13F

Stock

Koss Corp

KOSS · held by 23 managers

Reported value

$1.68M

Holders

23

+2 new · −2 exited

Holders’ est. mark

−$165.4K

Price effect on 18 books still in the name

Largest holder

$678.8K

VANGUARD CAPITAL MANAGEMENT LLC

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
VANGUARD CAPITAL MANAGEMENT LLC189.6K$678.8KHeld
BlackRock, Inc.89.6K$320.8K−$49.5KCut−$45.2K
GEODE CAPITAL MANAGEMENT, LLC55.9K$200.2K−$31.3KCut−$49.7K
VANGUARD FIDUCIARY TRUST CO31.3K$112.2KHeld
DIMENSIONAL FUND ADVISORS LP21.6K$77.4K−$12.1KCut−$19.3K
State Street18K$64.3K−$10.1KCut−$10.1K
JAMES INVESTMENT RESEARCH, INC.15.5K$55.4K−$5.92KAdded$11.6K
NORTHERN TRUST CORP14.3K$51.1K−$8KCut−$8K
XTX Topco Ltd10.8K$38.6K−$6.04KCut−$11.8K
PNC Financial Services Group, Inc.7K$25.1K−$3.92KCut−$3.92K
UBS Group AG6.11K$21.9K−$3.42KCut−$11.5K
NewEdge Advisors, LLC15.5K$15.5K−$33.2KCut−$28.3K
Vanguard Global Advisers, LLC2.04K$7.3KHeld
Tower Research Capital LLC (TRC)1.21K$4.34K−$439Added$1.1K
Activest Wealth Management1K$3.58K−$560Cut−$560
N.E.W. Advisory Services LLC1K$3.58K−$560Cut−$560
CREATIVE FINANCIAL DESIGNS INC /ADV300$1.07K−$168Cut−$168
SBI Securities Co., Ltd.120$430−$67Cut−$67
MORGAN STANLEY80$286−$45Cut−$12.5K
OSAIC HOLDINGS, INC.50$179−$28Cut−$28
Crewe Advisors LLC20$72−$11Cut−$11
Parallel Advisors, LLC10$36New
CITIGROUP INC1$4New

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.