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Disclosery

MRCY MERCURY SYS INC

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Stock (common), issuer CIK 1049521

240 managers (244 13F filers) reported a position in MRCY shares at 2024-12-31, 63,439,796 shares in all. 22 filers opened a position and 27 filers sold out during the quarter.

Managers
240
13F filers
244
New
22
Added
83
Reduced
88
Sold out
27
Shares held by filers
63,439,796

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, Q4 2024

Filers in the available 13F reports with a share position at 2024-12-31, 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
BlackRock, Inc.in group BlackRock, Inc.8,820,916$370M0.01%+145,12413F-HRTimelineGroup
JANA Partners Management, LP6,941,565$292M15.23%013F-HRTimeline
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC6,432,601$270M0.66%-866,91113F-HRTimeline
VANGUARD GROUP INCin group VANGUARD GROUP INC5,550,610$233M<0.01%+41,32413F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP2,936,241$123M<0.01%-262,19313F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP2,202,124$92.5M0.02%+52,72513F-HRTimelineGroup
Conestoga Capital Advisors, LLC2,072,817$87.1M1.15%+743,55213F-HRTimeline
VICTORY CAPITAL MANAGEMENT INC2,060,131$86.5M0.09%+294,74713F-HRTimeline
SCOPIA CAPITAL MANAGEMENT LP1,328,021$55.8M5.9%+648,87813F-HRTimeline
SEGALL BRYANT & HAMILL, LLC1,270,821$53.4M0.73%+1,94613F-HRTimeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC1,230,214$51.7M<0.01%-40,98613F-HRTimelineGroup
FULLER & THALER ASSET MANAGEMENT, INC.1,202,667$50.5M0.19%-2,78413F-HRTimeline
BAMCO INC /NY/in group Baron Capital1,201,324$50.5M0.13%-4,33013F-HRTimelineGroup
SNYDER CAPITAL MANAGEMENT L P1,165,119$48.9M1.02%-78,69613F-HRTimeline
NEUBERGER BERMAN GROUP LLCin group NEUBERGER BERMAN GROUP LLC1,069,618$44.9M0.04%-7,60113F-HRTimelineGroup
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC1,023,508$43M0.04%+677,89413F-HRTimelineGroup
FIRST TRUST ADVISORS LPin group FIRST TRUST ADVISORS LP988,936$41.5M0.04%+333,10913F-HRTimelineGroup
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA757,236$31.8M0.01%-5,12513F-HRTimelineGroup
UBS Group AGgroup of 2 filers holding673,951$28.3M+512,483Timeline
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co673,224$28.3M0.01%+14,39113F-HRTimelineGroup
Invesco Ltd.in group Invesco Ltd.631,961$26.5M<0.01%+37,84713F-HRTimelineGroup
TWO SIGMA INVESTMENTS, LPgroup of 2 filers holding626,046$26.3M-86,174Timeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP593,455$24.9M<0.01%+16,67413F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC564,452$23.7M<0.01%+10,48213F-HRTimelineGroup
FMR LLCin group FMR LLC555,994$23.4M<0.01%+552,92713F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY515,261$21.6M<0.01%-36,34313F-HR/ATimelineGroup
Mesirow Institutional Investment Manage…500,831$21M1.62%+64,28313F-HRTimeline
STALEY CAPITAL ADVISERS INC488,080$20.5M0.91%-6,79013F-HRTimeline
KENNEDY CAPITAL MANAGEMENT LLC466,177$19.6M0.43%+277,35513F-HRTimeline
WCM INVESTMENT MANAGEMENT, LLC441,792$18.6M0.04%-8,33913F-HR/ATimeline
Aristotle Capital Boston, LLCin group ARISTOTLE INVESTMENT SERVICES…430,121$18.1M0.67%-74,61913F-HRTimelineGroup
Fisher Asset Management, LLC395,265$16.6M0.01%new13F-HRTimeline
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC392,358$16.5M<0.01%+46,68813F-HRTimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp327,523$13.8M<0.01%-26,43213F-HRTimelineGroup
VAN ECK ASSOCIATES CORPin group VAN ECK ASSOCIATES CORP297,109$12.5M0.02%+77,25413F-HRTimelineGroup
MARSHALL WACE, LLPin group MARSHALL WACE, LLP296,908$12.5M0.02%-119,33413F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/279,385$11.7M<0.01%-239,53813F-HRTimelineGroup
ROYCE & ASSOCIATES LP262,659$11M0.1%+41,38013F-HRTimeline
LOOMIS SAYLES & CO L Pin group LOOMIS SAYLES & CO L P251,908$10.6M0.01%013F-HRTimelineGroup
PRINCIPAL FINANCIAL GROUP INCin group PRINCIPAL FINANCIAL GROUP INC245,880$10.3M0.01%+7,51213F-HRTimelineGroup
Nuveen Asset Management, LLCin group TIAA221,891$9.32M<0.01%-3,62013F-HRTimelineGroup
13D Management LLC221,015$9.28M6.88%+89,50713F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC192,597$8.09M<0.01%+17,03513F-HR/ATimelineGroup
COMERICA BANK182,232$7.65M0.03%+57,79713F-HR/ATimeline
Mirae Asset Global Investments Co., Ltd.group of 2 filers holding176,762$7.42M+36,007Timeline
Legal & General Group Plcin group Legal & General Group Plc163,905$6.88M<0.01%-2,79013F-HRTimelineGroup
RHUMBLINE ADVISERS161,495$6.78M0.01%+14013F-HR/ATimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\151,476$6.36M<0.01%+99,39113F-HR/ATimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO146,624$6.16M<0.01%+100,40413F-HRTimelineGroup
SEI INVESTMENTS COin group SEI INVESTMENTS CO144,186$6.06M0.01%+13,10313F-HRTimelineGroup
PRELUDE CAPITAL MANAGEMENT, LLC143,928$6.04M0.51%-18,36613F-HRTimeline
BLAIR WILLIAM & CO/IL136,039$5.71M0.02%-21,15413F-HRTimeline
Public Sector Pension Investment Board126,492$5.31M0.02%+19,39313F-HRTimeline
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.117,973$4.95M0.01%+42,53313F-HRTimelineGroup
CITIGROUP INCin group CITIGROUP INC107,253$4.5M<0.01%-3,13013F-HRTimelineGroup
KING LUTHER CAPITAL MANAGEMENT CORP104,074$4.37M0.02%-4,97113F-HRTimeline
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC101,384$4.26M<0.01%13F-HR/ATimelineGroup
Swiss National Bank99,500$4.18M<0.01%+1,00013F-HRTimeline
BOOTHBAY FUND MANAGEMENT, LLC86,847$3.65M0.11%-2,99413F-HRTimeline
B. Metzler seel. Sohn & Co. AGin group B. Metzler seel. Sohn & Co. AG76,501$3.21M0.03%013F-HRTimelineGroup
CenterBook Partners LP72,048$3.03M0.18%-11,49713F-HRTimeline
M&T Bank Corpin group M&T Bank Corp69,857$2.93M0.01%-1,36113F-HRTimelineGroup
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLCin group MUTUAL OF AMERICA CAPITAL MAN…66,797$2.81M0.03%+3213F-HRTimelineGroup
ALLIANCEBERNSTEIN L.P.65,544$2.75M<0.01%-59113F-HRTimeline
Trexquant Investment LP60,400$2.54M0.03%-106,40113F-HRTimeline
NEW YORK STATE TEACHERS RETIREMENT SYST…60,111$2.52M0.01%-10013F-HRTimeline
Cerity Partners LLCin group Cerity Partners LLC57,464$2.4M0.01%-71013F-HRTimelineGroup
Redwood Investment Management, LLCin group Redwood Investment Management…57,149$2.4M0.23%-15,21313F-HR/ATimelineGroup
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…56,206$2.36M<0.01%+36,19613F-HRTimelineGroup
LPL Financial LLC52,746$2.26M<0.01%+5,38813F-HRTimeline
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC51,915$2.18M<0.01%-97513F-HRTimelineGroup
Zions Bancorporation, N.A.50,159$2.11M0.13%+6,32513F-HRTimeline
CANADA LIFE ASSURANCE Coin group CANADA LIFE ASSURANCE Co49,769$2.09M<0.01%-25413F-HRTimelineGroup
CALIFORNIA STATE TEACHERS RETIREMENT SY…47,410$1.99M<0.01%-63013F-HR/ATimeline
MOODY NATIONAL BANK TRUST DIVISIONin group MOODY NATIONAL BANK TRUST DIV…46,019$1.93M0.2%+18413F-HRTimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN44,685$1.88M<0.01%+5,03813F-HRTimelineGroup
IRONWOOD INVESTMENT MANAGEMENT LLC40,994$1.72M0.86%+30013F-HRTimeline
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…39,179$1.65M<0.01%-47513F-HRTimelineGroup
PRICE T ROWE ASSOCIATES INC /MD/37,860$1.59M<0.01%-1,66413F-HRTimeline
Vident Advisory, LLCin group Vident Advisory, LLC35,749$1.5M0.03%+8,08813F-HRTimelineGroup
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS34,480$1.45M<0.01%-13,10613F-HRTimelineGroup
OPPENHEIMER & CO INCin group OPPENHEIMER ASSET MANAGEMENT …34,450$1.45M0.02%-5,07813F-HRTimelineGroup
Crestline Management, L.P.33,935$1.43M0.05%-225,74613F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…31,189$1.31M0.01%-47813F-HRTimelineGroup
Bouvel Investment Partners, LLC31,113$1.31M0.47%new13F-HRTimeline
NEEDHAM INVESTMENT MANAGEMENT LLCin group NEEDHAM INVESTMENT MANAGEMENT…30,000$1.26M0.1%-5,00013F-HRTimelineGroup
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …29,451$1.24M<0.01%-2,03213F-HRTimelineGroup
PEAK6 LLCin group PEAK6 LLC29,015$1.22M0.05%13F-HRTimelineGroup
State of Alaska, Department of Revenue28,807$1.21M0.01%-913F-HRTimeline
Quantinno Capital Management LP28,462$1.2M0.01%+17,36613F-HRTimeline
Illinois Municipal Retirement Fund28,454$1.2M0.02%-12213F-HRTimeline
Corebridge Financial, Inc.in group Corebridge Financial, Inc.27,644$1.16M0.01%-3,65113F-HRTimelineGroup
Holocene Advisors, LP26,058$1.09M<0.01%-1,30813F-HRTimeline
INTECH INVESTMENT MANAGEMENT LLC25,680$1.08M0.01%+13,46813F-HRTimeline
Louisiana State Employees Retirement Sy…24,500$1.03M0.02%+10013F-HRTimeline
JANUS HENDERSON GROUP PLCin group Janus Henderson24,025$1.01M<0.01%013F-HRTimelineGroup
Aquatic Capital Management LLC22,320$937K0.03%-14,48013F-HRTimeline
South Dakota Investment Council21,678$910K0.02%013F-HRTimeline
Natixis Investment Managersgroup of 2 filers holding21,655$910K+6,969Timeline
Verition Fund Management LLC20,679$869K<0.01%+9,23013F-HRTimeline
Ensign Peak Advisors, Inc20,002$840K<0.01%013F-HRTimeline
TEACHERS RETIREMENT SYSTEM OF THE STATE…19,640$825K0.01%013F-HRTimeline
YOUSIF CAPITAL MANAGEMENT, LLC19,316$811K0.01%-30813F-HRTimeline
Hunter Perkins Capital Management, LLC18,981$797K0.17%-2,87513F-HRTimeline
Maryland State Retirement & Pension Sys…17,052$716K0.02%013F-HRTimeline
ALTFEST L J & CO INC16,832$707K0.09%-1713F-HRTimeline
NEW YORK STATE COMMON RETIREMENT FUND16,257$683K<0.01%013F-HR/ATimeline
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC15,824$665K<0.01%-1,96013F-HR/ATimelineGroup
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…15,658$658K<0.01%+15,64813F-HRTimelineGroup
ProShare Advisors LLC15,647$657K<0.01%+4,29413F-HRTimeline
AMALGAMATED BANK14,989$630K0.01%-14113F-HRTimeline
State of Wyoming14,946$628K0.08%-3,08113F-HRTimeline
ARIZONA STATE RETIREMENT SYSTEM14,664$616K<0.01%+13913F-HRTimeline
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC14,532$610K<0.01%-20,94313F-HRTimelineGroup
STATE BOARD OF ADMINISTRATION OF FLORID…14,269$599K<0.01%013F-HRTimeline
Zurcher Kantonalbank (Zurich Cantonalba…13,986$587K<0.01%+1,08613F-HRTimeline
Rafferty Asset Management, LLC12,977$545K<0.01%+63213F-HRTimeline
GROUP ONE TRADING LLC12,856$540K0.02%+12,26513F-HR/ATimeline
GABELLI FUNDS LLCin group GAMCO Investors (Gabelli)12,809$538K<0.01%+2,00013F-HRTimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC12,713$534K<0.01%-51,37213F-HRTimelineGroup
State of Tennessee, Department of Treas…12,666$532K<0.01%-55513F-HRTimeline
KEYBANK NATIONAL ASSOCIATION/OHin group KEYBANK NATIONAL ASSOCIATION/…12,512$526K<0.01%+2,15413F-HRTimelineGroup
Y-Intercept (Hong Kong) Ltd12,336$518K0.03%+6,42613F-HRTimeline
KLP KAPITALFORVALTNING AS12,000$504K<0.01%13F-HRTimeline
OREGON PUBLIC EMPLOYEES RETIREMENT FUND11,962$502K0.01%+10013F-HRTimeline
Pathstone Holdings, LLCin group Pathstone Holdings, LLC11,761$494K<0.01%-62513F-HRTimelineGroup
HRT FINANCIAL LP11,723$492K<0.01%-75,36513F-HRTimeline
Mitsubishi UFJ Asset Management Co., Lt…in group Mitsubishi UFJ Trust & Bankin…11,314$483K<0.01%-3,14813F-HRTimelineGroup
BANK OF MONTREAL /CAN/in group BANK OF MONTREAL /CAN/10,984$461K<0.01%+51913F-HRTimelineGroup
DARK FOREST CAPITAL MANAGEMENT LP10,956$460K0.07%new13F-HRTimeline
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCH…10,821$454K<0.01%+2813F-HRTimeline
Police & Firemen's Retirement System of…10,805$454K<0.01%13F-HRTimeline
Hennion & Walsh Asset Management, Inc.10,742$451K0.02%+313F-HRTimeline
STATE OF WISCONSIN INVESTMENT BOARD10,655$448K<0.01%-49,42513F-HRTimeline
Gotham Asset Management, LLC10,427$438K<0.01%new13F-HRTimeline
GLENMEDE TRUST CO NAin group GLENMEDE TRUST CO NA10,175$427K<0.01%+3,25913F-HRTimelineGroup
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC10,066$423K<0.01%-21,45713F-HRTimelineGroup
Allianz Asset Management GmbHin group Allianz SE10,000$420K<0.01%-2,20013F-HRTimelineGroup
Yarbrough Capital, LLC9,991$420K0.02%013F-HRTimeline
Teza Capital Management LLC9,798$412K0.06%-8,32313F-HRTimeline
ENVESTNET ASSET MANAGEMENT INCin group ENVESTNET ASSET MANAGEMENT INC9,738$409K<0.01%-1,21313F-HRTimelineGroup
IRIDIAN ASSET MANAGEMENT LLC/CT9,357$393K0.1%-19913F-HRTimeline
Lombard Odier Asset Management (USA) Co…9,224$387K0.15%-3,00013F-HRTimeline
Creative Planningin group Creative Planning9,154$384K<0.01%-63413F-HRTimelineGroup
GSA CAPITAL PARTNERS LLP8,978$377K0.03%+1,15413F-HRTimeline
Verity Asset Management, Inc.8,943$376K0.21%+1,54113F-HRTimeline
Jain Global LLC8,890$373K0.01%13F-HRTimeline
Weiss Asset Management LPin group Weiss Asset Management LP8,821$370K0.01%new13F-HRTimelineGroupThe filing omitted confidential holdings, a later amendment may add them.
Quantbot Technologies LP8,091$340K0.01%-14,87313F-HRTimeline
CIM INVESTMENT MANAGEMENT INC8,072$339K0.1%013F-HRTimeline
XTX Topco Ltdin group XTX Topco Ltd8,060$339K0.03%-15,10713F-HRTimelineGroup
CANADA PENSION PLAN INVESTMENT BOARD7,700$323K<0.01%new13F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION…7,486$314K<0.01%013F-HRTimeline
Moors & Cabot, Inc.7,250$304K0.01%-30013F-HRTimeline
CWM, LLCin group CWM, LLC7,079$297K<0.01%-2,69913F-HRTimelineGroup
Schonfeld Strategic Advisors LLC6,867$288K<0.01%+51713F-HRTimeline
Corient Private Wealth LPin group Corient Private Wealth LP6,858$288K<0.01%+26613F-HRTimelineGroup
Pictet Asset Management Holding SAin group Pictet Asset Management Holdi…6,766$284K<0.01%013F-HRTimelineGroup
STIFEL FINANCIAL CORPin group STIFEL FINANCIAL CORP6,668$280K<0.01%+1713F-HRTimelineGroup
JOHNSON INVESTMENT COUNSEL INC6,641$279K<0.01%+55513F-HRTimeline
Focus Partners Wealthin group Focus Partners Wealth6,611$278K<0.01%new13F-HR/ATimelineGroup
DekaBank Deutsche Girozentrale5,826$242K<0.01%013F-HRTimeline
WEALTH ENHANCEMENT ADVISORY SERVICES, L…5,730$241K<0.01%new13F-HR/ATimeline
IEQ CAPITAL, LLC5,728$241K<0.01%new13F-HRTimeline
Aigen Investment Management, LP5,490$231K0.04%new13F-HRTimeline
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…5,371$226K0.01%013F-HRTimelineGroup
CIBC Asset Management Inc5,362$225K<0.01%new13F-HRTimeline
LAZARD ASSET MANAGEMENT LLCin group LAZARD ASSET MANAGEMENT LLC5,131$215K<0.01%013F-HRTimelineGroup
CENTAURUS FINANCIAL, INC.5,041$212K0.01%new13F-HRTimeline
CAPTRUST FINANCIAL ADVISORS5,042$212K<0.01%new13F-HRTimeline
CIBC WORLD MARKETS CORP4,866$204K<0.01%new13F-HRTimeline
Harel Insurance Investments & Financial…in group Harel Insurance Investments &…4,502$189K<0.01%+1,54913F-HRTimelineGroup
CIBC Private Wealth Group LLCin group CIBC Bancorp USA Inc.3,532$155K<0.01%+9713F-HRTimelineGroup
KBC Group NVin group KBC Group NV2,496$105K<0.01%+82513F-HRTimelineGroup
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…2,453$103K<0.01%-813F-HRTimelineGroup
PEREGRINE CAPITAL MANAGEMENT LLC2,134$89.6K<0.01%013F-HRTimeline
Covestor Ltd2,124$89K0.06%013F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…1,750$73.5K<0.01%-5,59813F-HRTimelineGroup
NISA INVESTMENT ADVISORS, LLC1,742$73.2K<0.01%+7413F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\1,740$73.1K<0.01%+16013F-HRTimelineGroup
Sterling Capital Management LLC1,639$68.8K<0.01%+1,44913F-HRTimeline
QUADRANT CAPITAL GROUP LLC1,399$58.8K<0.01%+18913F-HRTimeline
Ridgewood Investments LLC1,350$56.7K0.03%013F-HRTimeline
Hilltop National Bank890$37.4K0.01%-6913F-HRTimeline
FIFTH THIRD BANCORPin group FIFTH THIRD BANK, NATIONAL AS…839$35.2K<0.01%-47813F-HRTimelineGroup
Neo Ivy Capital Management798$33K0.01%new13F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…768$32.3K<0.01%-41,57213F-HRTimeline
GHP Investment Advisors, Inc.700$29.4K<0.01%013F-HRTimeline
SIGNATUREFD, LLC672$28.2K<0.01%+613F-HRTimeline
Aster Capital Management (DIFC) Ltd666$28K0.01%-47313F-HRTimeline
GAMMA Investing LLC663$27.8K<0.01%+5313F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…660$27.7K<0.01%+1413F-HRTimelineGroup
Allworth Financial LP598$25.5K<0.01%-3113F-HRTimeline
BARROW HANLEY MEWHINNEY & STRAUSS LLC582$24.4K<0.01%013F-HR/ATimeline
Smartleaf Asset Management LLC558$23.4K<0.01%+29613F-HRTimeline
WHITTIER TRUST CO554$23.3K<0.01%013F-HRTimeline
GeoWealth Management, LLC547$23K<0.01%new13F-HRTimeline
Venturi Wealth Management, LLC507$21.3K<0.01%-8613F-HRTimeline
AlphaQuest LLC401$16.8K<0.01%+38113F-HRTimeline
Coston, McIsaac & Partners396$16K<0.01%013F-HRTimeline