Koss KOSS Institutional Ownership

NASDAQ KOSS

$3.59 +0.10 (+2.87%)

At close: Sep 18, 2026 · 4:00 PM EDT

Institutions by Trading Activity

23 Institutions

Increased 7 30.4%

Unchanged 11 47.8%

Reduced 5 21.7%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

5.27%

▲+0.23 pp QoQ

Shares Held by Institutions

498.99K

of 9.46Mn outstanding

▲+7.79% QoQ

Shares Outstanding

9.46Mn

8.96Mn held outside 13F filers

Institutional Investors

filed 13F for Jun 2026

▲+1 vs prior quarter

Net Shares Added (QoQ)

+36.07K

accumulated since last quarter

Value of Holdings

$1.79Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Koss Corp (NASDAQ:KOSS) has 23 institutional investors that have filed 13F reports for the period ending June 2026.

Collectively, these holders controlled 5.3% of Koss's outstanding shares in June 2026, up from 5.0% in March 2026.
They increased total shares held in Koss by 7.79% from the prior quarter, while the number of investors in KOSS increased 15.0% year over year.
Among the 23 funds, 7 bought more Koss shares, 5 sold down, and 11 held their ground.
In total, institutional investors held 498.99K shares in Koss as of June 2026, up by 36.07K shares quarter on quarter, and down 2.87Mn shares year over year.
VANGUARD CAPITAL MANAGEMENT LLC leads ownership in KOSS with 189.61K shares as of June 30, 2026, equal to 2.0% of outstanding shares.
The most significant purchases of KOSS for the quarter ending June 2026 came from CITADEL ADVISORS LLC (33.06K), BlackRock, Inc. (5.38K), GEODE CAPITAL MANAGEMENT, LLC (3.58K), DIMENSIONAL FUND ADVISORS LP (2.82K), CREATIVE FINANCIAL DESIGNS INC /ADV (300).
The largest sellers of Koss for the quarter ending June 2026 were Northern Trust Corp (4.0K), UBS Group AG (3.95K), VANGUARD FIDUCIARY TRUST CO (594), Tower Research Capital LLC (TRC) (540), Parallel Advisors, LLC (1).
Per Business Quant, the top 10 investors in KOSS for the quarter ending June 2026 include VANGUARD CAPITAL MANAGEMENT LLC (189.61K), BlackRock, Inc. (94.98K), GEODE CAPITAL MANAGEMENT, LLC (59.49K), CITADEL ADVISORS LLC (33.06K), VANGUARD FIDUCIARY TRUST CO (30.74K), DIMENSIONAL FUND ADVISORS LP (24.43K), State Street Corp (17.97K), JAMES INVESTMENT RESEARCH, INC. (15.48K), NewEdge Advisors, LLC (15.48K), Northern Trust Corp (10.29K).

Form 13F Holdings

23 Institutional Holders

Report period 30 Jun, 2026

Total shares held 498.99K

Of outstanding 5.27%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	189,607	2.00%	0	0.00%	$760.32K
2	BlackRock, Inc.	0002012383	94,977	1.00%	▲5,376	+6.00%	$380.86K
3	GEODE CAPITAL MANAGEMENT, LLC	0001214717	59,491	0.63%	▲3,578	+6.40%	$238.60K
4	CITADEL ADVISORS LLC	0001423053	33,058	0.35%	▲33,058	0.00%	$132.56K
5	VANGUARD FIDUCIARY TRUST CO	0000933478	30,740	0.32%	▼594	-1.90%	$123.27K
6	DIMENSIONAL FUND ADVISORS LP	0000354204	24,433	0.26%	▲2,822	+13.06%	$97.98K
7	State Street Corp	0000093751	17,974	0.19%	0	0.00%	$72.08K
8	JAMES INVESTMENT RESEARCH, INC.	0000810384	15,475	0.16%	0	0.00%	$62.06K
8	NewEdge Advisors, LLC	0001633516	15,475	0.16%	0	0.00%	$62.06K
9	Northern Trust Corp	0000073124	10,287	0.11%	▼3,998	-27.99%	$41.25K
10	UBS Group AG	0001610520	2,161	0.02%	▼3,952	-64.65%	$8.67K
11	Vanguard Global Advisers, LLC	0001811242	2,040	0.02%	0	0.00%	$8.18K
12	N.E.W. Advisory Services LLC	0001803456	1,000	0.01%	0	0.00%	$4.01K
12	Activest Wealth Management	0001883134	1,000	0.01%	0	0.00%	$4.01K
13	Tower Research Capital LLC (TRC)	0001533421	672	0.01%	▼540	-44.55%	$2.70K
14	CREATIVE FINANCIAL DESIGNS INC /ADV	0000819864	300	0.00%	▲300	0.00%	$1.20K
15	SBI Securities Co., Ltd.	0001851815	120	0.00%	0	0.00%	$481
16	Morgan Stanley	0000895421	80	0.00%	0	0.00%	$321
17	OSAIC HOLDINGS, INC.	0001677044	50	0.00%	0	0.00%	$200
18	Barclays Plc	0000312069	23	0.00%	▲23	0.00%	$92

Showing 1 to 20 of 23 holders