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Disclosery

CMP COMPASS MINERALS INTL INC

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COM (common), issuer CIK 1227654

199 managers (207 13F filers) reported a position in CMP shares at 2026-03-31, 40,550,187 shares in all. 32 filers opened a position and 25 filers sold out during the quarter.

Managers
199
13F filers
207
New
32
Added
60
Reduced
56
Sold out
25
Shares held by filers
40,550,187

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, Q1 2026

Filers in the available 13F reports with a share position at 2026-03-31, 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$164M17.82%013F-HRTimeline
SailingStone Capital Partners LLC4,825,611$113M25.59%-588,45613F-HRTimeline
BlackRock, Inc.in group BlackRock, Inc.2,852,763$66.6M<0.01%-1,130,26213F-HRTimelineGroup
VANGUARD GROUP INCgroup of 6 filers holding2,614,623$61.1MnewTimeline
STATE STREET CORPin group STATE STREET CORP2,322,476$54.2M<0.01%+273,19113F-HRTimelineGroup
Ewing Morris & Co. Investment Partners …2,014,327$40.4M18.21%+336,01113F-HRTimeline
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC1,678,675$39.2M0.02%+284,43313F-HRTimelineGroup
Engine Capital Management, LPin group Engine Capital Management, LP1,439,065$33.6M4.06%+1,055,74013F-HRTimelineGroup
Irenic Capital Management LP1,435,529$33.5M3.04%new13F-HRTimeline
Gumshoe Capital Management LLC1,264,883$29.5M23.99%013F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/1,253,045$29.3M<0.01%+1,094,98713F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP913,683$21.3M<0.01%+140,91813F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC785,144$18.3M<0.01%-19,72513F-HRTimelineGroup
Newtyn Management, LLC770,000$18M1.92%-52,81713F-HRTimeline
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co704,438$16.4M<0.01%-95,92613F-HRTimelineGroup
O'Keefe Stevens Advisory, Inc.610,462$14.3M3.52%+16,57513F-HRTimeline
LEE DANNER & BASS INC605,750$14.1M0.89%+295,00013F-HRTimeline
FEDERATED HERMES, INC.in group FEDERATED HERMES, INC.538,629$12.6M0.02%+19,03913F-HRTimelineGroup
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC360,464$8.42M<0.01%+8,81213F-HR/ATimelineGroup
CastleKnight Management LP351,526$8.21M0.38%+254,02613F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY349,837$8.17M<0.01%-68,71613F-HRTimelineGroup
Nuveen, LLCin group TIAA289,665$6.76M<0.01%+176,97613F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP289,482$6.76M<0.01%-10,33913F-HRTimelineGroup
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC270,955$6.33M0.01%new13F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC249,291$5.82M<0.01%-23,80113F-HRTimelineGroup
Sourcerock Group LLC235,198$5.49M0.23%new13F-HRTimeline
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO222,103$5.05M<0.01%+117,09713F-HR/ATimelineGroup
Invesco Ltd.in group Invesco Ltd.200,331$4.68M<0.01%+51,01813F-HRTimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC179,070$4.18M<0.01%+150,01213F-HRTimelineGroup
RENAISSANCE TECHNOLOGIES LLC172,911$4.04M0.01%+157,11113F-HRTimeline
UBS Group AGgroup of 2 filers holding167,887$3.92M+32,130Timeline
CITIGROUP INCin group CITIGROUP INC167,404$3.91M<0.01%+111,48313F-HRTimelineGroup
THOMPSON SIEGEL & WALMSLEY LLC143,364$3.35M0.06%-137,91613F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC141,698$3.31M<0.01%+122,86413F-HRTimelineGroup
Janney Montgomery Scott LLC134,814$3.15M0.01%+2,99213F-HRTimeline
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC126,255$2.95M<0.01%-41913F-HRTimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN123,710$2.89M<0.01%-46,16313F-HR/ATimelineGroup
HRT FINANCIAL LP112,357$2.62M0.01%new13F-HRTimeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPgroup of 3 filers holding104,991$2.45M-97,569Timeline
Man Group plcin group Man Group plc104,772$2.45M0.01%+33,49513F-HRTimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp104,208$2.43M<0.01%-18,52613F-HRTimelineGroup
MARSHALL WACE, LLPin group MARSHALL WACE, LLP80,248$1.87M<0.01%-136,92113F-HRTimelineGroup
Jackson Creek Investment Advisors LLC78,550$1.83M0.54%new13F-HRTimeline
Integrated Quantitative Investments LLC77,888$1.82M0.33%new13F-HRTimeline
Jump Financial, LLCin group Jump Financial, LLC71,008$1.66M0.02%-48,86313F-HRTimelineGroup
Swiss National Bank69,950$1.63M<0.01%013F-HRTimeline
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC69,117$1.61M<0.01%+5,28713F-HRTimelineGroup
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …65,730$1.53M<0.01%-30,29613F-HRTimelineGroup
Krilogy Financial LLC58,651$1.52M0.05%+38,33513F-HRTimeline
Lighthouse Investment Partners, LLCin group Lighthouse Investment Partner…60,000$1.4M0.05%-40,00013F-HRTimelineGroup
Squarepoint Ops LLCin group Squarepoint Ops LLC59,713$1.39M<0.01%+17,55813F-HRTimelineGroup
Mountain Lake Investment Management LLC55,636$1.3M0.84%+31,73113F-HRTimeline
Balyasny Asset Management L.P.in group Balyasny Asset Management53,484$1.25M<0.01%+38,73813F-HRTimelineGroup
BANK OF MONTREAL /CAN/in group BANK OF MONTREAL /CAN/52,865$1.23M<0.01%+2,12413F-HRTimelineGroup
ASSETMARK, INCin group ASSETMARK, INC49,514$1.16M<0.01%+4,75113F-HRTimelineGroup
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.49,026$1.14M<0.01%+1,50313F-HRTimelineGroup
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS48,613$1.14M<0.01%+29,58313F-HRTimelineGroup
MARTINGALE ASSET MANAGEMENT L P48,140$1.12M0.03%+11,30813F-HRTimeline
Gotham Asset Management, LLC45,988$1.07M<0.01%-18,85213F-HRTimeline
Koss-Olinger Consulting, LLC45,500$1.06M0.09%-7,63113F-HRTimeline
PRICE T ROWE ASSOCIATES INC /MD/45,331$1.06M<0.01%+3,97213F-HRTimeline
RHUMBLINE ADVISERS40,993$957K<0.01%-3,47213F-HRTimeline
KORNITZER CAPITAL MANAGEMENT INC /KS40,934$956K0.02%-8,71513F-HRTimeline
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC39,522$923K<0.01%+2,31013F-HRTimelineGroup
Creative Planningin group Creative Planning36,220$846K<0.01%+6,66913F-HRTimelineGroup
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP35,874$838K<0.01%+10013F-HRTimelineGroup
STATE OF WISCONSIN INVESTMENT BOARD33,377$779K<0.01%+2,17013F-HRTimeline
ALLIANCEBERNSTEIN L.P.39,467$775K<0.01%013F-HRTimeline
CALIFORNIA STATE TEACHERS RETIREMENT SY…31,973$747K<0.01%-42413F-HRTimeline
Legal & General Group Plcin group Legal & General Group Plc31,240$729K<0.01%-6,28413F-HRTimelineGroup
CoreCommodity Management, LLC30,997$724K0.13%+17,85213F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\30,039$701K<0.01%+3,34713F-HRTimelineGroup
FIRST MANHATTAN CO. LLC.29,500$689K<0.01%013F-HRTimeline
LPL Financial LLC29,135$680K<0.01%+11,38713F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA29,056$678K<0.01%-2,10113F-HRTimelineGroup
IRONWOOD INVESTMENT MANAGEMENT LLC28,884$674K0.28%-12613F-HRTimeline
Legato Capital Management LLC27,485$642K0.06%new13F-HRTimeline
FRANKLIN RESOURCES INCin group Franklin Resources25,938$606K<0.01%-5813F-HRTimelineGroup
XTX Topco Ltdin group XTX Topco Ltd23,896$558K0.01%-8,08413F-HRTimelineGroup
Inspire Investing, LLCin group Inspire Investing, LLC22,027$514K0.03%-1,84313F-HRTimelineGroup
CAXTON ASSOCIATES LLP21,968$513K0.01%-12,23313F-HRTimeline
Lightrock Netherlands B.V.15,833$485K0.1%-214,25613F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…19,363$452K<0.01%-24313F-HRTimelineGroup
Ballentine Partners, LLC18,804$439K0.01%-1213F-HRTimeline
Engineers Gate Manager LP16,579$387K<0.01%new13F-HRTimeline
ENVESTNET ASSET MANAGEMENT INCin group ENVESTNET ASSET MANAGEMENT INC16,183$378K<0.01%-2013F-HRTimelineGroup
Brooklyn Investment Group15,497$362K0.01%new13F-HRTimeline
FMR LLCin group FMR LLC15,369$359K<0.01%+23713F-HRTimelineGroup
VIRGINIA RETIREMENT SYSTEMS ET Al15,200$355K<0.01%new13F-HRTimeline
JANUS HENDERSON GROUP PLCin group Janus Henderson14,815$346K<0.01%013F-HR/ATimelineGroup
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…14,681$343K<0.01%-1,34913F-HRTimelineGroup
EntryPoint Capital, LLC14,021$327K0.1%new13F-HRTimeline
Virtu Financial LLCin group Virtu Financial LLC13,687$320K0.01%new13F-HRTimelineGroup
Quantinno Capital Management LP13,670$319K<0.01%+67413F-HRTimeline
SEI INVESTMENTS COin group SEI INVESTMENTS CO13,074$305K<0.01%new13F-HRTimelineGroup
BARCLAYS PLCin group BARCLAYS PLC13,045$305K<0.01%-49,77213F-HRTimelineGroup
NEW YORK STATE COMMON RETIREMENT FUND11,789$275K<0.01%+5,10013F-HRTimeline
Zurcher Kantonalbank (Zurich Cantonalba…11,570$270K<0.01%+1,57213F-HRTimeline
Sterling Capital Management LLC11,174$261K<0.01%-6,46213F-HRTimeline
SG Americas Securities, LLC11,126$260K<0.01%-34,10213F-HRTimeline
STATE BOARD OF ADMINISTRATION OF FLORID…9,782$228K<0.01%new13F-HRTimeline
ARIZONA STATE RETIREMENT SYSTEM9,756$228K<0.01%new13F-HRTimeline
STIFEL FINANCIAL CORPin group STIFEL FINANCIAL CORP9,676$226K<0.01%-2,20013F-HRTimelineGroup
Police & Firemen's Retirement System of…9,577$224K<0.01%013F-HRTimeline
CANADA LIFE ASSURANCE Coin group CANADA LIFE ASSURANCE Co9,393$220K<0.01%013F-HRTimelineGroup
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.9,165$214K<0.01%-1,14113F-HRTimelineGroup
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP9,276$214K<0.01%+4413F-HRTimelineGroup
GLOBEFLEX CAPITAL L P9,020$211K0.03%new13F-HRTimeline
INTECH INVESTMENT MANAGEMENT LLC8,889$208K<0.01%-6,66813F-HRTimeline
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …8,626$201K<0.01%-1,86013F-HRTimelineGroup
NORTHWESTERN MUTUAL WEALTH MANAGEMENT COin group NORTHWESTERN MUTUAL INVESTMEN…8,240$192K<0.01%-12,19113F-HRTimelineGroup
Vestcor Inc8,211$192K0.01%013F-HRTimeline
KLP KAPITALFORVALTNING AS7,700$180K<0.01%013F-HRTimeline
Federation des caisses Desjardins du Qu…7,400$173K<0.01%013F-HRTimeline
STRS OHIO5,400$126K<0.01%-17,60013F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…5,224$122K<0.01%+83013F-HRTimelineGroup
Freestone Grove Partners LP5,036$118K<0.01%new13F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION…4,577$107K<0.01%013F-HRTimeline
NewEdge Advisors, LLC3,415$79.7K<0.01%-32613F-HR/ATimeline
NEW YORK STATE TEACHERS RETIREMENT SYST…3,136$73K<0.01%013F-HRTimeline
QUADRANT CAPITAL GROUP LLC3,123$72.9K<0.01%-7113F-HR/ATimeline
MEEDER ASSET MANAGEMENT INCin group Meeder Advisory Services, Inc.3,001$70.1K<0.01%new13F-HRTimelineGroup
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…2,891$67.5K<0.01%013F-HRTimelineGroup
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…2,520$58.8K<0.01%-53,96613F-HRTimelineGroup
TSFG, LLC2,500$58K0.01%013F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…2,216$51.7K<0.01%+1,07613F-HRTimelineGroup
NISA INVESTMENT ADVISORS, LLC1,898$44.3K<0.01%013F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\1,730$40.4K<0.01%+3413F-HRTimelineGroup
FIFTH THIRD BANCORPin group FIFTH THIRD BANK, NATIONAL AS…1,719$40.1K<0.01%+1,69213F-HRTimelineGroup
State of Alaska, Department of Revenue1,649$38K<0.01%013F-HRTimeline
CWM, LLCin group CWM, LLC1,577$36.8K<0.01%+1813F-HRTimelineGroup
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…1,463$34.2K<0.01%-27113F-HRTimeline
PARADIGM ASSET MANAGEMENT CO LLC1,456$34K0.01%013F-HRTimeline
HARBOUR INVESTMENTS, INC.1,361$31.8K<0.01%+63113F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…1,231$28.7K<0.01%-6613F-HR/ATimelineGroup
Investors Research Corp1,214$28.3K0.01%013F-HRTimeline
BNP PARIBAS ASSET MANAGEMENT Holding S.…in group BNP PARIBAS ASSET MANAGEMENT …1,101$25.7K<0.01%+33213F-HRTimelineGroup
Smartleaf Asset Management LLC951$21.6K<0.01%+4913F-HRTimeline
GAMMA Investing LLC652$15.2K<0.01%+5013F-HRTimeline
Bullock Wealth Management Group630$14.7K0.01%013F-HRTimeline
Advisory Services Network, LLC560$13.1K<0.01%new13F-HRTimeline
SIGNATUREFD, LLC554$12.9K<0.01%-2913F-HRTimeline
Bollard Group LLC530$12K<0.01%new13F-HRTimeline
Centerpoint Advisors, LLC500$12K<0.01%013F-HRTimeline
Farther Finance Advisors, LLC389$9.1K<0.01%013F-HRTimeline
Crews Bank & Trust352$8.22K<0.01%new13F-HRTimeline
Allworth Financial LP348$8.13K<0.01%+3513F-HRTimeline
Covestor Ltd344$8K0.01%-7613F-HRTimeline
Versant Capital Management, Inc315$7.36K<0.01%013F-HRTimeline
MAI Capital Management298$6.96K<0.01%+1313F-HRTimeline
Sound Income Strategies, LLC258$6.04K<0.01%-113F-HRTimeline
LOS ANGELES CAPITAL MANAGEMENT LLC252$5.88K<0.01%-5,94013F-HRTimeline
SIMPLEX TRADING, LLC238$5.56K<0.01%+13413F-HRTimeline
MCF Advisors LLC215$5.01K<0.01%013F-HRTimeline
Banque Transatlantique SAin group Banque Transatlantique SA206$4.8K<0.01%new13F-HRTimelineGroup
Main Street Group, LTD205$4.79K<0.01%new13F-HRTimeline
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…203$4.74K<0.01%+19413F-HRTimelineGroup
LANARK FINANCIAL, INC.195$4.55K<0.01%013F-HRTimeline
Manchester Capital Management LLC193$4.51K<0.01%013F-HRTimeline
Quantbot Technologies LP178$4.16K<0.01%-45,84113F-HRTimeline
Geneos Wealth Management Inc.175$4.09K<0.01%013F-HRTimeline
MARSHALL INVESTMENT MANAGEMENT, LLC175$4.09K<0.01%new13F-HRTimeline
PRIVATE TRUST CO NA167$3.9K<0.01%013F-HRTimeline
Pinnacle Bancorp, Inc.150$3.5K<0.01%013F-HRTimeline
Sankala Group LLC134$3.17K<0.01%013F-HRTimeline
McIlrath & Eck, LLC132$3.08K<0.01%013F-HRTimeline
Optiver Holding B.V.in group Optiver Holding B.V.122$2.85K<0.01%+4813F-HR/ATimelineGroup
IFS Advisors, LLC120$2.8K<0.01%013F-HRTimeline
Valued Wealth Advisors LLC106$2.48K<0.01%new13F-HRTimeline
ROTHSCHILD INVESTMENT LLC100$2.33K<0.01%013F-HRTimeline
GABLES CAPITAL MANAGEMENT INC.100$2.33K<0.01%013F-HRTimeline
Kentucky Trust Co100$2.33K<0.01%013F-HRTimeline
Marshall & Sterling Wealth Advisors Inc.100$2.33K<0.01%013F-HRTimeline
SBI Securities Co., Ltd.73$1.71K<0.01%013F-HRTimeline
HUNTINGTON NATIONAL BANKin group HUNTINGTON NATIONAL BANK70$1.64K<0.01%013F-HRTimelineGroup
ABOUND FINANCIAL, LLC57$1.33K<0.01%013F-HRTimeline
TRUST CO OF TOLEDO NA /OH/50$1.17K<0.01%013F-HRTimeline
Hartford Financial Management Inc.50$1.17K<0.01%013F-HRTimeline
Parkside Financial Bank & Trust50$1.17K<0.01%013F-HRTimeline
WealthCollab, LLC46$1.07K<0.01%new13F-HRTimeline
SJS Investment Consulting Inc.45$1.05K<0.01%-4113F-HRTimeline
IFP Advisors, Inc43$1K<0.01%-25813F-HRTimeline
Avion Wealth63$1K<0.01%013F-HRTimeline
BESSEMER GROUP INCin group BESSEMER GROUP INC51$1K<0.01%013F-HRTimelineGroup
HANTZ FINANCIAL SERVICES, INC.32$1K<0.01%013F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Capital Advisors, Ltd. LLC32$1K<0.01%013F-HRTimeline
Quarry LP32$747<0.01%-84813F-HRTimeline
Caitong International Asset Management …31$724<0.01%new13F-HRTimeline
Parallel Advisors, LLC26$607<0.01%new13F-HR/ATimeline
Root Financial Partners, LLC24$560<0.01%new13F-HRTimeline
Investors Portfolio Services LLC13$388<0.01%new13F-HRTimeline
City State Bank15$350<0.01%013F-HRTimeline
TWIN PEAKS WEALTH ADVISORS, LLC12$280<0.01%new13F-HRTimeline
HOEY INVESTMENTS, INC5$117<0.01%013F-HRTimeline
Transamerica Financial Advisors, LLCin group Transamerica Financial Adviso…4$93<0.01%013F-HRTimelineGroup
Private Wealth Management Group, LLC3$71<0.01%013F-HRTimeline
Larson Financial Group LLC1$23<0.01%013F-HRTimeline
Keating Financial Advisory Services, In…1$23<0.01%new13F-HRTimeline
CoreCap Advisors, LLC0$3<0.01%013F-HRTimelineAmount filed as zero, left out of ratios.