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Disclosery

BLZE BACKBLAZE INC

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COMMON STOCK (common), issuer CIK 1462056

130 managers (132 13F filers) reported a position in BLZE shares at 2025-06-30, 26,902,417 shares in all. 30 filers opened a position and 13 filers sold out during the quarter.

Managers
130
13F filers
132
New
30
Added
61
Reduced
25
Sold out
13
Shares held by filers
26,902,417

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, Q2 2025

Filers in the available 13F reports with a share position at 2025-06-30, 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.3,591,384$19.8M<0.01%+353,67313F-HRTimelineGroup
AWM Investment Company, Inc.3,064,526$16.9M1.89%+20,60013F-HRTimeline
VANGUARD GROUP INCin group VANGUARD GROUP INC2,559,474$14.1M<0.01%+136,51813F-HRTimelineGroup
AIGH Capital Management LLC1,809,096$9.95M4.67%+96,77513F-HRTimeline
Whetstone Capital Advisors, LLC1,194,879$6.57M1.86%+497,79613F-HRTimeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC1,168,558$6.43M<0.01%+139,42913F-HRTimelineGroup
First Eagle Investment Management, LLCin group First Eagle Investment Manage…1,157,390$6.37M0.01%+92,00013F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP842,480$4.63M<0.01%+156,70213F-HRTimelineGroup
Connor, Clark & Lunn Investment Managem…794,590$4.37M0.02%+98,07113F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC770,875$4.24M<0.01%-54,54713F-HRTimelineGroup
MARSHALL WACE, LLPin group MARSHALL WACE, LLP651,202$3.58M<0.01%+68,54313F-HRTimelineGroup
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA583,762$3.21M<0.01%+583,46313F-HR/ATimelineGroup
OBERWEIS ASSET MANAGEMENT INC/538,700$2.96M0.13%013F-HRTimeline
RENAISSANCE TECHNOLOGIES LLC437,916$2.41M<0.01%+50,30013F-HRTimeline
Qube Research & Technologies Ltd430,642$2.37M<0.01%+83,92213F-HRTimeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP407,643$2.24M<0.01%+24,33613F-HRTimelineGroup
P.A.W. CAPITAL CORP370,000$2.04M3.92%-30,00013F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY339,419$1.87M<0.01%-54,16713F-HRTimelineGroup
LAZARD ASSET MANAGEMENT LLCin group LAZARD ASSET MANAGEMENT LLC289,461$1.59M<0.01%+209,83813F-HRTimelineGroup
PERKINS CAPITAL MANAGEMENT INC285,525$1.57M1.58%013F-HRTimeline
LOS ANGELES CAPITAL MANAGEMENT LLC269,559$1.48M0.01%-18,92013F-HRTimeline
CastleKnight Management LP212,400$1.17M0.08%013F-HRTimeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC203,781$1.12M<0.01%-198,11613F-HRTimelineGroup
TWO SIGMA INVESTMENTS, LPgroup of 2 filers holding200,617$1.1M-49,079Timeline
BARCLAYS PLCin group BARCLAYS PLC194,012$1.07M<0.01%+69,35913F-HR/ATimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC186,230$1.02M<0.01%-75,38013F-HRTimelineGroup
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …180,609$993K<0.01%new13F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO179,492$987K<0.01%-46,02513F-HRTimelineGroup
D.A. DAVIDSON & CO.179,339$986K0.01%new13F-HRTimeline
GSA CAPITAL PARTNERS LLP172,273$948K0.07%+105,54113F-HRTimeline
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co153,180$842K<0.01%+23,18413F-HRTimelineGroup
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC146,563$806K<0.01%-7,13013F-HRTimelineGroup
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC144,290$794K<0.01%+56,01113F-HRTimelineGroup
PDT Partners, LLC131,166$721K0.04%+17,31813F-HRTimeline
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC127,466$700K<0.01%new13F-HRTimelineGroup
Cubist Systematic Strategies, LLC123,612$680K0.01%+5,41413F-HRTimeline
BRIDGEWAY CAPITAL MANAGEMENT, LLC122,800$675K0.02%-8,50013F-HRTimeline
Bank of New York Mellon Corpin group Bank of New York Mellon Corp109,178$600K<0.01%+20,23313F-HRTimelineGroup
Cerity Partners LLCin group Cerity Partners LLC109,001$600K<0.01%+3,76313F-HRTimelineGroup
XTX Topco Ltdin group XTX Topco Ltd105,243$579K0.02%+9,21313F-HRTimelineGroup
Jump Financial, LLCin group Jump Financial, LLC103,033$567K0.01%new13F-HR/ATimelineGroup
Trexquant Investment LP101,295$557K0.01%-100,27213F-HRTimeline
HSBC HOLDINGS PLCin group HSBC HOLDINGS PLC99,472$549K<0.01%+28,51713F-HRTimelineGroup
RHUMBLINE ADVISERS97,840$538K<0.01%+39,39613F-HRTimeline
Man Group plcin group Man Group plc89,073$490K<0.01%+59,94913F-HRTimelineGroup
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…85,883$472K<0.01%-49,09913F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/81,647$449K<0.01%+39,83313F-HRTimelineGroup
ALGERT GLOBAL LLC76,815$422K0.01%new13F-HR/ATimeline
ExodusPoint Capital Management, LP75,854$417K0.01%new13F-HRTimeline
Nuveen, LLCin group TIAA69,535$382K<0.01%-3,11713F-HRTimelineGroup
UBS Group AGin group UBS Group AG64,832$357K<0.01%+33,50613F-HRTimelineGroup
EntryPoint Capital, LLC62,216$342K0.17%-11,78013F-HRTimeline
Engineers Gate Manager LP60,486$333K<0.01%+10,38013F-HRTimeline
Magnetar Financial LLCin group Magnetar Financial LLC57,073$314K<0.01%new13F-HRTimelineGroup
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS56,245$309K<0.01%+6,86713F-HRTimelineGroup
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…55,389$305K<0.01%+13,25413F-HRTimelineGroup
GAGNON SECURITIES LLCin group GAGNON SECURITIES LLC55,129$303K0.06%-64413F-HRTimelineGroup
Balyasny Asset Management L.P.in group Balyasny Asset Management53,416$294K<0.01%+18,47513F-HRTimelineGroup
Cambridge Investment Research Advisors,…50,506$278K<0.01%+1,00013F-HRTimeline
Verition Fund Management LLC49,135$270K<0.01%new13F-HRTimeline
BLAIR WILLIAM & CO/IL48,194$265K<0.01%013F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\42,311$233K<0.01%+7,85413F-HRTimelineGroup
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.42,272$232K<0.01%-109,86713F-HRTimelineGroup
FOX RUN MANAGEMENT, L.L.C.41,624$229K0.04%+19,03513F-HRTimeline
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP41,140$226K<0.01%+21,23513F-HRTimelineGroup
NewEdge Advisors, LLC40,089$220K<0.01%new13F-HRTimeline
Penbrook Management LLC39,825$219K0.16%-7,45013F-HR/ATimeline
Numerai GP LLC36,614$201K0.03%new13F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…33,410$184K<0.01%+9,32413F-HRTimelineGroup
INTECH INVESTMENT MANAGEMENT LLC32,879$181K<0.01%+5,35113F-HRTimeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN32,682$180K<0.01%+2,86513F-HRTimelineGroup
Checchi Capital Advisers, LLC31,070$171K0.01%013F-HRTimeline
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…29,323$161K<0.01%+2,22913F-HRTimelineGroup
PRICE T ROWE ASSOCIATES INC /MD/26,733$148K<0.01%+7,34113F-HRTimeline
State of Tennessee, Department of Treas…25,213$139K<0.01%new13F-HRTimeline
ALLIANCEBERNSTEIN L.P.24,500$135K<0.01%new13F-HRTimeline
GAMCO Investors (Gabelli)group of 2 filers holding24,420$134K+14,400Timeline
Dynamic Technology Lab Private Ltd24,207$133K0.02%+6,26013F-HRTimeline
Campbell & CO Investment Adviser LLC22,668$125K0.01%new13F-HRTimeline
Invesco Ltd.in group Invesco Ltd.20,226$111K<0.01%+1,12413F-HRTimelineGroup
ZACKS INVESTMENT MANAGEMENT19,900$109K<0.01%new13F-HRTimeline
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …19,292$106K<0.01%+4,65013F-HRTimelineGroup
CITIGROUP INCin group CITIGROUP INC19,018$105K<0.01%-13,68113F-HRTimelineGroup
Quantbot Technologies LP17,224$94.7K<0.01%new13F-HRTimeline
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC15,631$86K<0.01%+3,92713F-HRTimelineGroup
R Squared Ltd14,899$81.9K0.05%+16913F-HRTimeline
LPL Financial LLC12,106$66.6K<0.01%new13F-HRTimeline
Regal Investment Advisors LLC11,412$62.8K<0.01%new13F-HRTimeline
ProShare Advisors LLC10,983$60.4K<0.01%new13F-HRTimeline
Police & Firemen's Retirement System of…10,810$59.5K<0.01%+2,78613F-HRTimeline
OCCUDO QUANTITATIVE STRATEGIES LP10,634$58.5K0.01%new13F-HRTimeline
PGIM Custom Harvest LLCin group PGIM INVESTMENTS LLC10,616$58.4K<0.01%-38413F-HRTimelineGroup
Summit Trail Advisors, LLC10,000$55K<0.01%013F-HRTimeline
CWM, LLCin group CWM, LLC8,957$49K<0.01%+4,01213F-HRTimelineGroup
GROUP ONE TRADING LLC8,162$44.9K<0.01%-50013F-HRTimeline
PEAK6 LLCin group PEAK6 LLC6,511$35.8K<0.01%-1,71813F-HR/ATimelineGroup
SIMPLEX TRADING, LLC6,381$35K<0.01%-5,53013F-HRTimeline
FMR LLCin group FMR LLC6,326$34.8K<0.01%-11,21813F-HRTimelineGroup
Legal & General Group Plcin group Legal & General Group Plc5,863$32.2K<0.01%+71313F-HRTimelineGroup
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…5,469$30.1K<0.01%+1,55913F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…5,293$29.1K<0.01%+3,23313F-HRTimelineGroup
VIRTUS ADVISERS, LLCin group Virtus Investment Advisers, L…4,982$27.4K0.02%-43,22113F-HR/ATimelineGroup
Covestor Ltd4,884$27K0.02%+17013F-HRTimeline
CALIFORNIA STATE TEACHERS RETIREMENT SY…3,342$18.4K<0.01%+45013F-HRTimeline
NISA INVESTMENT ADVISORS, LLC2,152$11.8K<0.01%+1,99313F-HRTimeline
AMALGAMATED BANK1,584$9K<0.01%013F-HRTimeline
NEW YORK STATE COMMON RETIREMENT FUND1,100$6.05K<0.01%013F-HR/ATimeline
CHAPMAN FINANCIAL GROUP, LLC1,000$5.5K<0.01%13F-HRTimeline
Brooklyn Investment Group807$4.44K<0.01%new13F-HR/ATimeline
True Wealth Design, LLC610$3.35K<0.01%+38913F-HRTimeline
GAMMA Investing LLC529$2.91K<0.01%+4513F-HRTimeline
TOTH FINANCIAL ADVISORY CORP501$2.76K<0.01%013F-HRTimeline
HM PAYSON & CO500$2.75K<0.01%013F-HRTimeline
SBI Securities Co., Ltd.469$2.58K<0.01%013F-HRTimeline
Fortitude Family Office, LLC348$1.91K<0.01%new13F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\256$1.41K<0.01%new13F-HRTimelineGroup
Essential Partners LLC243$1.34K<0.01%13F-HRTimeline
Farther Finance Advisors, LLC191$1.05K<0.01%new13F-HRTimeline
Sterling Capital Management LLC131$721<0.01%+9013F-HR/ATimeline
Allworth Financial LP119$655<0.01%new13F-HRTimeline
Hughes Financial Services, LLC111$594<0.01%+2813F-HRTimeline
ROTHSCHILD INVESTMENT LLC100$550<0.01%new13F-HRTimeline
Parkside Financial Bank & Trust95$523<0.01%new13F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.90$495<0.01%new13F-HR/ATimelineGroup
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…78$429<0.01%+5013F-HRTimelineGroup
Smartleaf Asset Management LLC49$268<0.01%new13F-HRTimeline
IFP Advisors, Inc31$170<0.01%+3113F-HRTimeline
Sachetta, LLC20$110<0.01%013F-HRTimeline
Clearstead Advisors, LLC1$6<0.01%new13F-HRTimeline
CONCOURSE FINANCIAL GROUP SECURITIES, I…0$0013F-HRTimelineValue filed as zero, left out of ratios. Amount filed as zero, left out of ratios.