Security key
05637B105
Backblaze, Inc. - Class A Common Stock, Par Value $0.0001 (BLZE)
CUSIP: 05637B105
Q3 2025 13F Holders as of 30 Sep 2025
- Type / Class
- Equity / Class A Common Stock, Par Value $0.0001
- Shares outstanding
- 60,876,783
- Total 13F shares
- 29,977,767
- Share change
- +2,966,632
- Total reported value
- $278,232,202
- Put/Call ratio
- 0%
- Price per share
- $9.28
- Number of holders
- 147
- Value change
- +$36,406,770
- Number of buys
- 86
- Number of sells
- 58
Report period
Q3 2025
Institutions
147
Top holders
10
BLZE full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q4 2025
Previous quarter: Q2 2025
Backblaze, Inc. SEC filings
Backblaze, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 05637B105
Recent filing periods:
Ownership snapshot
Top shareholders 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
50
Latest as of
20 Aug 2025
13F
13D/G
3/4/5
Lead comparable stake: 5.3%
13D/G row: BlackRock, Inc.
Showing first 8 of 50 holder rows.
Open remaining rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
Company
|
5.3%
from 13D/G
|
$19,752,614
3,591,384 shares
|
— | 30 Jun 2025 |
| Tina Cessna |
3/4/5
Senior VP, Engineering
|
0.3%
|
$1,413,536
184,776 shares
|
— | 20 Aug 2025 |
| Jocelyn Carter-Miller |
3/4/5
Director
|
0.17%
|
$461,859
103,556 shares
|
— | 27 May 2025 |
| Earl E. Fry |
3/4/5
Director
|
0.16%
|
$527,675
99,001 shares
|
— | 27 May 2025 |
| An Evelyn D. |
3/4/5
Director
|
0.16%
|
$441,544
99,001 shares
|
— | 27 May 2025 |
| Barbara H. Nelson |
3/4/5
Director
|
0.14%
|
$390,499
87,556 shares
|
— | 27 May 2025 |
| AWM Investment Company, Inc. |
13F
Company
|
5%
|
$16,854,893
3,064,526 shares
|
— | 30 Jun 2025 |
| VANGUARD GROUP INC |
13F
Company
|
4.2%
|
$14,077,108
2,559,474 shares
|
— | 30 Jun 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 Q3 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
147
Shares
29,977,767
Rows loaded
148
| 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. An asterisk next to the price means the price is likely invalid.
Compare Q3 2025 vs Q2 2025 Across Filers
Q2 2025 holders
130
Q3 2025 holders
147
Holder diff
17
| Investor | Q2 2025 Shares | Q3 2025 Shares | Share Diff | Share Chg % | Q2 2025 value | Q3 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend