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Disclosery

PI IMPINJ INC

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COM (common), issuer CIK 1114995

322 managers (328 13F filers) reported a position in PI shares at 2025-12-31, 32,104,168 shares in all. 53 filers opened a position and 58 filers sold out during the quarter.

Managers
322
13F filers
328
New
53
Added
126
Reduced
90
Sold out
58
Shares held by filers
32,104,168

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 2025

Filers in the available 13F reports with a share position at 2025-12-31, 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
FMR LLCin group FMR LLC4,500,084$783M0.04%+161,53913F-HRTimelineGroup
BlackRock, Inc.in group BlackRock, Inc.4,266,969$742M0.01%+168,61713F-HRTimelineGroup
VANGUARD GROUP INCgroup of 2 filers holding3,468,416$604M+85,979Timeline
Capital International Investorsin group Capital International Investo…1,564,251$272M0.04%013F-HRTimelineGroup
Invesco Ltd.in group Invesco Ltd.1,287,879$224M0.02%+78,58713F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP1,276,893$222M0.01%+124,79213F-HRTimelineGroup
SYLEBRA CAPITAL LLC1,132,152$197M17.08%-697,10813F-HRTimeline
Whale Rock Capital Management LLC887,272$154M1.97%-337,31313F-HRTimeline
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC841,060$146M0.03%+173,46813F-HRTimelineGroup
Capital World Investors754,346$131M0.02%013F-HRTimeline
Driehaus Capital Management LLC737,474$128M0.87%+222,97413F-HRTimeline
PRICE T ROWE ASSOCIATES INC /MD/692,596$121M0.01%+18,26313F-HRTimeline
Chevy Chase Trust Holdings, LLCin group Chevy Chase Trust Holdings, L…681,915$119M0.32%-9,37913F-HRTimelineGroup
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC679,585$118M0.06%+298,99213F-HRTimelineGroup
UBS Group AGgroup of 2 filers holding678,800$118M-31,210Timeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC667,647$116M0.01%+42,79213F-HRTimelineGroup
NORGES BANK317,313$55.2M0.01%new13F-HRTimeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP288,974$50.3M0.01%-17,80613F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC286,364$49.8M0.01%+18,52213F-HR/ATimelineGroup
MORGAN STANLEYin group MORGAN STANLEY271,748$47.3M<0.01%-408,95413F-HR/ATimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co266,040$46.3M0.01%+9,88213F-HRTimelineGroup
EMERALD ADVISERS, LLCgroup of 2 filers holding258,289$44.9M+13,727Timeline
JENNISON ASSOCIATES LLC242,504$42.2M0.03%-5,04113F-HRTimeline
Nuveen, LLCin group TIAA214,861$37.4M0.01%-34,04813F-HRTimelineGroup
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC212,003$36.9M0.1%+11,39813F-HRTimeline
BNP PARIBAS ASSET MANAGEMENT Holding S.…in group BNP PARIBAS ASSET MANAGEMENT …148,592$33.3M0.04%+148,34613F-HRTimelineGroup
T. Rowe Price Investment Management, In…183,669$32M0.02%+20,17813F-HR/ATimeline
AWM Investment Company, Inc.178,173$31M2.99%013F-HRTimeline
Allspring Global Investments Holdings, …in group Allspring Global Investments …170,082$30.6M0.05%-2,34513F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO171,094$29.8M<0.01%+95,92913F-HRTimelineGroup
ROYCE & ASSOCIATES LP167,882$29.2M0.3%-1,91713F-HRTimeline
Bank of New York Mellon Corpin group Bank of New York Mellon Corp144,861$25.2M<0.01%+1,67213F-HRTimelineGroup
NEUBERGER BERMAN GROUP LLCin group NEUBERGER BERMAN GROUP LLC130,717$22.7M0.02%+72,86713F-HRTimelineGroup
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS128,624$22.4M0.01%+122,12813F-HRTimelineGroup
PRINCIPAL FINANCIAL GROUP INCgroup of 2 filers holding128,149$22.3M+2,949Timeline
Aperture Investors, LLC117,118$20.4M2.85%new13F-HRTimeline
Polar Asset Management Partners Inc.108,811$18.9M0.38%+23,30013F-HRTimeline
OBERWEIS ASSET MANAGEMENT INC/107,120$18.6M0.68%013F-HRTimeline
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC105,932$18.1M0.01%+4,47213F-HRTimelineGroup
BAILLIE GIFFORD & COin group BAILLIE GIFFORD & CO102,753$17.9M0.01%new13F-HRTimelineGroup
ALLIANCEBERNSTEIN L.P.96,911$16.9M0.01%-6,33113F-HRTimeline
WELLINGTON MANAGEMENT GROUP LLPin group WELLINGTON MANAGEMENT GROUP L…93,362$16.2M<0.01%+7,96813F-HRTimelineGroup
Public Sector Pension Investment Board92,712$16.1M0.05%-8,24213F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\92,013$16M0.01%+7,85613F-HRTimelineGroup
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…91,652$15.9M0.03%+2,50013F-HR/ATimelineGroup
Tidal Investments LLCin group Tidal Investments LLC82,167$14.3M0.06%+3,55513F-HRTimelineGroup
Squarepoint Ops LLCin group Squarepoint Ops LLC74,832$13M0.03%new13F-HRTimelineGroup
Universal- Beteiligungs- und Serviceges…in group Universal- Beteiligungs- und …70,426$12.2M0.02%+24,34613F-HRTimelineGroup
CREDIT AGRICOLE S Ain group CREDIT AGRICOLE S A70,228$12.2M0.03%+20,99613F-HRTimelineGroup
RHUMBLINE ADVISERS69,396$12.1M0.01%-2,35313F-HRTimeline
Toronado Partners, LLC68,775$12M11.43%-32,02013F-HRTimeline
Aberdeen Group plcin group Aberdeen Group plc68,387$11.9M0.02%+45,11213F-HRTimelineGroup
Legal & General Group Plcin group Legal & General Group Plc67,523$11.7M<0.01%-1,24013F-HRTimelineGroup
MARSHALL WACE, LLPin group MARSHALL WACE, LLP66,400$11.6M0.01%+62,24213F-HRTimelineGroup
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…63,327$11M0.02%-4,60713F-HRTimelineGroup
STATE OF WISCONSIN INVESTMENT BOARD59,265$10.3M0.02%+4,65913F-HRTimeline
Stephens Investment Management Group LLCin group Stephens Investment Managemen…58,326$10.1M0.13%+22,57913F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/55,575$9.67M<0.01%-16,71713F-HRTimelineGroup
Swiss National Bank54,600$9.5M0.01%+4,00013F-HRTimeline
FIRST TRUST ADVISORS LPin group FIRST TRUST ADVISORS LP54,429$9.47M0.01%+33,33913F-HRTimelineGroup
SEI INVESTMENTS COin group SEI INVESTMENTS CO52,993$9.22M0.01%+7,14213F-HRTimelineGroup
RENAISSANCE GROUP LLC52,756$9.18M0.37%-3,47813F-HRTimeline
FRED ALGER MANAGEMENT, LLCin group FRED ALGER MANAGEMENT, LLC50,596$8.8M0.03%-85,18613F-HRTimelineGroup
Granite Investment Partners, LLC50,533$8.79M0.52%-30,14013F-HRTimeline
SEGALL BRYANT & HAMILL, LLC49,413$8.6M0.12%new13F-HRTimeline
Niles Investment Management, LLC46,939$8.17M6.79%13F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC43,502$7.57M<0.01%+5,59213F-HRTimelineGroup
TUDOR INVESTMENT CORP ET AL42,663$7.42M0.04%new13F-HRTimeline
PEREGRINE INVESTMENT MANAGEMENT INC40,642$7.07M4.39%-12,03113F-HRTimeline
CASTLEARK MANAGEMENT LLC40,540$7.05M0.21%new13F-HRTimeline
Walleye Capital LLCin group Walleye Capital LLC40,446$7.04M0.04%new13F-HRTimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN39,325$6.84M<0.01%+15,19013F-HRTimelineGroup
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…38,308$6.67M0.01%-34513F-HRTimelineGroup
NORDEA INVESTMENT MANAGEMENT ABin group NORDEA INVESTMENT MANAGEMENT …39,116$6.65M0.01%-5,64613F-HRTimelineGroup
VICTORY CAPITAL MANAGEMENT INC36,426$6.34M<0.01%+20,27813F-HRTimeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPgroup of 2 filers holding34,519$6.01M+28,068Timeline
Z3 Capital Partners, LLC34,293$5.97M1.43%13F-HRTimeline
WEALTH ENHANCEMENT ADVISORY SERVICES, L…29,889$5.78M0.01%+13,75913F-HRTimeline
Verition Fund Management LLC32,270$5.62M0.03%+86113F-HRTimeline
KBC Group NVin group KBC Group NV32,052$5.58M0.01%013F-HRTimelineGroup
Hel Ved Capital Management Ltd31,825$5.54M1.91%+1,77513F-HRTimeline
ExodusPoint Capital Management, LP31,551$5.49M0.06%-33,77213F-HRTimeline
Polar Capital Holdings Plcin group Polar Capital Holdings Plc30,105$5.24M0.02%-64,85813F-HRTimelineGroup
KENNEDY CAPITAL MANAGEMENT LLC28,169$4.9M0.1%+14713F-HRTimeline
Lisanti Capital Growth, LLC27,406$4.77M1.13%-9,94513F-HRTimeline
CALIFORNIA STATE TEACHERS RETIREMENT SY…26,224$4.56M<0.01%+1,65013F-HRTimeline
COOPER CREEK PARTNERS MANAGEMENT LLC25,905$4.51M0.21%013F-HRTimeline
GILDER GAGNON HOWE & CO LLC25,352$4.41M0.05%+8313F-HRTimeline
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC25,080$4.36M0.01%-82513F-HRTimelineGroup
Mitsubishi UFJ Asset Management Co., Lt…in group Mitsubishi UFJ Trust & Bankin…23,374$4.2M<0.01%+7,97413F-HRTimelineGroup
FRANKLIN RESOURCES INCin group Franklin Resources23,413$4.07M<0.01%-5613F-HRTimelineGroup
RENAISSANCE TECHNOLOGIES LLC22,800$3.97M0.01%new13F-HRTimeline
CITIGROUP INCin group CITIGROUP INC22,770$3.96M<0.01%+11,08913F-HRTimelineGroup
ALGERT GLOBAL LLC22,672$3.95M0.06%-5,73113F-HR/ATimeline
CANADA LIFE ASSURANCE Coin group CANADA LIFE ASSURANCE Co22,587$3.93M0.01%-4,19213F-HRTimelineGroup
BESSEMER GROUP INCin group BESSEMER GROUP INC22,077$3.84M0.01%+21,91013F-HRTimelineGroup
NEW YORK STATE TEACHERS RETIREMENT SYST…20,500$3.57M0.01%+3,60013F-HRTimeline
JANUS HENDERSON GROUP PLCin group Janus Henderson19,991$3.48M<0.01%-230,49813F-HRTimelineGroup
Creative Planningin group Creative Planning19,185$3.34M<0.01%-1,82313F-HRTimelineGroup
INTECH INVESTMENT MANAGEMENT LLC18,532$3.22M0.03%+7,19413F-HRTimeline
Pachira Investments Inc.18,104$3.15M1.53%-2,40013F-HRTimeline
NEXT CENTURY GROWTH INVESTORS LLC17,444$3.04M0.21%-87,19713F-HRTimeline
Taylor Frigon Capital Management LLC17,175$2.99M1.51%-79213F-HRTimeline
LOS ANGELES CAPITAL MANAGEMENT LLC14,448$2.98M0.01%-3213F-HRTimeline
NEW YORK STATE COMMON RETIREMENT FUND17,086$2.97M<0.01%-9,57313F-HRTimeline
IRONWOOD INVESTMENT MANAGEMENT LLC16,654$2.9M1.22%-6,16713F-HRTimeline
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …16,763$2.89M<0.01%+2,49113F-HRTimelineGroup
State of New Jersey Common Pension Fund…in group State of New Jersey Common Pe…14,889$2.59M0.01%+2,24413F-HRTimelineGroup
MetLife Investment Management, LLCin group MetLife Investment Management…14,861$2.59M0.01%-32413F-HRTimelineGroup
Banco Santander, S.A.in group Banco Santander, S.A.14,624$2.54M0.02%new13F-HRTimelineGroup
State of Alaska, Department of Revenue14,592$2.54M0.03%+1,56513F-HRTimeline
VAN ECK ASSOCIATES CORPin group VAN ECK ASSOCIATES CORP14,231$2.48M<0.01%+3413F-HRTimelineGroup
CAPTRUST FINANCIAL ADVISORS13,664$2.38M<0.01%+27013F-HRTimeline
LPL Financial LLC13,497$2.35M<0.01%-84213F-HRTimeline
Louisiana State Employees Retirement Sy…12,300$2.14M0.04%+40013F-HRTimeline
Quantinno Capital Management LP12,052$2.1M<0.01%+72113F-HRTimeline
Paloma Partners Management Coin group Paloma Partners Management Co12,000$2.09M0.72%new13F-HRTimelineGroup
ENVESTNET ASSET MANAGEMENT INCin group ENVESTNET ASSET MANAGEMENT INC11,862$2.06M<0.01%-7,54713F-HRTimelineGroup
Quent Capital, LLC11,350$1.98M0.14%new13F-HRTimeline
K.J. Harrison & Partners Inc11,200$1.95M0.26%-10,00013F-HRTimeline
Generali Investments Towarzystwo Fundus…in group Generali Powszechne Towarzyst…11,000$1.91M0.93%+1,00013F-HRTimelineGroup
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC10,563$1.84M<0.01%+11713F-HRTimelineGroup
State of Tennessee, Department of Treas…12,140$1.68M0.01%+1,48113F-HRTimeline
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.9,601$1.67M<0.01%-7,62813F-HRTimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC9,448$1.64M<0.01%new13F-HRTimelineGroup
Pathstone Holdings, LLCin group Pathstone Holdings, LLC9,288$1.62M0.01%+7,85213F-HRTimelineGroup
Cambridge Investment Research Advisors,…9,277$1.61M<0.01%-40513F-HRTimeline
JAMISON PRIVATE WEALTH MANAGEMENT, INC.8,854$1.54M0.19%+1,43913F-HRTimeline
Zurcher Kantonalbank (Zurich Cantonalba…8,573$1.49M<0.01%+94513F-HRTimeline
COMERICA BANK8,549$1.49M0.01%-1,29613F-HRTimeline
KORNITZER CAPITAL MANAGEMENT INC /KS8,536$1.49M0.03%-46413F-HRTimeline
Auxano Advisors, LLC8,502$1.48M0.29%-15113F-HRTimeline
Vestmark Advisory Solutions, Inc.8,072$1.4M0.02%new13F-HRTimeline
AMALGAMATED BANK7,794$1.36M0.01%+38613F-HRTimeline
ARIZONA STATE RETIREMENT SYSTEM7,701$1.34M0.01%-713F-HRTimeline
Legato Capital Management LLC7,600$1.32M0.11%+66013F-HRTimeline
SG Americas Securities, LLC7,548$1.31M<0.01%+4,14213F-HRTimeline
STATE BOARD OF ADMINISTRATION OF FLORID…7,185$1.25M<0.01%-47713F-HRTimeline
Police & Firemen's Retirement System of…7,099$1.24M0.01%-18713F-HRTimeline
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCH…6,634$1.15M0.01%+4113F-HRTimeline
MACKENZIE FINANCIAL CORP6,746$1.14M<0.01%+5,09013F-HRTimeline
ARDSLEY ADVISORY PARTNERS LP6,500$1.13M0.14%new13F-HRTimeline
YOUSIF CAPITAL MANAGEMENT, LLC7,247$1.12M0.01%-73513F-HRTimeline
Handelsbanken Fonder AB6,400$1.11M<0.01%+40013F-HRTimeline
TEACHERS RETIREMENT SYSTEM OF THE STATE…6,379$1.11M0.01%-25813F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.6,160$1.07M<0.01%+2,46813F-HRTimelineGroup
OREGON PUBLIC EMPLOYEES RETIREMENT FUND6,123$1.07M0.01%+26013F-HRTimeline
CWM, LLCin group CWM, LLC6,021$1.05M<0.01%-37413F-HRTimelineGroup
KLP KAPITALFORVALTNING AS5,900$1.03M<0.01%+50013F-HRTimeline
Lido Advisors, LLCin group Lido Advisors, LLC5,730$1.02M<0.01%-26213F-HRTimelineGroup
SHUFRO ROSE & CO LLC5,700$992K0.07%013F-HRTimeline
TD Asset Management Inc5,684$989K<0.01%-16613F-HRTimeline
Assenagon Asset Management S.A.5,628$979K<0.01%+4,48013F-HRTimeline
VIRGINIA RETIREMENT SYSTEMS ET Al5,400$940K0.01%-10013F-HRTimeline
ProShare Advisors LLC5,231$910K<0.01%+34013F-HRTimeline
FEDERATED HERMES, INC.in group FEDERATED HERMES, INC.5,110$889K<0.01%-3213F-HRTimelineGroup
Aries Wealth Management5,000$870K0.19%013F-HRTimeline
EP Wealth Advisors, LLC4,829$840K<0.01%13F-HRTimeline
Cetera Investment Advisers4,821$839K<0.01%+49213F-HRTimeline
HighTower Advisors, LLC4,770$830K<0.01%+713F-HRTimeline
Ares Systematic Credit Ltd4,747$826K0.67%13F-HRTimeline
Regal Investment Advisors LLC4,697$817K0.05%+1513F-HRTimeline
GUGGENHEIM CAPITAL LLCin group GUGGENHEIM CAPITAL LLC4,608$802K0.01%-96513F-HRTimelineGroup
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC4,558$793K<0.01%-3,34713F-HRTimelineGroup
Kestra Advisory Services, LLCgroup of 2 filers holding4,130$719K+2,289Timeline
Pictet Asset Management Holding SAin group Pictet Asset Management Holdi…4,048$704K<0.01%+33613F-HRTimelineGroup
US BANCORP \DE\in group US BANCORP \DE\4,006$697K<0.01%+1,37813F-HRTimelineGroup
Maryland State Retirement & Pension Sys…3,929$684K0.01%+20713F-HRTimeline
Corient Private Wealth LPin group Corient Private Wealth LP3,883$675K<0.01%+18313F-HR/ATimelineGroup
ADVISORY RESEARCH INC3,873$674K0.08%+19413F-HRTimeline
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC3,646$633K<0.01%+3,15313F-HRTimelineGroup
Garde Capital, Inc.3,550$618K0.04%013F-HRTimeline
XTX Topco Ltdin group XTX Topco Ltd3,529$614K0.02%new13F-HRTimelineGroup
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…3,406$593K<0.01%+33313F-HRTimelineGroup
Odyssean, LLC3,402$592K0.43%13F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA3,387$589K<0.01%-89,51513F-HRTimelineGroup
SFE Investment Counsel3,370$586K0.09%-21513F-HRTimeline
MERCER GLOBAL ADVISORS INC /ADV3,211$559K<0.01%+99513F-HRTimeline
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP3,186$554K<0.01%+2,41413F-HRTimelineGroup
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLCin group MUTUAL OF AMERICA CAPITAL MAN…3,063$533K0.01%+16313F-HRTimelineGroup
TRUIST FINANCIAL CORPin group TRUIST FINANCIAL CORP3,018$525K<0.01%-1,55413F-HRTimelineGroup
CIBC Bancorp USA Inc.group of 2 filers holding2,946$513K+1,796Timeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…2,924$509K<0.01%-2413F-HRTimelineGroup
Keebeck Wealth Management2,903$505K0.06%-40213F-HRTimeline
KEYBANK NATIONAL ASSOCIATION/OHin group KEYBANK NATIONAL ASSOCIATION/…2,792$486K<0.01%-1013F-HRTimelineGroup
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION…2,722$474K<0.01%013F-HRTimeline
Inspire Investing, LLCin group Inspire Investing, LLC2,704$471K0.04%+15513F-HRTimelineGroup
HANCOCK WHITNEY CORP2,675$465K0.01%new13F-HRTimeline
U.S. Capital Wealth Advisors, LLC2,650$461K0.01%-25013F-HRTimeline
Graham Capital Management, L.P.2,627$457K0.02%new13F-HRTimeline
Amundiin group Amundi2,553$444K<0.01%new13F-HRTimelineGroup
Vident Advisory, LLCin group Vident Advisory, LLC2,364$411K<0.01%+25313F-HRTimelineGroup
Private Advisor Group, LLC2,354$410K<0.01%new13F-HRTimeline
Ameritas Investment Partners, Inc.group of 2 filers holding2,235$389K-320Timeline
Register Financial Advisors LLC2,200$383K0.15%013F-HRTimeline
Pacific Sage Partners, LLC2,189$381K0.06%-1013F-HRTimeline
EVENTIDE ASSET MANAGEMENT, LLC2,189$380K0.01%-68813F-HRTimeline
LAZARD ASSET MANAGEMENT LLCin group LAZARD ASSET MANAGEMENT LLC2,154$375K<0.01%013F-HRTimelineGroup
XPONANCE LLC2,138$372K<0.01%+9913F-HRTimeline
BANK OF MONTREAL /CAN/in group BANK OF MONTREAL /CAN/2,136$372K<0.01%+19313F-HRTimelineGroup