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

Bandwidth Inc.

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

CUSIP 05988JAD5·23 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 0.1%
vs prior quarter
13F value held
$141M
52.0% inst. owned
of float
Holders
23
+114 QoQ
filers reporting
Activity
+75 / −21
+910 added · −666 reduced
this quarter
Concentration
26.70%
Irenic Capital Management LP #1
top holder share
AI Holders Summary · Q1 2026

23 institutions reported BAND 0.5 04/01/28 in Q1 2026. Irenic Capital Management LP leads at 26.7% of the visible book. +114 net new institutions vs prior quarter — accumulation reading.

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
ABSOLUTE INVESTMENT ADVISERS, LLC
CIK 0001316187
$8M9.1M0.96%Q1 202607
CORBYN INVESTMENT MANAGEMENT INC/MD
CIK 0000919538
$8M9.1M2.71%Q1 202608
Chicago Capital Management, LLC
CIK 0001580162
$7M8K6.04%Q1 202609
Opti Capital Management, LP
CIK 0001738654
$7M8.0M0.52%Q1 202610
DeepCurrents Investment Group LLC
CIK 0001754535
$5M5.8M0.17%Q1 202611
OAKTREE CAPITAL MANAGEMENT LP
CIK 0000949509
$4M4.2M0.06%Q1 202612
CAPSTONE INVESTMENT ADVISORS, LLC
CIK 0001426196
$4M4.0M0.01%Q1 202613
ADVENT CAPITAL MANAGEMENT /DE/
CIK 0001097278
$2M2.7M0.07%Q1 202614
Calamos Advisors LLC
CIK 0001316507
$2M2.5M0.01%Q1 202615
Russell Investments Group, Ltd.
CIK 0001692234
$2M1.9M0.00%Q1 202616
Universal- Beteiligungs- und Servicegesellschaft mbH
CIK 0002057170
$1M1.2M0.00%Q1 202617
ZAZOVE ASSOCIATES LLC
CIK 0001009012
$554,000630K0.05%Q4 202518
FINANCIAL CONSULATE, INC
CIK 0001624510
$544,685612K0.07%Q1 202619
HB Wealth Management, LLC
CIK 0001911253
$290,235327K0.00%Q1 202620
Ares Systematic Credit Ltd
CIK 0002135379
$89,500100K0.07%Q1 2026
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