What is the 13F Pro Quality Score for KOSS?

13F Pro ranks KOSS CORP (KOSS) on the 13F Pro Quality Score, a 0–100 composite of 32 fundamental signals including return on invested capital, free cash flow consistency, balance-sheet strength, earnings quality, growth durability, and valuation discipline. The score refreshes after each 10-K and 10-Q filing on SEC EDGAR. View KOSS's current score at https://13fpro.ai/company/KOSS (free sign-up required for the full ranking).

Where does 13F Pro source KOSS data?

All KOSS CORP fundamentals and ownership data come directly from SEC EDGAR. KOSS CORP files with the SEC under CIK 56701. 13F Pro ingests XBRL financial facts from 10-K and 10-Q filings, Form 13F-HR institutional holdings, and Form 4 insider transactions, with no third-party rewrites or estimates.

What sector is KOSS in?

KOSS CORP (KOSS) is classified in the Technology sector. 13F Pro publishes sector-level fund flow analysis and quality leaders at https://13fpro.ai/research/sector/technology.

How often is KOSS research updated on 13F Pro?

KOSS's fundamentals refresh within hours of each new 10-K or 10-Q filing on SEC EDGAR. Institutional ownership updates after each quarterly 13F filing window. Insider transactions update after each Form 4 filing. The 13F Pro Quality Score recalculates after every fundamentals refresh.

KOSS CORP(KOSS)Stock Analysis

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SEC EDGAR: CIK 56701 KOSS stock profile & AI dashboard →

13F Pro Quality Score

36.9/100

Rank #2,248 of 2,962 stocks

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Rankings refresh quarterly once 80% of peers have filed (~45 days after quarter-end). Next update: ~Nov 14, 2026.

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Why KOSS Scores 37/100

exact factor attribution · 2026-09-11

KOSS's composite is driven by shareholder dilution, held back by scale and revenue growth. Bars show each factor's exact push vs. a median company, using the same weights the ranking engine applies.

Shareholder dilution

+1.8 pts

86th pct

Earnings quality

+0.1 pts

51th pct

Earnings growth

-0.0 pts

49th pct

Institutional flow

-1.2 pts

27th pct

Profitability

-1.2 pts

42th pct

Capital efficiency

-1.4 pts

37th pct

Free cash flow

-2.3 pts

35th pct

Revenue growth

-2.8 pts

36th pct

Scale

-6.2 pts

9th pct

Factor percentiles are cross-sectional ranks across the ~2,800-stock scored universe, computed from SEC EDGAR filings. Not investment advice.

KOSS Stock Analysis & AI Quality Score

Data updated 2026-09-11

AI stock analysis and institutional research for KOSS CORP (KOSS), a Technology sector company. 13F Pro's AI-powered ranking engine scores KOSS at 36.9/100 on a 32-signal composite quality model, placing it at rank #2,248 of 2,962 stocks — the bottom half of the AI-ranked universe. Based on the latest XBRL financial filings (Q2 2026), KOSS CORP reports quarterly revenue of $3.3M, net income of $476.8K, free cash flow of $1.0M. Top institutional holders of KOSS by reported 13-F value include VANGUARD CAPITAL MANAGEMENT, BlackRock, GEODE CAPITAL MANAGEMENT, based on the most recent SEC filings. KOSS trades on the Nasdaq exchange and files with the SEC under CIK 56701. 13F Pro's AI research platform runs 10 specialized AI analysts — value, growth, momentum, macro, and activist specialists — that debate KOSS daily and publish AI-generated analysis with cited SEC sources. The platform aggregates historical XBRL financial facts, 10-Q and 10-K filings, insider Form 4 transactions, and institutional 13-F holdings for KOSS CORP directly from SEC EDGAR. KOSS CORP's 13F Pro composite quality score has ranged between 27 and 37 since 2026, currently 36.9 — an improving long-term trajectory across 8 quarterly and live scoring snapshots.

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Fun facts about KOSS CORP

Quirks, history, and lore behind KOSS — the kind of stuff that makes a stock memorable.

1
The Basics
U.S. consumer electronics company · small-cap · listed on Nasdaq · headquartered in Wisconsin.
2
The Numbers
Annual revenue in the low tens of millions — this is a micro-cap operation, not a titan, but it has survived for decades in a brutally competitive space.
3
The History
Founded in 1953, the company was an early pioneer in stereo headphones at a time when most people had never considered putting sound directly on their ears.
4
The Secret
The company became an unlikely meme stock during the 2021 retail-trading frenzy, with its share price exploding hundreds of percent for reasons having nothing to do with headphones.
5
The Lore
It once sued Nintendo over headphone technology patents, and its founder is credited with helping bring high-fidelity personal audio to the mass consumer market.
6
The Giveaway
This Milwaukee headphone maker — one of the oldest in America — had its quiet little stock ticker turn into a Reddit-fueled rocket ship overnight, right alongside GameStop.

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Revenue

Q2 2026

$3.3M

Net Income

Q2 2026

$476.8K

Free Cash Flow

Q2 2026

$1.0M

ROIC

Q2 2026

3.5%

Period

Revenue & Net Income

Earnings Per Share

Key Financials Over Time

Export Financial Table · Pro

Revenue

+3.1% YoY

$13.0MFY 2026

FY23 $13.1MFY24 $12.3MFY25 $12.6MFY26 $13.0M

Net Income

+55.3% YoY

$-391.5KFY 2026

FY23 $8.3MFY24 $-950.9KFY25 $-874.8KFY26 $-391.5K

Operating Income

+12.9% YoY

$-1.5MFY 2026

FY23 $-24.9MFY24 $-1.9MFY25 $-1.7MFY26 $-1.5M

EPS (Diluted)

+55.6% YoY

$-0.04FY 2026

FY23 $0.85FY24 $-0.10FY25 $-0.09FY26 $-0.04

Total Assets

-1.4% YoY

$36.7MFY 2026

FY23 $39.1MFY24 $37.2MFY25 $37.2MFY26 $36.7M

Op. Cash Flow

+304.4% YoY

$439.2KFY 2026

FY23 $10.7MFY24 $-190.5KFY25 $-214.9KFY26 $439.2K

Free Cash Flow

+117.4% YoY

$122.7KFY 2026

FY23 $10.6MFY24 $-652.3KFY25 $-705.6KFY26 $122.7K

Metric	FY 2026	FY 2025	FY 2024	FY 2023	FY 2022	FY 2021
Revenue	$13.0M +3.1%	$12.6M +2.9%	$12.3M -6.4%	$13.1M -26.0%	$17.7M -9.4%	$19.5M
Net Income	$-391.5K +55.3%	$-874.8K +8.0%	$-950.9K -111.4%	$8.3M +555.9%	$1.3M +157.0%	$493.6K
Operating Income	$-1.5M +12.9%	$-1.7M +7.2%	$-1.9M +92.5%	$-24.9M -2858.7%	$902.0K +331.0%	$-390.5K
EPS (Diluted)	$-0.04 +55.6%	$-0.09 +10.0%	$-0.10 -111.8%	$0.85 +553.8%	$0.13 +160.0%	$0.05
Total Assets	$36.7M -1.4%	$37.2M -0.0%	$37.2M -4.8%	$39.1M +30.5%	$30.0M +13.8%	$26.3M
Operating Cash Flow	$439.2K +304.4%	$-214.9K -12.8%	$-190.5K -101.8%	$10.7M +1239.0%	$-942.5K -370.3%	$348.7K
Free Cash Flow	$122.7K +117.4%	$-705.6K -8.2%	$-652.3K -106.1%	$10.6M +1112.4%	$-1.1M -317.9%	$-251.4K

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Available Research

13F Pro tracks comprehensive data for KOSS CORP including:

SEC EDGAR filings (10-K, 10-Q, 8-K)

XBRL financial facts (revenue, EPS, margins)

Insider transactions (Form 4)

Institutional 13F holdings

Quality rankings (32 signals)

AI analyst debates & daily meetings

Historical financial trends

Peer comparison & sector analysis

Top Institutional Holders of KOSS

VANGUARD CAPITAL MANAGEMENT LLC
$760.3K189,607 sh
BlackRock, Inc.
$380.9K94,977 sh
GEODE CAPITAL MANAGEMENT, LLC
$238.6K59,491 sh
CITADEL ADVISORS LLC
$132.6K33,058 sh
VANGUARD FIDUCIARY TRUST CO
$123.3K30,740 sh
DIMENSIONAL FUND ADVISORS LP
$98.0K24,433 sh
STATE STREET CORP
$72.1K17,974 sh
NewEdge Advisors, LLC
$62.1K15,475 sh
JAMES INVESTMENT RESEARCH, INC.
$62.1K15,475 sh
NORTHERN TRUST CORP
$41.3K10,287 sh

Fund	Value	Shares
VANGUARD CAPITAL MANAGEMENT LLC	$760.3K	189,607
BlackRock, Inc.	$380.9K	94,977
GEODE CAPITAL MANAGEMENT, LLC	$238.6K	59,491
CITADEL ADVISORS LLC	$132.6K	33,058
VANGUARD FIDUCIARY TRUST CO	$123.3K	30,740
DIMENSIONAL FUND ADVISORS LP	$98.0K	24,433
STATE STREET CORP	$72.1K	17,974
NewEdge Advisors, LLC	$62.1K	15,475
JAMES INVESTMENT RESEARCH, INC.	$62.1K	15,475
NORTHERN TRUST CORP	$41.3K	10,287

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Is KOSS a good stock to buy?

13F Pro's AI-powered analysis of KOSS CORP (KOSS) draws on SEC EDGAR-sourced fundamentals, institutional 13F holdings, and insider Form 4 transactions in the Technology sector (listed on Nasdaq). The 32-signal AI Quality Score, current rank, and full bull/bear verdict for KOSS are available on the KOSS stock profile dashboard — with the same data, AI insights, ratios, and institutional activity refreshed after every 10-K, 10-Q, 13F, and Form 4 filing. KOSS is classified as a small company.

Which hedge funds own KOSS?

Institutional investors are required to disclose their holdings quarterly via SEC Form 13F. 13F Pro aggregates these filings to show which hedge funds, mutual funds, and asset managers are buying or selling KOSS. Combined with insider transaction data from Form 4 filings and AI-powered analysis from 10 specialized research agents, 13F Pro provides a comprehensive view of KOSS CORP's investment landscape.