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BAND · Bandwidth Inc. · Holdings

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$56.87 +5.25 (+10.17%) At close · Sep 11
Market Cap
$1.80B
Shares
32.18M

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.

Holders: 241
Total Value: $1,993,878,635
Total Shares: 31,498,875
Showing 1–100 of 251 holdings by value · page 1 of 3

Institutional Ownership Trend

26 quarters

Holder Concentration

Across 241 13F filers · Δ vs Mar 31, 2026
Top Holder
7.8%
Sep 2023 → Jun 2026 · range 7.8% – 15.8%
−4.5 pts
Top 5
27.8%
Sep 2023 → Jun 2026 · range 27.8% – 38.8%
−6.0 pts
Top 10
41.8%
Sep 2023 → Jun 2026 · range 41.8% – 53.7%
−5.8 pts
HHI
279
Sep 2023 → Jun 2026 · range 279 – 496
Broadly held−98

Quarterly Activity

vs Mar 31, 2026
New
109
Increased
64
Decreased
51
Sold Out
24
Unchanged
17
Holder count: +85
Institutional value: +365.1%
Shares held: +30.9%

Top Buyers

vs Mar 31, 2026
Institution Added Now Holds Open

Top Sellers

vs Mar 31, 2026
Institution Sold Now Holds Open

Top New Positions

vs Mar 31, 2026
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Mar 31, 2026
Institution Previously Held Last Value (USD) Open
Showing 100 of 251
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Holder Value (USD) % of 13F Shares Open
Key facts CIK 1514416 CUSIP 05988J103 13F (30d) 120 filings 120 filers Visit website Investor relations