Security record · archived quarter
BAND
Bandwidth Inc. · Technology · Software - Infrastructure
71Tracked holders
+1Δ holders
15.74MShares held
$243.20MReported value
+1New positions
−0Exits
Momentum inputs (comparable managers):
holder breadth +1.4% ·
share flow +1.5% ·
net new positions +1.4%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2025
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 · Q4 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 2.87M | +0.2% | $44.38M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 2.87M | +0.2% | $44.38M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 2.87M | +0.2% | $44.38M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 2.87M | +0.2% | $44.38M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 2.87M | +0.2% | $44.38M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 2.87M | +0.2% | $44.38M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 2.87M | +0.2% | $44.38M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 2.87M | +0.2% | $44.38M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 2.87M | +0.2% | $44.38M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 2.87M | +0.2% | $44.38M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 2.87M | +0.2% | $44.38M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 2.87M | +0.2% | $44.38M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 13 | The Vanguard Group ✦ (passive) | 2.01M | +1.1% | $31.05M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 14 | The Vanguard Group ✦ (passive) | 2.01M | +1.1% | $31.05M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 15 | The Vanguard Group ✦ (passive) | 2.01M | +1.1% | $31.05M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 16 | The Vanguard Group ✦ (passive) | 2.01M | +1.1% | $31.05M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 17 | Dimensional Fund Advisors Lp | 1.46M | — | $22.55M | 0.0% | n/c | 1 | SEC ↗ |
| 18 | Dimensional Fund Advisors Lp | 1.46M | — | $22.55M | 0.0% | n/c | 1 | SEC ↗ |
| 19 | Dimensional Fund Advisors Lp | 1.46M | — | $22.55M | 0.0% | n/c | 1 | SEC ↗ |
| 20 | Dimensional Fund Advisors Lp | 1.46M | — | $22.55M | 0.0% | n/c | 1 | SEC ↗ |
| 21 | Geode Capital Management ✦ (passive) | 663.55K | -0.2% | $10.25M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 22 | Geode Capital Management ✦ (passive) | 663.55K | -0.2% | $10.25M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 23 | State Street Global Advisors ✦ (passive) | 649.43K | +2.6% | $10.03M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 24 | Renaissance Technologies ✦ | 618.90K | -4.6% | $9.56M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 25 | Goldman Sachs Group ✦ | 609.76K | +12.8% | $9.42M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 26 | Goldman Sachs Group ✦ | 609.76K | +12.8% | $9.42M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 27 | Ameriprise Financial Inc | 592.55K | — | $9.15M | 0.0% | n/c | 1 | SEC ↗ |
| 28 | Ameriprise Financial Inc | 592.55K | — | $9.15M | 0.0% | n/c | 1 | SEC ↗ |
| 29 | Ameriprise Financial Inc | 592.55K | — | $9.15M | 0.0% | n/c | 1 | SEC ↗ |
| 30 | Fidelity (FMR) ✦ | 545.59K | +49.3% | $8.43M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 31 | Fidelity (FMR) ✦ | 545.59K | +49.3% | $8.43M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 32 | Connor, Clark & Lunn Investment… | 528.98K | — | $8.17M | 0.0% | n/c | 1 | SEC ↗ |
| 33 | Wellington Management ✦ | 437.12K | 0.0% | $6.75M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 34 | Wellington Management ✦ | 437.12K | 0.0% | $6.75M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 35 | Wellington Management ✦ | 437.12K | 0.0% | $6.75M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 36 | Wellington Management ✦ | 437.12K | 0.0% | $6.75M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 37 | AQR Capital Management ✦ | 427.47K | -1.1% | $6.60M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 38 | AQR Capital Management ✦ | 427.47K | -1.1% | $6.60M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 39 | AQR Capital Management ✦ | 427.47K | -1.1% | $6.60M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 40 | AQR Capital Management ✦ | 427.47K | -1.1% | $6.60M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 41 | AQR Capital Management ✦ | 427.47K | -1.1% | $6.60M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 42 | AQR Capital Management ✦ | 427.47K | -1.1% | $6.60M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 43 | D. E. Shaw & Co. ✦ | 386.91K | +5.3% | $5.98M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 44 | D. E. Shaw & Co. ✦ | 386.91K | +5.3% | $5.98M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 45 | Nuveen, LLC | 359.71K | — | $5.56M | 0.0% | n/c | 1 | SEC ↗ |
| 46 | Nuveen, LLC | 359.71K | — | $5.56M | 0.0% | n/c | 1 | SEC ↗ |
| 47 | Nuveen, LLC | 359.71K | — | $5.56M | 0.0% | n/c | 1 | SEC ↗ |
| 48 | Assenagon Asset Management S.A. | 325.45K | — | $5.03M | 0.0% | n/c | 1 | SEC ↗ |
| 49 | Charles Schwab Investment… | 302.52K | — | $4.67M | 0.0% | n/c | 1 | SEC ↗ |
| 50 | Barclays Plc | 252.28K | — | $3.90M | 0.0% | n/c | 1 | SEC ↗ |
| 51 | Morgan Stanley ✦ | 245.25K | -17.4% | $3.79M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 52 | Morgan Stanley ✦ | 245.25K | -17.4% | $3.79M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 53 | Morgan Stanley ✦ | 245.25K | -17.4% | $3.79M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 54 | Morgan Stanley ✦ | 245.25K | -17.4% | $3.79M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 55 | Morgan Stanley ✦ | 245.25K | -17.4% | $3.79M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 56 | Morgan Stanley ✦ | 245.25K | -17.4% | $3.79M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 57 | Morgan Stanley ✦ | 245.25K | -17.4% | $3.79M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 58 | Morgan Stanley ✦ | 245.25K | -17.4% | $3.79M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 59 | Morgan Stanley ✦ | 245.25K | -17.4% | $3.79M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 60 | Two Sigma Investments ✦ | 240.89K | +44.7% | $3.72M | 0.0% | ▲ Add | 7 | SEC ↗ |
| 61 | Northern Trust Corp | 215.60K | — | $3.33M | 0.0% | n/c | 1 | SEC ↗ |
| 62 | Northern Trust Corp | 215.60K | — | $3.33M | 0.0% | n/c | 1 | SEC ↗ |
| 63 | Northern Trust Corp | 215.60K | — | $3.33M | 0.0% | n/c | 1 | SEC ↗ |
| 64 | Northern Trust Corp | 215.60K | — | $3.33M | 0.0% | n/c | 1 | SEC ↗ |
| 65 | UBS Group AG | 205.30K | — | $3.17M | 0.0% | n/c | 1 | SEC ↗ |
| 66 | UBS Group AG | 205.30K | — | $3.17M | 0.0% | n/c | 1 | SEC ↗ |
| 67 | UBS Group AG | 205.30K | — | $3.17M | 0.0% | n/c | 1 | SEC ↗ |
| 68 | Qube Research & Technologies Ltd | 176.53K | — | $2.73M | 0.0% | n/c | 1 | SEC ↗ |
| 69 | Arrowstreet Capital ✦ | 172.31K | -10.4% | $2.66M | 0.0% | ▼ Trim | 7 | SEC ↗ |
| 70 | Bank Of Montreal /Can/ | 145.62K | — | $2.25M | 0.0% | n/c | 1 | SEC ↗ |
| 71 | Bank Of Montreal /Can/ | 145.62K | — | $2.25M | 0.0% | n/c | 1 | SEC ↗ |
| 72 | Bank Of Montreal /Can/ | 145.62K | — | $2.25M | 0.0% | n/c | 1 | SEC ↗ |
| 73 | Hsbc Holdings Plc | 122.48K | — | $1.90M | 0.0% | n/c | 1 | SEC ↗ |
| 74 | Hsbc Holdings Plc | 122.48K | — | $1.90M | 0.0% | n/c | 1 | SEC ↗ |
| 75 | Alliancebernstein L.P. | 114.61K | — | $1.77M | 0.0% | n/c | 1 | SEC ↗ |
| 76 | Bank of New York Mellon Corp | 103.35K | — | $1.60M | 0.0% | n/c | 1 | SEC ↗ |
| 77 | Bank of New York Mellon Corp | 103.35K | — | $1.60M | 0.0% | n/c | 1 | SEC ↗ |
| 78 | Bank of New York Mellon Corp | 103.35K | — | $1.60M | 0.0% | n/c | 1 | SEC ↗ |
| 79 | Bank of New York Mellon Corp | 103.35K | — | $1.60M | 0.0% | n/c | 1 | SEC ↗ |
| 80 | Mercer Global Advisors Inc /Adv | 102.04K | — | $1.58M | 0.0% | n/c | 1 | SEC ↗ |
| 81 | Susquehanna International Group, Llp | 92.83K | — | $1.43M | 0.0% | n/c | 1 | SEC ↗ |
| 82 | Susquehanna International Group, Llp | 92.83K | — | $1.43M | 0.0% | n/c | 1 | SEC ↗ |
| 83 | Bank Of America Corp /De/ | 71.00K | — | $1.10M | 0.0% | n/c | 1 | SEC ↗ |
| 84 | Bank Of America Corp /De/ | 71.00K | — | $1.10M | 0.0% | n/c | 1 | SEC ↗ |
| 85 | Bank Of America Corp /De/ | 71.00K | — | $1.10M | 0.0% | n/c | 1 | SEC ↗ |
| 86 | Bank Of America Corp /De/ | 71.00K | — | $1.10M | 0.0% | n/c | 1 | SEC ↗ |
| 87 | Invesco Ltd. | 66.99K | — | $1.03M | 0.0% | n/c | 1 | SEC ↗ |
| 88 | Invesco Ltd. | 66.99K | — | $1.03M | 0.0% | n/c | 1 | SEC ↗ |
| 89 | Invesco Ltd. | 66.99K | — | $1.03M | 0.0% | n/c | 1 | SEC ↗ |
| 90 | Invesco Ltd. | 66.99K | — | $1.03M | 0.0% | n/c | 1 | SEC ↗ |
| 91 | Franklin Resources Inc | 58.14K | — | $898,278 | 0.0% | n/c | 1 | SEC ↗ |
| 92 | Franklin Resources Inc | 58.14K | — | $898,278 | 0.0% | n/c | 1 | SEC ↗ |
| 93 | Franklin Resources Inc | 58.14K | — | $898,278 | 0.0% | n/c | 1 | SEC ↗ |
| 94 | Russell Investments Group, Ltd. | 38.80K | — | $599,470 | 0.0% | n/c | 1 | SEC ↗ |
| 95 | Russell Investments Group, Ltd. | 38.80K | — | $599,470 | 0.0% | n/c | 1 | SEC ↗ |
| 96 | Russell Investments Group, Ltd. | 38.80K | — | $599,470 | 0.0% | n/c | 1 | SEC ↗ |
| 97 | Russell Investments Group, Ltd. | 38.80K | — | $599,470 | 0.0% | n/c | 1 | SEC ↗ |
| 98 | Russell Investments Group, Ltd. | 38.80K | — | $599,470 | 0.0% | n/c | 1 | SEC ↗ |
| 99 | Russell Investments Group, Ltd. | 38.80K | — | $599,470 | 0.0% | n/c | 1 | SEC ↗ |
| 100 | Russell Investments Group, Ltd. | 38.80K | — | $599,470 | 0.0% | n/c | 1 | 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
| No tracked exits this quarter. |
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: Q4 2025 ·
Methodology ·
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