Security Snapshot

Backblaze, Inc. - Common Stock (BLZE) Institutional Ownership

CUSIP: 05637B105

13F Institutional Holders and Ownership History from Q4 2021 to Q1 2026

Latest Period

Q4 2025

Institutions Reporting

142

Shares (Excl. Options)

31,979,595

Price

$4.66

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Type / Class
Equity / Common Stock
Symbol
BLZE on Nasdaq
Shares outstanding
57,774,608
Price per share
$3.45
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
31,979,595
Total reported value
$149,035,403
% of total 13F portfolios
0%
Share change
+511,798
Value change
-$16,860,935
Number of holders
142
Price from insider filings
$3.45
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Quick Takeaways

  • BLZE - Backblaze, Inc. - Common Stock is tracked under CUSIP 05637B105.
  • 142 institutions reported positions in Q4 2025.
  • 2 significant owners is listed from Schedule 13D/13G reporting.

What Changed

  • Holder count moved from 142 to 6 between Q4 2025 and Q1 2026.
  • Reported value moved from $149,035,403 to $76,806.

Why This Matters

  • 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.

Source Evidence

Source: SEC Form 13F

Latest holder context comes from 142 institutions filings for Q4 2025.

Open SEC Evidence

Investment Quick Answers

What is CUSIP 05637B105?
CUSIP 05637B105 identifies BLZE - Backblaze, Inc. - Common Stock in SEC 13F datasets.

Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.

Significant Owners of Backblaze, Inc. - Common Stock (BLZE) based on Schedule 13D/G filings

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. 5.4% $12,412,885 2,783,158 AWM Investment Company, Inc. 31 Dec 2024

As of 31 Dec 2025, 142 institutional investors reported holding 31,979,595 shares of Backblaze, Inc. - Common Stock (BLZE). This represents 55% of the company’s total 57,774,608 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Backblaze, Inc. - Common Stock (BLZE) together control 44% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BlackRock, Inc. 6.5% 3,740,041 +0.42% 0% $17,428,591
VANGUARD GROUP INC 5.4% 3,096,719 +15% 0% $14,430,710
AWM Investment Company, Inc. 5.3% 3,067,569 +0.1% 1.4% $14,294,872
Pillsbury Lake Capital LLC 3% 1,729,132 0% 3.3% $8,057,755
Whetstone Capital Advisors, LLC 2.6% 1,520,055 +4.1% 2.2% $7,083,456
GEODE CAPITAL MANAGEMENT, LLC 2.3% 1,341,863 +4.2% 0% $6,254,796
ACADIAN ASSET MANAGEMENT LLC 2% 1,169,765 +249% 0.01% $5,444,000
STATE STREET CORP 1.8% 1,059,890 +0.21% 0% $4,939,087
Connor, Clark & Lunn Investment Management Ltd. 1.7% 955,643 +0.18% 0.01% $4,453,296
RENAISSANCE TECHNOLOGIES LLC 1.4% 810,752 +95% 0.01% $3,778,104
MILLENNIUM MANAGEMENT LLC 1.1% 652,675 -25% 0% $3,041,466
Qube Research & Technologies Ltd 1.1% 614,715 +114% 0% $2,864,572
JPMORGAN CHASE & CO 1% 605,925 +72% 0% $2,823,610
Point72 Asset Management, L.P. 0.98% 567,803 0% $2,645,962
OBERWEIS ASSET MANAGEMENT INC/ 0.96% 552,023 +2.5% 0.09% $2,572,427
PRELUDE CAPITAL MANAGEMENT, LLC 0.89% 516,311 0.18% $2,406,009
D. E. Shaw & Co., Inc. 0.81% 469,066 +29% 0% $2,185,847
MORGAN STANLEY 0.76% 440,647 -14% 0% $2,053,415
TWO SIGMA INVESTMENTS, LP 0.75% 431,173 +26% 0% $2,009,266
NORTHERN TRUST CORP 0.72% 418,270 -3.5% 0% $1,949,138
GOLDMAN SACHS GROUP INC 0.65% 377,672 +129% 0% $1,759,952
P.A.W. CAPITAL CORP 0.52% 300,000 +3.4% 3.2% $1,398,000
JANE STREET GROUP, LLC 0.52% 299,847 +33% 0% $1,397,287
GSA CAPITAL PARTNERS LLP 0.52% 299,218 +160% 0.12% $1,394,000
LAZARD ASSET MANAGEMENT LLC 0.52% 298,151 +16% 0% $1,389,384

Institutional Holders of Backblaze, Inc. - Common Stock (BLZE) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 21,239 $76,806 +$2,348 $3.45 6
2025 Q4 31,979,595 $149,035,403 -$16,860,935 $4.66 142
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