Security key
05637B105
- Security type / class
- Equity / Class A Stock
- Total 13F shares
- 29,977,767
- Total 13F value
- $278,232,202
- Share change
- +2,966,632
- Put/Call ratio
- 0%
- SEC-reported price per share
- $9.28
- Number of holders
- 147
- Value change
- +$36,406,770
- Number of buys
- 86
- Number of sells
- 58
- Shares outstanding
- 60,100,947
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q3 2025
Institutions
147
Top holders
10
BLZE full security history
Ownership snapshot
Full 13F holder table
Backblaze, Inc. SEC filings
Backblaze, Inc. company facts
Broader feeds
Ownership snapshot
Top reported holders of BLZE - Backblaze, Inc. - Class A Stock (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.
Comparable stake leader
TMT INVESTMENTS PLC
Disclosed value leader
TMT INVESTMENTS PLC
Comparable rows
0/15
Latest evidence
30 Jun 2025
3/4/5
13F
Highest disclosed value: $26,128,598
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
TMT INVESTMENTS PLC has the largest disclosed position value at $26.13M.
0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens TMT INVESTMENTS PLC's linked filing trail.
Disclosed position value
Top 5
TMT INVESTMENTS PLC
$26.13M
Kwok Hang Ng
$14.02M
Brian K. Wilson
$13.98M
Charles J. Jones
$13.73M
Whetstone Capital Advisors, LLC
$6.57M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| TMT INVESTMENTS PLC |
3/4/5
10%+ Owner
|
—
denominator unverified
|
$26,128,598
3,594,030 shares
|
— | 01 Sep 2023 |
| Kwok Hang Ng |
3/4/5
10%+ Owner
|
—
mixed-class rows
|
$14,017,056
2,495,449 shares
mixed-class rows
|
— | 23 Feb 2023 |
| Brian K. Wilson |
3/4/5
10%+ Owner
|
—
mixed-class rows
|
$13,979,775
2,490,321 shares
mixed-class rows
|
— | 23 Feb 2023 |
| Charles J. Jones |
3/4/5
10%+ Owner
|
—
mixed-class rows
|
$13,725,183
2,429,121 shares
mixed-class rows
|
— | 23 Feb 2023 |
| Whetstone Capital Advisors, LLC |
13F
3/4/5
Company · 10%+ Owner
|
—
mixed-class rows
|
$6,571,835
1,194,879 shares
|
— | 30 Jun 2025 |
| BlackRock, Inc. |
13F
Company
|
—
denominator unverified
|
$19,752,614
3,591,384 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 available
147
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-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 did not pass the local price check.
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 % |
|---|