Latest Period
Q1 2026
Security Snapshot
Backblaze, Inc. - Class A Common Stock, Par Value $0.0001 (BLZE) Institutional Ownership
CUSIP: 05637B105
13F Institutional Holders and Ownership History from Q4 2021 to Q1 2026
Institutions Reporting
137
Shares (Excl. Options)
29,050,656
Price
$3.45
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- Security type / class
- Equity / Class A Common Stock, Par Value $0.0001
- Symbol
- BLZE on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 29,050,656
- Total 13F value
- $100,247,808
- Portfolio coverage rank
- 0%
- Share change
- -3,272,592
- Value change
- -$13,554,820
- Number of holders
- 137
- Shares outstanding
- 60,876,783
- SEC-reported price per share
- $7.64
- Insider filing price
- $7.64
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- BLZE - Backblaze, Inc. - Class A Common Stock, Par Value $0.0001 is tracked under CUSIP 05637B105.
- 137 institutions reported positions in Q1 2026.
- 2 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 143 to 137 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $149,036,219 to $100,247,808.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 137 institutions filings for Q1 2026.
Security key
05637B105
Latest holder period
Q1 2026
13F holders
137
13D/G owners
2
CIK / CUSIP context first
Open Q1 2026 holders
BLZE full holder history
Backblaze, Inc. SEC filings
Backblaze, Inc. company facts
Backblaze, Inc. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 05637B105:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
2
Security
BLZE
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 5.3% | $12,882,755 | 2,888,510 | BlackRock, Inc. | 31 Mar 2025 | |||
| AWM Investment Company, Inc. | 2.3% | -62% | $4,830,573 | -$4,771,322 | 1,400,166 | -50% | AWM Investment Company, Inc. | 31 Mar 2026 |
As of 31 Mar 2026, 137 institutional investors reported holding 29,050,656 shares of Backblaze, Inc. - Class A Common Stock, Par Value $0.0001 (BLZE). This represents 48% of the company’s total 60,876,783 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
39%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 6.1% | 3,683,899 | -1.5% | 0% | $12,709,452 |
| VANGUARD CAPITAL MANAGEMENT LLC | 3.9% | 2,344,447 | 0% | 0% | $8,088,342 |
| Pillsbury Lake Capital LLC | 3.2% | 1,961,283 | +13% | 3.1% | $6,766,426 |
| ACADIAN ASSET MANAGEMENT LLC | 2.7% | 1,638,568 | +40% | 0.01% | $5,648,000 |
| Whetstone Capital Advisors, LLC | 2.5% | 1,520,055 | 0% | 2% | $5,244,190 |
| AWM Investment Company, Inc. | 2.3% | 1,400,166 | -54% | 0.53% | $4,830,573 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.2% | 1,345,193 | +0.25% | 0% | $4,642,248 |
| RENAISSANCE TECHNOLOGIES LLC | 1.9% | 1,172,657 | +45% | 0.01% | $4,045,667 |
| STATE STREET CORP | 1.8% | 1,112,650 | +5% | 0% | $3,838,643 |
| Connor, Clark & Lunn Investment Management Ltd. | 1.4% | 833,272 | -13% | 0.01% | $2,874,788 |
| D. E. Shaw & Co., Inc. | 1.2% | 739,033 | +58% | 0% | $2,549,664 |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 1.2% | 707,887 | 0% | 0% | $2,442,210 |
| AQR CAPITAL MANAGEMENT LLC | 1.1% | 663,511 | +440% | 0% | $2,289,113 |
| Point72 Asset Management, L.P. | 0.89% | 540,594 | -4.8% | 0% | $1,865,049 |
| DIMENSIONAL FUND ADVISORS LP | 0.85% | 517,586 | +152% | 0% | $1,785,106 |
| PRELUDE CAPITAL MANAGEMENT, LLC | 0.78% | 474,006 | -8.2% | 0.13% | $1,635,321 |
| NORTHERN TRUST CORP | 0.71% | 433,408 | +3.6% | 0% | $1,495,258 |
| Qube Research & Technologies Ltd | 0.71% | 432,351 | -30% | 0% | $1,491,611 |
| VANGUARD FIDUCIARY TRUST CO | 0.64% | 388,594 | 0% | 0% | $1,340,649 |
| P.A.W. CAPITAL CORP | 0.59% | 360,000 | +20% | 3.4% | $1,242,000 |
| BOOTHBAY FUND MANAGEMENT, LLC | 0.59% | 356,663 | +32% | 0.03% | $1,230,487 |
| PERKINS CAPITAL MANAGEMENT INC | 0.56% | 339,025 | +22% | 1.1% | $1,169,636 |
| GOLDMAN SACHS GROUP INC | 0.52% | 317,685 | -16% | 0% | $1,096,013 |
| CITADEL ADVISORS LLC | 0.5% | 304,905 | +118% | 0% | $1,051,922 |
| UBS Group AG | 0.5% | 304,081 | +75% | 0% | $1,049,079 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
18
Latest
Q1 2026
Rows shown
1-18 of 18
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 29,050,656 | $100,247,808 | -$13,554,820 | $3.45 | 137 |
| 2025 Q4 | 31,979,770 | $149,036,219 | -$16,861,751 | $4.66 | 143 |
| 2025 Q3 | 29,977,767 | $278,232,202 | +$36,406,770 | $9.28 | 147 |
| 2025 Q2 | 26,902,055 | $147,964,438 | +$16,923,569 | $5.50 | 130 |
| 2025 Q1 | 23,871,686 | $115,299,754 | +$2,028,695 | $4.83 | 111 |
| 2024 Q4 | 23,219,002 | $139,777,779 | +$39,389,803 | $6.02 | 118 |
| 2024 Q3 | 16,441,805 | $105,042,550 | +$4,704,723 | $6.39 | 103 |
| 2024 Q2 | 15,457,701 | $95,219,382 | -$2,053,734 | $6.16 | 94 |
| 2024 Q1 | 14,574,850 | $149,096,432 | +$42,818,225 | $10.23 | 92 |
| 2023 Q4 | 10,694,861 | $81,172,676 | +$20,508,422 | $7.59 | 72 |
| 2023 Q3 | 7,785,952 | $42,817,392 | +$14,308,792 | $5.50 | 56 |
| 2023 Q2 | 5,221,763 | $22,604,864 | +$434,018 | $4.33 | 37 |
| 2023 Q1 | 5,112,448 | $25,815,679 | +$2,740,732 | $5.05 | 35 |
| 2022 Q4 | 4,568,297 | $28,092,801 | +$2,683,257 | $6.15 | 31 |
| 2022 Q3 | 4,141,193 | $20,579,273 | +$4,054,380 | $4.97 | 29 |
| 2022 Q2 | 3,328,441 | $17,406,288 | +$276,538 | $5.23 | 26 |
| 2022 Q1 | 3,210,231 | $34,254,587 | -$9,178,327 | $10.67 | 27 |
| 2021 Q4 | 3,620,736 | $61,149,664 | +$61,131,928 | $16.89 | 34 |