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Disclosery

BAND BANDWIDTH INC

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COM CL A (common), issuer CIK 1514416

150 managers (155 13F filers) reported a position in BAND shares at 2026-03-31, 23,925,434 shares in all. 22 filers opened a position and 25 filers sold out during the quarter.

Managers
150
13F filers
155
New
22
Added
60
Reduced
48
Sold out
25
Shares held by filers
23,925,434

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
BlackRock, Inc.in group BlackRock, Inc.2,957,708$52.7M<0.01%+85,44213F-HRTimelineGroup
VANGUARD GROUP INCgroup of 4 filers holding2,024,395$36.1MnewTimeline
CYPRESS POINT INVESTMENT MANAGEMENT LP1,583,199$28.2M6.65%+75,06313F-HRTimeline
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP1,551,508$27.6M0.01%+91,81213F-HRTimelineGroup
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC832,688$14.8M0.02%+23,68313F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP723,295$12.9M<0.01%+73,86913F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC693,460$12.4M<0.01%+29,90813F-HRTimelineGroup
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …688,430$12.3M0.01%+516,11713F-HRTimelineGroup
RENAISSANCE TECHNOLOGIES LLC644,981$11.5M0.02%+26,08113F-HRTimeline
Archon Capital Management LLC583,122$10.4M5.86%+136,22513F-HRTimeline
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC579,624$10.3M<0.01%-12,92913F-HR/ATimelineGroup
FMR LLCin group FMR LLC524,088$9.34M<0.01%-21,49713F-HRTimelineGroup
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP493,932$8.8M0.01%+253,04213F-HRTimelineGroup
Assenagon Asset Management S.A.491,873$8.77M0.01%+166,42313F-HRTimeline
Connor, Clark & Lunn Investment Managem…467,486$8.33M0.02%-61,49813F-HRTimeline
Dana Investment Advisors, Inc.448,239$7.99M0.24%-1,01713F-HRTimeline
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC443,592$7.9M<0.01%+16,11813F-HRTimelineGroup
CSM Advisors, LLC433,988$7.73M0.19%+88,17513F-HRTimeline
WELLINGTON MANAGEMENT GROUP LLPin group WELLINGTON MANAGEMENT GROUP L…381,711$6.8M<0.01%-55,41413F-HRTimelineGroup
Bastion Asset Management Inc.393,263$6.59M2.01%new13F-HRTimeline
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC364,939$6.5M<0.01%-244,82313F-HRTimelineGroup
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.349,860$6.23M<0.01%-37,04813F-HRTimelineGroup
Nuveen, LLCin group TIAA349,175$6.22M<0.01%-10,53613F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY251,700$4.49M<0.01%+6,45013F-HRTimelineGroup
Parcion Private Wealth LLC244,488$4.36M0.27%+7,66113F-HRTimeline
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co233,684$4.16M<0.01%-68,83813F-HRTimelineGroup
BRIDGEWAY CAPITAL MANAGEMENT, LLC229,432$4.09M0.08%+13,96113F-HRTimeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP227,160$4.05M<0.01%+11,55613F-HRTimelineGroup
BARCLAYS PLCin group BARCLAYS PLC223,516$3.98M<0.01%-28,76813F-HRTimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC220,849$3.94M<0.01%+190,56113F-HRTimelineGroup
UBS Group AGgroup of 2 filers holding214,371$3.82M+8,692Timeline
ALGERT GLOBAL LLC196,277$3.5M0.05%+29,19013F-HR/ATimeline
ALLIANCEBERNSTEIN L.P.214,692$3.32M<0.01%+100,08213F-HRTimeline
Palogic Value Management, L.P.185,002$3.3M1.44%-10,23613F-HRTimeline
JACOBS LEVY EQUITY MANAGEMENT, INC180,619$3.22M0.01%-189,17113F-HRTimeline
HERALD INVESTMENT MANAGEMENT Ltd175,000$3.12M0.43%-35,00013F-HRTimeline
Empowered Funds, LLC154,432$2.75M0.02%+13,96113F-HR/ATimeline
PANAGORA ASSET MANAGEMENT INC154,282$2.75M0.01%+1,73913F-HRTimeline
ANTIPODES PARTNERS Ltd148,905$2.65M0.05%new13F-HRTimeline
BANK OF MONTREAL /CAN/in group BANK OF MONTREAL /CAN/145,517$2.59M<0.01%-10613F-HRTimelineGroup
NANO CAP NEW MILLENNIUM GROWTH FUND L P132,500$2.36M2.21%+27,50013F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/130,599$2.33M<0.01%+59,59713F-HRTimelineGroup
Trexquant Investment LP118,845$2.12M0.02%+57,01813F-HRTimeline
Jump Financial, LLCin group Jump Financial, LLC113,800$2.03M0.03%new13F-HRTimelineGroup
SUSQUEHANNA INTERNATIONAL GROUP, LLPgroup of 3 filers holding106,777$1.9M-30,136Timeline
Bank of New York Mellon Corpin group Bank of New York Mellon Corp103,573$1.85M<0.01%+22413F-HRTimelineGroup
Man Group plcin group Man Group plc102,228$1.82M<0.01%new13F-HRTimelineGroup
Blue Trust, Inc.97,742$1.74M0.02%new13F-HRTimeline
HSBC HOLDINGS PLCin group HSBC HOLDINGS PLC92,804$1.71M<0.01%+31,56513F-HRTimelineGroup
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC89,847$1.6M<0.01%+69,82513F-HRTimelineGroup
Quantinno Capital Management LP76,836$1.37M<0.01%+54,77113F-HRTimeline
Invesco Ltd.in group Invesco Ltd.68,078$1.21M<0.01%+1,09013F-HRTimelineGroup
LAKEWOOD CAPITAL MANAGEMENT, LPin group LAKEWOOD CAPITAL MANAGEMENT, …65,721$1.17M0.08%-115,00013F-HRTimelineGroup
FRANKLIN RESOURCES INCin group Franklin Resources64,638$1.15M<0.01%+6,49713F-HRTimelineGroup
MERCER GLOBAL ADVISORS INC /ADV62,838$1.12M<0.01%-39,20213F-HRTimeline
GLOBEFLEX CAPITAL L P61,083$1.09M0.16%013F-HRTimeline
Walleye Capital LLCin group Walleye Capital LLC59,997$1.07M0.01%new13F-HR/ATimelineGroup
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…56,958$1.01M<0.01%+18,15813F-HRTimelineGroup
Squarepoint Ops LLCin group Squarepoint Ops LLC45,266$807K<0.01%+34,00413F-HRTimelineGroup
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\44,695$796K<0.01%+26,35213F-HRTimelineGroup
WINTON GROUP Ltdin group WINTON GROUP Ltd41,944$747K0.03%new13F-HRTimelineGroup
PRINCIPAL FINANCIAL GROUP INCin group PRINCIPAL FINANCIAL GROUP INC41,626$742K<0.01%+13,95913F-HRTimelineGroup
IEQ CAPITAL, LLC37,847$674K<0.01%+1,59113F-HRTimeline
PRICE T ROWE ASSOCIATES INC /MD/37,051$661K<0.01%+7,15513F-HRTimeline
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC36,185$645K<0.01%-19313F-HRTimelineGroup
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS35,646$635K<0.01%-2,03113F-HRTimelineGroup
VICTORY CAPITAL MANAGEMENT INC34,906$622K<0.01%+1,45613F-HRTimeline
RHUMBLINE ADVISERS34,512$615K<0.01%-48813F-HRTimeline
Qube Research & Technologies Ltd33,814$603K<0.01%-142,71913F-HRTimeline
Campbell & CO Investment Adviser LLC32,785$584K0.03%-9,72613F-HRTimeline
STATE OF WISCONSIN INVESTMENT BOARD30,535$544K<0.01%+11,30013F-HRTimeline
MBL Wealth, LLC29,113$519K0.04%+113F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC27,822$496K<0.01%new13F-HRTimelineGroup
Numerai GP LLC26,388$470K0.05%new13F-HRTimeline
CWM, LLCin group CWM, LLC20,958$373K<0.01%+3,56913F-HRTimelineGroup
BAILARD, INC.20,600$367K0.01%+3,40013F-HRTimeline
CANADA PENSION PLAN INVESTMENT BOARD19,800$353K<0.01%013F-HRTimeline
BETO FINANCIAL GROUP, LLC6,240$303K0.18%new13F-HRTimeline
GUGGENHEIM CAPITAL LLCin group GUGGENHEIM CAPITAL LLC16,494$294K<0.01%new13F-HRTimelineGroup
MEEDER ASSET MANAGEMENT INCin group Meeder Advisory Services, Inc.15,515$276K0.02%013F-HRTimelineGroup
MetLife Investment Management, LLCin group MetLife Investment Management…15,426$275K<0.01%-37013F-HRTimelineGroup
Mariner, LLCin group Mariner, LLC14,955$266K<0.01%+1,66013F-HRTimelineGroup
WEALTH ENHANCEMENT ADVISORY SERVICES, L…14,518$262K<0.01%+2,25513F-HRTimeline
MARTINGALE ASSET MANAGEMENT L P13,600$242K0.01%-35,85913F-HRTimeline
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…13,161$235K<0.01%+30613F-HRTimelineGroup
Cerity Partners LLCin group Cerity Partners LLC12,961$231K<0.01%+1,09613F-HRTimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN12,471$222K<0.01%-20,43413F-HR/ATimelineGroup
IMC-Chicago, LLC12,256$218K<0.01%new13F-HRTimeline
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO12,135$209K<0.01%-11,27413F-HR/ATimelineGroup
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC11,171$199K<0.01%new13F-HRTimelineGroup
State of Tennessee, Department of Treas…10,822$193K<0.01%new13F-HRTimeline
DIVERSIFIED TRUST CO10,327$184K<0.01%new13F-HRTimeline
Balyasny Asset Management L.P.in group Balyasny Asset Management10,027$179K<0.01%new13F-HRTimelineGroup
CX Institutional8,564$153K<0.01%+32713F-HRTimeline
Mitsubishi UFJ Asset Management Co., Lt…in group Mitsubishi UFJ Trust & Bankin…7,474$133K<0.01%+56713F-HRTimelineGroup
Police & Firemen's Retirement System of…7,309$130K<0.01%013F-HRTimeline
New Age Alpha Advisors, LLC6,115$109K0.01%-1,46613F-HRTimeline
HARBOR CAPITAL ADVISORS, INC.5,908$105K0.01%-4,23513F-HRTimeline
NEW YORK STATE COMMON RETIREMENT FUND5,698$102K<0.01%013F-HRTimeline
Essential Partners LLC4,993$89K0.03%+13013F-HRTimeline
State of Wyoming4,952$88.2K0.01%-3,80413F-HRTimeline
CITIGROUP INCin group CITIGROUP INC4,233$75.4K<0.01%-8913F-HRTimelineGroup
Legal & General Group Plcin group Legal & General Group Plc2,440$43.5K<0.01%-13113F-HRTimelineGroup
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION…2,390$43K<0.01%013F-HRTimeline
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…2,355$42K<0.01%013F-HRTimelineGroup
Allworth Financial LP2,348$41.8K<0.01%+1,99213F-HRTimeline
GROUP ONE TRADING LLC2,214$39.5K<0.01%-2,06913F-HRTimeline
Covestor Ltd1,920$34K0.02%-56313F-HRTimeline
CALIFORNIA STATE TEACHERS RETIREMENT SY…1,496$26.7K<0.01%-20513F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…1,336$23.8K<0.01%-17913F-HRTimelineGroup
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA1,334$23K<0.01%-49313F-HRTimelineGroup
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP1,334$22.5K<0.01%-34413F-HRTimelineGroup
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…1,231$21.9K<0.01%+3913F-HR/ATimelineGroup
State of Alaska, Department of Revenue882$15K<0.01%013F-HRTimeline
Sterling Capital Management LLC741$13.2K<0.01%-51913F-HRTimeline
NISA INVESTMENT ADVISORS, LLC696$12.4K<0.01%-51213F-HRTimeline
Optiver Holding B.V.in group Optiver Holding B.V.629$11.2K<0.01%+40213F-HR/ATimelineGroup
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.538$9.6K<0.01%013F-HRTimelineGroup
IFP Advisors, Inc528$9.41K<0.01%-3113F-HRTimeline
Versant Capital Management, Inc466$8.3K<0.01%-14213F-HRTimeline
QUADRANT CAPITAL GROUP LLC278$4.95K<0.01%new13F-HR/ATimeline
GAMMA Investing LLC244$4.35K<0.01%-38113F-HRTimeline
Larson Financial Group LLC232$4.13K<0.01%013F-HRTimeline
Farther Finance Advisors, LLC194$3.48K<0.01%+6813F-HRTimeline
Turim 21 Investimentos Ltda.162$2.89K<0.01%013F-HRTimeline
ADIRONDACK TRUST CO130$2.31K<0.01%013F-HRTimeline
Arax Advisory Partners122$2.17K<0.01%+3913F-HRTimeline
SBI Securities Co., Ltd.119$2.12K<0.01%+3913F-HRTimeline
LOS ANGELES CAPITAL MANAGEMENT LLC117$2.08K<0.01%-14,66013F-HRTimeline
True Wealth Design, LLC108$1.93K<0.01%-9013F-HRTimeline
SIGNATUREFD, LLC106$1.89K<0.01%013F-HRTimeline
JPL Wealth Management, LLC86$1.53K<0.01%new13F-HR/ATimeline
Root Financial Partners, LLC67$1.19K<0.01%new13F-HRTimeline
SIMPLEX TRADING, LLC66$1.18K<0.01%-92713F-HRTimeline
Advisory Services Network, LLC65$1.16K<0.01%new13F-HRTimeline
ROTHSCHILD INVESTMENT LLC51$909<0.01%+1613F-HRTimeline
Compagnie Lombard Odier SCmA40$713<0.01%013F-HRTimeline
MAI Capital Management32$571<0.01%new13F-HRTimeline
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…28$499<0.01%013F-HRTimelineGroup
Wealth Preservation Advisors, LLC26$463<0.01%+2313F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…23$410<0.01%-28813F-HRTimelineGroup
Clearstead Advisors, LLC20$357<0.01%-313F-HRTimeline
MB, LEVIS & ASSOCIATES, LLC19$339<0.01%013F-HRTimeline
Sunbelt Securities, Inc.17$303<0.01%-1113F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\16$285<0.01%013F-HRTimelineGroup
Bogart Wealth, LLC15$267<0.01%new13F-HRTimeline
JFS WEALTH ADVISORS, LLC6$107<0.01%013F-HRTimeline
FIRST HORIZON CORP1$18<0.01%013F-HRTimeline
HUNTINGTON NATIONAL BANKin group HUNTINGTON NATIONAL BANK1$18<0.01%013F-HRTimelineGroup
Measured Wealth Private Client Group, L…1$18<0.01%013F-HRTimeline