Koss KOSS Institutional Ownership

NASDAQ KOSS

$3.46 +0.01 (+0.43%)

As of: Aug 26, 2026 · 9:51 AM EDT

Institutions by Trading Activity

22 Institutions

Increased 9 40.9%

Unchanged 8 36.4%

Reduced 5 22.7%

Ownership Statistics

13F · as of 31 Mar, 2026

Institutional Ownership

1,008.21%

▼-13.97 pp QoQ

Shares Held by Institutions

477.21K

of 47.33K outstanding

▲+86.93% QoQ

Shares Outstanding

47.33K

-429.88K held outside 13F filers

Institutional Investors

filed 13F for Mar 2026

■0 vs prior quarter

Net Shares Added (QoQ)

+221.92K

accumulated since last quarter

Value of Holdings

$1.71Mn

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 31 Mar, 2026

Koss Corp (NASDAQ:KOSS) is held by 22 institutional investors per 13F filings through March 2026.

These investors held 1008.2% of outstanding shares in March 2026, down from 1022.2% in December 2025.
They increased total shares held in Koss by 86.93% from the prior quarter, while the number of investors in KOSS decreased 4.35% year over year.
Of these 22 holders, 9 added to their stakes in Koss, 5 trimmed positions, and 8 made no changes.
In total, institutional investors held 477.21K shares in Koss as of March 2026, up by 221.92K 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 March 31, 2026, equal to 400.59% of outstanding shares.
Leading buyers of Koss shares for the quarter ending March 2026 were VANGUARD CAPITAL MANAGEMENT LLC (189.61K), VANGUARD FIDUCIARY TRUST CO (31.33K), JAMES INVESTMENT RESEARCH, INC. (4.9K), NewEdge Advisors, LLC (4.9K), Vanguard Global Advisers, LLC (2.04K).
The largest sales of KOSS for the quarter ending March 2026 came from GEODE CAPITAL MANAGEMENT, LLC (4.43K), Morgan Stanley (3.0K), UBS Group AG (1.94K), DIMENSIONAL FUND ADVISORS LP (1.73K), XTX Topco Ltd (1.4K).
Business Quant data shows the 10 biggest positions in Koss as of March 2026 are held by VANGUARD CAPITAL MANAGEMENT LLC (189.61K), BlackRock, Inc. (89.6K), GEODE CAPITAL MANAGEMENT, LLC (55.91K), VANGUARD FIDUCIARY TRUST CO (31.33K), DIMENSIONAL FUND ADVISORS LP (21.61K), State Street Corp (17.97K), JAMES INVESTMENT RESEARCH, INC. (15.48K), NewEdge Advisors, LLC (15.48K), Northern Trust Corp (14.28K), XTX Topco Ltd (10.79K).

Form 13F Holdings

22 Institutional Holders

Report period 31 Mar, 2026

Total shares held 477.21K

Of outstanding 1,008.21%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	189,607	400.59%	▲189,607	0.00%	$678.79K
2	BlackRock, Inc.	0002012383	89,601	189.30%	▲1,196	+1.35%	$320.77K
3	GEODE CAPITAL MANAGEMENT, LLC	0001214717	55,913	118.13%	▼4,429	-7.34%	$200.20K
4	VANGUARD FIDUCIARY TRUST CO	0000933478	31,334	66.20%	▲31,334	0.00%	$112.18K
5	DIMENSIONAL FUND ADVISORS LP	0000354204	21,611	45.66%	▼1,731	-7.42%	$77.37K
6	State Street Corp	0000093751	17,974	37.97%	0	0.00%	$64.35K
7	JAMES INVESTMENT RESEARCH, INC.	0000810384	15,475	32.69%	▲4,900	+46.34%	$55.40K
7	NewEdge Advisors, LLC	0001633516	15,475	32.69%	▲4,900	+46.34%	$15.48K
8	Northern Trust Corp	0000073124	14,285	30.18%	0	0.00%	$51.14K
9	XTX Topco Ltd	0001828301	10,786	22.79%	▼1,399	-11.48%	$38.61K
10	UBS Group AG	0001610520	6,113	12.92%	▼1,939	-24.08%	$21.88K
11	Pnc Financial Services Group, Inc.	0000713676	3,500	7.39%	0	0.00%	$12.53K
12	Vanguard Global Advisers, LLC	0001811242	2,040	4.31%	▲2,040	0.00%	$7.30K
13	Tower Research Capital LLC (TRC)	0001533421	1,212	2.56%	▲429	+54.79%	$4.34K
14	N.E.W. Advisory Services LLC	0001803456	1,000	2.11%	0	0.00%	$3.58K
14	Activest Wealth Management	0001883134	1,000	2.11%	0	0.00%	$3.58K
15	SBI Securities Co., Ltd.	0001851815	120	0.25%	0	0.00%	$430
16	Morgan Stanley	0000895421	80	0.17%	▼3,000	-97.40%	$286
17	OSAIC HOLDINGS, INC.	0001677044	50	0.11%	0	0.00%	$179
18	Crewe Advisors LLC	0001730033	20	0.04%	0	0.00%	$72

Showing 1 to 20 of 22 holders