13F Insight
DOSSIER · 13F Holders · Q1 2026Most-boughtAI cap-ex
KOSS

KOSS CORP

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

CUSIP 500692108·25 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 8.5%
vs prior quarter
13F value held
$2M
67.0% inst. owned
of float
Holders
25
-113 QoQ
filers reporting
Activity
+36 / −69
+1,005 added · −750 reduced
this quarter
Concentration
39.19%
VANGUARD CAPITAL MANAGEMENT LLC #1
top holder share
AI Holders Summary · Q1 2026

25 institutions reported KOSS in Q1 2026. VANGUARD CAPITAL MANAGEMENT LLC leads at 39.2% of the visible book. -113 net institutions QoQ — distribution reading.

Top holders

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

#HolderValueShares% port.Quarter
01
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$678,793190K0.00%Q1 202602
BlackRock, Inc.
CIK 0002012383
$320,77190K0.00%Q1 202603
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$200,20256K0.00%Q1 202604
VANGUARD FIDUCIARY TRUST CO
CIK 0000933478· Index
$112,17631K0.00%Q1 202605
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$77,36722K0.00%Q1 202606
STATE STREET CORP
CIK 0000093751
$64,34718K0.00%Q1 202607
JAMES INVESTMENT RESEARCH, INC.
CIK 0000810384
$55,40115K0.01%Q1 202608
NewEdge Advisors, LLC
CIK 0001633516
$55,40115K0.00%Q1 202609
NORTHERN TRUST CORP
CIK 0000073124· Index
$51,14014K0.00%Q1 202610
XTX Topco Ltd
CIK 0001828301
$38,61411K0.00%Q1 202611
UBS Group AG
CIK 0001610520
$21,8846K0.00%Q1 202612
SageView Advisory Group, LLC
CIK 0001914558
$20,7005K0.00%Q4 202513
PNC FINANCIAL SERVICES GROUP, INC.
CIK 0000713676
$14,4904K0.00%Q4 202514
Vanguard Global Advisers, LLC
CIK 0001811242· Index
$7,3032K0.00%Q1 202615
Tower Research Capital LLC (TRC)
CIK 0001533421
$4,3391K0.00%Q1 202616
N.E.W. Advisory Services LLC
CIK 0001803456
$3,5801K0.00%Q1 202617
Activest Wealth Management
CIK 0001883134
$3,5801K0.00%Q1 202618
CREATIVE FINANCIAL DESIGNS INC /ADV
CIK 0000819864
$1,0743000.00%Q1 202619
SBI Securities Co., Ltd.
CIK 0001851815
$4301200.00%Q1 202620
MORGAN STANLEY
CIK 0000895421
$286800.00%Q1 2026
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