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BAND

Bandwidth Inc
BAND

155 hedge funds and large institutions have $426M invested in Bandwidth Inc in 2026 Q1 according to their latest regulatory filings, with 26 funds opening new positions, 60 increasing their positions, 48 reducing their positions, and 25 closing their positions.

New
Increased
Maintained
Reduced
Closed

277% more call options, than puts

Call options by funds: $1.87M | Put options by funds: $495K

50% more funds holding in top 10

Funds holding in top 10: 2 → 3 (+1)

25% more repeat investments, than reductions

Existing positions increased: 60 | Existing positions reduced: 48

22% more capital invested

Capital invested by funds: $349M → $426M (+$76.9M)

2.27% more ownership

Funds ownership: 79.03% → 81.3% (+2.3%)

4% more first-time investments, than exits

New positions opened: 26 | Existing positions closed: 25

0% more funds holding

Funds holding: 155 → 155 (0)

Holders
155
Holders Change
–
Holders Change %
0%
% of All Funds
1.91%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.04%
New
26
Increased
60
Reduced
48
Closed
25
Calls
$1.87M
Puts
$495K
Net Calls
+$1.37M
Net Calls Change
+$744K

Top Buyers

1
Arrowstreet Capital
Arrowstreet Capital
Massachusetts
+$7.57M
2
BAM
Bastion Asset Management
Canada
+$5.76M
3
Two Sigma Investments
Two Sigma Investments
New York
+$3.71M
4
Citadel Advisors
Citadel Advisors
Florida
+$2.79M
5
Assenagon Asset Management
Assenagon Asset Management
Luxembourg
+$2.44M

Top Sellers

1
PCM
Portolan Capital Management
Massachusetts
-$5.2M
2
KP
Keel Point
Alabama
-$4.64M
3
Goldman Sachs
Goldman Sachs
New York
-$3.59M
4
Jacobs Levy Equity Management
Jacobs Levy Equity Management
New Jersey
-$2.77M
5
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
-$2.09M
Name Holding Trade Value Shares
Change 		Change in
Stake
BlackRock
1
BlackRock
New York
$52.7M +$1.25M +85,442 +3%
CPIM
2
Cypress Point Investment Management
California
$28.2M +$1.1M +75,063 +5%
Dimensional Fund Advisors
3
Dimensional Fund Advisors
Texas
$27.6M +$1.35M +91,812 +6%
VCM
4
Vanguard Capital Management
Pennsylvania
$21.3M +$17.5M +1,194,878 New
Acadian Asset Management
5
Acadian Asset Management
Massachusetts
$14.8M +$347K +23,683 +3%
State Street
6
State Street
Massachusetts
$12.9M +$1.08M +73,869 +11%
Geode Capital Management
7
Geode Capital Management
Massachusetts
$12.4M +$438K +29,908 +5%
Arrowstreet Capital
8
Arrowstreet Capital
Massachusetts
$12.3M +$7.57M +516,117 +300%
Renaissance Technologies
9
Renaissance Technologies
New York
$11.5M +$382K +26,081 +4%
ACM
10
Archon Capital Management
Washington
$10.4M +$2M +136,225 +30%
Ameriprise
11
Ameriprise
Minnesota
$10.3M -$190K -12,929 -2%
VPM
12
Vanguard Portfolio Management
Pennsylvania
$9.69M +$7.97M +543,909 New
Fidelity Investments
13
Fidelity Investments
Massachusetts
$9.34M -$315K -21,497 -4%
Two Sigma Investments
14
Two Sigma Investments
New York
$8.8M +$3.71M +253,042 +105%
Assenagon Asset Management
15
Assenagon Asset Management
Luxembourg
$8.77M +$2.44M +166,423 +51%
Connor, Clark & Lunn Investment Management (CC&L)
16
Connor, Clark & Lunn Investment Management (CC&L)
British Columbia, Canada
$8.33M -$901K -61,498 -12%
DIA
17
Dana Investment Advisors
Wisconsin
$7.99M -$14.9K -1,017 -0.2%
AQR Capital Management
18
AQR Capital Management
Connecticut
$7.9M +$236K +16,118 +4%
CA
19
CSM Advisors
Pennsylvania
$7.73M +$1.29M +88,175 +25%
Wellington Management Group
20
Wellington Management Group
Massachusetts
$6.8M -$812K -55,414 -13%
BAM
21
Bastion Asset Management
Canada
$6.59M +$5.76M +393,263 New
Goldman Sachs
22
Goldman Sachs
New York
$6.5M -$3.59M -244,823 -40%
D.E. Shaw & Co
23
D.E. Shaw & Co
New York
$6.23M -$543K -37,048 -10%
N
24
Nuveen
North Carolina
$6.22M -$154K -10,536 -3%
Morgan Stanley
25
Morgan Stanley
New York
$4.49M +$94.6K +6,450 +3%
1
2 3 4 5

BAND Hedge Fund Activity: Q1 2026 in Review

155 of the 8,125 institutional investors tracked by Wall St. Rank reported a position in Bandwidth Inc (BAND) for Q1 2026, worth a combined $426M — up 22% from $349M a quarter earlier.

Buyers outnumbered sellers: 26 funds opened new BAND positions and 25 closed out — a net gain of 1 holder — while 60 added to existing stakes and 48 trimmed.

The largest buyer was Arrowstreet Capital, adding an estimated $7.57M. The largest seller was Portolan Capital Management, exiting entirely with an estimated $5.2M sold.

  • 155 institutional investors held Bandwidth Inc (BAND) as of Q1 2026, unchanged from Q4 2025.
  • Funds reported $426M of Bandwidth Inc stock for Q1 2026, up 22% quarter-over-quarter.
  • 26 funds opened new Bandwidth Inc positions in Q1 2026 and 25 closed out, a net change of +1 holder.
  • The largest Bandwidth Inc buyer in Q1 2026 was Arrowstreet Capital, an estimated $7.57M added.
  • The largest Bandwidth Inc seller in Q1 2026 was Portolan Capital Management, an estimated $5.2M sold.

Based on aggregated 13F filings for Q1 2026.