BLZE — BACKBLAZE INC
As of Q2 2026, 33 SEC-registered investment managers reported holding BLZE (BACKBLAZE INC) in their latest 13F filings, with a combined reported value of $211.74M across 13.41M shares. That is +22.0% by share count (+2.42M shares) versus the previous quarter, while reported value moved +460.3%. Ownership is concentrated: the five largest holders account for 64.5% of reported value and the top ten for 81.1%.
Compared with the prior quarter, 6 opened new positions, 19 added to existing stakes, 8 trimmed, 1 exited entirely. 13F holdings are quarter-end snapshots, so these moves reflect positioning as of Q2 2026, not real-time trading.
BLZE is classified in the Technology sector.
All figures on this page are computed from SEC Form 13F quarterly filings. 13F filers disclose long positions of $100,000 or more within 45 days of quarter end; short positions, options overlays and intra-quarter trades are not included, so treat the numbers as a quarterly snapshot of institutional ownership rather than real-time positioning.
Q2 2026 — 33 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| BlackRock Inc history | 4.72M | $74.90M | 0.00% | Add |
| Geode Capital Management history | 1.53M | $24.19M | 0.00% | Add |
| AQR Capital Management history | 1.05M | $16.68M | 0.01% | Add |
| Renaissance Technologies history | 762.61K | $12.09M | 0.02% | Reduce |
| Arrowstreet Capital history | 550.07K | $8.72M | 0.00% | Add |
| Millennium Management history | 495.44K | $7.86M | 0.00% | Add |
| Northern Trust Corp history | 483.60K | $7.67M | 0.00% | Add |
| Goldman Sachs Group history | 468.33K | $7.43M | 0.00% | Add |
| Morgan Stanley history | 407.91K | $6.47M | 0.00% | Add |
| Fidelity Management & Research (FMR) history | 354.49K | $5.62M | 0.00% | Add |
| Marshall Wace history | 316.34K | $5.02M | 0.00% | Add |
| Lazard Asset Management history | 297.14K | $4.71M | 0.01% | Add |
| JPMorgan Chase & Co history | 243.34K | $3.64M | 0.00% | New |
| UBS Group AG history | 215.72K | $3.42M | 0.00% | Reduce |
| Norges Bank Investment Management history | 215.40K | $3.42M | 0.00% | New |
| BNY Mellon history | 193.81K | $3.07M | 0.00% | Add |
| Charles Schwab Investment Management history | 169.72K | $2.69M | 0.00% | Add |
| Citadel Advisors history | 145.20K | $2.30M | 0.00% | Reduce |
| Franklin Resources history | 128.85K | $2.04M | 0.00% | New |
| Two Sigma Investments history | 123.21K | $1.95M | 0.00% | Add |
| Bank of America Corp history | 102.51K | $1.63M | 0.00% | Add |
| Balyasny Asset Management history | 93.92K | $1.49M | 0.00% | New |
| Deutsche Bank AG history | 58.31K | $924.73K | 0.00% | Reduce |
| Wells Fargo & Co history | 57.70K | $915.11K | 0.00% | Add |
| D. E. Shaw & Co history | 50.15K | $795.38K | 0.00% | Reduce |
| CPP Investments history | 36.20K | $574.13K | 0.00% | Reduce |
| Invesco Ltd history | 31.78K | $504.01K | 0.00% | Reduce |
| Citigroup Inc history | 27.88K | $442.21K | 0.00% | Add |
| Manulife Financial history | 15.62K | $247.69K | 0.00% | Reduce |
| Polen Capital Management history | 13.27K | $210.43K | 0.00% | New |
| Legal & General Investment Management America history | 5.69K | $90.21K | 0.00% | Add |
| T. Rowe Price Associates history | 48.80K | $775 | 0.00% | Add |
| PNC Financial Services history | 20 | $317 | 0.00% | New |
Q1 2026 — 28 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| BlackRock Inc history | 3.68M | $12.71M | 0.00% | Reduce |
| Geode Capital Management history | 1.35M | $4.64M | 0.00% | Hold |
| Renaissance Technologies history | 1.17M | $4.05M | 0.01% | Add |
| D. E. Shaw & Co history | 739.03K | $2.55M | 0.00% | Add |
| AQR Capital Management history | 663.51K | $2.29M | 0.00% | Add |
| Point72 Asset Management history | 540.59K | $1.87M | 0.00% | Reduce |
| Northern Trust Corp history | 433.41K | $1.50M | 0.00% | Add |
| Citadel Advisors history | 328.90K | $1.13M | 0.00% | Add |
| Goldman Sachs Group history | 317.69K | $1.10M | 0.00% | Reduce |
| UBS Group AG history | 304.08K | $1.05M | 0.00% | Add |
| Arrowstreet Capital history | 300.50K | $1.04M | 0.00% | Add |
| BNY Mellon history | 180.51K | $622.78K | 0.00% | Reduce |
| Lazard Asset Management history | 160.33K | $553.15K | 0.00% | Reduce |
| Morgan Stanley history | 158.92K | $548.28K | 0.00% | Reduce |
| Millennium Management history | 123.35K | $425.56K | 0.00% | Reduce |
| Charles Schwab Investment Management history | 121.27K | $418.38K | 0.00% | Reduce |
| Marshall Wace history | 61.55K | $212.37K | 0.00% | Reduce |
| Deutsche Bank AG history | 58.73K | $202.63K | 0.00% | Add |
| Bank of America Corp history | 53.99K | $186.27K | 0.00% | Reduce |
| CPP Investments history | 47.20K | $162.84K | 0.00% | Hold |
| Fidelity Management & Research (FMR) history | 47.14K | $162.65K | 0.00% | Reduce |
| Invesco Ltd history | 45.47K | $156.88K | 0.00% | Add |
| Wells Fargo & Co history | 25.45K | $87.81K | 0.00% | Reduce |
| Manulife Financial history | 16.41K | $56.61K | 0.00% | Reduce |
| Two Sigma Investments history | 15.30K | $52.78K | 0.00% | Reduce |
| Legal & General Investment Management America history | 4.99K | $17.20K | 0.00% | Reduce |
| Citigroup Inc history | 2.99K | $10.30K | 0.00% | Add |
| T. Rowe Price Associates history | 44.06K | $153 | 0.00% | Add |
Q4 2025 — 31 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| BlackRock Inc history | 3.74M | $17.43M | 0.00% | Hold |
| Vanguard Group history | 3.10M | $14.43M | 0.00% | Add |
| Geode Capital Management history | 1.34M | $6.25M | 0.00% | Add |
| Renaissance Technologies history | 810.75K | $3.78M | 0.01% | Add |
| Millennium Management history | 652.67K | $3.04M | 0.00% | Reduce |
| JPMorgan Chase & Co history | 605.92K | $2.82M | 0.00% | Add |
| Point72 Asset Management history | 567.80K | $2.65M | 0.00% | New |
| D. E. Shaw & Co history | 469.07K | $2.19M | 0.00% | Add |
| Morgan Stanley history | 440.65K | $2.05M | 0.00% | Reduce |
| Two Sigma Investments history | 431.17K | $2.01M | 0.00% | Add |
| Northern Trust Corp history | 418.27K | $1.95M | 0.00% | Reduce |
| Goldman Sachs Group history | 377.67K | $1.76M | 0.00% | Add |
| Lazard Asset Management history | 298.15K | $1.39M | 0.00% | Add |
| Marshall Wace history | 225.11K | $1.05M | 0.00% | Reduce |
| Arrowstreet Capital history | 192.63K | $897.65K | 0.00% | Reduce |
| BNY Mellon history | 191.67K | $893.17K | 0.00% | Add |
| UBS Group AG history | 173.57K | $808.83K | 0.00% | Add |
| Charles Schwab Investment Management history | 162.39K | $756.72K | 0.00% | Hold |
| Citadel Advisors history | 156.56K | $729.58K | 0.00% | Reduce |
| AQR Capital Management history | 122.90K | $572.71K | 0.00% | Reduce |
| Wells Fargo & Co history | 66.33K | $309.10K | 0.00% | Add |
| Bank of America Corp history | 55.44K | $258.34K | 0.00% | Add |
| Deutsche Bank AG history | 51.77K | $241.26K | 0.00% | Add |
| Fidelity Management & Research (FMR) history | 48.57K | $226.35K | 0.00% | Hold |
| CPP Investments history | 47.20K | $219.95K | 0.00% | New |
| Invesco Ltd history | 44.10K | $205.52K | 0.00% | Add |
| Manulife Financial history | 17.47K | $81.42K | 0.00% | Reduce |
| Prudential Financial history | 10.67K | $49.72K | 0.00% | Add |
| Legal & General Investment Management America history | 5.76K | $26.85K | 0.00% | Reduce |
| Citigroup Inc history | 1.61K | $7.49K | 0.00% | Reduce |
| T. Rowe Price Associates history | 32.22K | $151 | 0.00% | Add |
Q3 2025 — 30 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| BlackRock Inc history | 3.72M | $34.56M | 0.00% | Add |
| Vanguard Group history | 2.69M | $25.00M | 0.00% | Add |
| Geode Capital Management history | 1.29M | $11.96M | 0.00% | Add |
| First Eagle Investment Management history | 1.13M | $10.52M | 0.02% | Reduce |
| Millennium Management history | 870.25K | $8.08M | 0.00% | Add |
| Morgan Stanley history | 513.73K | $4.77M | 0.00% | Add |
| Citadel Advisors history | 484.70K | $4.50M | 0.00% | Add |
| Arrowstreet Capital history | 480.28K | $4.46M | 0.00% | Add |
| Marshall Wace history | 447.66K | $4.15M | 0.00% | Reduce |
| Northern Trust Corp history | 433.23K | $4.02M | 0.00% | Add |
| Renaissance Technologies history | 416.82K | $3.87M | 0.01% | Reduce |
| D. E. Shaw & Co history | 363.95K | $3.38M | 0.00% | Add |
| JPMorgan Chase & Co history | 351.66K | $3.26M | 0.00% | Add |
| Two Sigma Investments history | 342.32K | $3.18M | 0.01% | Add |
| Lazard Asset Management history | 256.79K | $2.38M | 0.00% | Reduce |
| AQR Capital Management history | 169.91K | $1.58M | 0.00% | Add |
| Goldman Sachs Group history | 165.11K | $1.53M | 0.00% | Reduce |
| Charles Schwab Investment Management history | 162.48K | $1.51M | 0.00% | Add |
| BNY Mellon history | 124.79K | $1.16M | 0.00% | Add |
| Deutsche Bank AG history | 49.93K | $463.36K | 0.00% | Add |
| UBS Group AG history | 49.22K | $456.75K | 0.00% | Reduce |
| Fidelity Management & Research (FMR) history | 48.39K | $449.08K | 0.00% | Add |
| Bank of America Corp history | 41.14K | $381.74K | 0.00% | Reduce |
| Invesco Ltd history | 40.74K | $378.07K | 0.00% | Add |
| Wells Fargo & Co history | 38.90K | $361.03K | 0.00% | Add |
| Manulife Financial history | 18.61K | $172.69K | 0.00% | Reduce |
| Prudential Financial history | 10.14K | $94.15K | 0.00% | New |
| Legal & General Investment Management America history | 5.86K | $54.41K | 0.00% | Hold |
| Citigroup Inc history | 2.27K | $21.11K | 0.00% | Reduce |
| T. Rowe Price Associates history | 28.70K | $267 | 0.00% | Add |
Q2 2025 — 30 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| BlackRock Inc history | 3.59M | $19.75M | 0.00% | Add |
| Vanguard Group history | 2.56M | $14.08M | 0.00% | Add |
| Geode Capital Management history | 1.17M | $6.43M | 0.00% | Add |
| First Eagle Investment Management history | 1.16M | $6.37M | 0.01% | Add |
| Millennium Management history | 770.88K | $4.24M | 0.00% | Reduce |
| Marshall Wace history | 651.20K | $3.58M | 0.00% | Add |
| Renaissance Technologies history | 437.92K | $2.41M | 0.00% | Add |
| Northern Trust Corp history | 407.64K | $2.24M | 0.00% | Add |
| Morgan Stanley history | 339.42K | $1.87M | 0.00% | Reduce |
| Citadel Advisors history | 269.78K | $1.48M | 0.00% | Reduce |
| Goldman Sachs Group history | 186.23K | $1.02M | 0.00% | Reduce |
| Arrowstreet Capital history | 180.61K | $993.35K | 0.00% | New |
| JPMorgan Chase & Co history | 179.49K | $987.21K | 0.00% | Reduce |
| Charles Schwab Investment Management history | 153.18K | $842.49K | 0.00% | Add |
| AQR Capital Management history | 144.29K | $793.60K | 0.00% | Add |
| Two Sigma Investments history | 131.52K | $723.34K | 0.00% | Reduce |
| BNY Mellon history | 109.18K | $600.48K | 0.00% | Add |
| Bank of America Corp history | 81.65K | $449.06K | 0.00% | Add |
| UBS Group AG history | 64.83K | $356.58K | 0.00% | Add |
| Balyasny Asset Management history | 53.42K | $293.79K | 0.00% | Add |
| Deutsche Bank AG history | 42.31K | $232.71K | 0.00% | Add |
| D. E. Shaw & Co history | 42.27K | $232.50K | 0.00% | Reduce |
| Wells Fargo & Co history | 32.68K | $179.75K | 0.00% | Add |
| Invesco Ltd history | 20.23K | $111.24K | 0.00% | Add |
| Manulife Financial history | 19.29K | $106.11K | 0.00% | Add |
| Citigroup Inc history | 19.02K | $104.60K | 0.00% | Reduce |
| Fidelity Management & Research (FMR) history | 6.33K | $34.80K | 0.00% | Reduce |
| Legal & General Investment Management America history | 5.86K | $32.25K | 0.00% | Add |
| Lazard Asset Management history | 289.46K | $1.59K | 0.00% | Add |
| T. Rowe Price Associates history | 26.73K | $148 | 0.00% | Add |
Q1 2025 — 29 funds
| Fund | Shares | Value | Portfolio Weight | Change |
|---|---|---|---|---|
| BlackRock Inc history | 3.24M | $15.64M | 0.00% | Add |
| Vanguard Group history | 2.42M | $11.70M | 0.00% | Add |
| First Eagle Investment Management history | 1.07M | $5.15M | 0.01% | Reduce |
| Geode Capital Management history | 1.03M | $4.97M | 0.00% | Add |
| Millennium Management history | 825.42K | $3.99M | 0.00% | Add |
| Marshall Wace history | 582.66K | $2.81M | 0.00% | Add |
| Citadel Advisors history | 494.10K | $2.39M | 0.00% | Add |
| Morgan Stanley history | 393.59K | $1.90M | 0.00% | Add |
| Renaissance Technologies history | 387.62K | $1.87M | 0.00% | Reduce |
| Northern Trust Corp history | 383.31K | $1.85M | 0.00% | Add |
| Goldman Sachs Group history | 261.61K | $1.26M | 0.00% | Add |
| JPMorgan Chase & Co history | 225.52K | $1.09M | 0.00% | Reduce |
| D. E. Shaw & Co history | 152.14K | $734.83K | 0.00% | Add |
| Two Sigma Investments history | 137.40K | $663.62K | 0.00% | Reduce |
| Charles Schwab Investment Management history | 130.00K | $627.88K | 0.00% | Add |
| BNY Mellon history | 88.94K | $429.60K | 0.00% | Add |
| AQR Capital Management history | 88.28K | $426.39K | 0.00% | New |
| Bank of America Corp history | 41.81K | $201.96K | 0.00% | Reduce |
| Balyasny Asset Management history | 34.94K | $168.76K | 0.00% | Add |
| Deutsche Bank AG history | 34.46K | $166.43K | 0.00% | Reduce |
| Citigroup Inc history | 32.70K | $157.94K | 0.00% | Reduce |
| UBS Group AG history | 31.33K | $151.31K | 0.00% | Reduce |
| Wells Fargo & Co history | 29.82K | $144.02K | 0.00% | Add |
| Invesco Ltd history | 19.10K | $92.26K | 0.00% | Reduce |
| Fidelity Management & Research (FMR) history | 17.54K | $84.73K | 0.00% | Add |
| Manulife Financial history | 14.64K | $70.72K | 0.00% | Reduce |
| Legal & General Investment Management America history | 5.15K | $24.88K | 0.00% | Add |
| Lazard Asset Management history | 79.62K | $384 | 0.00% | Add |
| T. Rowe Price Associates history | 19.39K | $94 | 0.00% | Add |
New Positions (Q2 2026)
- JPMorgan Chase & Co 243.34K sh · $3.64M
- Norges Bank Investment Management 215.40K sh · $3.42M
- Franklin Resources 128.85K sh · $2.04M
- Balyasny Asset Management 93.92K sh · $1.49M
- Polen Capital Management 13.27K sh · $210.43K
- PNC Financial Services 20 sh · $317
Fully Exited (vs previous quarter)
- Point72 Asset Management sold 540.59K sh · $1.87M
Fund Position History — shares by quarter (top 20 funds)
| Fund | Q2 2026 | Q1 2026 | Q4 2025 | Q3 2025 | Q2 2025 | Q1 2025 | Q4 2024 | Q3 2024 | Q2 2024 | Q1 2024 | Q4 2023 | Q3 2023 | Q2 2023 | Q1 2023 | Q4 2022 | Q3 2022 | Q2 2022 | Q1 2022 | Q4 2021 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| BlackRock Inc | 4.72M | 3.68M | 3.74M | 3.72M | 3.59M | 3.24M | 2.87M | 2.86M | — | — | — | — | — | — | — | — | — | — | — |
| Geode Capital Management | 1.53M | 1.35M | 1.34M | 1.29M | 1.17M | 1.03M | 875.83K | 864.56K | 842.97K | 355.28K | 345.22K | 184.16K | 166.44K | 110.17K | 104.01K | 97.42K | 58.49K | 54.75K | 54.75K |
| AQR Capital Management | 1.05M | 663.51K | 122.90K | 169.91K | 144.29K | 88.28K | — | 28.68K | — | — | — | — | — | — | — | — | — | — | — |
| Renaissance Technologies | 762.61K | 1.17M | 810.75K | 416.82K | 437.92K | 387.62K | 545.51K | 387.62K | 138.22K | 195.62K | 202.62K | 123.62K | 103.10K | 65.20K | 83.70K | 93.20K | 43.30K | 58.12K | — |
| Arrowstreet Capital | 550.07K | 300.50K | 192.63K | 480.28K | 180.61K | — | — | — | — | 14.76K | — | — | — | — | — | — | — | — | — |
| Millennium Management | 495.44K | 123.35K | 652.67K | 870.25K | 770.88K | 825.42K | 622.81K | 513.93K | 647.83K | 801.35K | 406.65K | 81.70K | — | 43.44K | — | — | — | — | — |
| Northern Trust Corp | 483.60K | 433.41K | 418.27K | 433.23K | 407.64K | 383.31K | 380.54K | 313.26K | 89.24K | 65.14K | 60.49K | 37.59K | 27.56K | 21.19K | 25.67K | 16.40K | 11.36K | 10.49K | 13.39K |
| Goldman Sachs Group | 468.33K | 317.69K | 377.67K | 165.11K | 186.23K | 261.61K | 205.89K | 220.10K | 46.30K | 328.75K | 41.23K | 49.62K | 14.95K | 12.08K | 10.97K | 10.95K | 10.95K | 10.95K | — |
| Morgan Stanley | 407.91K | 158.92K | 440.65K | 513.73K | 339.42K | 393.59K | 195.65K | 211.64K | 309.59K | 326.86K | 48.53K | 26.94K | 10.30K | 12.99K | 13.35K | 5.87K | 534.91K | 8.07K | 9.76K |
| Fidelity Management & Research (FMR) | 354.49K | 47.14K | 48.57K | 48.39K | 6.33K | 17.54K | 1.02K | 571 | 97 | 97 | — | 19 | 119 | — | — | — | — | — | 10 |
| Marshall Wace | 316.34K | 61.55K | 225.11K | 447.66K | 651.20K | 582.66K | 387.79K | 276.02K | 358.22K | 405.06K | 138.85K | 117.29K | — | — | — | — | 10.80K | 42.36K | 200.19K |
| Lazard Asset Management | 297.14K | 160.33K | 298.15K | 256.79K | 289.46K | 79.62K | 14.99K | 65.79K | 32.64K | 18.10K | 6.81K | 6.35K | — | — | — | — | — | — | — |
| JPMorgan Chase & Co | 243.34K | — | 605.92K | 351.66K | 179.49K | 225.52K | 269.07K | 125.32K | 36.67K | 185.57K | 66.53K | 33.31K | 727 | 1.09K | — | — | — | — | — |
| UBS Group AG | 215.72K | 304.08K | 173.57K | 49.22K | 64.83K | 31.33K | 45.98K | 25.25K | 12.20K | 902 | 239 | 125 | 125 | — | 3.20K | 4.46K | — | 1.62K | 776 |
| Norges Bank Investment Management | 215.40K | — | — | — | — | — | 129.50K | — | 169.30K | — | — | — | — | — | — | — | — | — | — |
| BNY Mellon | 193.81K | 180.51K | 191.67K | 124.79K | 109.18K | 88.94K | 84.44K | 82.33K | 113.76K | — | 17.12K | — | — | — | — | — | — | — | — |
| Charles Schwab Investment Management | 169.72K | 121.27K | 162.39K | 162.48K | 153.18K | 130.00K | 118.35K | 118.16K | 113.06K | 18.68K | 18.68K | — | — | — | — | — | — | — | — |
| Citadel Advisors | 145.20K | 328.90K | 156.56K | 484.70K | 269.78K | 494.10K | 293.77K | 309.76K | 197.43K | 157.96K | 118.78K | 62.35K | 45.26K | 111.94K | 47.34K | 162.81K | 58.93K | 26.30K | 52.18K |
| Franklin Resources | 128.85K | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Two Sigma Investments | 123.21K | 15.30K | 431.17K | 342.32K | 131.52K | 137.40K | 272.84K | 245.70K | 342.11K | 457.29K | 191.54K | 50.77K | — | — | — | — | — | — | 37.91K |
▲ Bought Low (fund opened/added, stock rose ≥5% next quarter) ▼ Sold High (fund reduced, stock fell ≥5% next quarter)
Drag / scroll to zoom · Default shows the most recent year · Annotations come from quarterly fund actions in 13F filings · Hover a marker for details