Knowles Corp (KN)

NYSE · Common Stock · Household Audio & Video Equipment

One email a week from me: what it filed, which 13F holders added or cut, where its scores stand. Free.

Corporate structure

41 entities across 18 jurisdictions, 3 in offshore financial centres. Read directly from the company’s own 10-K EX-21 filed 2026-02-09 — see the exhibit.

Which other public companies file entities in the same places:

Delaware13 China4 Philippines3 Malaysia3 Illinois2 Singapore2 United Kingdom2 Luxembourg2 South Carolina1 California1 India1 Cayman Islands1

Subsidiaries of Knowles Corp as disclosed in its SEC filing
Entity	Jurisdiction	Note
CD Snow Hill, LLC	Delaware
Cornell Dubilier Property Corp.	South Carolina
Cornell Dubilier, LLC	Delaware
Cornell-Dubilier Acquisition Corp.	Delaware
Cornell-Dubilier Marketing, Inc.	Delaware
Illinois Capacitor International, Inc.	Illinois
Illinois Capacitor, Inc.	Illinois
Integrated Microwave Corporation	California
Knowles Capital Holdings, Inc.	Delaware
Knowles Cazenovia Inc.	Delaware
Knowles Echelon Holdings, LLC	Delaware
Knowles Electronics Holdings, Inc.	Delaware
Knowles Electronics PD, Inc.	Delaware
Knowles Electronics, LLC	Delaware
Knowles Intermediate Holding, Inc.	Delaware
Novacap, LLC	Delaware
Sensor Platforms, Inc.	Delaware
Audience Communications Systems India Private Limited	India
Audience International, Inc.	Cayman Islands	offshore centre
Audience Singapore Pte. Ltd.	Singapore
C.D. Electronica de Mexico, S.A. de C.V	Mexico
Illinois Capacitor (HK) Limited	Hong Kong
KEP (Philippines) Reality Corporation ("LandCo")	Philippines
Knowles (UK) Limited	United Kingdom
Knowles Distribution Sdn. Bhd.	Malaysia
Knowles Electronics (Malaysia) Sdn. Bhd.	Malaysia
Knowles Electronics (Philippines) Corporation	Philippines
Knowles Electronics (Shanghai) Co., Ltd.	China
Knowles Electronics (Shanghai) Co., Ltd. Beijing Branch	China
Knowles Electronics (Shanghai) Co., Ltd. Shenzhen Branch	China
Knowles Electronics (Suzhou) Co., Ltd.	China
Knowles Electronics GmbH	Switzerland
Knowles Electronics Denmark ApS	Denmark
Knowles Electronics Japan, K.K.	Japan
Knowles Electronics Singapore Pte Ltd	Singapore
Knowles Europe	United Kingdom
Knowles IPC (M) Sdn. Bhd.	Malaysia
Knowles Korea Yuhan Hoesa	South Korea
Knowles Luxembourg International S.à.r.l	Luxembourg	offshore centre
Knowles Luxembourg S.à.r.l	Luxembourg	offshore centre
Revod (Philippines) Holdings Corporation	Philippines

Financial health

Two standard screens, computed from the XBRL in FY2025 against FY2024. Every test shows the numbers behind it — a score with its inputs hidden is a number you cannot check.

Piotroski F-score

7 / 7

PASSReturn on assets positiveROA 4.2%
FAILOperating cash flow positiveOCF —
PASSReturn on assets improving-21.3% → 4.2%
FAILCash flow exceeds earningsOCF — vs NI 44M
PASSLong-term debt ratio falling12.0% → 10.8% of assets
PASSCurrent ratio improving1.83 → 2.75
PASSNo share dilution90M → 88M shares
PASSGross margin improving42.4% → 43.2%
PASSAsset turnover improving0.49× → 0.56×

Six-year record

Year	Revenue	Net income	Free cash flow	Gross margin	Shares
FY2020	$764.3M	$6.6M	—	35.5%	92,883,138
FY2021	$868.1M	$150.4M	—	41.4%	94,700,000
FY2022	$764.7M	−$430.1M	—	36.1%	91,700,000
FY2023	$707.6M	$72.4M	—	40.1%	91,600,000
FY2024	$553.5M	−$237.8M	—	42.4%	90,100,000
FY2025	$593.2M	$44.2M	—	43.2%	88,000,000

Ownership flow

12 institutions tracked — 6 added, 6 reduced, 1 sold out.

Institutional holders of Knowles Corp and their share-count change
Manager	Kind	Shares	Change	Value
PRICE T ROWE ASSOCIATES INC /MD/	Active fund	1,742,006	+1,642,915	$72.3M
BlackRock, Inc.	Index	13,780,470	+361,857	$571.6M
GEODE CAPITAL MANAGEMENT, LLC	Index	2,421,462	+343,322	$100.5M
MORGAN STANLEY	Active fund	1,365,364	+314,729	$56.6M
JPMORGAN CHASE & CO	Active fund	348,213	−219,808	$14.4M
STATE STREET CORP	Index	3,511,794	+174,109	$145.7M
WELLINGTON MANAGEMENT GROUP LLP	Active fund	672,937	−81,698	$27.9M
CITADEL ADVISORS LLC	Hedge fund	35,500	−63,819	$1.5M
RENAISSANCE TECHNOLOGIES LLC	Hedge fund	19,700	−52,700	$817,156
BANK OF AMERICA CORP /DE/	Active fund	727,038	−28,285	$30.2M
AQR CAPITAL MANAGEMENT LLC	Hedge fund	290,443	−6,583	$12.0M
FMR LLC	Active fund	109,415	+648	$4.5M

From 13F filings, which cover institutions managing over $100m and are filed up to 45 days after the quarter ends — so this is a considered position, not a live one, and it is not the whole shareholder register.

Identity

CIK: 0001587523
FIGI: BBG004M8M6J1
SIC: 3651 · Household Audio & Video Equipment
Incorporated: DE
Headquarters: ITASCA, IL

Ownership

Institutional: 103.9%
Institutions: 460
Insiders: 1.8%

Ownership percentages are a vendor aggregate, not a filing — unlike everything else on this page.

Related companies

Companies filing in the same SEC industry group.

UNIVERSAL ELECTRONICS INCUEIC ADTRAN Holdings, Inc.ADTN FabrinetFN ACUITY INC. (DE)AYI LSI INDUSTRIES INCLYTS AVIAT NETWORKS, INC.AVNW

Questions about Knowles Corp

How many subsidiaries does Knowles Corp file with the SEC?: 41, listed in its most recent exhibit 21. They are incorporated across 18 jurisdictions, led by Delaware, South Carolina, Illinois. 3 of them sit in offshore financial centres. That exhibit is filed with the company's annual report and is the company's own list, not an estimate.
Is Knowles Corp financially healthy?: Knowles Corp scores 7 out of 7 on the Piotroski F-score. Only 7 of the nine tests could be computed from what it filed; the rest need a prior year it has not reported. Every test and the numbers behind it are shown above, so the arithmetic is checkable rather than something you have to take on trust.
Who are the largest institutional holders of Knowles Corp?: Among the managers tracked here, the biggest positions as of the 2026-Q2 13F filings are BlackRock, Inc. (adding), STATE STREET CORP (adding), GEODE CAPITAL MANAGEMENT, LLC (adding). Direction is the change in share count against that manager's own previous filing; managers with no prior filing are left out rather than counted as new buyers.

This page is one panel of the terminal

The structure map above is the Corporate Blueprint, and in the desktop it is interactive — click any entity to re-centre the map on it and walk the ownership chain. It sits alongside the screener, the scorecard and the filings lab on one desk, on your machine.

Download the terminal See pricing

Sourced from SEC EDGAR primary filings. Figures are as reported by the company and are not investment advice. Scores are standard published screens computed from those filings; every input is shown above so you can check the arithmetic.

Corporate structure

41 entities across 18 jurisdictions, 3 in offshore financial centres. Read directly from the company’s own 10-K EX-21 filed 2026-02-09 — see the exhibit.

Entity

Jurisdiction

Note

CD Snow Hill, LLC

Delaware

Cornell Dubilier Property Corp.

South Carolina

Cornell Dubilier, LLC

Delaware

Cornell-Dubilier Acquisition Corp.

Delaware

Cornell-Dubilier Marketing, Inc.

Delaware

Illinois Capacitor International, Inc.

Illinois

Illinois Capacitor, Inc.

Illinois

Integrated Microwave Corporation

California

Knowles Capital Holdings, Inc.

Delaware

Knowles Cazenovia Inc.

Delaware

Knowles Echelon Holdings, LLC

Delaware

Knowles Electronics Holdings, Inc.

Delaware

Knowles Electronics PD, Inc.

Delaware

Knowles Electronics, LLC

Delaware

Knowles Intermediate Holding, Inc.

Delaware

Novacap, LLC

Delaware

Sensor Platforms, Inc.

Delaware

Audience Communications Systems India Private Limited

India

Audience International, Inc.

Cayman Islands

offshore centre

Audience Singapore Pte. Ltd.

Singapore

C.D. Electronica de Mexico, S.A. de C.V

Mexico

Illinois Capacitor (HK) Limited

Hong Kong

KEP (Philippines) Reality Corporation ("LandCo")

Philippines

Knowles (UK) Limited

United Kingdom

Knowles Distribution Sdn. Bhd.

Malaysia

Knowles Electronics (Malaysia) Sdn. Bhd.

Malaysia

Knowles Electronics (Philippines) Corporation

Philippines

Knowles Electronics (Shanghai) Co., Ltd.

China

Knowles Electronics (Shanghai) Co., Ltd. Beijing Branch

China

Knowles Electronics (Shanghai) Co., Ltd. Shenzhen Branch

China

Knowles Electronics (Suzhou) Co., Ltd.

China

Knowles Electronics GmbH

Switzerland

Knowles Electronics Denmark ApS

Denmark

Knowles Electronics Japan, K.K.

Japan

Knowles Electronics Singapore Pte Ltd

Singapore

Knowles Europe

United Kingdom

Knowles IPC (M) Sdn. Bhd.

Malaysia

Knowles Korea Yuhan Hoesa

South Korea

Knowles Luxembourg International S.à.r.l

Luxembourg

offshore centre

Knowles Luxembourg S.à.r.l

Luxembourg

offshore centre

Revod (Philippines) Holdings Corporation

Philippines

Financial health

Two standard screens, computed from the XBRL in FY2025 against FY2024. Every test shows the numbers behind it — a score with its inputs hidden is a number you cannot check.

Piotroski F-score

7 / 7

PASSReturn on assets positiveROA 4.2%
FAILOperating cash flow positiveOCF —
PASSReturn on assets improving-21.3% → 4.2%
FAILCash flow exceeds earningsOCF — vs NI 44M
PASSLong-term debt ratio falling12.0% → 10.8% of assets
PASSCurrent ratio improving1.83 → 2.75
PASSNo share dilution90M → 88M shares
PASSGross margin improving42.4% → 43.2%
PASSAsset turnover improving0.49× → 0.56×

Year

Revenue

Net income

Free cash flow

Gross margin

FY2020

$764.3M

$6.6M

—

35.5%

92,883,138

FY2021

$868.1M

$150.4M

—

41.4%

94,700,000

FY2022

$764.7M

−$430.1M

—

36.1%

91,700,000

FY2023

$707.6M

$72.4M

—

40.1%

91,600,000

FY2024

$553.5M

−$237.8M

—

42.4%

90,100,000

FY2025

$593.2M

$44.2M

—

43.2%

88,000,000

Ownership flow

12 institutions tracked — 6 added, 6 reduced, 1 sold out.

Institutional holders of Knowles Corp and their share-count change
Manager	Kind	Shares	Change	Value
PRICE T ROWE ASSOCIATES INC /MD/	Active fund	1,742,006	+1,642,915	$72.3M
BlackRock, Inc.	Index	13,780,470	+361,857	$571.6M
GEODE CAPITAL MANAGEMENT, LLC	Index	2,421,462	+343,322	$100.5M
MORGAN STANLEY	Active fund	1,365,364	+314,729	$56.6M
JPMORGAN CHASE & CO	Active fund	348,213	−219,808	$14.4M
STATE STREET CORP	Index	3,511,794	+174,109	$145.7M
WELLINGTON MANAGEMENT GROUP LLP	Active fund	672,937	−81,698	$27.9M
CITADEL ADVISORS LLC	Hedge fund	35,500	−63,819	$1.5M
RENAISSANCE TECHNOLOGIES LLC	Hedge fund	19,700	−52,700	$817,156
BANK OF AMERICA CORP /DE/	Active fund	727,038	−28,285	$30.2M
AQR CAPITAL MANAGEMENT LLC	Hedge fund	290,443	−6,583	$12.0M
FMR LLC	Active fund	109,415	+648	$4.5M

Questions about Knowles Corp

How many subsidiaries does Knowles Corp file with the SEC?

41, listed in its most recent exhibit 21. They are incorporated across 18 jurisdictions, led by Delaware, South Carolina, Illinois. 3 of them sit in offshore financial centres. That exhibit is filed with the company's annual report and is the company's own list, not an estimate.

Is Knowles Corp financially healthy?

Knowles Corp scores 7 out of 7 on the Piotroski F-score. Only 7 of the nine tests could be computed from what it filed; the rest need a prior year it has not reported. Every test and the numbers behind it are shown above, so the arithmetic is checkable rather than something you have to take on trust.

Who are the largest institutional holders of Knowles Corp?

Among the managers tracked here, the biggest positions as of the 2026-Q2 13F filings are BlackRock, Inc. (adding), STATE STREET CORP (adding), GEODE CAPITAL MANAGEMENT, LLC (adding). Direction is the change in share count against that manager's own previous filing; managers with no prior filing are left out rather than counted as new buyers.