DOSSIER · 13F Holders · Q2 2026
KOSS

KOSS CORP

24 institutions still hold KOSS CORP as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 500692108·24 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$2M
visible holders
Holders
24
filers reporting
Concentration
38.29%
VANGUARD CAPITAL MANAGEMENT LLC #1
top holder share
AI Holders Summary · Q2 2026

24 institutions reported KOSS in Q2 2026. VANGUARD CAPITAL MANAGEMENT LLC leads at 38.3% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$760K190K0.00%Q2 2026
02
BlackRock, Inc.
CIK 0002012383
$381K95K0.00%Q2 2026
03
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$228K57K0.00%Q3 2026
04
CITADEL ADVISORS LLC
CIK 0001423053
$133K33K0.00%Q2 2026
05
VANGUARD FIDUCIARY TRUST CO
CIK 0000933478· Index
$123K31K0.00%Q2 2026
06
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$86K21K0.00%Q3 2026
07
STATE STREET CORP
CIK 0000093751
$72K18K0.00%Q2 2026
08
JAMES INVESTMENT RESEARCH, INC.
CIK 0000810384
$62K15K0.01%Q3 2026
09
NewEdge Advisors, LLC
CIK 0001633516
$62K15K0.00%Q2 2026
10
NORTHERN TRUST CORP
CIK 0000073124· Index
$41K10K0.00%Q2 2026
11
UBS Group AG
CIK 0001610520
$11K3K0.00%Q3 2026
12
Vanguard Global Advisers, LLC
CIK 0001811242· Index
$8K2K0.00%Q2 2026
13
Nuveen, LLC
CIK 0001871926
$6K2K0.00%Q3 2026
14
N.E.W. Advisory Services LLC
CIK 0001803456
$4K1K0.00%Q3 2026
15
Activest Wealth Management
CIK 0001883134
$4K1K0.00%Q3 2026
16
Tower Research Capital LLC (TRC)
CIK 0001533421
$3K6720.00%Q2 2026
17
SBI Securities Co., Ltd.
CIK 0001851815
$4821200.00%Q3 2026
18
MORGAN STANLEY
CIK 0000895421
$321800.00%Q2 2026
19
FMR LLC
CIK 0000315066
$201500.00%Q3 2026
20
OSAIC HOLDINGS, INC.
CIK 0001677044
$200500.00%Q2 2026
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4 more holders available. Log in →
Insiders at KOSS CORP
Lillie Lenore →Koss Michael J Jr →Koss John C Jr →Koss Michael J →Sweasy William Jesse →Koss Family Trust, Dated 9/11/12 →Kft Corp →Smith David Donnan →