BLZE
Backblaze, Inc. · Technology · Software - Infrastructure
Momentum inputs (comparable managers):
holder breadth -9.1% ·
share flow +12.7% ·
net new positions -10.0%
· formula
Concentrated accumulation: rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2024
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q3 2026 | 1 | 0 | 39.59K | $514,339 | n/a | n/a |
| Q2 2026 | 72 | +7 | 22.17M | $350.82M | +14 | −6 |
| Q1 2026 | 66 | +2 | 17.75M | $61.25M | +7 | −5 |
| Q4 2025 | 64 | +1 | 19.65M | $91.58M | +1 | n/a |
| Q3 2025 | 18 | 0 | 13.79M | $127.96M | n/a | n/a |
| Q2 2025 | 15 | +2 | 10.77M | $59.25M | +2 | n/a |
| Q1 2025 | 10 | 0 | 4.31M | $20.82M | +1 | −1 |
| Q4 2024 | 10 | -1 | 3.86M | $23.21M | n/a | −1 |
| Q3 2024 | 10 | +1 | 2.81M | $17.94M | +1 | n/a |
| Q2 2024 | 9 | n/a | 2.77M | $17.00M | n/a | n/a |
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Geode Capital Management ✦ (passive) | 875.83K | +1.3% | $5.27M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 2 | Millennium Management ✦ | 622.81K | +21.2% | $3.75M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 3 | State Street Global Advisors ✦ (passive) | 614.79K | n/a | $3.70M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | Renaissance Technologies ✦ | 545.51K | +40.7% | $3.28M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 5 | Marshall Wace ✦ | 387.79K | +40.5% | $2.33M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 6 | Citadel Advisors ✦ | 276.07K | -1.3% | $1.66M | 0.0% | ▼ Trim | 3 | SEC ↗ ×2 |
| 7 | Two Sigma Investments ✦ | 272.84K | +11.1% | $1.64M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 8 | Norges Bank ✦ (passive) | 129.50K | -23.5% | $779,590 | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 9 | D. E. Shaw & Co. ✦ | 115.99K | +302.8% | $698,284 | 0.0% | ▲ Add | 3 | SEC ↗ |
| 10 | T. Rowe Price ✦ | 14.78K | +15.6% | $89,000 | 0.0% | ▲ Add | 3 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| AQR Capital Management | $183,278 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 135 holders, 28.91M shares, $93.04M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
No open-market insider purchases in our coverage window.
Open-market sales (S)
Officer · 2.11K sh · $33,380
Officer, Director · 12.86K sh · $203,366
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology