Backblaze Inc
Ownership
Ownership Structure
Who owns Backblaze Inc (BLZE)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 95.9% of the shares are freely tradable; institutional investors hold 48.9%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 5.95 | 3,683,899 | -1.5 | 03/31/2026 |
| Vanguard Capital Management, LLC | 3.79 | 2,344,447 | +0.0 | 03/31/2026 |
| Acadian Asset Management LLC | 2.65 | 1,638,568 | +2,332.3 | 03/31/2026 |
| Awm Investment Company Inc | 2.26 | 1,400,166 | -54.4 | 03/31/2026 |
| Geode Capital Management, LLC | 2.17 | 1,345,193 | +0.2 | 03/31/2026 |
| Pillsbury Lake Capital LLC | 2.16 | 1,339,837 | -31.7 | 06/30/2026 |
| Renaissance Technologies Corp | 1.89 | 1,172,657 | +44.6 | 03/31/2026 |
| State Street Corp | 1.80 | 1,112,650 | +5.0 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 2.93 | 1,812,905 | +2.5 | 07/31/2026 |
| iShares Russell 2000 ETF | 2.45 | 1,519,145 | -0.6 | 08/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Budman Gleb | CEO and Chairperson | 2,192,103 | 30,251,021 $ | Aug 21, 2026 | direct |
| Suidan Marc | Chief Financial Officer | 349,518 | 4,823,348 $ | Aug 21, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 21, 2026 | Budman Gleb | CEO and Chairperson | Sell | 12,855 | 15.82 | 203,366 |
| Aug 21, 2026 | Suidan Marc | Chief Financial Officer | Sell | 2,110 | 15.82 | 33,380 |
| Aug 20, 2026 | Budman Gleb | CEO and Chairperson | Other | 11,083 | 16.24 | 179,988 |
| Aug 20, 2026 | Suidan Marc | Chief Financial Officer | Other | 11,083 | 16.24 | 179,988 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 17, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.