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MKSI MKS INC.

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Stock (common), issuer CIK 1049502

392 managers (399 13F filers) reported a position in MKSI shares at 2025-03-31, 71,560,774 shares in all. 54 filers opened a position and 77 filers sold out during the quarter.

Managers
392
13F filers
399
New
54
Added
170
Reduced
121
Sold out
77
Shares held by filers
71,560,774

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 2025

Filers in the available 13F reports with a share position at 2025-03-31, 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
VANGUARD GROUP INCgroup of 2 filers holding7,456,419$598M+5,020Timeline
BlackRock, Inc.in group BlackRock, Inc.7,066,707$566M0.01%-53,17613F-HRTimelineGroup
FMR LLCin group FMR LLC4,044,555$324M0.02%-176,71513F-HRTimelineGroup
PRICE T ROWE ASSOCIATES INC /MD/3,515,373$282M0.03%+173,94513F-HRTimeline
VICTORY CAPITAL MANAGEMENT INC3,388,639$272M0.28%+300,35613F-HRTimeline
WELLINGTON MANAGEMENT GROUP LLPin group WELLINGTON MANAGEMENT GROUP L…3,250,085$260M0.05%+958,60713F-HRTimelineGroup
Capital International Investorsin group Capital International Investo…3,098,999$248M0.05%+1,32313F-HRTimelineGroup
NORDEA INVESTMENT MANAGEMENT ABin group NORDEA INVESTMENT MANAGEMENT …2,273,283$179M0.19%-251,75413F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP2,082,712$167M0.01%+13,13213F-HRTimelineGroup
Invesco Ltd.in group Invesco Ltd.2,049,563$164M0.03%-181,90413F-HRTimelineGroup
NEUBERGER BERMAN GROUP LLCin group NEUBERGER BERMAN GROUP LLC1,943,939$156M0.13%+159,80513F-HRTimelineGroup
Madison Asset Management, LLCin group Madison Asset Management, LLC1,428,143$114M1.28%+494,20713F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC1,223,043$98.1M0.01%+48,82213F-HRTimelineGroup
UBS Group AGgroup of 2 filers holding1,075,274$86.2M+144,061Timeline
COOKE & BIELER LP1,038,945$83.3M0.83%+161,90513F-HRTimeline
NORGES BANK904,502$72.5M0.01%+85,92613F-HR/ATimeline
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP878,681$70.4M0.02%+252,53813F-HRTimelineGroup
PRINCIPAL FINANCIAL GROUP INCgroup of 2 filers holding835,371$67M-1,194Timeline
ROYCE & ASSOCIATES LP793,244$63.6M0.69%+53,80013F-HRTimeline
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co718,239$57.6M0.01%+51,83613F-HR/ATimelineGroup
BARCLAYS PLCin group BARCLAYS PLC710,912$57M0.03%-142,13813F-HR/ATimelineGroup
Kodai Capital Management LP708,021$56.7M2.25%+410,86513F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/681,420$54.6M<0.01%-25,64013F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY642,790$51.5M<0.01%+18,80113F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP634,204$50.8M0.01%+25,82213F-HRTimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp603,708$48.4M0.01%-7,98213F-HRTimelineGroup
SHAPIRO CAPITAL MANAGEMENT LLC553,365$44.4M1.83%+91,37013F-HRTimeline
Channing Capital Management, LLC552,960$44.3M1.34%new13F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC545,109$43.7M0.04%+310,31413F-HRTimelineGroup
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …543,421$43.6M0.04%+51,92413F-HRTimelineGroup
Rafferty Asset Management, LLC537,469$43.1M0.18%-39,09713F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA524,837$42.1M0.01%+115,49613F-HR/ATimelineGroup
Balyasny Asset Management L.P.in group Balyasny Asset Management494,583$39.6M0.1%+394,77513F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO454,058$36.4M<0.01%+1,85113F-HRTimelineGroup
NOMURA ASSET MANAGEMENT CO LTDgroup of 2 filers holding400,634$32.1M-19,113Timeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN399,082$32M0.01%+24,30013F-HRTimelineGroup
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.392,381$31.4M0.04%+24,94413F-HRTimelineGroup
Capital Research Global Investorsin group Capital Research Global Inves…387,153$31M0.01%013F-HRTimelineGroup
CITIGROUP INCin group CITIGROUP INC385,478$30.9M0.02%-97,64313F-HRTimelineGroup
Polaris Capital Management, LLC373,600$29.9M1.71%+21,20013F-HRTimeline
FRONTIER CAPITAL MANAGEMENT CO LLC370,286$29.7M0.32%+6,85813F-HRTimeline
Point72 Asset Management, L.P.in group Point72 Asset Management, L.P.359,886$28.8M0.08%+38,34413F-HR/ATimelineGroup
Blue Grotto Capital, LLC355,221$28.5M5.44%+269,22713F-HRTimeline
VALUE HOLDINGS MANAGEMENT CO. LLC297,714$23.9M4.47%013F-HRTimeline
MIZUHO MARKETS AMERICAS LLCin group MIZUHO FINANCIAL GROUP INC283,706$22.7M0.49%-1,08013F-HRTimelineGroup
LOOMIS SAYLES & CO L Pin group LOOMIS SAYLES & CO L P282,592$22.6M0.03%-4,98213F-HRTimelineGroup
Natixis Investment Managersgroup of 2 filers holding264,124$21.2M-36,323Timeline
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC262,567$21M0.01%-8,65113F-HRTimelineGroup
Harvey Partners, LLC261,000$20.9M2.48%+71,50013F-HRTimeline
SILVERCREST ASSET MANAGEMENT GROUP LLC259,325$20.8M0.15%-50613F-HRTimeline
California Public Employees Retirement …258,989$20.8M0.01%+153,66113F-HRTimeline
Artemis Investment Management LLP251,799$20.2M0.31%+5,42213F-HRTimeline
BANK OF MONTREAL /CAN/in group BANK OF MONTREAL /CAN/233,670$18.7M0.01%+53,87013F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC232,994$18.7M<0.01%-749,69413F-HR/ATimelineGroup
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…224,924$18M0.04%+20,65613F-HR/ATimelineGroup
SYSTEMATIC FINANCIAL MANAGEMENT LP222,235$17.8M0.51%+2,55713F-HRTimeline
Aperture Investors, LLC205,209$16.4M2.5%-25,77213F-HRTimeline
KENNEDY CAPITAL MANAGEMENT LLC188,775$15.1M0.36%+114,20613F-HRTimeline
RHUMBLINE ADVISERS187,807$15.1M0.01%+1,47813F-HR/ATimeline
NEW YORK STATE COMMON RETIREMENT FUND166,430$13.3M0.02%+108,72413F-HR/ATimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS164,565$13.2M0.01%+71,63313F-HRTimelineGroup
Retirement Systems of Alabama158,011$12.7M0.05%+8113F-HRTimeline
Polar Capital Holdings Plcin group Polar Capital Holdings Plc156,477$12.5M0.08%013F-HRTimelineGroup
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC155,115$12.4M<0.01%-35,01313F-HRTimelineGroup
SEI INVESTMENTS COin group SEI INVESTMENTS CO145,103$11.6M0.01%-5,92213F-HR/ATimelineGroup
Penserra Capital Management LLCin group Penserra Capital Management L…143,993$11.5M0.21%+41,88513F-HRTimelineGroup
Nuveen, LLCin group TIAA137,121$11M<0.01%13F-HRTimelineGroup
BESSEMER GROUP INCin group BESSEMER GROUP INC134,073$10.7M0.02%-12,66313F-HRTimelineGroup
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\132,629$10.6M<0.01%+1,62313F-HRTimelineGroup
SummitTX Capital, L.P.132,293$10.6M0.47%13F-HRTimeline
Swiss National Bank130,400$10.5M0.01%-1,90013F-HRTimeline
NEEDHAM INVESTMENT MANAGEMENT LLCin group NEEDHAM INVESTMENT MANAGEMENT…128,750$10.3M0.97%-25013F-HRTimelineGroup
Freestone Grove Partners LP123,376$9.89M0.1%new13F-HRTimeline
ENVESTNET ASSET MANAGEMENT INCin group ENVESTNET ASSET MANAGEMENT INC110,765$8.88M<0.01%+15,48213F-HRTimelineGroup
HARBOR CAPITAL ADVISORS, INC.109,755$8.8M0.4%-5,75213F-HRTimeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…105,267$8.44M0.01%+86,43213F-HRTimelineGroup
Legal & General Group Plcin group Legal & General Group Plc105,180$8.43M<0.01%+53813F-HRTimelineGroup
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC103,070$8.26M0.01%-78,49213F-HR/ATimelineGroup
AQR CAPITAL MANAGEMENT LLCgroup of 2 filers holding100,411$7.91M+41,603Timeline
SEGALL BRYANT & HAMILL, LLC92,784$7.44M0.11%+2,66513F-HRTimeline
ALLIANCEBERNSTEIN L.P.87,165$6.99M<0.01%-1,32113F-HRTimeline
First Eagle Investment Management, LLCin group First Eagle Investment Manage…86,649$6.94M0.01%-47,62913F-HRTimelineGroup
FIRST NATIONAL BANK OF OMAHAgroup of 2 filers holding84,650$6.78M+2,623Timeline
FEDERATED HERMES, INC.in group FEDERATED HERMES, INC.83,775$6.71M0.01%+53,52513F-HRTimelineGroup
STIFEL FINANCIAL CORPin group STIFEL FINANCIAL CORP83,165$6.67M0.01%+21,15613F-HRTimelineGroup
Harber Asset Management LLC82,140$6.58M2.34%new13F-HRTimeline
LAZARD ASSET MANAGEMENT LLCin group LAZARD ASSET MANAGEMENT LLC81,647$6.54M0.01%+20,14613F-HRTimelineGroup
Jain Global LLC80,573$6.46M0.13%+60,55613F-HRTimeline
MACQUARIE GROUP LTDin group MACQUARIE GROUP LTD76,743$6.15M0.01%+15,40313F-HR/ATimelineGroup
Corebridge Financial, Inc.in group Corebridge Financial, Inc.74,375$5.96M0.03%-1,81813F-HRTimelineGroup
Leith Wheeler Investment Counsel Ltd.73,174$5.86M0.41%+89113F-HRTimeline
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC52,087$5.48M0.01%-9,36013F-HRTimelineGroup
Trexquant Investment LP65,961$5.29M0.06%+51,54113F-HRTimeline
NEW YORK STATE TEACHERS RETIREMENT SYST…65,386$5.24M0.01%+10013F-HRTimeline
Amundiin group Amundi79,492$5.11M<0.01%-199,45813F-HRTimelineGroup
Walleye Capital LLCin group Walleye Capital LLC63,614$5.1M0.06%-49,03613F-HRTimelineGroup
Sculptor Capital LPin group Sculptor Capital LP63,300$5.07M0.11%new13F-HRTimelineGroup
READYSTATE ASSET MANAGEMENT LP63,187$5.06M0.25%+22,54113F-HRTimeline
CALIFORNIA STATE TEACHERS RETIREMENT SY…62,219$4.99M0.01%-71113F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…61,347$4.92M0.02%+21,88313F-HRTimeline
NFJ INVESTMENT GROUP, LLC60,094$4.82M0.16%+46,57513F-HRTimeline
STATE OF WISCONSIN INVESTMENT BOARD58,861$4.72M0.01%+9,54113F-HRTimeline
CANADA LIFE ASSURANCE Coin group CANADA LIFE ASSURANCE Co55,831$4.48M0.01%-27,48113F-HRTimelineGroup
STATE BOARD OF ADMINISTRATION OF FLORID…54,310$4.35M0.01%013F-HRTimeline
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLCin group MUTUAL OF AMERICA CAPITAL MAN…53,522$4.29M0.05%-91413F-HR/ATimelineGroup
Fisher Asset Management, LLC53,108$4.26M<0.01%-354,84613F-HRTimeline
STRS OHIO52,894$4.24M0.02%013F-HRTimeline
GHP Investment Advisors, Inc.47,194$3.78M0.18%+5913F-HRTimeline
GAMCO Investors (Gabelli)group of 3 filers holding45,931$3.68M+7,565Timeline
Corient Private Wealth LPin group Corient Private Wealth LP44,516$3.57M0.01%-76913F-HRTimelineGroup
GREAT LAKES ADVISORS, LLC42,156$3.38M0.03%-135,33513F-HRTimeline
TEACHERS RETIREMENT SYSTEM OF THE STATE…40,833$3.27M0.03%+7,29213F-HRTimeline
NISSAY ASSET MANAGEMENT CORP /JAPAN40,366$3.24M0.02%+3,21013F-HRTimeline
SIT INVESTMENT ASSOCIATES INCin group SIT INVESTMENT ASSOCIATES INC39,125$3.14M0.07%+70013F-HRTimelineGroup
RENAISSANCE TECHNOLOGIES LLC37,803$3.03M<0.01%-87,60013F-HRTimeline
Quantinno Capital Management LP37,615$3.01M0.02%+16,88113F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…37,534$3.01M0.02%-56913F-HRTimelineGroup
WCM INVESTMENT MANAGEMENT, LLC36,422$2.97M0.01%+1,35313F-HRTimeline
Holocene Advisors, LP35,702$2.86M0.01%new13F-HRTimeline
Verition Fund Management LLC34,779$2.79M0.02%+28,91913F-HRTimeline
Creative Planningin group Creative Planning34,198$2.74M<0.01%+1,69813F-HRTimelineGroup
Granite Investment Partners, LLC34,043$2.73M0.14%-4,32813F-HRTimeline
Gotham Asset Management, LLC33,795$2.71M0.02%-80,99113F-HRTimeline
State of Tennessee, Department of Treas…33,507$2.69M0.01%013F-HRTimeline
CAPSTONE INVESTMENT ADVISORS, LLCin group CAPSTONE INVESTMENT ADVISORS,…32,500$2.6M0.02%013F-HRTimelineGroup
OVERSEA-CHINESE BANKING Corp Ltdin group OVERSEA-CHINESE BANKING Corp …31,903$2.56M0.07%new13F-HR/ATimelineGroup
Roubaix Capital, LLC31,531$2.53M1.32%-22,61413F-HRTimeline
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…30,985$2.48M<0.01%+2,43713F-HRTimelineGroup
AMALGAMATED BANK30,811$2.47M0.02%-1,31813F-HRTimeline
Treasurer of the State of North Carolina30,592$2.45M0.01%+1,20013F-HRTimeline
Calamos Advisors LLCin group Calamos Advisors LLC30,500$2.44M0.01%013F-HRTimelineGroup
Phocas Financial Corp.30,235$2.42M0.37%-1,72513F-HRTimeline
Expect Equity LLC29,610$2.37M2.67%-3,17013F-HRTimeline
JANUS HENDERSON GROUP PLCin group Janus Henderson29,070$2.37M<0.01%-2,00013F-HRTimelineGroup
GLOBEFLEX CAPITAL L P28,638$2.3M0.21%013F-HRTimeline
FRANKLIN RESOURCES INCin group Franklin Resources28,421$2.28M<0.01%-5,08113F-HRTimelineGroup
CANADA PENSION PLAN INVESTMENT BOARD27,800$2.23M<0.01%+3,10013F-HRTimeline
COMERICA BANK26,914$2.16M0.01%+1,04113F-HRTimeline
Headlands Technologies LLC26,106$2.09M0.24%+12,09213F-HRTimeline
Cetera Investment Advisers25,599$2.05M<0.01%+2,16013F-HRTimeline
Illinois Municipal Retirement Fund24,534$1.97M0.03%013F-HRTimeline
Curi Capital, LLC24,434$1.96M0.05%-63813F-HRTimeline
Police & Firemen's Retirement System of…24,193$1.94M0.02%+29413F-HRTimeline
AXA S.A.in group AXA S.A.23,823$1.91M0.01%-9,45613F-HRTimelineGroup
YOUSIF CAPITAL MANAGEMENT, LLC22,941$1.84M0.02%-1,25313F-HRTimeline
State of New Jersey Common Pension Fund…in group State of New Jersey Common Pe…22,776$1.83M0.01%-36713F-HRTimelineGroup
HRT FINANCIAL LP22,384$1.79M0.01%new13F-HRTimeline
Tidal Investments LLCin group Tidal Investments LLC21,278$1.71M0.01%+1,74313F-HRTimelineGroup
Hilton Capital Management, LLC20,147$1.61M0.14%+2,27413F-HRTimeline
LPL Financial LLC20,068$1.61M<0.01%-5,07713F-HRTimeline
Ensign Peak Advisors, Inc19,547$1.57M<0.01%013F-HRTimeline
PEAK6 LLCin group PEAK6 LLC19,312$1.55M0.06%+18,54213F-HRTimelineGroup
ARIZONA STATE RETIREMENT SYSTEM19,288$1.55M0.01%-23913F-HRTimeline
Louisiana State Employees Retirement Sy…18,900$1.51M0.03%+20013F-HRTimeline
M&T Bank Corpin group M&T Bank Corp18,884$1.51M0.01%+2,53013F-HRTimelineGroup
Sterling Capital Management LLC18,239$1.46M0.02%-10,43113F-HRTimeline
Handelsbanken Fonder AB17,900$1.44M0.01%013F-HRTimeline
Ethic Inc.17,863$1.43M0.03%+1,19613F-HRTimeline
Zurcher Kantonalbank (Zurich Cantonalba…17,725$1.42M<0.01%+1,63413F-HRTimeline
ABLE Financial Group, LLC17,364$1.39M0.39%+1,37313F-HRTimeline
STATE OF MICHIGAN RETIREMENT SYSTEM16,140$1.29M0.01%+20013F-HRTimeline
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCH…16,087$1.29M0.01%+1,22413F-HRTimeline
NISA INVESTMENT ADVISORS, LLC15,764$1.26M0.01%-2,12813F-HRTimeline
Jump Financial, LLCin group Jump Financial, LLC15,682$1.26M0.02%new13F-HR/ATimelineGroup
Pathstone Holdings, LLCin group Pathstone Holdings, LLC15,436$1.24M0.01%-93613F-HRTimelineGroup
NORTHWESTERN MUTUAL INVESTMENT MANAGEME…in group NORTHWESTERN MUTUAL INVESTMEN…14,963$1.2M0.02%+513F-HRTimelineGroup
Andra AP-fonden14,595$1.17M0.02%new13F-HRTimeline
OREGON PUBLIC EMPLOYEES RETIREMENT FUND13,745$1.1M0.02%+8113F-HRTimeline
Orion Porfolio Solutions, LLC13,298$1.07M0.01%+2,24213F-HRTimeline
Orion Portfolio Solutions, LLC13,298$1.07M0.01%+2,24213F-HR/ATimeline
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…13,241$1.06M0.04%-23913F-HRTimelineGroup
NEW MEXICO EDUCATIONAL RETIREMENT BOARD13,200$1.06M0.04%013F-HRTimeline
KLP KAPITALFORVALTNING AS13,200$1.06M0.01%-60013F-HRTimeline
&PARTNERS12,490$1.02M0.01%+2,25613F-HRTimeline
Caption Management, LLC12,200$978K0.04%013F-HRTimeline
ODDO BHF ASSET MANAGEMENT SAS12,056$966K0.04%-5913F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Janney Montgomery Scott LLC11,973$960K<0.01%+3,02113F-HRTimeline
Aigen Investment Management, LP11,908$954K0.15%+4,79013F-HRTimeline
Dynamic Technology Lab Private Ltd11,721$939K0.14%new13F-HRTimeline
Engineers Gate Manager LP11,689$937K0.02%-13,27213F-HRTimeline
Banco Santander, S.A.in group Banco Santander, S.A.11,499$922K0.01%-7,84113F-HRTimelineGroup
Utah Retirement Systems11,034$884K0.01%013F-HRTimeline
Pictet Asset Management Holding SAin group Pictet Asset Management Holdi…10,963$879K<0.01%+1,21513F-HRTimelineGroup
Universal- Beteiligungs- und Serviceges…in group Universal- Beteiligungs- und …10,885$872K<0.01%new13F-HRTimelineGroup
ProShare Advisors LLC10,850$870K<0.01%-1,09313F-HRTimeline
GUGGENHEIM CAPITAL LLCin group GUGGENHEIM CAPITAL LLC10,784$864K0.01%-3913F-HRTimelineGroup
Sanctuary Advisors, LLC9,877$792K0.01%-62913F-HRTimeline
TEACHER RETIREMENT SYSTEM OF TEXAS9,838$789K<0.01%new13F-HRTimeline
Ellevest, Inc.9,561$766K0.05%+92813F-HRTimeline
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC9,553$766K<0.01%-8,54513F-HR/ATimelineGroup
Tributary Capital Management, LLC9,115$731K0.06%+36413F-HRTimeline
CAPTRUST FINANCIAL ADVISORS9,068$727K<0.01%+6,27713F-HRTimeline
VIRGINIA RETIREMENT SYSTEMS ET Al9,000$721K0.01%13F-HRTimeline
272 Capital LP8,955$718K1.89%new13F-HRTimeline
Federation des caisses Desjardins du Qu…8,857$710K<0.01%+3,51513F-HRTimeline
Keeley-Teton Advisors, LLC8,712$698K0.08%+2,32413F-HRTimeline
INTECH INVESTMENT MANAGEMENT LLC8,623$691K0.01%-45,51013F-HRTimeline
Williams Jones Wealth Management, LLC.8,482$680K0.01%-2,30013F-HRTimeline
XPONANCE LLC8,411$674K0.01%+12513F-HRTimeline
Linden Thomas Advisory Services, LLC8,125$651K0.08%+713F-HRTimeline