Koss Corp (KOSS) Institutional Ownership

Institutions by Trading Activity

9,462,416Shares Outstanding

483,821Shares held by institutions

$2,143,327Value of institutional holdings

5.11%Institutional ownership %

-1.63%Shares Changed QoQ

22No. of institutional investors

Koss Corp (NASDAQ:KOSS) has 22 institutional investors with active 13F positions as of December 2025.

They owned 5.1% of outstanding stock in December 2025, down from 5.6% the prior quarter.
Their total shares held in KOSS decreased -1.63% from the prior quarter, while the number of investors in Koss decreased 24.14% year over year.
Of these 22 holders, 7 added to their stakes in Koss, 4 trimmed positions, and 11 made no changes.
Institutional investors collectively held 483.82K shares in Koss as of December 2025, down by 8.02K shares quarter on quarter, and down 92.56K shares year over year.
VANGUARD GROUP INC leads ownership in KOSS with 222.99K shares as of December 31, 2025, equal to 2.36% of outstanding shares.
The biggest buyers of Koss for the quarter ending December 2025 included XTX Topco Ltd (12.18K), SageView Advisory Group, LLC (5.0K), GEODE CAPITAL MANAGEMENT, LLC (1.9K), N.E.W. Advisory Services LLC (1.0K), BlackRock, Inc. (552).
The largest sales of KOSS for the quarter ending December 2025 came from VANGUARD GROUP INC (22.72K), UBS Group AG (5.56K), Bank Of America Corp /De/ (396), Northern Trust Corp (137).
According to Business Quant data, leading holders of KOSS for December 2025 are VANGUARD GROUP INC (222.99K), BlackRock, Inc. (88.4K), GEODE CAPITAL MANAGEMENT, LLC (60.34K), DIMENSIONAL FUND ADVISORS LP (23.34K), State Street Corp (17.97K), Northern Trust Corp (14.28K), XTX Topco Ltd (12.18K), JAMES INVESTMENT RESEARCH, INC. (10.58K), NewEdge Advisors, LLC (10.58K), UBS Group AG (8.05K).

483,821 Total Shares Held

Rows:

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
VANGUARD GROUP INC	31 Dec, 2025	222,991	-22,719	-9.25%	$923,183.00
BlackRock, Inc.	31 Dec, 2025	88,405	552	0.63%	$365,997.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	60,342	1,903	3.26%	$249,854.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	23,342	0	0.00%	$96,636.00
State Street Corp	31 Dec, 2025	17,974	0	0.00%	$74,412.00
Northern Trust Corp	31 Dec, 2025	14,285	-137	-0.95%	$59,140.00
XTX Topco Ltd	31 Dec, 2025	12,185	12,185	0.00%	$50,446.00
JAMES INVESTMENT RESEARCH, INC.	31 Dec, 2025	10,575	0	0.00%	$43,781.00
NewEdge Advisors, LLC	31 Dec, 2025	10,575	0	0.00%	$43,781.00
UBS Group AG	31 Dec, 2025	8,052	-5,555	-40.82%	$33,336.00
SageView Advisory Group, LLC	31 Dec, 2025	5,000	5,000	0.00%	$20,700.00
Pnc Financial Services Group, Inc.	31 Dec, 2025	3,500	0	0.00%	$14,490.00
Morgan Stanley	31 Dec, 2025	3,080	0	0.00%	$12,751.00
Activest Wealth Management	31 Dec, 2025	1,000	0	0.00%	$4,140.00
N.E.W. Advisory Services LLC	31 Dec, 2025	1,000	1,000	0.00%	$4,140.00
Tower Research Capital LLC (TRC)	31 Dec, 2025	783	110	16.34%	$3,242.00
CREATIVE FINANCIAL DESIGNS INC /ADV	31 Dec, 2025	300	0	0.00%	$1,242.00
Bank Of America Corp /De/	31 Dec, 2025	208	-396	-65.56%	$861.00
SBI Securities Co., Ltd.	31 Dec, 2025	120	0	0.00%	$497.00
OSAIC HOLDINGS, INC.	31 Dec, 2025	50	0	0.00%	$207.00

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