23 institutional investment managers reported KOSS positions in their Form 13F filings for Q2 2026, holding 498,994 shares worth $2.0M in total. Vanguard Capital Management LLC reported the largest position.

Are funds buying or selling KOSS?

In Q2 2026, 3 managers opened new KOSS positions, 3 added, 5 trimmed and 3 sold out. Managers that filed in both quarters added a net 17,987 shares.

How current is this KOSS institutional ownership data?

It covers holdings as of the end of Q2 2026. Managers have 45 days after the quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.

Funds · KOSS

Who owns KOSS?

Institutional ownership of Koss Corporation from Form 13F, Q2 2026

23 institutional managers reported holding Koss Corporation (KOSS) in Form 13F filings for Q2 2026, with 498,994 shares worth $2.0M. The largest reported holder was Vanguard Capital Management LLC. Managers that filed both quarters added a net 17,987 shares (+3.7%). 3 opened new positions and 3 sold out.

Funds holding: 23
Value held: $2.0M
New / sold out: 3 / 3
Net shares, same filers: +3.7%

Holdings as of June 30, 2026, the end of Q2 2026. Managers have 45 days after a quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.

Largest holders of KOSS

Fund	Value	Share of 13F holdings	Shares	Move
Vanguard Capital Management LLC	$760K	38.0%	189,607	Unchanged
BlackRock, Inc.	$381K	19.0%	94,977	Added
Geode Capital Management, LLC	$239K	11.9%	59,491	Added
Citadel Advisors LLC	$133K	6.6%	33,058	New
Vanguard Fiduciary Trust Co	$123K	6.2%	30,740	Trimmed
Dimensional Fund Advisors LP	$98K	4.9%	24,433	Added
State Street Corp	$72K	3.6%	17,974	Unchanged
NewEdge Advisors, LLC	$62K	3.1%	15,475	Unchanged
James Investment Research, Inc.	$62K	3.1%	15,475	Unchanged
Northern Trust Corp	$41K	2.1%	10,287	Trimmed
UBS Group AG	$9K	0.4%	2,161	Trimmed
Vanguard Global Advisers, LLC	$8K	0.4%	2,040	Unchanged
Activest Wealth Management	$4K	0.2%	1,000	Unchanged
N.E.W. Advisory Services LLC	$4K	0.2%	1,000	Unchanged
Tower Research Capital LLC (TRC)	$3K	0.1%	672	Trimmed
Creative Financial Designs Inc	$1K	0.1%	300	Unchanged
SBI Securities Co., Ltd.	$481	0.0%	120	Unchanged
Morgan Stanley	$321	0.0%	80	Unchanged
Osaic Holdings, Inc.	$200	0.0%	50	Unchanged
Barclays PLC	$92	0.0%	23	New
Crewe Advisors LLC	$81	0.0%	20	Unchanged
Parallel Advisors, LLC	$36	0.0%	9	Trimmed
Caitong International Asset Management Co., Ltd	$8	0.0%	2	New

Share of 13F holdings is each fund's shares as a share of the 498,994 KOSS shares all 13F filers reported, not of shares outstanding.

Biggest buyers in Q2 2026

Citadel Advisors LLC New+$133K
BlackRock, Inc. Added+$22K
Geode Capital Management, LLC Added+$14K
Dimensional Fund Advisors LP Added+$11K
Barclays PLC New+$92
Caitong International Asset Management Co., Ltd New+$8

Biggest sellers in Q2 2026

XTX Topco Ltd Sold out-$39K
PNC Financial Services Group, Inc. Sold out-$25K
Northern Trust Corp Trimmed-$16K
UBS Group AG Trimmed-$16K
Vanguard Fiduciary Trust Co Trimmed-$2K
Tower Research Capital LLC (TRC) Trimmed-$2K
Citigroup Inc Sold out-$4
Parallel Advisors, LLC Trimmed-$4

The change in shares since the quarter before, adjusted for stock splits and priced at the Q2 2026 value per share. Funds bought $180K and sold $100K; 3 added and 5 trimmed.

Questions about KOSS ownership

Who owns KOSS stock?: 23 institutional investment managers reported KOSS positions in their Form 13F filings for Q2 2026, holding 498,994 shares worth $2.0M in total. Vanguard Capital Management LLC reported the largest position.
Are funds buying or selling KOSS?: In Q2 2026, 3 managers opened new KOSS positions, 3 added, 5 trimmed and 3 sold out. Managers that filed in both quarters added a net 17,987 shares.
How current is this KOSS institutional ownership data?: It covers holdings as of the end of Q2 2026. Managers have 45 days after the quarter ends to file Form 13F (by August 14, 2026 for Q2 2026), so positions may have changed since.

From the SEC's Form 13F data sets for Q2 2026: every 13F holdings report, matched to KOSS by CUSIP. Options are left out. KOSS news and filings · KOSS insider trades · Top funds