Security record
BAND
Bandwidth Inc. · Technology · Software - Infrastructure
97Tracked holders
+26Δ holders
19.72MShares held
$1.24BReported value
+32New positions
−6Exits
Momentum inputs (comparable managers):
holder breadth +30.0% ·
share flow +22.4% ·
net new positions +20.0%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 97 | +26 | 19.72M | $1.24B | +32 | −6 |
| Q1 2026 | 73 | +2 | 16.12M | $286.88M | +5 | −3 |
| Q4 2025 | 71 | +1 | 15.74M | $243.20M | +1 | — |
| Q3 2025 | 15 | -2 | 9.73M | $162.19M | — | −2 |
| Q2 2025 | 14 | -1 | 8.93M | $142.00M | — | −1 |
| Q1 2025 | 12 | +1 | 3.45M | $45.26M | +2 | −1 |
| Q4 2024 | 11 | 0 | 3.03M | $51.59M | +1 | −1 |
| Q3 2024 | 10 | -2 | 2.28M | $39.91M | — | −2 |
| Q2 2024 | 12 | — | 2.59M | $43.78M | — | — |
Who holds it · Q2 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 2.46M | -16.7% | $155.96M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 2.46M | -16.7% | $155.96M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 2.46M | -16.7% | $155.96M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 2.46M | -16.7% | $155.96M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 2.46M | -16.7% | $155.96M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 2.46M | -16.7% | $155.96M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 2.46M | -16.7% | $155.96M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 2.46M | -16.7% | $155.96M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 2.46M | -16.7% | $155.96M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 2.46M | -16.7% | $155.96M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 2.46M | -16.7% | $155.96M | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 12 | D. E. Shaw & Co. ✦ | 1.31M | +274.7% | $82.99M | 0.1% | ▲ Add | 9 | SEC ↗ |
| 13 | D. E. Shaw & Co. ✦ | 1.31M | +274.7% | $82.99M | 0.1% | ▲ Add | 9 | SEC ↗ |
| 14 | D. E. Shaw & Co. ✦ | 1.31M | +274.7% | $82.99M | 0.1% | ▲ Add | 9 | SEC ↗ |
| 15 | Vanguard Capital Management Llc | 1.28M | +7.5% | $81.32M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 16 | State Street Global Advisors ✦ (passive) | 940.84K | +30.1% | $59.55M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 17 | Dimensional Fund Advisors Lp | 938.16K | -39.5% | $59.38M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 18 | Dimensional Fund Advisors Lp | 938.16K | -39.5% | $59.38M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 19 | Dimensional Fund Advisors Lp | 938.16K | -39.5% | $59.38M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 20 | Dimensional Fund Advisors Lp | 938.16K | -39.5% | $59.38M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 21 | Wellington Management ✦ | 911.89K | +138.9% | $57.72M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 22 | Wellington Management ✦ | 911.89K | +138.9% | $57.72M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 23 | Wellington Management ✦ | 911.89K | +138.9% | $57.72M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 24 | Wellington Management ✦ | 911.89K | +138.9% | $57.72M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 25 | Wellington Management ✦ | 911.89K | +138.9% | $57.72M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 26 | Wellington Management ✦ | 911.89K | +138.9% | $57.72M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 27 | Two Sigma Investments ✦ | 824.92K | +67.0% | $52.22M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 28 | Arrowstreet Capital ✦ | 794.13K | +15.3% | $50.27M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 29 | Geode Capital Management ✦ (passive) | 767.50K | +10.7% | $48.59M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 30 | Geode Capital Management ✦ (passive) | 767.50K | +10.7% | $48.59M | 0.0% | ▲ Add | 9 | SEC ↗ |
| 31 | Jane Street Group, Llc | 720.42K | +701.8% | $45.60M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 32 | Jane Street Group, Llc | 720.42K | +701.8% | $45.60M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 33 | Nuveen, LLC | 648.62K | +85.8% | $41.06M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 34 | Nuveen, LLC | 648.62K | +85.8% | $41.06M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 35 | Nuveen, LLC | 648.62K | +85.8% | $41.06M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 36 | Nuveen, LLC | 648.62K | +85.8% | $41.06M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 37 | Renaissance Technologies ✦ | 644.00K | -0.1% | $40.77M | 0.1% | ▼ Trim | 9 | SEC ↗ |
| 38 | Fidelity (FMR) ✦ | 544.22K | +3.8% | $34.45M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 39 | Fidelity (FMR) ✦ | 544.22K | +3.8% | $34.45M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 40 | Fidelity (FMR) ✦ | 544.22K | +3.8% | $34.45M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 41 | Ameriprise Financial Inc | 536.46K | -7.5% | $33.96M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 42 | Ameriprise Financial Inc | 536.46K | -7.5% | $33.96M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 43 | Ameriprise Financial Inc | 536.46K | -7.5% | $33.96M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 44 | Ameriprise Financial Inc | 536.46K | -7.5% | $33.96M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 45 | Assenagon Asset Management S.A. | 527.21K | +7.2% | $33.37M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 46 | Assenagon Asset Management S.A. | 527.21K | +7.2% | $33.37M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 47 | Connor, Clark & Lunn Investment… | 486.52K | +4.1% | $30.80M | 0.1% | ▲ Add | 3 | SEC ↗ |
| 48 | Citadel Advisors ✦ | 382.96K | +73.4% | $24.24M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 49 | Citadel Advisors ✦ | 382.96K | +73.4% | $24.24M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 50 | AQR Capital Management ✦ | 381.12K | -14.1% | $24.13M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 51 | AQR Capital Management ✦ | 381.12K | -14.1% | $24.13M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 52 | AQR Capital Management ✦ | 381.12K | -14.1% | $24.13M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 53 | AQR Capital Management ✦ | 381.12K | -14.1% | $24.13M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 54 | AQR Capital Management ✦ | 381.12K | -14.1% | $24.13M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 55 | AQR Capital Management ✦ | 381.12K | -14.1% | $24.13M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 56 | AQR Capital Management ✦ | 381.12K | -14.1% | $24.13M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 57 | AQR Capital Management ✦ | 381.12K | -14.1% | $24.13M | 0.0% | ▼ Trim | 9 | SEC ↗ |
| 58 | Goldman Sachs Group ✦ | 346.27K | -5.1% | $21.92M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 59 | Goldman Sachs Group ✦ | 346.27K | -5.1% | $21.92M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 60 | Goldman Sachs Group ✦ | 346.27K | -5.1% | $21.92M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 61 | Jennison Associates Llc | 315.25K | New | $19.96M | 0.0% | New | 1 | SEC ↗ |
| 62 | Jennison Associates Llc | 315.25K | New | $19.96M | 0.0% | New | 1 | SEC ↗ |
| 63 | Morgan Stanley ✦ | 286.84K | +14.0% | $18.16M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 64 | Morgan Stanley ✦ | 286.84K | +14.0% | $18.16M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 65 | Morgan Stanley ✦ | 286.84K | +14.0% | $18.16M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 66 | Morgan Stanley ✦ | 286.84K | +14.0% | $18.16M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 67 | Morgan Stanley ✦ | 286.84K | +14.0% | $18.16M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 68 | Morgan Stanley ✦ | 286.84K | +14.0% | $18.16M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 69 | Morgan Stanley ✦ | 286.84K | +14.0% | $18.16M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 70 | Morgan Stanley ✦ | 286.84K | +14.0% | $18.16M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 71 | Morgan Stanley ✦ | 286.84K | +14.0% | $18.16M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 72 | Morgan Stanley ✦ | 286.84K | +14.0% | $18.16M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 73 | Morgan Stanley ✦ | 286.84K | +14.0% | $18.16M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 74 | Morgan Stanley ✦ | 286.84K | +14.0% | $18.16M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 75 | Morgan Stanley ✦ | 286.84K | +14.0% | $18.16M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 76 | Morgan Stanley ✦ | 286.84K | +14.0% | $18.16M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 77 | Morgan Stanley ✦ | 286.84K | +14.0% | $18.16M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 78 | Northern Trust Corp | 251.34K | +10.7% | $15.91M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 79 | Northern Trust Corp | 251.34K | +10.7% | $15.91M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 80 | Northern Trust Corp | 251.34K | +10.7% | $15.91M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 81 | Charles Schwab Investment… | 249.36K | +6.7% | $15.78M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 82 | Sei Investments Co | 227.29K | New | $14.39M | 0.0% | New | 1 | SEC ↗ |
| 83 | Sei Investments Co | 227.29K | New | $14.39M | 0.0% | New | 1 | SEC ↗ |
| 84 | Bank Of Montreal /Can/ | 192.68K | +32.4% | $12.20M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 85 | Bank Of Montreal /Can/ | 192.68K | +32.4% | $12.20M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 86 | Bank Of Montreal /Can/ | 192.68K | +32.4% | $12.20M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 87 | Marshall Wace ✦ | 192.08K | New | $12.16M | 0.0% | New | 1 | SEC ↗ |
| 88 | Marshall Wace ✦ | 192.08K | New | $12.16M | 0.0% | New | 1 | SEC ↗ |
| 89 | Point72 Asset Management ✦ | 187.28K | New | $11.85M | 0.0% | New | 1 | SEC ↗ |
| 90 | UBS Group AG | 175.92K | -17.6% | $11.14M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 91 | UBS Group AG | 175.92K | -17.6% | $11.14M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 92 | UBS Group AG | 175.92K | -17.6% | $11.14M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 93 | Citigroup Inc | 161.89K | +3724.4% | $10.25M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 94 | Citigroup Inc | 161.89K | +3724.4% | $10.25M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 95 | Bnp Paribas Financial Markets | 152.64K | +328.2% | $9.66M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 96 | Universal- Beteiligungs- und… | 114.47K | New | $7.25M | 0.0% | New | 1 | SEC ↗ |
| 97 | Universal- Beteiligungs- und… | 114.47K | New | $7.25M | 0.0% | New | 1 | SEC ↗ |
| 98 | Russell Investments Group, Ltd. | 113.62K | +99.5% | $7.10M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 99 | Russell Investments Group, Ltd. | 113.62K | +99.5% | $7.10M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 100 | Russell Investments Group, Ltd. | 113.62K | +99.5% | $7.10M | 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
| Jennison Associates Llc | $19.96M | 0.0% |
| Jennison Associates Llc | $19.96M | 0.0% |
| Sei Investments Co | $14.39M | 0.0% |
| Sei Investments Co | $14.39M | 0.0% |
| Marshall Wace | $12.16M | 0.0% |
| Marshall Wace | $12.16M | 0.0% |
| Point72 Asset Management | $11.85M | 0.0% |
| Universal- Beteiligungs- und… | $7.25M | 0.0% |
| Universal- Beteiligungs- und… | $7.25M | 0.0% |
Exited
| Man Group plc | $1.82M | was 0.0% |
| Qube Research & Technologies… | $602,565 | was 0.0% |
| State Of Wisconsin Investment… | $544,134 | was 0.0% |
| Balyasny Asset Management L.P. | $178,681 | was 0.0% |
| Group One Trading Llc | $39,453 | was 0.0% |
| Optiver Holding B.V. | $11,209 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 155 holders, 23.91M shares, $398.44M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
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)
Aug 17
Suriano Douglas A
Director · 3.80K sh · $201,529
Aug 17
Suriano Douglas A
Director · 200 sh · $10,833
Aug 10
Agarwal Devesh
Officer · 3.17K sh · $160,087
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Aug 14
SC 13G — Hood River Capital Management LLC
Jul 14
SC 13G/A — DIMENSIONAL FUND ADVISORS LP
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q2 2026 ·
Methodology ·
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