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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.

Holders of 5% or more of BLZE

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Backblaze, Inc., largest stake first. The change is against the holder's previous filing.

Holders of 5% or more of BLZE
HolderLatest formStakeChangeFirst filedLatest filingFiling
BlackRock, Inc.13G/A5.30%2.89M shares–Apr 17, 20251 filingApr 17, 2025SEC

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

5 Schedule 13D and 13G filings on Backblaze, Inc., newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on BLZE
Filed (ET)FilerFormStakeChangeEvent dateFiling
May 4, 20267:27 PM ETAWM Investment Company, Inc.13G/A2.30%1.40M shares−3.10 ppfrom 5.40%Below 5%Mar 31, 2026SEC
Mar 26, 20264:07 PM ETVanguard Group Inc13G/A0.00%0 shares−5.36 ppfrom 5.36%Below 5%Mar 13, 2026SEC
Jan 30, 20261:27 PM ETVanguard Group Inc13G5.36%3.10M sharesNewDec 31, 2025SEC
Apr 17, 20259:35 AM ETBlackRock, Inc.13G/A5.30%2.89M shares–Mar 31, 2025SEC
Feb 13, 20254:33 PM ETAWM Investment Company, Inc.13G5.40%2.78M sharesNewDec 31, 2024SEC

Form 144: proposed insider sales

Notices from officers, directors and other affiliates planning to sell Backblaze, Inc. shares.

No Form 144 notices for Backblaze, Inc. are on file.