BLZE: BACKBLAZE INC insider trading, 5% holders and institutional ownership

From public SEC filings: open-market insider purchases and sales (Form 4, last 180 days), holders of 5% or more (Schedules 13D and 13G) and institutional ownership (Form 13F). Insider and 5% data delayed 48 hours.

Insider trading

0 open-market buys totaling - and 0 sales totaling - in the last 180 days.

Activist and 5% holders

FiledWhatHolderStakeChangeFiling
2026-07-2713G amendmentBlackRock, Inc.7.50%SEC

Institutional ownership (Q2 2026)

168 institutions reported holding $529.46M of BACKBLAZE INC on Form 13F (138 the quarter before). 55 opened a new position and 25 sold out. Shares held by institutions: +23%.

Largest holdersSharesValue
BlackRock, Inc.4,722,483$74.90M
Driehaus Capital Management LLC2,688,044$42.63M
VANGUARD CAPITAL MANAGEMENT LLC2,514,639$39.88M
GEODE CAPITAL MANAGEMENT, LLC1,525,097$24.19M
AWM Investment Company, Inc.1,400,166$22.21M
Pillsbury Lake Capital LLC1,339,837$21.25M
STATE STREET CORP1,216,998$19.30M
Connor, Clark & Lunn Investment Management Ltd.1,156,752$18.35M
AQR CAPITAL MANAGEMENT LLC1,051,847$16.68M
Qube Research & Technologies Ltd766,200$12.15M

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