Backblaze, Inc. - Class A Common Stock, Par Value $0.0001 (BLZE)

CUSIP: 05637B105

Q4 2025 13F Holders as of 31 Dec 2025

Security identity
Security type / class
Equity / Class A Common Stock, Par Value $0.0001
Shares outstanding
60,876,783
Holder snapshot
Total 13F shares
31,979,770
Share change
+511,623
Total reported value
$149,036,219
Put/Call ratio
4.8%
Reported price per share
$4.66
Number of holders
143
Value change
-$16,861,751
Number of buys
87
Number of sells
69

Security key

05637B105

Report period

Q4 2025

Institutions

143

Top holders

10

BLZE full security history Ownership snapshot Full 13F holder table Newer quarter: Q1 2026 Previous quarter: Q3 2025 Backblaze, Inc. SEC filings Backblaze, Inc. company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Ownership snapshot

Top reported holders of BLZE - Backblaze, Inc. - Class A Common Stock, Par Value $0.0001 (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Lead holder
BlackRock, Inc.
13D/G signal
BlackRock, Inc.
Evidence rows
15
Latest as of
30 Sep 2025
13F 13D/G 3/4/5 Lead comparable stake: 5.3% 13D/G row: BlackRock, Inc. Showing 1-6 of 15 holder rows.
Holder Evidence Ownership % Position 12M Net Δ As of
BlackRock, Inc.
13F 13D/G
Company
13F 13D/G
5.3%
from 13D/G
$34,560,754
3,724,219 shares
 — 30 Sep 2025
Tina Cessna
3/4/5
Senior VP, Engineering
3/4/5
0.3%
$1,413,536
184,776 shares
 — 20 Aug 2025
Jocelyn Carter-Miller
3/4/5
Director
3/4/5
0.17%
$461,859
103,556 shares
 — 27 May 2025
Earl E. Fry
3/4/5
Director
3/4/5
0.16%
$527,675
99,001 shares
 — 27 May 2025
An Evelyn D.
3/4/5
Director
3/4/5
0.16%
$441,544
99,001 shares
 — 27 May 2025
Barbara H. Nelson
3/4/5
Director
3/4/5
0.14%
$390,499
87,556 shares
 — 27 May 2025
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q4 2025

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
143
Shares
31,979,770
Rows available
143
Investor Option Weight % Change % Reported value * Price Shares Share Change Activity Report Period

* Reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that failed the local validity check.

Compare Q4 2025 vs Q3 2025 Across Filers

Q3 2025 holders
147
Q4 2025 holders
143
Holder diff
-4
Investor Q3 2025 Shares Q4 2025 Shares Share Diff Share Chg % Q3 2025 value Q4 2025 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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