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Backblaze, Inc.

BLZE
Exchange
Nasdaq
Industry
Services-Prepackaged Software
SEC CIK
0001462056

In the last 90 days, Backblaze, Inc. insiders filed 0 open-market purchases and 2 sales; 168 institutions reported holding it in 13F filings for Q2 2026, worth $562.9M in total; no superinvestor holds it.

13F holders, Q3 2025

Institutional positions in Backblaze, Inc. as of Sep 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
150
+19 vs. Q2 2025
Shares held
30.0M
+3.10M (+11.5%) vs. Q2 2025
Total value
$278.2M
+$130.3M (+88.0%) vs. Q2 2025
New holders
40
50 more added
Sold out
21
37 more reduced

Compare with Q2 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting BLZE on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ3 2025: 150 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 37 institutionsQ1 2022: 29 institutionsQ2 2022: 29 institutionsQ3 2022: 32 institutionsQ4 2022: 31 institutionsQ1 2023: 35 institutionsQ2 2023: 38 institutionsQ3 2023: 56 institutionsQ4 2023: 72 institutionsQ1 2024: 95 institutionsQ2 2024: 95 institutionsQ3 2024: 103 institutionsQ4 2024: 119 institutionsQ1 2025: 112 institutionsQ2 2025: 131 institutionsQ3 2025: 150 institutionsQ4 2025: 144 institutionsQ1 2026: 138 institutionsQ2 2026: 168 institutions
Value heldQ3 2025: $278.2M
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $61.2MQ1 2022: $34.3MQ2 2022: $17.4MQ3 2022: $20.6MQ4 2022: $28.1MQ1 2023: $25.8MQ2 2023: $22.6MQ3 2023: $42.8MQ4 2023: $81.2MQ1 2024: $149.1MQ2 2024: $95.2MQ3 2024: $105.0MQ4 2024: $139.8MQ1 2025: $115.3MQ2 2025: $148.0MQ3 2025: $278.2MQ4 2025: $151.1MQ1 2026: $100.2MQ2 2026: $562.9M
Institutions holding BLZE and their total value by quarter
QuarterHoldersValue
Q2 2026168$562.9M
Q1 2026138$100.2M
Q4 2025144$151.1M
Q3 2025150$278.2M
Q2 2025131$148.0M
Q1 2025112$115.3M
Q4 2024119$139.8M
Q3 2024103$105.0M
Q2 202495$95.2M
Q1 202495$149.1M
Q4 202372$81.2M
Q3 202356$42.8M
Q2 202338$22.6M
Q1 202335$25.8M
Q4 202231$28.1M
Q3 202232$20.6M
Q2 202229$17.4M
Q1 202229$34.3M
Q4 202137$61.2M
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding Backblaze, Inc.; share changes are against Q2 2025.

Institutions holding BLZE in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Sunbelt Securities, Inc.14$1300.00%+14New
Sachetta, LLC20$1860.00%00.0%Unchanged
IFP Advisors, Inc45$4180.00%+14+45.2%Added
GAMMA Investing LLC60$5570.00%−469−88.7%Reduced
Hughes Financial Services, LLC111$6230.00%00.0%Unchanged
Quadrant Capital Group LLC70$6500.00%+70New
Rise Advisors, LLC93$8630.00%+93New
Raffa Wealth Management, LLC94$8720.00%+94New
Parkside Financial Bank & Trust95$8830.00%00.0%Unchanged
Rothschild Investment LLC100$9280.00%00.0%Unchanged
Jones Financial Companies LLLP117$1.12K0.00%+117New
Sterling Capital Management LLC130$1.21K0.00%−1−0.8%Reduced
EverSource Wealth Advisors, LLC195$1.81K0.00%+117+150.0%Added
Marquette Asset Management, LLC197$1.83K0.00%+197New
Northwestern Mutual Wealth Management Co200$1.86K0.00%+200New
Allworth Financial LP227$2.11K0.00%+108+90.8%Added
Smartleaf Asset Management LLC228$2.20K0.00%+179+365.3%Added
Royal Bank of Canada373$3.00K0.00%−583,389−99.9%Reduced
Essential Partners LLC350$3.25K0.00%+107+44.0%Added
Signaturefd, LLC350$3.25K0.00%+350New
Quarry LP357$3.31K0.00%+357New
Optiver Holding B.V.394$3.66K0.00%+394New
SBI Securities Co., Ltd.470$4.36K0.00%+1+0.2%Added
HM Payson & Co500$4.64K0.00%00.0%Unchanged
True Wealth Design, LLC603$5.60K0.00%−7−1.1%Reduced
Federated Hermes, Inc.645$5.99K0.00%+645New
Accredited Wealth Management, LLC22,558$6.96K0.01%+22,558New
Advisor Group Holdings, Inc.1,100$9.19K0.00%+1,010+1,122.2%Added
Chapman Financial Group, LLC1,000$9.28K0.01%00.0%Unchanged
SRS Capital Advisors, Inc.1,231$11.4K0.00%+1,231New
Amalgamated Bank1,584$15.0K0.00%00.0%Unchanged
Nisa Investment Advisors, LLC2,200$20.4K0.00%+48+2.2%Added
Citigroup Inc2,275$21.1K0.00%−16,743−88.0%Reduced
California State Teachers Retirement System3,345$31.0K0.00%+3+0.1%Added
Tower Research Capital LLC (TRC)4,295$39.9K0.00%−998−18.9%Reduced
Ameritas Investment Partners, Inc.4,475$41.5K0.00%−994−18.2%Reduced
Covestor Ltd4,864$45.0K0.02%−20−0.4%Reduced
Global Retirement Partners, LLC5,015$46.5K0.00%+5,015New
Legal & General Group Plc5,863$54.4K0.00%00.0%Unchanged
CWM, LLC8,754$81.0K0.00%−203−2.3%Reduced
Summit Trail Advisors, LLC10,000$92.8K0.00%00.0%Unchanged
Gabelli Funds LLC10,020$93.0K0.00%00.0%Unchanged
Prudential Financial Inc10,145$94.1K0.00%+10,145New
Axq Capital, LP10,322$95.8K0.04%+10,322New
Omers Administration Corp10,400$96.5K0.00%+10,400New
Voya Investment Management LLC10,555$98.0K0.00%−5,076−32.5%Reduced
Green Harvest Asset Management LLC10,616$98.5K0.00%00.0%Unchanged
Corton Capital Inc.11,055$102.6K0.25%+11,055New
New York State Common Retirement Fund11,100$103.0K0.00%+10,000+909.1%Added
Quest Partners LLC11,383$105.6K0.01%+11,383New
Regal Investment Advisors LLC11,412$105.9K0.01%00.0%Unchanged
Blair William & Co13,194$122.4K0.00%−35,000−72.6%Reduced
Gamco Investors, Inc. Et Al14,400$133.6K0.00%00.0%Unchanged
Ieq Capital, LLC14,941$138.7K0.00%+14,941New
Brevan Howard Capital Management LP15,436$143.2K0.00%+15,436New
Police & Firemen's Retirement System of New Jersey17,035$158.1K0.00%+6,225+57.6%Added
Manufacturers Life Insurance Company, The18,609$172.7K0.00%−683−3.5%Reduced
Zacks Investment Management19,900$184.7K0.00%00.0%Unchanged
GWN Securities Inc.20,060$186.2K0.04%+20,060New
Cornerstone Investment Partners, LLC21,105$195.9K0.01%+21,105New
ExodusPoint Capital Management, LP21,615$200.6K0.00%−54,239−71.5%Reduced
Polymer Capital Management (US) LLC22,353$207.4K0.03%+22,353New
Alliancebernstein L.P.24,500$227.4K0.00%00.0%Unchanged
Susquehanna International Group, LLP24,517$227.5K0.00%−61,366−71.5%Reduced
Mirae Asset Global ETFs Holdings Ltd.24,598$228.3K0.00%−4,725−16.1%Reduced
State of Tennessee, Treasury Department25,213$234.0K0.00%00.0%Unchanged
Caxton Associates LLP25,792$239.3K0.01%+25,792New
Intech Investment Management LLC27,182$252.2K0.00%−5,697−17.3%Reduced
SG Americas Securities, LLC28,233$262.0K0.00%+28,233New
Price T Rowe Associates Inc28,696$267.0K0.00%+1,963+7.3%Added
Man Group plc29,685$275.5K0.00%−59,388−66.7%Reduced
Checchi Capital Advisers, LLC31,070$288.3K0.02%00.0%Unchanged
MetLife Investment Management33,410$310.0K0.00%00.0%Unchanged
Bailard, Inc.33,900$314.6K0.01%+33,900New
Boothbay Fund Management, LLC37,466$347.7K0.01%+37,466New
Numerai GP LLC38,407$356.4K0.05%+1,793+4.9%Added
Wells Fargo & Company38,904$361.0K0.00%+6,222+19.0%Added
GWM Advisors LLC39,024$362.1K0.00%−1,065−2.7%Reduced
Virtu Financial LLC39,799$369.0K0.02%+39,799New
Invesco Ltd.40,740$378.1K0.00%+20,514+101.4%Added
Bank of America Corp41,136$381.7K0.00%−40,511−49.6%Reduced
HSBC Holdings PLC44,576$407.9K0.00%−54,896−55.2%Reduced
Round Rock Advisors, LLC39,061$410.1K0.06%+39,061New
Quantbot Technologies LP45,119$418.7K0.01%+27,895+162.0%Added
FMR LLC48,392$449.1K0.00%+42,066+665.0%Added
UBS Group AG49,219$456.8K0.00%−15,613−24.1%Reduced
Dimensional Fund Advisors LP49,730$461.5K0.00%+8,590+20.9%Added
Deutsche Bank AG49,931$463.4K0.00%+7,620+18.0%Added
Tudor Investment Corp Et Al51,257$475.7K0.00%+51,257New
Counterpoint Mutual Funds LLC51,691$479.7K0.04%+51,691New
Cambridge Investment Research Advisors, Inc.51,956$482.0K0.00%+1,450+2.9%Added
Penbrook Management LLC52,025$482.8K0.34%+12,200+30.6%Added
Semanteon Capital Management, LP54,007$501.2K0.63%+54,007New
Gagnon Securities LLC55,393$514.0K0.10%+264+0.5%Added
Manatuck Hill Partners, LLC60,000$556.8K0.19%+60,000New
Russell Investments Group, Ltd.60,912$565.3K0.00%+5,523+10.0%Added
Squarepoint Ops LLC63,306$587.5K0.00%+63,306New
XTX Topco Ltd64,653$600.0K0.03%−40,590−38.6%Reduced
Nuveen, LLC71,143$660.2K0.00%+1,608+2.3%Added
Verition Fund Management LLC73,619$683.2K0.00%+24,484+49.8%Added