13F Insight
DOSSIER · 13F Holders · Q1 2026
BAND 0.5 04/01/28

Bandwidth Inc.

22 institutions still hold Bandwidth Inc. as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 05988JAD5·22 13F holders·last filed Mar 31, 2026
Market cap
—
13F value held
$134M
visible holders
Holders
22
filers reporting
Concentration
28.02%
Irenic Capital Management LP #1
top holder share
AI Holders Summary · Q1 2026

22 institutions reported BAND 0.5 04/01/28 in Q1 2026. Irenic Capital Management LP leads at 28.0% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
Irenic Capital Management LP
CIK 0001929389
$38M42.2M2.45%Q1 202602
Radcliffe Capital Management, L.P.
CIK 0001218275
$20M22.3M1.49%Q1 202603
Ewing Morris & Co. Investment Partners Ltd.
CIK 0001846838
$11M12.2M4.93%Q1 202604
D. E. Shaw & Co., Inc.
CIK 0001009207
$10M11.9M0.01%Q4 202505
INTREPID CAPITAL MANAGEMENT INC
CIK 0001092838
$10M10.9M3.76%Q1 202606
CORBYN INVESTMENT MANAGEMENT INC/MD
CIK 0000919538
$8M9.1M2.71%Q1 202607
Chicago Capital Management, LLC
CIK 0001580162
$8M8K6.79%Q2 202608
Opti Capital Management, LP
CIK 0001738654
$7M8.0M0.52%Q1 202609
DeepCurrents Investment Group LLC
CIK 0001754535
$5M5.8M0.17%Q1 202610
OAKTREE CAPITAL MANAGEMENT LP
CIK 0000949509
$4M4.2M0.06%Q1 202611
CAPSTONE INVESTMENT ADVISORS, LLC
CIK 0001426196
$4M4.0M0.01%Q1 202612
ADVENT CAPITAL MANAGEMENT /DE/
CIK 0001097278
$2M2.7M0.07%Q1 202613
Calamos Advisors LLC
CIK 0001316507
$2M2.5M0.01%Q1 202614
Russell Investments Group, Ltd.
CIK 0001692234
$2M1.9M0.00%Q1 202615
SG Americas Securities, LLC
CIK 0001313360
$1M13K0.00%Q1 202616
Universal- Beteiligungs- und Servicegesellschaft mbH
CIK 0002057170
$1M1.2M0.00%Q1 202617
ZAZOVE ASSOCIATES LLC
CIK 0001009012
$565K601K0.05%Q2 202618
FINANCIAL CONSULATE, INC
CIK 0001624510
$535K573K0.06%Q2 202619
HB Wealth Management, LLC
CIK 0001911253
$290K327K0.00%Q1 202620
Ares Systematic Credit Ltd
CIK 0002135379
$90K100K0.07%Q1 2026
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