Who owns Backblaze, Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from SEC filings.
Institutional ownership of BLZE from SEC Form 13F filings across 123 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 123 institutions disclosed 24.2M shares of Backblaze, Inc. worth $348.2M — about 39.8% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
123
13F holders
$348.2M
value, 2026 filers
39.8%
of shares outstanding (24.2M sh)
40
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of BLZE's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 4.7M | $74.9M | 0.0% | 7.8% | +28.2% |
| 2 | VANGUARD CAPITAL MANAGEMENT LLC | 2.5M | $39.9M | 0.0% | 4.1% | -46.4% |
| 3 | ACADIAN ASSET MANAGEMENT LLC | 1.8M | $28,318 | 0.0% | 2.9% | +9.0% |
| 4 | GEODE CAPITAL MANAGEMENT, LLC | 1.5M | $24.2M | 0.0% | 2.5% | +13.4% |
| 5 | Connor, Clark & Lunn Investment Management Ltd. | 1.2M | $18.3M | 0.0% | 1.9% | +38.8% |
| 6 | Qube Research & Technologies Ltd | 766,200 | $12.2M | 0.0% | 1.3% | +77.2% |
| 7 | VANGUARD PORTFOLIO MANAGEMENT LLC | 613,784 | $9.7M | 0.0% | 1% | -13.3% |
| 8 | Nuveen, LLC | 577,841 | $9.2M | 0.0% | 1% | +712.2% |
| 9 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 550,070 | $8.7M | 0.0% | 0.9% | +83.0% |
| 10 | MILLENNIUM MANAGEMENT LLC | 495,435 | $7.9M | 0.0% | 0.8% | +301.6% |
| 11 | NORTHERN TRUST CORP | 483,598 | $7.7M | 0.0% | 0.8% | +11.6% |
| 12 | Jump Financial, LLC | 469,100 | $7.4M | 0.1% | 0.8% | +700.7% |
| 13 | GOLDMAN SACHS GROUP INC | 468,330 | $7.4M | 0.0% | 0.8% | +47.4% |
| 14 | Halter Ferguson Financial Inc.NEW | 457,753 | $7.3M | 1.2% | 0.8% | new |
| 15 | VANGUARD FIDUCIARY TRUST CO | 423,644 | $6.7M | 0.0% | 0.7% | +9.0% |
| 16 | MORGAN STANLEY | 407,911 | $6.5M | 0.0% | 0.7% | +156.7% |
| 17 | FMR LLC | 354,493 | $5.6M | 0.0% | 0.6% | +652.0% |
| 18 | PRELUDE CAPITAL MANAGEMENT, LLC | 316,851 | $5.0M | 0.4% | 0.5% | -33.2% |
| 19 | MARSHALL WACE, LLP | 316,341 | $5.0M | 0.0% | 0.5% | +413.9% |
| 20 | LAZARD ASSET MANAGEMENT LLC | 297,138 | $4.7M | 0.0% | 0.5% | +85.3% |
| 21 | RAYMOND JAMES FINANCIAL INC | 249,686 | $4.0M | 0.0% | 0.4% | +1446.6% |
| 22 | TUDOR INVESTMENT CORP ET AL | 244,903 | $3.9M | 0.0% | 0.4% | +10.6% |
| 23 | JPMORGAN CHASE & CO | 243,341 | $3.6M | 0.0% | 0.4% | +79.6% |
| 24 | BOOTHBAY FUND MANAGEMENT, LLC | 242,386 | $3.8M | 0.1% | 0.4% | -32.0% |
| 25 | UBS Group AG | 215,721 | $3.4M | 0.0% | 0.4% | -29.1% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.