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AAMI ACADIAN ASSET MANAGEMENT INC

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Stock (common), issuer CIK 1748824

247 managers (256 13F filers) reported a position in AAMI shares at 2026-03-31, 35,950,946 shares in all. 32 filers opened a position and 35 filers sold out during the quarter.

Managers
247
13F filers
256
New
32
Added
89
Reduced
88
Sold out
35
Shares held by filers
35,950,946

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
PAULSON & CO. INC.7,743,282$421M13.54%013F-HRTimeline
BlackRock, Inc.in group BlackRock, Inc.4,574,232$249M<0.01%-81,12113F-HRTimelineGroup
VANGUARD GROUP INCgroup of 6 filers holding2,262,551$123MnewTimeline
JENNISON ASSOCIATES LLC2,022,207$110M0.08%+112,98513F-HRTimeline
Empyrean Capital Partners, LP1,308,190$71.2M2.37%-96,37213F-HRTimeline
STATE STREET CORPin group STATE STREET CORP1,209,440$65.8M<0.01%+3,19613F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP904,549$49.2M0.01%-4,66413F-HRTimelineGroup
Impax Asset Management Group plcin group Impax Asset Management Group …823,323$44.8M0.31%-22,12813F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC747,822$40.7M<0.01%+62,55013F-HRTimelineGroup
Woodline Partners LP701,720$38.2M0.14%+142,62913F-HR/ATimeline
SOROS FUND MANAGEMENT LLCin group SOROS FUND MANAGEMENT LLC648,807$35.3M0.48%-88,56013F-HRTimelineGroup
SG Americas Securities, LLC603,683$32.9M0.04%+244,07013F-HRTimeline
Nuveen, LLCin group TIAA588,464$32M0.01%-63,68013F-HRTimelineGroup
FEDERATED HERMES, INC.in group FEDERATED HERMES, INC.568,320$30.9M0.05%+10,05313F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY537,643$29.3M<0.01%+5,12813F-HRTimelineGroup
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP478,814$26.1M0.02%+195,32613F-HRTimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co453,320$24.7M<0.01%-26,98613F-HRTimelineGroup
Allspring Global Investments Holdings, …in group Allspring Global Investments …419,239$23.6M0.04%+51,07513F-HRTimelineGroup
Invesco Ltd.in group Invesco Ltd.412,702$22.5M<0.01%-7,90413F-HRTimelineGroup
GW&K Investment Management, LLC375,977$20.5M0.18%-37,11613F-HRTimeline
Systematic Alpha Investments, LLC370,108$20.1M0.71%013F-HRTimeline
Boston Trust Walden Corpgroup of 2 filers holding339,137$18.5M+284,013Timeline
Azora Capital LP329,349$17.9M1.18%new13F-HRTimeline
JACOBS LEVY EQUITY MANAGEMENT, INC318,131$17.3M0.07%-101,21513F-HRTimeline
UBS Group AGgroup of 2 filers holding284,238$15.5M+122,542Timeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP279,061$15.2M<0.01%+7613F-HRTimelineGroup
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC263,737$14.4M0.05%+8,65113F-HRTimeline
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …241,200$13.1M0.01%-273,26313F-HRTimelineGroup
North Reef Capital Management LP220,239$12M0.41%-223,68313F-HRTimeline
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC219,292$11.9M<0.01%+10,19613F-HRTimelineGroup
FMR LLCin group FMR LLC213,004$11.6M<0.01%+34,12413F-HRTimelineGroup
PRINCIPAL FINANCIAL GROUP INCin group PRINCIPAL FINANCIAL GROUP INC204,527$11.1M0.01%+24,88513F-HRTimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp196,225$10.7M<0.01%-6,14313F-HRTimelineGroup
JANUS HENDERSON GROUP PLCin group Janus Henderson195,337$10.6M0.01%+182,90413F-HR/ATimelineGroup
FIRST TRUST ADVISORS LPin group FIRST TRUST ADVISORS LP194,170$10.6M0.01%+24,85513F-HRTimelineGroup
Allianz Asset Management GmbHin group Allianz SE181,393$9.87M0.01%+74,39513F-HRTimelineGroup
Qube Research & Technologies Ltd174,938$9.52M0.01%+3,21113F-HRTimeline
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC159,669$8.69M<0.01%+67,23013F-HRTimelineGroup
Public Sector Pension Investment Board147,353$8.02M0.02%+24,30413F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/137,218$7.47M<0.01%+36,91213F-HRTimelineGroup
JUPITER ASSET MANAGEMENT LTDin group JUPITER ASSET MANAGEMENT LTD131,673$7.17M0.04%+21,87713F-HRTimelineGroup
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\119,736$6.52M<0.01%+96,72513F-HRTimelineGroup
Man Group plcin group Man Group plc118,071$6.43M0.01%-20,39913F-HRTimelineGroup
BRIGHTLIGHT CAPITAL MANAGEMENT LP100,200$5.45M5.38%-7,70013F-HRTimeline
ALGERT GLOBAL LLC96,687$5.26M0.08%-18,30013F-HR/ATimeline
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO97,620$5.1M<0.01%-52,98213F-HR/ATimelineGroup
Karl Kapital LLC90,048$4.9M3.39%new13F-HRTimeline
Cannell & Spears LLC84,459$4.6M0.09%+25,26213F-HR/ATimeline
LSV ASSET MANAGEMENT82,300$4.48M0.01%013F-HRTimeline
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC81,107$4.41M<0.01%+1,70513F-HR/ATimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC81,023$4.41M<0.01%-21,44813F-HRTimelineGroup
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC80,776$4.4M<0.01%+3,48413F-HRTimelineGroup
Vident Advisory, LLCin group Vident Advisory, LLC78,642$4.28M0.04%+73,14713F-HRTimelineGroup
ENVESTNET ASSET MANAGEMENT INCgroup of 2 filers holding73,054$3.98M+5,647Timeline
RHUMBLINE ADVISERS72,136$3.93M<0.01%-2,75713F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC69,334$3.77M<0.01%-19,60213F-HRTimelineGroup
Legal & General Group Plcin group Legal & General Group Plc64,288$3.5M<0.01%-6,54713F-HRTimelineGroup
VICTORY CAPITAL MANAGEMENT INC63,557$3.46M<0.01%-5,92413F-HRTimeline
KESTREL INVESTMENT MANAGEMENT CORP62,381$3.39M2.03%-80013F-HRTimeline
RENAISSANCE TECHNOLOGIES LLC60,544$3.29M0.01%-37,78413F-HRTimeline
Linden Thomas Advisory Services, LLC59,448$3.24M0.31%+29,37113F-HRTimeline
CREDIT AGRICOLE S Ain group CREDIT AGRICOLE S A58,389$3.18M0.01%013F-HRTimelineGroup
Swiss National Bank56,526$3.08M<0.01%013F-HRTimeline
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.56,410$3.07M<0.01%-58,67613F-HRTimelineGroup
FRANKLIN RESOURCES INCin group Franklin Resources54,244$2.95M<0.01%+11,25813F-HRTimelineGroup
Engineers Gate Manager LP52,696$2.87M0.04%+2,63613F-HRTimeline
ZACKS INVESTMENT MANAGEMENT50,853$2.77M0.02%+12,10413F-HRTimeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPgroup of 3 filers holding47,865$2.6M-11,210Timeline
Assenagon Asset Management S.A.45,836$2.49M<0.01%new13F-HRTimeline
HUSSMAN STRATEGIC ADVISORS, INC.42,000$2.29M0.49%new13F-HRTimeline
EFG International AGin group EFG International AG41,435$2.25M0.05%new13F-HRTimelineGroup
STATE BOARD OF ADMINISTRATION OF FLORID…40,459$2.2M<0.01%+17,64713F-HRTimeline
Redhawk Wealth Advisors, Inc.40,092$2.18M0.24%new13F-HRTimeline
INTECH INVESTMENT MANAGEMENT LLC39,108$2.13M0.02%+26,74413F-HRTimeline
STATE OF WISCONSIN INVESTMENT BOARD35,418$1.93M<0.01%-5,71213F-HRTimeline
Kendall Capital Management34,460$1.88M0.38%+2,20013F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS34,194$1.86M<0.01%-7,99313F-HRTimelineGroup
CWA Asset Management Group, LLC33,388$1.82M0.06%new13F-HRTimeline
ALLIANCEBERNSTEIN L.P.38,087$1.79M<0.01%013F-HRTimeline
ROYCE & ASSOCIATES LP32,218$1.75M0.02%-7,08313F-HRTimeline
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC31,897$1.74M<0.01%new13F-HRTimelineGroup
DARK FOREST CAPITAL MANAGEMENT LP30,948$1.68M0.15%-6,84413F-HRTimeline
Creative Planningin group Creative Planning30,467$1.66M<0.01%+5,62813F-HRTimelineGroup
DGS Capital Management, LLCin group DGS Capital Management, LLC29,489$1.6M0.26%+10313F-HRTimelineGroup
THORNBURG INVESTMENT MANAGEMENT INC27,786$1.51M0.02%new13F-HRTimeline
Universal- Beteiligungs- und Serviceges…in group Universal- Beteiligungs- und …27,191$1.48M<0.01%-77613F-HRTimelineGroup
TEACHER RETIREMENT SYSTEM OF TEXAS27,166$1.48M0.01%-35,27313F-HRTimeline
CALIFORNIA STATE TEACHERS RETIREMENT SY…27,070$1.47M<0.01%-20013F-HRTimeline
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC27,036$1.47M<0.01%-5,72013F-HRTimelineGroup
SEI INVESTMENTS COin group SEI INVESTMENTS CO26,930$1.47M<0.01%+9,93713F-HRTimelineGroup
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…26,901$1.46M<0.01%-5,23013F-HRTimelineGroup
HRT FINANCIAL LP25,892$1.41M<0.01%-6,50313F-HRTimeline
State of Tennessee, Department of Treas…24,827$1.35M<0.01%+18,75813F-HRTimeline
CANADA LIFE ASSURANCE Coin group CANADA LIFE ASSURANCE Co24,069$1.31M<0.01%013F-HRTimelineGroup
LPL Financial LLC23,373$1.27M<0.01%-1,70613F-HRTimeline
Voleon Capital Management LP23,036$1.25M0.03%-19,33413F-HRTimeline
Y-Intercept (Hong Kong) Ltd22,931$1.25M0.02%+9,48013F-HRTimeline
NATIXIS ADVISORS, LLCin group Natixis Investment Managers22,843$1.24M<0.01%+10,75713F-HRTimelineGroup
Quantinno Capital Management LP22,582$1.23M<0.01%+3,48213F-HRTimeline
HEALTHCARE OF ONTARIO PENSION PLAN TRUS…21,300$1.16M<0.01%-36,47013F-HRTimeline
PRICE T ROWE ASSOCIATES INC /MD/20,005$1.09M<0.01%+4,33813F-HRTimeline
Walleye Capital LLCin group Walleye Capital LLC19,590$1.07M0.01%new13F-HR/ATimelineGroup
State of Alaska, Department of Revenue18,565$1.01M0.01%-32613F-HRTimeline
Greenwich Wealth Management LLC18,500$1.01M0.04%013F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC18,099$985K<0.01%-37,34513F-HRTimelineGroup
Harvest Investment Services, LLC18,088$984K0.18%new13F-HRTimeline
Summit Global Investmentsin group Summit Global Investments17,657$961K0.06%-3,66313F-HRTimelineGroup
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…17,638$960K<0.01%-52013F-HRTimelineGroup
Trexquant Investment LP17,302$942K0.01%+7,79813F-HRTimeline
MML INVESTORS SERVICES, LLC16,245$884K<0.01%-3,21113F-HRTimeline
CITIGROUP INCin group CITIGROUP INC15,530$845K<0.01%-27,32013F-HRTimelineGroup
Concurrent Investment Advisors, LLCin group Concurrent Investment Advisor…15,386$837K0.01%-6,87213F-HRTimelineGroup
MetLife Investment Management, LLCin group MetLife Investment Management…15,072$820K<0.01%-11013F-HRTimelineGroup
STRS OHIO14,800$805K<0.01%-90013F-HRTimeline
KLP KAPITALFORVALTNING AS14,432$785K<0.01%+2,30013F-HRTimeline
Illinois Municipal Retirement Fund14,319$779K0.01%+90513F-HRTimeline
PDT Partners, LLC13,697$745K0.04%+6,90013F-HRTimeline
Mariner, LLCin group Mariner, LLC13,488$734K<0.01%+4,99313F-HRTimelineGroup
Horizon Investments, LLC13,481$734K0.01%+48713F-HRTimeline
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …12,937$704K<0.01%+73613F-HRTimelineGroup
CreativeOne Wealth, LLCin group CreativeOne Wealth, LLC12,895$702K0.02%new13F-HRTimelineGroup
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…12,583$685K<0.01%+12113F-HRTimelineGroup
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP12,679$662K<0.01%+12,60213F-HRTimelineGroup
HSBC HOLDINGS PLCin group HSBC HOLDINGS PLC12,236$659K<0.01%-70213F-HRTimelineGroup
Lido Advisors, LLCin group Lido Advisors, LLC11,904$648K<0.01%+2,98213F-HRTimelineGroup
KEYBANK NATIONAL ASSOCIATION/OHin group KEYBANK NATIONAL ASSOCIATION/…11,838$644K<0.01%-60613F-HRTimelineGroup
Louisiana State Employees Retirement Sy…11,700$637K0.01%-40013F-HRTimeline
Zurcher Kantonalbank (Zurich Cantonalba…11,360$618K<0.01%+72513F-HRTimeline
FIRST CITIZENS BANK & TRUST CO10,682$581K0.01%-46213F-HRTimeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN10,645$579K<0.01%-18,80013F-HR/ATimelineGroup
State of Wyoming10,389$565K0.07%+1,11513F-HRTimeline
NEW YORK STATE TEACHERS RETIREMENT SYST…9,939$541K<0.01%-83613F-HRTimeline
BOKF, NAin group BOKF, NA8,874$483K0.01%-4,95913F-HRTimelineGroup
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC8,705$474K<0.01%+3,63713F-HRTimelineGroup
ANB BANK8,588$467K0.19%+41013F-HRTimeline
NEW YORK STATE COMMON RETIREMENT FUND8,475$461K<0.01%013F-HRTimeline
Aquatic Capital Management LLC8,347$454K0.01%new13F-HRTimeline
Advisory Services Network, LLC8,189$446K0.01%-18513F-HRTimeline
Optimist Retirement Group LLC8,054$438K0.19%-1,12113F-HRTimeline
BNP PARIBAS ASSET MANAGEMENT Holding S.…in group BNP PARIBAS ASSET MANAGEMENT …7,925$431K<0.01%-65713F-HRTimelineGroup
ARIZONA STATE RETIREMENT SYSTEM7,846$427K<0.01%-9613F-HRTimeline
TRUIST FINANCIAL CORPin group TRUIST FINANCIAL CORP7,801$425K<0.01%+1,36913F-HRTimelineGroup
GSA CAPITAL PARTNERS LLP7,635$415K0.03%new13F-HRTimeline
AMALGAMATED BANK7,621$415K<0.01%-8913F-HRTimeline
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC7,388$402K<0.01%new13F-HRTimelineGroup
Brevan Howard Capital Management LPin group Brevan Howard Capital Managem…7,247$394K<0.01%-2,56013F-HRTimelineGroup
Tidal Investments LLCin group Tidal Investments LLC7,053$384K<0.01%new13F-HRTimelineGroup
YOUSIF CAPITAL MANAGEMENT, LLC7,037$383K<0.01%-10713F-HRTimeline
Police & Firemen's Retirement System of…6,980$380K<0.01%013F-HRTimeline
FLAGSHIP HARBOR ADVISORS, LLC6,870$374K0.02%+6,86313F-HRTimeline
IEQ CAPITAL, LLC6,839$372K<0.01%new13F-HRTimeline
MANGROVE PARTNERS IM, LLC6,832$372K0.03%-1,95813F-HRTimeline
TEACHERS RETIREMENT SYSTEM OF THE STATE…6,659$363K<0.01%-20013F-HRTimeline
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCH…6,535$356K<0.01%-713F-HRTimeline
Abacus Wealth Partners, LLC6,499$354K0.03%013F-HRTimeline
Morningstar Investment Management LLCin group Morningstar Investment Manage…6,188$337K0.02%new13F-HRTimelineGroup
OREGON PUBLIC EMPLOYEES RETIREMENT FUND6,086$331K<0.01%013F-HRTimeline
Cerity Partners LLCin group Cerity Partners LLC5,978$325K<0.01%+22513F-HRTimelineGroup
NEUBERGER BERMAN GROUP LLCin group NEUBERGER BERMAN GROUP LLC5,712$311K<0.01%-3313F-HRTimelineGroup
Institute for Wealth Management, LLC.5,543$302K0.03%-62713F-HRTimeline
JMN Financial LLC5,470$298K0.29%-21713F-HRTimeline
Pathstone Holdings, LLCin group Pathstone Holdings, LLC5,230$285K<0.01%new13F-HRTimelineGroup
EJF Capital LP5,143$280K0.2%013F-HRTimeline
BANK OF MONTREAL /CAN/in group BANK OF MONTREAL /CAN/4,988$271K<0.01%-3,12313F-HRTimelineGroup
XTX Topco Ltdin group XTX Topco Ltd4,921$268K<0.01%-15,72213F-HRTimelineGroup
CWM, LLCin group CWM, LLC4,899$267K<0.01%+82013F-HRTimelineGroup
MERCER GLOBAL ADVISORS INC /ADV4,718$257K<0.01%new13F-HRTimeline
Swiss Life Asset Management Ltdin group Swiss Life Asset Management L…4,634$252K<0.01%-9813F-HRTimelineGroup
EVERGREEN CAPITAL MANAGEMENT LLC4,509$245K0.01%013F-HRTimeline
EXCHANGE TRADED CONCEPTS, LLC4,495$245K<0.01%-76913F-HRTimeline
Cetera Investment Advisers4,433$241K<0.01%new13F-HRTimeline
Pictet Asset Management Holding SAin group Pictet Asset Management Holdi…4,343$236K<0.01%013F-HRTimelineGroup
ProShare Advisors LLC4,172$227K<0.01%-1,04013F-HRTimeline
PANAGORA ASSET MANAGEMENT INC4,048$220K<0.01%-19,38113F-HRTimeline
MARSHALL WACE, LLPin group MARSHALL WACE, LLP3,998$218K<0.01%new13F-HRTimelineGroup
Maryland State Retirement & Pension Sys…3,810$207K<0.01%new13F-HRTimeline
Ensign Peak Advisors, Inc3,059$166K<0.01%013F-HR/ATimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…3,009$164K<0.01%+33413F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…2,664$145K<0.01%+2,28113F-HRTimelineGroup
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…2,243$122K<0.01%013F-HRTimelineGroup
Transamerica Financial Advisors, LLCin group Transamerica Financial Adviso…2,018$110K0.01%+1,21613F-HRTimelineGroup
WealthCollab, LLC1,848$101K0.04%013F-HRTimeline
QUADRANT CAPITAL GROUP LLC1,517$82.6K<0.01%+18013F-HR/ATimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA1,412$76K<0.01%-65713F-HRTimelineGroup
Quantbot Technologies LP1,251$68.1K<0.01%-6,65113F-HRTimeline
GAMMA Investing LLC1,182$64.3K<0.01%+4913F-HRTimeline
Signature Equity Partners, LLC945$51.5K0.03%-10613F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…767$41.7K<0.01%-213F-HR/ATimelineGroup
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.761$41.5K<0.01%+47213F-HRTimelineGroup
SIGNATUREFD, LLC747$40.7K<0.01%+3113F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…647$35.2K<0.01%-12813F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\646$35.2K<0.01%+1313F-HRTimelineGroup
Pinnacle Wealth Planning Services, Inc.600$32.7K<0.01%+2913F-HRTimeline
Cullen/Frost Bankers, Inc.in group Cullen/Frost Bankers, Inc.599$32.6K<0.01%+2513F-HRTimelineGroup
Blue Trust, Inc.554$30.1K<0.01%+10213F-HRTimeline
Smartleaf Asset Management LLC553$28.9K<0.01%-25113F-HRTimeline
MAI Capital Management467$25.4K<0.01%+46613F-HRTimeline
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…458$24.9K<0.01%+32513F-HRTimelineGroup
FIFTH THIRD BANCORPin group FIFTH THIRD BANK, NATIONAL AS…436$23.7K<0.01%+7313F-HRTimelineGroup
Allworth Financial LP432$23.5K<0.01%+17013F-HRTimeline