Bandwidth Inc.
Bandwidth Inc. (BAND) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · BAND · as of Sep 30, 2025
Ownership Breakdown
162
Institutional Holders
▼ 3 vs Q2
$350.14M
Total Inst. Value
▲ $15.26M vs Q2
32.02M
Shares Outstanding
freeFloat 90.54%
21.00M
13F Shares Held
▼ 57,962 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
BAND largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. services-prepackaged software | 2.87M | 9.59% | 9.59% | $47.76B | Nov 12, 2025 | ▼ 22.3K |
VANGUARD GROUP INC services-prepackaged software | 1.99M | 6.65% | 6.65% | $33.15B | Nov 7, 2025 | ▲ 67.4K |
DIMENSIONAL FUND ADVISORS LP services-prepackaged software | 1.46M | 4.90% | 4.90% | $24.42B | Nov 12, 2025 | ▲ 30.2K |
ACADIAN ASSET MANAGEMENT LLC services-prepackaged software | 800.3K | 2.68% | 2.68% | $13.34B | Nov 13, 2025 | ▲ 71.6K |
PORTOLAN CAPITAL MANAGEMENT, LLC services-prepackaged software | 745.8K | 2.50% | 2.50% | $12.43B | Nov 13, 2025 | ▲ 400.2K |
GEODE CAPITAL MANAGEMENT, LLC services-prepackaged software | 664.9K | 2.22% | 2.22% | $11.09B | Nov 12, 2025 | ▲ 16.1K |
RENAISSANCE TECHNOLOGIES LLC services-prepackaged software | 648.9K | 2.17% | 2.17% | $10.82B | Nov 13, 2025 | ▼ 68.7K |
AMERIPRISE FINANCIAL INC services-prepackaged software | 642.3K | 2.15% | 2.15% | $10.71B | Nov 14, 2025 | ▲ 61.0K |
CONNOR, CLARK & LUNN INVESTMENT MANAGEMENT LTD. services-prepackaged software | 641.2K | 2.15% | 2.15% | $10.69B | Nov 13, 2025 | ▼ 39.8K |
STATE STREET CORP services-prepackaged software | 632.8K | 2.12% | 2.12% | $10.55B | Nov 14, 2025 | ▲ 29.9K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
24
Increased
+1.47M shares4
New Positions
first time holders20
Decreased
−1.35M shares0
Sold Out
fully exitedNet shares change (top 50)
+127.8K
+1.47M / −1.35M
Net new holders
+8
4 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
BAND insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
21
Buy transactions
63
Sell transactions
0.33
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Morken David A. Chairman & CEO | Jun 3, 2026 | Gift | 7,198 | — | — | 0 | Form 4 ↗ |
Krupka Devin M Controller, PAO | May 29, 2026 | Sale | 684 | $58.37 | $39.9K | 26.9K | Form 4 ↗ |
Krupka Devin M Controller, PAO | May 29, 2026 | Sale | 512 | $59.48 | $30.5K | 26.4K | Form 4 ↗ |
Krupka Devin M Controller, PAO | May 29, 2026 | Sale | 2 | $60.00 | $120 | 26.4K | Form 4 ↗ |
Ross Kade Chief Information Officer | May 29, 2026 | Sale | 907 | $58.37 | $52.9K | 48.7K | Form 4 ↗ |
Ross Kade Chief Information Officer | May 29, 2026 | Sale | 678 | $59.48 | $40.3K | 48.0K | Form 4 ↗ |
Ross Kade Chief Information Officer | May 29, 2026 | Sale | 3 | $60.00 | $180 | 48.0K | Form 4 ↗ |
Asbill Richard Brandon General Counsel | May 29, 2026 | Sale | 1,017 | $58.37 | $59.4K | 33.0K | Form 4 ↗ |
Asbill Richard Brandon General Counsel | May 29, 2026 | Sale | 761 | $59.48 | $45.3K | 32.2K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Bandwidth Inc. (BAND) is primarily owned by institutional investors, who hold approximately 65.6% of total shares outstanding. Company insiders own approximately 9.46%, while retail and public investors account for the remaining 24.94%.
The largest institutional shareholder of Bandwidth Inc. is BLACKROCK, INC., holding approximately 2.87 million shares — equal to 9.59% of outstanding shares — as of September 30, 2025.
A total of 162 institutional investors currently hold BAND stock, with a combined institutional value of approximately $350,135,393 as of the most recent 13F filing period.
Frequently asked questions
BAND ownershipBandwidth Inc. (BAND) is primarily owned by institutional investors, who hold approximately 65.6% of shares. The largest shareholder is BLACKROCK, INC. with a 9.59% stake. Company insiders hold 9.46%. Data sourced from SEC Form 13F as of September 30, 2025.