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Disclosery

ARWR ARROWHEAD PHARMACEUTICALS IN

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COM (common), issuer CIK 879407

294 managers (303 13F filers) reported a position in ARWR shares at 2025-09-30, 110,936,274 shares in all. 65 filers opened a position and 41 filers sold out during the quarter.

Managers
294
13F filers
303
New
65
Added
101
Reduced
82
Sold out
41
Shares held by filers
110,936,274

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
BlackRock, Inc.in group BlackRock, Inc.20,224,825$698M0.01%+799,93813F-HRTimelineGroup
VANGUARD GROUP INCgroup of 2 filers holding16,044,195$553M+519,123Timeline
Avoro Capital Advisors LLC10,900,000$376M4.86%+300,00013F-HRTimeline
STATE STREET CORPin group STATE STREET CORP6,397,364$221M0.01%+26,30813F-HRTimelineGroup
FMR LLCin group FMR LLC5,759,830$199M0.01%+589,52013F-HRTimelineGroup
Slate Path Capital LP4,982,000$172M2.66%-250,00013F-HRTimeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC3,131,042$108M0.01%+152,53713F-HRTimelineGroup
UBS Group AGgroup of 2 filers holding2,677,672$92.4M-1,607,241Timeline
Siren, L.L.C.in group Siren, L.L.C.2,669,880$92.1M3.6%013F-HRTimelineGroup
Driehaus Capital Management LLC2,099,398$72.4M0.52%new13F-HRTimeline
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …2,081,689$71.8M0.05%+2,017,48913F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC1,773,878$61.2M0.01%-341,43613F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY1,702,674$58.7M<0.01%-2,59213F-HR/ATimelineGroup
BAKER BROS. ADVISORS LPin group BAKER BROS. ADVISORS LP1,670,762$57.6M0.42%+731,58813F-HRTimelineGroup
MARSHALL WACE, LLPin group MARSHALL WACE, LLP1,436,840$49.6M0.05%-719,15813F-HRTimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co1,345,860$46.4M0.01%+175,11513F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP1,311,590$45.2M0.01%+39,52413F-HRTimelineGroup
Fisher Asset Management, LLC1,053,794$36.3M0.01%+602,13913F-HRTimeline
Woodline Partners LP1,000,158$34.5M0.16%+254,00213F-HRTimeline
DEERFIELD MANAGEMENT COMPANY, L.P.in group DEERFIELD MANAGEMENT COMPANY,…993,000$34.2M0.52%new13F-HRTimelineGroup
JANUS HENDERSON GROUP PLCin group Janus Henderson973,567$33.5M0.02%+923,72213F-HRTimelineGroup
Western Financial Corp/CA820,239$28.3M12.31%013F-HRTimeline
Bank of New York Mellon Corpin group Bank of New York Mellon Corp814,548$28.1M0.01%-3,53113F-HRTimelineGroup
Balyasny Asset Management L.P.in group Balyasny Asset Management792,966$27.3M0.06%new13F-HRTimelineGroup
PRINCIPAL FINANCIAL GROUP INCgroup of 2 filers holding780,184$26.9M+157,033Timeline
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO775,717$26.8M<0.01%+368,07313F-HR/ATimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/760,687$26.2M<0.01%+136,19113F-HR/ATimelineGroup
Schonfeld Strategic Advisors LLC543,916$18.8M0.13%+61,86113F-HRTimeline
Public Sector Pension Investment Board539,336$18.6M0.07%+110,95013F-HRTimeline
Aberdeen Group plcin group Aberdeen Group plc520,644$18M0.03%-439,60113F-HRTimelineGroup
Franklin Resourcesgroup of 2 filers holding507,659$17.5M+45,547Timeline
Invesco Ltd.in group Invesco Ltd.502,892$17.3M<0.01%-259,77313F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP474,462$16.4M<0.01%+107,75113F-HRTimelineGroup
Privium Fund Management B.V.473,951$16.3M2.94%-138,26313F-HRTimeline
VOLORIDGE INVESTMENT MANAGEMENT, LLC402,659$13.9M0.05%new13F-HRTimeline
Legal & General Group Plcin group Legal & General Group Plc386,374$13.3M<0.01%-20,96713F-HRTimelineGroup
Assenagon Asset Management S.A.380,625$13.1M0.02%+355,05613F-HRTimeline
RHUMBLINE ADVISERS371,112$12.8M0.01%+11,11513F-HRTimeline
NORDEA INVESTMENT MANAGEMENT ABin group NORDEA INVESTMENT MANAGEMENT …372,282$12.7M0.01%+158,93713F-HRTimelineGroup
BARCLAYS PLCin group BARCLAYS PLC350,239$12.1M<0.01%-59,36413F-HR/ATimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC317,614$11M0.01%+255,36913F-HRTimelineGroup
FRED ALGER MANAGEMENT, LLCin group FRED ALGER MANAGEMENT, LLC306,833$10.6M0.04%new13F-HRTimelineGroup
Pictet Asset Management Holding SAin group Pictet Asset Management Holdi…291,023$9.84M0.01%+13,69013F-HRTimelineGroup
Nuveen, LLCin group TIAA278,336$9.6M<0.01%-32,01813F-HRTimelineGroup
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC274,163$9.46M<0.01%+7,13613F-HRTimelineGroup
SILVERCREST ASSET MANAGEMENT GROUP LLC272,974$9.41M0.06%-7,20313F-HRTimeline
JOHNSON & JOHNSONin group JOHNSON & JOHNSON247,598$8.54M1.69%013F-HR/ATimelineGroup
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\246,072$8.49M<0.01%+10,62613F-HRTimelineGroup
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC227,269$7.84M<0.01%+57,52113F-HRTimelineGroup
Integral Health Asset Management, LLC225,000$7.76M0.57%new13F-HRTimeline
Swiss National Bank214,100$7.38M<0.01%+4,30013F-HRTimeline
FIRST TRUST ADVISORS LPin group FIRST TRUST ADVISORS LP207,955$7.17M0.01%new13F-HRTimelineGroup
PINNACLE ASSOCIATES LTD203,314$7.01M0.09%-8,24713F-HRTimeline
WEALTH EFFECTS LLC168,450$5.81M1.87%+2,80013F-HRTimeline
Universal- Beteiligungs- und Serviceges…in group Universal- Beteiligungs- und …160,985$5.55M0.01%new13F-HRTimelineGroup
ALLIANCEBERNSTEIN L.P.155,894$5.38M<0.01%-3,17613F-HRTimeline
ExodusPoint Capital Management, LP152,327$5.25M0.07%new13F-HRTimeline
NEW YORK STATE TEACHERS RETIREMENT SYST…148,476$5.12M0.01%013F-HRTimeline
Mirae Asset Global Investments Co., Ltd.group of 2 filers holding143,365$4.94M-13,245Timeline
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC142,825$4.93M<0.01%-9,52613F-HRTimelineGroup
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC137,516$4.74M<0.01%+84,25213F-HRTimelineGroup
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC136,645$4.71M0.01%+6,35513F-HRTimelineGroup
HighTower Advisors, LLC132,889$4.58M0.01%+8,94813F-HRTimeline
CANADA LIFE ASSURANCE Coin group CANADA LIFE ASSURANCE Co129,958$4.39M0.01%+13,65313F-HRTimelineGroup
Longaeva Partners L.P.125,673$4.33M0.92%new13F-HRTimeline
Connor, Clark & Lunn Investment Managem…124,529$4.3M0.01%new13F-HRTimeline
Rafferty Asset Management, LLC114,379$3.94M0.01%-27,54613F-HRTimeline
PLATINUM INVESTMENT MANAGEMENT LTD111,022$3.83M0.25%013F-HRTimeline
PRICE T ROWE ASSOCIATES INC /MD/110,245$3.8M<0.01%+9,63713F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC109,807$3.79M<0.01%-59,23413F-HRTimelineGroup
Exome Asset Management LLC104,507$3.6M2.38%new13F-HRTimeline
CALIFORNIA STATE TEACHERS RETIREMENT SY…103,982$3.59M<0.01%+613F-HRTimeline
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…99,744$3.44M0.01%+7,33613F-HRTimelineGroup
PDT Partners, LLC90,819$3.13M0.2%-62,16913F-HRTimeline
Hudson Bay Capital Management LPin group Hudson Bay Capital Management…90,000$3.1M0.02%-170,00013F-HR/ATimelineGroup
BOOTHBAY FUND MANAGEMENT, LLC83,388$2.88M0.07%+21,44113F-HRTimeline
Pinion Investment Advisors, LLC75,000$2.85M0.78%013F-HRTimeline
Tetragon Partners GP Ltdin group Tetragon Partners GP Ltd81,841$2.82M0.41%new13F-HRTimelineGroup
ALGERT GLOBAL LLC81,310$2.8M0.05%-21,18013F-HR/ATimeline
Natixis Investment Managersgroup of 2 filers holding80,732$2.78MnewTimeline
KING LUTHER CAPITAL MANAGEMENT CORP80,640$2.78M0.01%+28,50013F-HRTimeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN80,235$2.77M<0.01%+11,86113F-HRTimelineGroup
MACQUARIE GROUP LTDin group MACQUARIE GROUP LTD72,440$2.5M<0.01%new13F-HRTimelineGroup
MetLife Investment Management, LLCin group MetLife Investment Management…71,963$2.48M0.01%013F-HRTimelineGroup
Erste Asset Management GmbHin group Erste Asset Management GmbH73,000$2.47M0.02%+26,00013F-HRTimelineGroup
State of Alaska, Department of Revenue69,568$2.4M0.02%-5,25113F-HRTimeline
M28 Capital Management LP67,400$2.32M3.42%013F-HRTimeline
COMMONWEALTH EQUITY SERVICES, LLC65,999$2.28M<0.01%+7,68913F-HRTimeline
ALPS ADVISORS INCin group ALPS ADVISORS INC65,204$2.25M0.01%-9,29313F-HRTimelineGroup
STATE OF WISCONSIN INVESTMENT BOARD64,875$2.24M0.01%+11513F-HRTimeline
Louisiana State Employees Retirement Sy…63,600$2.19M0.04%+4,90013F-HRTimeline
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …63,000$2.17M<0.01%-99913F-HRTimelineGroup
State of Tennessee, Department of Treas…54,550$1.88M0.01%013F-HRTimeline
Jain Global LLC53,957$1.86M0.02%new13F-HRTimeline
Creative Planningin group Creative Planning52,006$1.79M<0.01%+6,34413F-HRTimelineGroup
CITIGROUP INCin group CITIGROUP INC51,582$1.78M<0.01%-89,20413F-HRTimelineGroup
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS50,964$1.76M<0.01%+17,14013F-HRTimelineGroup
LPL Financial LLC50,164$1.73M<0.01%+6,99613F-HRTimeline
ADAR1 Capital Management, LLCin group ADAR1 Capital Management, LLC49,800$1.72M0.17%-5,40013F-HRTimelineGroup
WELLINGTON MANAGEMENT GROUP LLPin group WELLINGTON MANAGEMENT GROUP L…49,442$1.71M<0.01%+1,15713F-HRTimelineGroup
VICTORY CAPITAL MANAGEMENT INC45,169$1.56M<0.01%-2,52013F-HRTimeline
SG Americas Securities, LLC45,066$1.55M0.01%+36,36813F-HRTimeline
YOUSIF CAPITAL MANAGEMENT, LLC43,566$1.5M0.02%-4,16913F-HRTimeline
China Universal Asset Management Co., L…42,234$1.46M0.12%+14,49713F-HRTimeline
Focus Partners Wealthin group Focus Partners Wealth22,110$1.41M<0.01%+4,31513F-HRTimelineGroup
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA40,682$1.4M<0.01%-359,52813F-HRTimelineGroup
GUGGENHEIM CAPITAL LLCin group GUGGENHEIM CAPITAL LLC40,361$1.39M0.01%-10,45713F-HRTimelineGroup
AMALGAMATED BANK39,413$1.36M0.01%+3,87013F-HRTimeline
NOMURA HOLDINGS INCin group NOMURA ASSET MANAGEMENT CO LTD39,218$1.35M0.01%+25,73313F-HRTimelineGroup
COMERICA BANK38,960$1.34M0.01%-4,47213F-HRTimeline
Handelsbanken Fonder AB37,300$1.29M<0.01%013F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.58,173$1.29M<0.01%+46,30013F-HRTimelineGroup
NEW YORK STATE COMMON RETIREMENT FUND37,179$1.28M<0.01%+20013F-HRTimeline
DekaBank Deutsche Girozentrale37,844$1.27M<0.01%013F-HRTimeline
Zurcher Kantonalbank (Zurich Cantonalba…36,775$1.27M<0.01%+3,25813F-HRTimeline
INTECH INVESTMENT MANAGEMENT LLC36,382$1.25M0.01%-24,15213F-HRTimeline
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCH…35,210$1.21M0.01%+2,94513F-HRTimeline
CAPITAL FUND MANAGEMENT S.A.35,140$1.21M0.01%-191,22513F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\34,392$1.19M<0.01%-1113F-HRTimelineGroup
Tidal Investments LLCin group Tidal Investments LLC34,118$1.18M<0.01%-1,65713F-HRTimelineGroup
Police & Firemen's Retirement System of…34,029$1.17M0.01%+6,69013F-HRTimeline
Verition Fund Management LLC33,203$1.15M0.01%+9,87213F-HRTimeline
TEACHERS RETIREMENT SYSTEM OF THE STATE…32,955$1.14M0.01%013F-HRTimeline
ARIZONA STATE RETIREMENT SYSTEM32,661$1.13M0.01%+62013F-HRTimeline
Gotham Asset Management, LLC31,863$1.1M<0.01%+13,00013F-HRTimeline
NEOS Investment Management LLC31,795$1.1M0.01%-3,56413F-HRTimeline
Tema ETFs LLC31,795$1.1M0.09%-3,56413F-HRTimeline
OAK RIDGE INVESTMENTS LLC31,536$1.09M0.07%-39013F-HRTimeline
OREGON PUBLIC EMPLOYEES RETIREMENT FUND31,184$1.08M0.01%+2,60013F-HRTimeline
EXCHANGE TRADED CONCEPTS, LLC30,940$1.07M0.01%-15,26513F-HRTimeline
Amundiin group Amundi28,156$1.06M<0.01%+2,96213F-HRTimelineGroup
EDGEWOOD MANAGEMENT LLC30,000$1.03M<0.01%013F-HRTimeline
STATE BOARD OF ADMINISTRATION OF FLORID…29,743$1.03M<0.01%013F-HRTimeline
PROFUND ADVISORS LLC29,434$1.02M0.03%-4,45413F-HRTimeline
WINTON GROUP Ltdin group WINTON GROUP Ltd28,945$998K0.04%-12,83313F-HRTimelineGroup
PRELUDE CAPITAL MANAGEMENT, LLC28,658$988K0.08%new13F-HRTimeline
ProShare Advisors LLC27,958$964K<0.01%-4,21813F-HRTimeline
TEACHER RETIREMENT SYSTEM OF TEXAS27,039$933K<0.01%-2,59013F-HRTimeline
Aquatic Capital Management LLC25,671$885K0.02%-68,20813F-HRTimeline
KLP KAPITALFORVALTNING AS24,300$838K<0.01%013F-HRTimeline
JOHNSON INVESTMENT COUNSEL INC22,635$781K0.01%new13F-HRTimeline
TWO SIGMA INVESTMENTS, LPgroup of 2 filers holding21,734$750K-503,469Timeline
Ensign Peak Advisors, Inc21,591$745K<0.01%-26,95013F-HR/ATimeline
Virtus Investment Advisers, LLCgroup of 2 filers holding21,477$741K+36Timeline
Pine Valley Investments Ltd Liability Co21,454$740K0.04%-2713F-HRTimeline
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.20,301$700K<0.01%new13F-HRTimelineGroup
Maryland State Retirement & Pension Sys…19,876$686K0.01%-17,11613F-HRTimeline
CAPTRUST FINANCIAL ADVISORS19,822$684K<0.01%+2,78313F-HRTimeline
Walleye Capital LLCgroup of 2 filers holding19,723$680KnewTimeline
CANTOR FITZGERALD, L. P.in group CANTOR FITZGERALD, L. P.19,500$673K0.01%+2,50013F-HR/ATimelineGroup
LOS ANGELES CAPITAL MANAGEMENT LLC18,686$644K<0.01%-39,26213F-HRTimeline
MYECFO, LLC18,497$638K0.29%013F-HRTimeline
Pathstone Holdings, LLCin group Pathstone Holdings, LLC18,062$623K<0.01%+42713F-HRTimelineGroup
Corient Private Wealth LPin group Corient Private Wealth LP17,675$610K<0.01%+61913F-HRTimelineGroup
Empowered Funds, LLC17,239$595K0.01%+38413F-HRTimeline
INDEPENDENT FINANCIAL GROUP, LLC16,925$584K0.01%-17,06013F-HRTimeline
WEALTH ENHANCEMENT ADVISORY SERVICES, L…15,083$551K<0.01%-49713F-HRTimeline
FARALLON CAPITAL MANAGEMENT, L.L.C.15,800$545K<0.01%013F-HR/ATimeline
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLCin group MUTUAL OF AMERICA CAPITAL MAN…15,487$534K0.01%-65713F-HRTimelineGroup
IFP Advisors, Inc15,119$521K0.01%+25313F-HR/ATimeline
VIRGINIA RETIREMENT SYSTEMS ET Al15,000$517K<0.01%new13F-HRTimeline
ENVESTNET ASSET MANAGEMENT INCin group ENVESTNET ASSET MANAGEMENT INC14,828$511K<0.01%new13F-HRTimelineGroup
BANK OF MONTREAL /CAN/in group BANK OF MONTREAL /CAN/14,821$511K<0.01%-10,09713F-HRTimelineGroup
Mitsubishi UFJ Asset Management Co., Lt…in group Mitsubishi UFJ Trust & Bankin…14,731$508K<0.01%+2913F-HRTimelineGroup
DDFG, Inc14,728$508K0.12%013F-HRTimeline
OXFORD ASSET MANAGEMENT LLP14,396$497K0.16%new13F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION…14,208$490K<0.01%-34513F-HRTimeline
Cerity Partners LLCin group Cerity Partners LLC13,901$479K<0.01%-1,96213F-HRTimelineGroup
CIBC Bancorp USA Inc.group of 2 filers holding13,860$478K+12,860Timeline
World Investment Advisors13,777$475K0.01%013F-HRTimeline
SEI INVESTMENTS COin group SEI INVESTMENTS CO13,616$470K<0.01%+19413F-HRTimelineGroup
MOODY LYNN LIEBERSON & WALKER, LLC13,500$466K0.03%013F-HRTimeline
NEUBERGER BERMAN GROUP LLCin group NEUBERGER BERMAN GROUP LLC13,385$462K<0.01%+73313F-HRTimelineGroup
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…12,884$444K<0.01%+10,18813F-HRTimelineGroup
SPHERA FUNDS MANAGEMENT LTD.in group SPHERA FUNDS MANAGEMENT LTD.12,496$431K0.1%-190,50013F-HRTimelineGroup
CWM, LLCin group CWM, LLC12,179$420K<0.01%+76413F-HRTimelineGroup
Wealth Architects, LLC12,149$419K0.04%-11213F-HRTimeline
Advantage Alpha Capital Partners LP11,780$406K0.12%-1,15813F-HRTimeline
Cresset Asset Management, LLC11,692$403K<0.01%new13F-HR/ATimeline
Arrowroot Family Office, LLC11,300$390K0.16%013F-HRTimeline
Vanguard Capital Wealth Advisors11,285$389K0.31%new13F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Quantbot Technologies LP11,197$386K0.01%new13F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…10,924$377K<0.01%+32613F-HRTimelineGroup
Private Advisor Group, LLC10,763$371K<0.01%-50013F-HRTimeline
W1M Asset Management Ltd10,700$369K0.03%new13F-HRTimeline
NJ State Employees Deferred Compensatio…10,500$362K0.04%013F-HRTimeline
IvyRock Asset Management (HK) Ltd10,500$362K0.16%new13F-HRTimeline
Entropy Technologies, LP10,473$361K0.03%new13F-HRTimeline
Beaumont Financial Advisors, LLC10,323$356K0.02%+8013F-HRTimeline
STRS OHIO10,300$355K<0.01%+9,10013F-HRTimeline
Allianz Asset Management GmbHin group Allianz SE10,300$355K<0.01%new13F-HRTimelineGroup
MACKENZIE FINANCIAL CORP10,176$351K<0.01%new13F-HRTimeline
Pale Fire Capital SEin group Pale Fire Capital10,123$349K0.04%-3,44813F-HRTimelineGroup
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…10,079$348K0.01%-2,41013F-HRTimelineGroup
Summit Global Investmentsin group Summit Global Investments9,934$343K0.02%new13F-HRTimelineGroup
State of Wyoming9,519$328K0.04%+50413F-HRTimeline
XPONANCE LLC9,499$328K<0.01%new13F-HRTimeline
O'SHAUGHNESSY ASSET MANAGEMENT, LLC9,491$327K<0.01%new13F-HRTimeline
CIBC Asset Management Inc9,204$317K<0.01%new13F-HRTimeline
M&T Bank Corpin group M&T Bank Corp9,014$311K<0.01%new13F-HRTimelineGroup