DOSSIER · 13F Holders · Q1 2026
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
13F value held
$2M
visible holders
Holders
25
filers reporting
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.

Top holders

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

#HolderValueShares% port.Quarter
01
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$679K190K0.00%Q1 2026
02
BlackRock, Inc.
CIK 0002012383
$321K90K0.00%Q1 2026
03
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$200K56K0.00%Q1 2026
04
VANGUARD FIDUCIARY TRUST CO
CIK 0000933478· Index
$112K31K0.00%Q1 2026
05
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$77K22K0.00%Q1 2026
06
STATE STREET CORP
CIK 0000093751
$64K18K0.00%Q1 2026
07
JAMES INVESTMENT RESEARCH, INC.
CIK 0000810384
$55K15K0.01%Q1 2026
08
NewEdge Advisors, LLC
CIK 0001633516
$55K15K0.00%Q1 2026
09
NORTHERN TRUST CORP
CIK 0000073124· Index
$51K14K0.00%Q1 2026
10
XTX Topco Ltd
CIK 0001828301
$39K11K0.00%Q1 2026
11
UBS Group AG
CIK 0001610520
$22K6K0.00%Q1 2026
12
SageView Advisory Group, LLC
CIK 0001914558
$21K5K0.00%Q4 2025
13
PNC FINANCIAL SERVICES GROUP, INC.
CIK 0000713676
$14K4K0.00%Q4 2025
14
Vanguard Global Advisers, LLC
CIK 0001811242· Index
$7K2K0.00%Q1 2026
15
Tower Research Capital LLC (TRC)
CIK 0001533421
$4K1K0.00%Q1 2026
16
N.E.W. Advisory Services LLC
CIK 0001803456
$4K1K0.00%Q1 2026
17
Activest Wealth Management
CIK 0001883134
$4K1K0.00%Q1 2026
18
CREATIVE FINANCIAL DESIGNS INC /ADV
CIK 0000819864
$1K3000.00%Q1 2026
19
SBI Securities Co., Ltd.
CIK 0001851815
$4301200.00%Q1 2026
20
MORGAN STANLEY
CIK 0000895421
$286800.00%Q1 2026
Page 1 of 2
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Insiders at KOSS CORP
Lillie LenoreKoss Michael J JrKoss John C JrKoss Michael JSweasy William JesseKoss Family Trust, Dated 9/11/12Kft CorpSmith David Donnan