Invesco Ltd.in group Invesco Ltd.166,245$3.19M<0.01%-131,56113F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO163,987$3.15M<0.01%-27,63913F-HR/ATimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN148,481$2.85M<0.01%+55013F-HRTimelineGroup
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …142,563$2.74M<0.01%+127,20313F-HRTimelineGroup
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC124,624$2.39M<0.01%-3,12713F-HRTimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp124,592$2.39M<0.01%+9,35913F-HRTimelineGroup
Nuveen, LLCin group TIAA114,227$2.19M<0.01%-1,29013F-HRTimelineGroup
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA111,897$2.15M<0.01%-74,92313F-HRTimelineGroup
ASSETMARK, INCin group ASSETMARK, INC107,574$2.07M<0.01%+31,60013F-HRTimelineGroup
STATE OF WISCONSIN INVESTMENT BOARD105,513$2.03M<0.01%+11,53713F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/100,566$1.93M<0.01%-80,35013F-HR/ATimelineGroup
CastleKnight Management LP97,500$1.87M0.1%-45,79213F-HRTimeline
GROUP ONE TRADING LLC94,520$1.81M0.05%+18,31413F-HRTimeline
Koss-Olinger Consulting, LLC82,978$1.67M0.14%-12013F-HRTimeline
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…80,026$1.54M<0.01%+57,99713F-HRTimelineGroup
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.73,052$1.4M<0.01%-122,20813F-HRTimelineGroup
Cove Street Capital, LLC71,417$1.37M1.79%-11013F-HRTimeline
Swiss National Bank68,550$1.32M<0.01%+1,20013F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.64,885$1.24M<0.01%+18313F-HRTimelineGroup
GSA CAPITAL PARTNERS LLP63,742$1.22M0.1%+49,79313F-HRTimeline
Numerai GP LLC62,175$1.19M0.17%+54113F-HRTimeline
Engineers Gate Manager LP60,710$1.17M0.01%+5,98913F-HRTimeline
SIMPLEX TRADING, LLC59,597$1.14M0.03%-79913F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC56,578$1.09M<0.01%-32,20213F-HR/ATimelineGroup
KORNITZER CAPITAL MANAGEMENT INC /KS56,410$1.08M0.02%-5,28013F-HRTimeline
ENVESTNET ASSET MANAGEMENT INCin group ENVESTNET ASSET MANAGEMENT INC55,817$1.07M<0.01%-26813F-HRTimelineGroup
Janney Montgomery Scott LLC55,094$1.06M<0.01%+40,99413F-HRTimeline
Gotham Asset Management, LLC54,303$1.04M<0.01%+9,94413F-HRTimeline
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP54,076$1.04M<0.01%013F-HRTimelineGroup
Jefferies Financial Group Inc.in group Jefferies Financial Group Inc.52,711$1.01M0.01%new13F-HRTimelineGroup
RHUMBLINE ADVISERS52,671$1.01M<0.01%-76413F-HRTimeline
Jump Financial, LLCin group Jump Financial, LLC50,361$967K0.01%new13F-HR/ATimelineGroup
PRICE T ROWE ASSOCIATES INC /MD/46,364$891K<0.01%+1,29613F-HRTimeline
Squarepoint Ops LLCin group Squarepoint Ops LLC46,050$884K<0.01%-95,41613F-HRTimelineGroup
BANK OF MONTREAL /CAN/in group BANK OF MONTREAL /CAN/44,164$848K<0.01%-20,37613F-HRTimelineGroup
HUSSMAN STRATEGIC ADVISORS, INC.42,000$806K0.17%new13F-HRTimeline
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC41,923$805K<0.01%+31,43113F-HRTimelineGroup
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC40,305$774K<0.01%+27,00013F-HRTimelineGroup
ALLIANCEBERNSTEIN L.P.39,467$758K<0.01%013F-HRTimeline
Legal & General Group Plcin group Legal & General Group Plc37,734$724K<0.01%-1,89113F-HRTimelineGroup
PANAGORA ASSET MANAGEMENT INC36,825$707K<0.01%new13F-HRTimeline
ALGERT GLOBAL LLC36,590$703K0.01%+21,92013F-HR/ATimeline
Verition Fund Management LLC36,444$700K<0.01%-19,20113F-HRTimeline
MARTINGALE ASSET MANAGEMENT L P36,226$696K0.02%+13,84013F-HRTimeline
CALIFORNIA STATE TEACHERS RETIREMENT SY…32,422$623K<0.01%-34713F-HRTimeline
Hudson Bay Capital Management LPin group Hudson Bay Capital Management…31,898$612K<0.01%-13,56613F-HR/ATimelineGroup
ARISTEIA CAPITAL, L.L.C.30,068$577K0.02%-21713F-HRTimeline
FIRST MANHATTAN CO. LLC.29,500$566K<0.01%013F-HRTimeline
IRONWOOD INVESTMENT MANAGEMENT LLC29,257$562K0.24%-23813F-HRTimeline
Quantbot Technologies LP29,050$558K0.02%-27,14513F-HRTimeline
PDT Partners, LLC29,024$557K0.04%+17,39613F-HRTimeline
Graham Capital Management, L.P.28,728$552K0.02%-1,06213F-HRTimeline
PEAK6 LLCin group PEAK6 LLC28,706$551K0.01%-2,64213F-HR/ATimelineGroup
FRANKLIN RESOURCES INCin group Franklin Resources26,140$502K<0.01%new13F-HRTimelineGroup
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\25,551$491K<0.01%+3,45813F-HRTimelineGroup
Creative Planningin group Creative Planning24,866$477K<0.01%-53913F-HRTimelineGroup
Inspire Investing, LLCin group Inspire Investing, LLC23,712$455K0.04%+4,34813F-HRTimelineGroup
OP Asset Management Ltd22,612$434K0.01%new13F-HR/ATimeline
SG Americas Securities, LLC21,967$422K<0.01%new13F-HRTimeline
MML INVESTORS SERVICES, LLC21,377$410K<0.01%-1,39013F-HRTimeline
WOLVERINE TRADING, LLC20,668$400K0.01%new13F-HRTimeline
LPL Financial LLC20,651$396K<0.01%-3413F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…20,525$394K<0.01%013F-HRTimelineGroup
STRS OHIO19,500$374K<0.01%+4,60013F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS19,249$370K<0.01%-82113F-HRTimelineGroup
Ballentine Partners, LLC19,190$368K0.01%+31013F-HRTimeline
Krilogy Financial LLC20,316$347K0.01%+3,05113F-HRTimeline
Sterling Capital Management LLC17,613$338K<0.01%+17,32613F-HRTimeline
NORTHWESTERN MUTUAL WEALTH MANAGEMENT COin group NORTHWESTERN MUTUAL INVESTMEN…16,588$318K<0.01%-3,33813F-HRTimelineGroup
Cubist Systematic Strategies, LLC16,498$317K<0.01%-181,68913F-HRTimeline
RENAISSANCE TECHNOLOGIES LLC15,900$305K<0.01%new13F-HRTimeline
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…15,892$305K<0.01%-3,28513F-HRTimelineGroup
CoreCommodity Management, LLC15,773$303K0.05%-2,82213F-HRTimeline
INTECH INVESTMENT MANAGEMENT LLC15,557$299K<0.01%013F-HRTimeline
FMR LLCin group FMR LLC15,434$296K<0.01%+1513F-HRTimelineGroup
Mariner, LLCin group Mariner, LLC15,280$293K<0.01%-7,90913F-HRTimelineGroup
STIFEL FINANCIAL CORPin group STIFEL FINANCIAL CORP15,092$290K<0.01%-8,42313F-HRTimelineGroup
JANUS HENDERSON GROUP PLCin group Janus Henderson14,815$285K<0.01%013F-HRTimelineGroup
NEW YORK STATE COMMON RETIREMENT FUND12,489$240K<0.01%013F-HRTimeline
Quantinno Capital Management LP12,097$232K<0.01%new13F-HRTimeline
Camelot Portfolios, LLC11,802$227K0.13%-7,05813F-HRTimeline
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …11,684$224K<0.01%-1,09513F-HRTimelineGroup
PRINCIPAL SECURITIES, INC.in group PRINCIPAL FINANCIAL GROUP INC11,299$217K<0.01%+13713F-HRTimelineGroup
ARIZONA STATE RETIREMENT SYSTEM10,468$201K<0.01%+17213F-HRTimeline
Triune Financial Partners, LLC10,221$196K0.05%013F-HRTimeline
COMMONWEALTH EQUITY SERVICES, LLC10,225$196K<0.01%-1,79613F-HRTimeline
CarsonAllaria Wealth Management, Ltd.10,007$192K0.1%-30013F-HRTimeline
Zurcher Kantonalbank (Zurich Cantonalba…9,998$192K<0.01%013F-HRTimeline
Police & Firemen's Retirement System of…9,577$184K<0.01%+1,71413F-HRTimeline
AMICA MUTUAL INSURANCE CO9,325$179K0.02%-20,18813F-HRTimeline
State of Wyoming9,180$176K0.02%new13F-HRTimeline
Vestcor Inc8,211$158K<0.01%new13F-HRTimeline
Federation des caisses Desjardins du Qu…7,400$142K<0.01%013F-HRTimeline
KLP KAPITALFORVALTNING AS7,100$136K<0.01%013F-HRTimeline
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP6,915$134K<0.01%-1,82213F-HRTimelineGroup
AlphaQuest LLC4,980$95.6K0.01%-6,64013F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION…4,577$88K<0.01%013F-HRTimeline
CITIGROUP INCin group CITIGROUP INC4,453$85.5K<0.01%-29,22413F-HRTimelineGroup
NewEdge Advisors, LLC4,289$82.4K<0.01%013F-HRTimeline
CANADA LIFE ASSURANCE Coin group CANADA LIFE ASSURANCE Co3,189$62K<0.01%013F-HRTimelineGroup
QUADRANT CAPITAL GROUP LLC3,210$61.6K<0.01%new13F-HRTimeline
NEW YORK STATE TEACHERS RETIREMENT SYST…3,136$60K<0.01%new13F-HRTimeline
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…2,891$55.5K<0.01%-51513F-HRTimelineGroup
TSFG, LLC2,500$48K0.01%013F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…2,421$46.5K<0.01%-7,98113F-HRTimelineGroup
NISA INVESTMENT ADVISORS, LLC2,258$43.4K<0.01%013F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…1,957$37.6K<0.01%-2,01013F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\1,696$32.6K<0.01%-10213F-HRTimelineGroup
State of Alaska, Department of Revenue1,649$31K<0.01%new13F-HRTimeline
PARADIGM ASSET MANAGEMENT CO LLC1,456$28K0.01%013F-HRTimeline
Investors Research Corp1,214$23.3K<0.01%013F-HRTimeline
CWM, LLCin group CWM, LLC1,221$23K<0.01%-14213F-HRTimelineGroup
AMALGAMATED BANK1,174$23K<0.01%013F-HRTimeline
Amica Retiree Medical Trust1,017$20K0.03%-1,97613F-HRTimeline
COMERICA BANK1,038$19.9K<0.01%+17213F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…978$18.8K<0.01%-5913F-HRTimelineGroup
HARBOUR INVESTMENTS, INC.918$17.6K<0.01%+18813F-HRTimeline
Smartleaf Asset Management LLC891$17.2K<0.01%013F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…841$16.2K<0.01%-4413F-HRTimelineGroup
GAMMA Investing LLC724$13.9K<0.01%+9213F-HRTimeline
Bullock Wealth Management Group630$12.5K0.01%013F-HRTimeline
Main Street Group, LTD557$10.7K<0.01%-40013F-HRTimeline
SIGNATUREFD, LLC554$10.6K<0.01%013F-HRTimeline
Cape Investment Advisory, Inc.547$10.5K0.01%-8113F-HRTimeline
BNP PARIBAS ASSET MANAGEMENT Holding S.…in group BNP PARIBAS ASSET MANAGEMENT …545$10K<0.01%+6713F-HRTimelineGroup
Centerpoint Advisors, LLC500$10K<0.01%-15013F-HRTimeline
Arax Advisory Partners432$8.29K<0.01%+36113F-HRTimeline
Optiver Holding B.V.in group Optiver Holding B.V.316$6.07K<0.01%new13F-HRTimelineGroup
IFP Advisors, Inc315$6.05K<0.01%+31513F-HR/ATimeline
Versant Capital Management, Inc315$6.05K<0.01%013F-HRTimeline
Advisory Services Network, LLC301$5.78K<0.01%new13F-HRTimeline
Global Retirement Partners, LLC288$5.53K<0.01%013F-HRTimeline
Sound Income Strategies, LLC270$5.3K<0.01%-4613F-HRTimeline
Quarry LP229$4.4K<0.01%new13F-HRTimeline
Larson Financial Group LLC225$4.32K<0.01%+713F-HRTimeline
Accredited Wealth Management, LLC233$4.12K<0.01%-50713F-HRTimeline
MAI Capital Management200$3.84K<0.01%+13613F-HRTimeline
Point72 Europe (London) LLP195$3.75K<0.01%new13F-HRTimeline
LANARK FINANCIAL, INC.195$3.74K<0.01%013F-HRTimeline
Manchester Capital Management LLC193$3.71K<0.01%013F-HRTimeline
PRIVATE TRUST CO NA167$3.21K<0.01%013F-HRTimeline
Allworth Financial LP157$3.02K<0.01%+513F-HRTimeline
Pinnacle Bancorp, Inc.150$2.88K<0.01%-15013F-HRTimeline
McIlrath & Eck, LLC132$2.53K<0.01%013F-HRTimeline
Spire Wealth Managementin group Spire Wealth Management132$2.53K<0.01%-11013F-HRTimelineGroup
IFS Advisors, LLC120$2.3K<0.01%013F-HRTimeline
Covestor Ltd114$2K<0.01%+10713F-HRTimeline
ROTHSCHILD INVESTMENT LLC100$1.92K<0.01%-2513F-HRTimeline
GABLES CAPITAL MANAGEMENT INC.100$1.92K<0.01%013F-HRTimeline
Kentucky Trust Co100$1.92K<0.01%013F-HRTimeline
Marshall & Sterling Wealth Advisors Inc.100$1.92K<0.01%013F-HRTimeline
SJS Investment Consulting Inc.86$1.65K<0.01%013F-HRTimeline
SBI Securities Co., Ltd.74$1.42K<0.01%-3013F-HRTimeline
HUNTINGTON NATIONAL BANKin group HUNTINGTON NATIONAL BANK70$1.34K<0.01%013F-HRTimelineGroup
Avion Wealth63$1K<0.01%013F-HRTimeline
HANTZ FINANCIAL SERVICES, INC.32$1K<0.01%-8013F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Capital Advisors, Ltd. LLC32$1K<0.01%013F-HRTimeline
TRUST CO OF TOLEDO NA /OH/50$960<0.01%013F-HRTimeline
Hartford Financial Management Inc.50$960<0.01%013F-HRTimeline
Parkside Financial Bank & Trust50$960<0.01%013F-HRTimeline
Geneos Wealth Management Inc.32$614<0.01%-5713F-HRTimeline
FIFTH THIRD BANCORPin group FIFTH THIRD BANK, NATIONAL AS…27$518<0.01%-1613F-HRTimelineGroup
Fortitude Family Office, LLC26$499<0.01%013F-HRTimeline
Farther Finance Advisors, LLC20$384<0.01%+1013F-HRTimeline
City State Bank15$288<0.01%013F-HRTimeline
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…9$173<0.01%new13F-HRTimelineGroup
HOEY INVESTMENTS, INC5$96<0.01%new13F-HRTimeline
Caitlin John, LLC3$58<0.01%new13F-HRTimeline
Private Wealth Management Group, LLC3$58<0.01%013F-HRTimeline
Clearstead Advisors, LLC1$20<0.01%new13F-HRTimeline
CoreCap Advisors, LLC0$2<0.01%013F-HRTimelineAmount filed as zero, left out of ratios.