BAND · Bandwidth Inc. · Holdings
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Institutional Ownership Trend
Superinvestors Holding BAND
All superinvestors →Holder Concentration
Across 241 13F filersWho Holds BAND
Last 8 quarters through Sep 30, 2026 (filing window open)Each kind of 13F filer's share of the common shares 13F filers report. Holder type comes from regulatory records, never the filer's name; style, turnover and horizon are measured from each filer's own 13F book. The quarter selector does not change this card.
Jun 30, 2026, the newest closed quarter: 240 filers, like-for-like change +27.3%; actively managed books +37.2%; index-like books +4.2%.
| Holder type | Share | Filers | Change |
|---|---|---|---|
| Registered adviser | 54.0% | 132 | +33.3% |
| Exempt adviser | 0.8% | 5 | +587.8% |
| Adviser | 2.2% | 6 | -24.0% |
| Bank | 6.5% | 18 | +10.4% |
| Insurer | 0.2% | 2 | +48.1% |
| Broker-dealer | 0.0% | 1 | +197.7% |
| Benefit plan | 0.0% | 3 | -53.8% |
| Non-US | 1.2% | 9 | +31.2% |
| Holding company | 16.1% | 10 | +9.4% |
| Unknown | 18.9% | 54 | +42.9% |
| Style | Share | Filers | Change |
|---|---|---|---|
| Index-like | 24.7% | 22 | +4.2% |
| Systematic-like | 11.1% | 21 | +147.6% |
| Concentrated | 1.5% | 27 | +129.0% |
| Diversified active | 62.8% | 170 | +26.1% |
| Not measured | 0.0% | 0 | — |
| Unknown | 0.0% | 0 | — |
| Turnover | Share | Filers | Change |
|---|---|---|---|
| Low turnover | 34.4% | 111 | +2.5% |
| Medium turnover | 34.7% | 67 | +55.6% |
| High turnover | 20.5% | 49 | +97.8% |
| Unknown | 10.4% | 13 | -15.8% |
| Not measured | 0.0% | 0 | — |
| Holding horizon | Share | Filers | Change |
|---|---|---|---|
| Short horizon | 11.4% | 29 | -18.4% |
| Medium horizon | 14.4% | 36 | -1.9% |
| Long horizon | 52.3% | 151 | +17.9% |
| Unknown | 21.9% | 24 | +292.8% |
| Not measured | 0.0% | 0 | — |
| 13F book size | Share | Filers | Change |
|---|---|---|---|
| Under $1B | 6.9% | 36 | -33.1% |
| $1B to $10B | 7.8% | 63 | +10.6% |
| $10B to $100B | 25.8% | 76 | +109.6% |
| $100B or more | 59.5% | 65 | +21.6% |
| Not measured | 0.0% | 0 | — |
| Client base | Share | Filers | Change |
|---|---|---|---|
| Individuals and high net worth | 2.0% | 47 | +21.0% |
| Pooled investment vehicles | 14.5% | 36 | +41.4% |
| Registered funds and BDCs | 23.4% | 19 | +51.5% |
| Pension and profit sharing plans | 0.0% | 2 | +1873.3% |
| Insurance companies | 0.1% | 3 | -28.5% |
| Governments and sovereign funds | 4.6% | 7 | -33.7% |
| Other investment advisers | 0.0% | 2 | +1703.3% |
| Diversified | 9.4% | 16 | +53.3% |
| Other | 0.0% | 0 | — |
| Unknown | 46.0% | 108 | +20.8% |
| Private funds | Share | Filers | Change |
|---|---|---|---|
| Hedge funds | 26.4% | 49 | +34.2% |
| Private equity funds | 7.9% | 9 | +3553.3% |
| Venture capital funds | 0.0% | 2 | +12.2% |
| Real estate funds | 0.0% | 3 | +807.6% |
| Securitized asset funds | 0.0% | 1 | 0.0% |
| Other private funds | 6.6% | 20 | -5.0% |
| Mixed private funds | 0.4% | 2 | -48.3% |
| Private funds, type not stated | 0.1% | 2 | new |
| No private funds | 13.4% | 49 | +3.2% |
| Unknown | 45.2% | 103 | +19.1% |
| Location | Share | Filers | Change |
|---|---|---|---|
| United States | 93.4% | 197 | +33.4% |
| Outside the US | 6.6% | 43 | -23.0% |
The Sep 30, 2026 filing window is still open, so its bar carries the Jun 30, 2026 positions of filers that have not filed yet.
How the mix is measured
Shares are 13F common shares restated to today's split basis; options and principal amounts are left out. The change compares only filers with a 13F in both quarters and keeps each filer in its bucket of the later quarter on both sides; a filer that continues under a new CIK is compared through its successor. Holder type comes from each filer's current regulatory profile; client base and private funds come from the Form ADV roster current at each quarter end (rosters from December 2019, so an earlier quarter reads Unknown). Style, turnover, horizon and book size are measured from each filer's 13F book in the newest measured quarter, and Not measured means none was. Actively managed books are those measured systematic-like, concentrated or diversified active.
Excluded 2 holders with no observed 2026-06-30 13F.
Conviction and Crowding
240 13F filers, quarter ended Jun 30, 2026Measured across every 13F filer's common-share book once the quarter's filing window closed. Crowding counts filers with high turnover or that advise private funds on Form ADV.
Managers in the top fifth by current three-year FundScore alpha were net sellers of $31,752,474 (1 buying, 1 selling).
Estimated Holder Cost Basis
Quarter ended Jun 30, 2026, on that quarter's share basisEstimated, never filed: each 13F buy is costed at its quarter's average traded price and each sale keeps the average cost, so this is what holders paid on average if they traded evenly through each quarter.
Estimated cost covers 56.7% of the 13F shares; positions already held when a filer's 13F history starts, or bought in a quarter without a trusted average price, have no estimate.
Shared Holders
Companies BAND's active holders also own, quarter ended Jun 30, 2026Shareholder Targets
13F filers that own its peers but not BAND, quarter ended Jun 30, 2026Found through its holder-overlap peers: FSLY, RSI, SEZL, DAVE, APPS, OOMA, SILC, PRCH, VERX, XMTR, FROG, PD, DOCN, SMWB, BRZE, ALNT, VYX, TCMD, SMTC, CDNA. 1,148 filers in all.
| # | Filer | In peers | Largest peers |
|---|---|---|---|
| 1 | PRIMECAP MANAGEMENT CO/CA/ Registered adviser, Diversified active | $640,512,221 1 held | XMTR |
| 2 | MASSACHUSETTS FINANCIAL SERVICES CO /MA/ Registered adviser, Diversified active | $490,348,409 5 held | FROG, DOCN, SMTC |
| 3 | Capital Research Global Investors Adviser, Diversified active | $478,174,819 1 held | SMTC |
| 4 | Optimus Prime Fund Management Co., Ltd. Unknown, Concentrated | $411,515,600 3 held | FROG, BRZE, PD |
| 5 | Whale Rock Capital Management LLC Registered adviser, Diversified active | $405,181,482 1 held | FROG |
| 6 | BNP PARIBAS ASSET MANAGEMENT Holding S.A. Non-US, Diversified active | $400,347,335 16 held | FROG, DOCN, VYX |
| 7 | LORD, ABBETT & CO. LLC Registered adviser, Diversified active | $362,383,658 7 held | FROG, DOCN, SMTC |
| 8 | NORGES BANK Non-US, Index-like | $342,933,814 4 held | SMTC, FROG, VERX |
| 9 | WESTFIELD CAPITAL MANAGEMENT CO LP Registered adviser, Diversified active | $341,484,997 3 held | SMTC, FROG, BRZE |
| 10 | Granahan Investment Management, LLC Registered adviser, Diversified active | $304,672,162 6 held | PRCH, APPS, DAVE |
Fund Ownership of BAND by Fund Type
Registered funds' Form N-PORT reports for the quarter ended Jun 30, 2026Index funds and index ETFs hold 13.78% of shares outstanding.
| Fund type | Of shares outstanding | Shares |
|---|---|---|
| Index funds | 3.04% | 976,953 |
| Index ETFs | 10.74% | 3,457,477 |
| Active ETFs | 3.39% | 1,089,550 |
| Active funds | 15.60% | 5,019,789 |
| Unclassified | 0.17% | 55,726 |
| All registered funds | 32.94% | 10,599,495 |
How fund types are measured
Each fund series counts once, with its latest Form N-PORT report dated inside the quarter; only long share positions count, restated to today's split basis. The fund type is the series' latest Form N-CEN answer on or before the quarter end (the index-fund box and the exchange-traded flag), never its name. Unclassified funds have no usable N-CEN; unit investment trusts are among them, so index ownership is a floor. Funds sit inside their advisers' 13F reports, so these shares overlap the 13F figures and are never added to them.
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Mega BlackRock, Inc. Holding company | $155,962,142 | 7.89% | 2,463,857 | Shares | 2026-08-07 | |
| Large Hood River Capital Management LLC Registered adviser | $145,331,989 | 7.36% | 2,295,924 | Shares | 2026-08-14 | |
| Large Driehaus Capital Management LLC Registered adviser | $87,917,306 | 4.45% | 1,388,899 | Shares | 2026-08-14 | |
| Mega D. E. Shaw & Co., Inc. | $82,989,464 | 4.20% | 1,311,050 | Shares | 2026-08-14 | |
| Mega VANGUARD CAPITAL MANAGEMENT LLC Registered adviser | $81,318,851 | 4.12% | 1,284,658 | Shares | 2026-08-13 | |
| Mega STATE STREET CORP Bank | $59,554,918 | 3.01% | 940,836 | Shares | 2026-09-22 | |
| Mega DIMENSIONAL FUND ADVISORS LP Registered adviser | $59,385,716 | 3.01% | 938,163 | Shares | 2026-08-11 | |
| Mega WELLINGTON MANAGEMENT GROUP LLP Holding company | $57,722,825 | 2.92% | 911,893 | Shares | 2026-08-14 | |
| Mega TWO SIGMA INVESTMENTS, LP Registered adviser | $52,217,625 | 2.64% | 824,923 | Shares | 2026-08-14 | |
| Mega ARROWSTREET CAPITAL, LIMITED PARTNERSHIP Registered adviser | $50,268,429 | 2.54% | 794,130 | Shares | 2026-08-13 | |
| Large ACADIAN ASSET MANAGEMENT LLC | $50,141,955 | 2.54% | 792,132 | Shares | 2026-08-13 | |
| Small CYPRESS POINT INVESTMENT MANAGEMENT LP Registered adviser | $49,094,277 | 2.48% | 775,581 | Shares | 2026-08-13 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC Registered adviser | $48,582,812 | 2.46% | 767,501 | Shares | 2026-08-12 | |
| Mega JANE STREET GROUP, LLC | $45,602,522 | 2.31% | 720,419 | Shares | 2026-08-14 | |
| Mega VANGUARD PORTFOLIO MANAGEMENT LLC Registered adviser | $41,747,362 | 2.11% | 659,516 | Shares | 2026-08-13 | |
| Mega Nuveen, LLC | $41,057,772 | 2.08% | 648,622 | Shares | 2026-08-11 | |
| Large RENAISSANCE TECHNOLOGIES LLC Registered adviser | $40,765,200 | 2.06% | 644,000 | Shares | 2026-08-13 | |
| Mega FMR LLC Holding company | $34,449,188 | 1.74% | 544,221 | Shares | 2026-08-13 | |
| Mega AMERIPRISE FINANCIAL INC Adviser | $33,957,853 | 1.72% | 536,459 | Shares | 2026-08-14 | |
| Large Connor, Clark & Lunn Investment Management Ltd. Registered adviser | $30,796,905 | 1.56% | 486,523 | Shares | 2026-08-13 | |
| Mega UBS Group AG Bank | $27,558,288 | 1.39% | 435,360 | Call | 2026-08-13 | |
| Mid Portolan Capital Management, LLC | $26,123,973 | 1.32% | 412,701 | Shares | 2026-08-14 | |
| Mega CITADEL ADVISORS LLC Registered adviser | $24,241,430 | 1.23% | 382,961 | Shares | 2026-09-02 | |
| Mega AQR CAPITAL MANAGEMENT LLC Registered adviser | $24,125,019 | 1.22% | 381,122 | Shares | 2026-08-14 | |
| Small G2 Investment Partners Management LLC Registered adviser | $23,227,175 | 1.18% | 366,938 | Shares | 2026-08-14 | |
| Mega GOLDMAN SACHS GROUP INC Holding company | $21,918,763 | 1.11% | 346,268 | Shares | 2026-08-14 | |
| Mega JENNISON ASSOCIATES LLC Registered adviser | $19,955,071 | 1.01% | 315,246 | Shares | 2026-08-03 | |
| Small Archon Capital Management LLC Registered adviser | $19,714,341 | 1.00% | 311,443 | Shares | 2026-08-14 | |
| Mega MORGAN STANLEY Holding company | $18,156,774 | 0.92% | 286,837 | Shares | 2026-08-13 | |
| Mega NORTHERN TRUST CORP Bank | $15,910,137 | 0.81% | 251,345 | Shares | 2026-08-13 | |
| Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC Registered adviser | $15,784,298 | 0.80% | 249,357 | Shares | 2026-08-14 | |
| Mid BRIDGEWAY CAPITAL MANAGEMENT, LLC Registered adviser | $14,937,154 | 0.76% | 235,974 | Shares | 2026-08-14 | |
| Mid Dana Investment Advisors, Inc. Registered adviser | $14,619,008 | 0.74% | 230,948 | Shares | 2026-08-13 | |
| Large PANAGORA ASSET MANAGEMENT INC Registered adviser | $14,611,032 | 0.74% | 230,822 | Shares | 2026-08-06 | |
| Mega SEI INVESTMENTS CO Holding company | $14,387,203 | 0.73% | 227,286 | Shares | 2026-08-14 | |
| Mega VANGUARD FIDUCIARY TRUST CO | $13,468,024 | 0.68% | 212,765 | Shares | 2026-08-13 | |
| Mega BANK OF MONTREAL /CAN/ Bank | $12,196,643 | 0.62% | 192,680 | Shares | 2026-08-12 | |
| Mega MARSHALL WACE, LLP Exempt adviser | $12,158,789 | 0.62% | 192,082 | Shares | 2026-08-13 | |
| Mid Parcion Private Wealth LLC Registered adviser | $11,912,743 | 0.60% | 188,195 | Shares | 2026-07-27 | |
| Large Point72 Asset Management, L.P. Registered adviser | $11,854,824 | 0.60% | 187,280 | Shares | 2026-08-14 | |
| Large Jump Financial, LLC | $11,204,795 | 0.57% | 177,011 | Shares | 2026-08-13 | |
| Mega UBS Group AG Bank | $11,135,734 | 0.56% | 175,920 | Shares | 2026-08-13 | |
| Mega CITIGROUP INC Bank | $10,247,509 | 0.52% | 161,888 | Shares | 2026-08-03 | |
| Large Empowered Funds, LLC Registered adviser | $10,189,654 | 0.52% | 160,974 | Shares | 2026-08-17 | |
| Large Trexquant Investment LP Registered adviser | $10,052,040 | 0.51% | 158,800 | Shares | 2026-08-14 | |
| Mega BNP PARIBAS ARBITRAGE, SA Non-US | $9,661,858 | 0.49% | 152,636 | Shares | 2026-08-13 | |
| Small Pier Capital, LLC Registered adviser | $8,885,167 | 0.45% | 140,366 | Shares | 2026-08-05 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $8,431,560 | 0.43% | 133,200 | Call | 2026-08-14 | |
| Small HERALD INVESTMENT MANAGEMENT Ltd Non-US | $7,849,200 | 0.40% | 124,000 | Shares | 2026-07-23 | |
| Large Universal- Beteiligungs- und Servicegesellschaft mbH | $7,245,824 | 0.37% | 114,468 | Shares | 2026-08-06 | |
| Mega Russell Investments Group, Ltd. | $7,191,891 | 0.36% | 113,616 | Shares | 2026-08-06 | |
| Mega ALLIANCEBERNSTEIN L.P. Registered adviser | $7,153,659 | 0.36% | 113,012 | Shares | 2026-08-14 | |
| Mega Bank of New York Mellon Corp Bank | $6,711,318 | 0.34% | 106,024 | Shares | 2026-08-06 | |
| Large ROYCE & ASSOCIATES LP Registered adviser | $6,679,669 | 0.34% | 105,524 | Shares | 2026-08-14 | |
| Mid CSM Advisors, LLC | $6,515,025 | 0.33% | 102,923 | Shares | 2026-08-14 | |
| Mega RAYMOND JAMES FINANCIAL INC | $6,442,673 | 0.33% | 101,780 | Shares | 2026-08-14 | |
| Small Ma Investment Partnership, LP | $6,330,000 | 0.32% | 100,000 | Shares | 2026-08-17 | |
| Mid SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC Registered adviser | $6,330,000 | 0.32% | 100,000 | Call | 2026-08-14 | |
| Mid Blue Trust, Inc. | $5,933,916 | 0.30% | 97,742 | Shares | 2026-10-15 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $5,752,134 | 0.29% | 90,871 | Shares | 2026-08-14 | |
| Mid BOOTHBAY FUND MANAGEMENT, LLC Registered adviser | $5,638,067 | 0.29% | 89,069 | Shares | 2026-08-14 | |
| Mid Divisadero Street Capital Management, LP Registered adviser | $5,447,914 | 0.28% | 86,065 | Shares | 2026-08-14 | |
| Large PEAK6 LLC Broker-dealer | $5,260,230 | 0.27% | 83,100 | Call | 2026-08-13 | |
| Mid ANTIPODES PARTNERS Ltd Registered adviser | $5,225,478 | 0.26% | 82,551 | Shares | 2026-08-06 | |
| Mega JANE STREET GROUP, LLC | $5,196,930 | 0.26% | 82,100 | Call | 2026-08-14 | |
| Mega CITADEL ADVISORS LLC Registered adviser | $5,127,300 | 0.26% | 81,000 | Call | 2026-09-02 | |
| Mega MILLENNIUM MANAGEMENT LLC Registered adviser | $4,998,231 | 0.25% | 78,961 | Shares | 2026-08-14 | |
| Large Quantinno Capital Management LP Registered adviser | $4,915,814 | 0.25% | 77,659 | Shares | 2026-08-13 | |
| Large VOLORIDGE INVESTMENT MANAGEMENT, LLC Registered adviser | $4,568,994 | 0.23% | 72,180 | Shares | 2026-08-14 | |
| Mid SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC Registered adviser | $4,557,600 | 0.23% | 72,000 | Shares | 2026-08-14 | |
| Mid ALGERT GLOBAL LLC Registered adviser | $4,493,160 | 0.23% | 70,982 | Shares | 2026-08-13 | |
| Mid CASTLEARK MANAGEMENT LLC Registered adviser | $4,360,104 | 0.22% | 68,880 | Shares | 2026-08-14 | |
| Mega FRANKLIN RESOURCES INC Adviser | $4,211,917 | 0.21% | 66,539 | Shares | 2026-08-13 | |
| Mid Aquatic Capital Management LLC Registered adviser | $4,092,978 | 0.21% | 64,660 | Shares | 2026-08-14 | |
| Large MERCER GLOBAL ADVISORS INC /ADV Registered adviser | $4,040,628 | 0.20% | 63,833 | Shares | 2026-08-19 | |
| Mega NEUBERGER BERMAN GROUP LLC Holding company | $3,828,257 | 0.19% | 60,478 | Shares | 2026-10-27 | |
| Large Robeco Institutional Asset Management B.V. | $3,523,669 | 0.18% | 58,041 | Shares | 2026-10-20 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $3,487,830 | 0.18% | 55,100 | Put | 2026-08-14 | |
| Mega PRINCIPAL FINANCIAL GROUP INC Insurer | $3,329,959 | 0.17% | 52,606 | Shares | 2026-08-04 | |
| Large TUDOR INVESTMENT CORP ET AL Registered adviser | $3,274,002 | 0.17% | 51,722 | Shares | 2026-08-14 | |
| Mega AMERICAN CENTURY COMPANIES INC | $3,257,164 | 0.16% | 51,456 | Shares | 2026-08-12 | |
| Mid FORA Capital, LLC Registered adviser | $3,196,206 | 0.16% | 50,493 | Shares | 2026-08-13 | |
| Mega Invesco Ltd. Adviser | $3,104,863 | 0.16% | 49,050 | Shares | 2026-08-14 | |
| Small GLOBEFLEX CAPITAL L P Registered adviser | $2,865,464 | 0.15% | 45,268 | Shares | 2026-08-12 | |
| Mid SIMPLEX TRADING, LLC | $2,839,638 | 0.14% | 44,860 | Shares | 2026-08-12 | |
| Large Jefferies Financial Group Inc. Holding company | $2,684,869 | 0.14% | 42,415 | Shares | 2026-08-17 | |
| Mid Informed Momentum Co LLC Registered adviser | $2,636,065 | 0.13% | 41,644 | Shares | 2026-08-13 | |
| Mega BANK OF AMERICA CORP /DE/ Bank | $2,634,862 | 0.13% | 41,625 | Shares | 2026-08-14 | |
| Mid Sone Capital Management, LLC Registered adviser | $2,538,583 | 0.13% | 40,104 | Shares | 2026-08-14 | |
| Mid LANDSCAPE CAPITAL MANAGEMENT, L.L.C. Registered adviser | $2,534,087 | 0.13% | 40,033 | Shares | 2026-08-12 | |
| Mega PRICE T ROWE ASSOCIATES INC /MD/ Registered adviser | $2,517,314 | 0.13% | 39,768 | Shares | 2026-08-14 | |
| Mega WELLS FARGO & COMPANY/MN Bank | $2,440,973 | 0.12% | 38,562 | Shares | 2026-08-14 | |
| Large IEQ CAPITAL, LLC Registered adviser | $2,431,796 | 0.12% | 38,417 | Shares | 2026-08-11 | |
| Mega RHUMBLINE ADVISERS Registered adviser | $2,399,133 | 0.12% | 37,901 | Shares | 2026-08-12 | |
| Large Point72 Asset Management, L.P. Registered adviser | $2,361,090 | 0.12% | 37,300 | Call | 2026-08-14 | |
| Mid Engineers Gate Manager LP | $2,218,221 | 0.11% | 35,043 | Shares | 2026-08-14 | |
| Mega DEUTSCHE BANK AG\ Non-US | $2,194,610 | 0.11% | 34,670 | Shares | 2026-08-07 | |
| Large Quadrature Capital Ltd | $2,122,955 | 0.11% | 33,538 | Shares | 2026-08-07 | |
| Mid SEGALL BRYANT & HAMILL, LLC Registered adviser | $2,111,371 | 0.11% | 33,355 | Shares | 2026-08-12 | |
| Small NANO CAP NEW MILLENNIUM GROWTH FUND L P | $2,057,250 | 0.10% | 32,500 | Shares | 2026-08-14 |
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