Bandwidth BAND Institutional Ownership

NASDAQ BAND

$62.44 +1.73 (+2.85%)

At close: Oct 1, 2026 · 4:00 PM EDT

Institutions by Trading Activity

242 Institutions

Increased 173 71.5%

Unchanged 17 7.0%

Reduced 52 21.5%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

99.63%

▲+20.03 pp QoQ

Shares Held by Institutions

30.68Mn

of 30.80Mn outstanding

▲+33.63% QoQ

Shares Outstanding

30.80Mn

114.53K held outside 13F filers

Institutional Investors

242

filed 13F for Jun 2026

▲+86 vs prior quarter

Net Shares Added (QoQ)

+7.72Mn

accumulated since last quarter

Value of Holdings

$1.86Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Bandwidth Inc. (NASDAQ:BAND) has 242 institutional investors that have filed 13F reports for the period ending June 2026.

They owned 99.6% of outstanding stock in June 2026, up from 79.6% the prior quarter.
Their total shares held in BAND increased 33.63% from the prior quarter, while the number of investors in Bandwidth increased 53.16% year over year.
Activity in BAND broke down as 173 buyers, 52 sellers, and 17 unchanged among 242 total holders.
In total, institutional investors held 30.68Mn shares in Bandwidth as of June 2026, up by 7.72Mn shares quarter on quarter, and up 9.79Mn shares year over year.
As of June 30, 2026, the biggest holder of Bandwidth is BlackRock, Inc. at 2.46Mn shares, representing 8.0% of shares outstanding.
The biggest buyers of Bandwidth for the quarter ending June 2026 included Hood River Capital Management LLC (2.3Mn), DRIEHAUS CAPITAL MANAGEMENT LLC (1.39Mn), D. E. Shaw & Co., Inc. (961.19K), JANE STREET GROUP, LLC (630.57K), WELLINGTON MANAGEMENT GROUP LLP (530.18K).
The largest sales of BAND for the quarter ending June 2026 came from CYPRESS POINT INVESTMENT MANAGEMENT LP (807.62K), DIMENSIONAL FUND ADVISORS LP (613.34K), BlackRock, Inc. (493.85K), CSM Advisors, LLC (331.06K), Archon Capital Management LLC (271.68K).
Bandwidth's 10 largest shareholders as of June 2026 include BlackRock, Inc. (2.46Mn), Hood River Capital Management LLC (2.3Mn), DRIEHAUS CAPITAL MANAGEMENT LLC (1.39Mn), D. E. Shaw & Co., Inc. (1.31Mn), VANGUARD CAPITAL MANAGEMENT LLC (1.28Mn), State Street Corp (940.84K), DIMENSIONAL FUND ADVISORS LP (938.16K), WELLINGTON MANAGEMENT GROUP LLP (911.89K), TWO SIGMA INVESTMENTS, LP (824.92K), ARROWSTREET CAPITAL, LIMITED PARTNERSHIP (794.13K) per Business Quant data.

Form 13F Holdings

242 Institutional Holders

Report period 30 Jun, 2026

Total shares held 30.68Mn

Of outstanding 99.63%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	2,463,857	8.00%	▼493,851	-16.70%	$155.96Mn
2	Hood River Capital Management LLC	0001578177	2,295,924	7.45%	▲2,295,924	0.00%	$145.33Mn
3	DRIEHAUS CAPITAL MANAGEMENT LLC	0000938206	1,388,899	4.51%	▲1,388,899	0.00%	$87.92Mn
4	D. E. Shaw & Co., Inc.	0001009207	1,311,050	4.26%	▲961,190	+274.74%	$82.99Mn
5	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	1,284,658	4.17%	▲89,780	+7.51%	$81.32Mn
6	State Street Corp	0000093751	940,836	3.05%	▲217,541	+30.08%	$59.55Mn
7	DIMENSIONAL FUND ADVISORS LP	0000354204	938,163	3.05%	▼613,345	-39.53%	$59.38Mn
8	WELLINGTON MANAGEMENT GROUP LLP	0000902219	911,893	2.96%	▲530,182	+138.90%	$57.72Mn
9	TWO SIGMA INVESTMENTS, LP	0001179392	824,923	2.68%	▲330,991	+67.01%	$52.22Mn
10	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	0001164508	794,130	2.58%	▲105,700	+15.35%	$50.27Mn
11	ACADIAN ASSET MANAGEMENT LLC	0000916542	792,132	2.57%	▼40,556	-4.87%	$50.11K
12	CYPRESS POINT INVESTMENT MANAGEMENT LP	0002058475	775,581	2.52%	▼807,618	-51.01%	$49.09Mn
13	GEODE CAPITAL MANAGEMENT, LLC	0001214717	767,501	2.49%	▲74,041	+10.68%	$48.59Mn
14	JANE STREET GROUP, LLC	0001595888	720,419	2.34%	▲630,572	+701.83%	$45.60Mn
15	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	659,516	2.14%	▲115,607	+21.25%	$41.75Mn
16	Nuveen, LLC	0001871926	648,622	2.11%	▲299,447	+85.76%	$41.06Mn
17	RENAISSANCE TECHNOLOGIES LLC	0001037389	644,000	2.09%	▼981	-0.15%	$40.77Mn
18	FMR LLC	0000315066	544,221	1.77%	▲20,133	+3.84%	$34.45Mn
19	Ameriprise Financial Inc	0000820027	536,459	1.74%	▼43,165	-7.45%	$33.96Mn
20	Connor, Clark & Lunn Investment Management Ltd.	0001596800	486,523	1.58%	▲19,037	+4.07%	$30.80Mn

Showing 1 to 20 of 242 holders