As of November 10, 2026, 5 holders' latest Schedule 13D or 13G filings report owning 5% or more of Knowles Corporation. The largest reported stake is BlackRock, Inc.'s, at 15%. 12 filings are on record since July 18, 2025 (Schedule 13G/A, July 18, 2025).
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Key facts
- · Reporting person: Goldman Sachs Asset Management, L.P. · Sole voting: 0 · Shared voting: 3,260,147 · Sole dispositive: 0 · Shared dispositive: 4,247,177 · SCHEDULE 13G/A, 2026-11-09
- · Holder: Goldman Sachs Asset Management, L.P. · Percent: 5.1% · SCHEDULE 13G
- · Reporting person: Dimensional Fund Advisors LP · Sole voting: 4,933,358 · Shared voting: 0 · Sole dispositive: 5,019,161 · Shared dispositive: 0 · SCHEDULE 13G/A, 2026-07-14
- · Reporting person: Neuberger Berman Group LLC · Sole voting: 0 · Shared voting: 3,010,124 · Sole dispositive: 0 · Shared dispositive: 3,190,956 · SCHEDULE 13G/A, 2026-07-07
- · Reporting person: Vanguard Capital Management · Sole voting: 634,752 · Shared voting: 0 · Sole dispositive: 4,301,980 · Shared dispositive: 0 · SCHEDULE 13G, 2026-04-30
Knowles Corporation has 12 Schedule 13D or 13G filings on record since 2025-07-18. 5 holders' latest filing reports 5% or more of common stock, par value $0.01 per share. Each figure below is the holder's own, as filed, with the filing linked.
Holders
| Holder | Percent | Shares | Latest | Event date |
|---|---|---|---|---|
| BlackRock, Inc. | 15% | 13,082,127 | SCHEDULE 13G/A, 2025-07-18 | 2025-06-30 |
| Vanguard Portfolio Management | 7.85% | 6,721,350 | SCHEDULE 13G, 2026-04-29 | 2026-03-31 |
| Dimensional Fund Advisors LP | 5.9% | 5,019,161 | SCHEDULE 13G/A, 2026-07-14 | 2026-06-30 |
| Vanguard Capital Management | 5.02% | 4,301,980 | SCHEDULE 13G, 2026-04-30 | 2026-03-31 |
| Goldman Sachs Asset Management, L.P. | 5% | 4,247,177 | SCHEDULE 13G/A, 2026-11-09 | 2026-09-30 |
| Ariel Investments, LLC | 4.8% | 4,108,160 | SCHEDULE 13G/A, 2025-11-14 | 2025-09-30 |
| Neuberger Berman Group LLC | 3.7% | 3,190,956 | SCHEDULE 13G/A, 2026-07-07 | 2026-06-30 |
| Franklin Mutual Advisers, LLC | 1.5% | 1,258,590 | SCHEDULE 13G/A, 2026-01-29 | 2025-12-31 |
| The Vanguard Group | 0% | 0 | SCHEDULE 13G/A, 2026-03-27 | 2026-03-13 |
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More on Knowles Corporation and the records around it.
Knowles Corporation elsewhere on the record
Companies that share a holder
- Goldman Sachs Asset Management, L.P. also filed stake reports on 8 other companies: AMERISAFE, INC. (Nov 2026), MONTROSE ENVIRONMENTAL GROUP INC (Nov 2026), PICS NV (Aug 2026)
- Ariel Investments, LLC also filed stake reports on 13 other companies: Lindblad Expeditions Holdings (Aug 2026), Madison Square Garden Entertai (Aug 2026), Mattel Inc (Aug 2026)
- Franklin Mutual Advisers, LLC also filed stake reports on 14 other companies: BENCHMARK ELECTRONICS INC (Apr 2026), Ryerson Holding Corp (Apr 2026), Select Water Solutions, Inc. (Apr 2026)
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What They Do, And How The Money Works
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Voting and dispositive power, as filed
| Reporting person | Sole voting | Shared voting | Sole dispositive | Shared dispositive | Filing |
|---|---|---|---|---|---|
| Dimensional Fund Advisors LP | 4,933,358 | 0 | 5,019,161 | 0 | SCHEDULE 13G/A, 2026-07-14 |
| Vanguard Capital Management | 634,752 | 0 | 4,301,980 | 0 | SCHEDULE 13G, 2026-04-30 |
| Goldman Sachs Asset Management, L.P. | 0 | 3,260,147 | 0 | 4,247,177 | SCHEDULE 13G/A, 2026-11-09 |
| Neuberger Berman Group LLC | 0 | 3,010,124 | 0 | 3,190,956 | SCHEDULE 13G/A, 2026-07-07 |
| Neuberger Berman Investment Advisers LLC | 0 | 2,970,925 | 0 | 3,151,634 | SCHEDULE 13G/A, 2026-07-07 |
The latest filing identifies Knowles Corporation by CUSIP 49926D109 and gives its principal executive office as 1151 Maplewood Drive, Itasca (SCHEDULE 13G/A, 2026-11-09).
Timeline
| Filed | Holder | Percent | Filing |
|---|---|---|---|
| 2025-07-18 | BlackRock, Inc. | 15% | SCHEDULE 13G/A |
| 2025-10-14 | Neuberger Berman Group LLC | 5.8% | SCHEDULE 13G |
| 2025-11-04 | Franklin Mutual Advisers, LLC | 5.3% | SCHEDULE 13G |
| 2025-11-14 | Ariel Investments, LLC | 4.8% | SCHEDULE 13G/A |
| 2026-01-29 | Franklin Mutual Advisers, LLC | 1.5% | SCHEDULE 13G/A |
| 2026-03-27 | The Vanguard Group | 0% | SCHEDULE 13G/A |
| 2026-04-29 | Vanguard Portfolio Management | 7.85% | SCHEDULE 13G |
| 2026-04-30 | Vanguard Capital Management | 5.02% | SCHEDULE 13G |
| 2026-07-07 | Neuberger Berman Group LLC | 3.7% | SCHEDULE 13G/A |
| 2026-07-14 | Dimensional Fund Advisors LP | 5.9% | SCHEDULE 13G/A |
| 2026-08-14 | Goldman Sachs Asset Management, L.P. | 5.1% | SCHEDULE 13G |
| 2026-11-09 | Goldman Sachs Asset Management, L.P. | 5% | SCHEDULE 13G/A |
Questions about who owns Knowles Corporation
Who owns Knowles Corporation?
On this page, 5 holders' latest ownership filings report 5% or more of Knowles Corporation: BlackRock, Inc. (15%, Schedule 13G/A, filed 2025-07-18), Vanguard Portfolio Management (7.85%, Schedule 13G, filed 2026-04-29), Dimensional Fund Advisors LP (5.9%, Schedule 13G/A, filed 2026-07-14), Vanguard Capital Management (5.02%, Schedule 13G, filed 2026-04-30) and Goldman Sachs Asset Management, L.P. (5%, Schedule 13G/A, filed 2026-11-09).
Who are the largest shareholders of Knowles Corporation?
By the share each holder's latest filing reports, the largest holders of Knowles Corporation on this page are BlackRock, Inc. (15%), Vanguard Portfolio Management (7.85%) and Dimensional Fund Advisors LP (5.9%).
When did BlackRock, Inc. buy into Knowles Corporation?
The filings give report dates, not purchase dates. The earliest filing from BlackRock, Inc. on this page is the Schedule 13G/A, filed 2025-07-18, reporting 15%. That earliest filing is itself an amendment, which updates an earlier report.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 12 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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Where this comes from
Anyone who comes to own more than 5% of a class of a listed company's voting shares has to tell the SEC. A holder who may seek to change or influence the company files Schedule 13D, and has to say in Item 4, "Purpose of Transaction", what it intends to do. A holder with no such intent, such as many index and passive funds, may file the shorter Schedule 13G. Both are amended when the stake changes, including when it falls below 5%.
Every row here is one of those filings, linked to the filing itself. Percentages and share counts are exactly as the holder filed them, for the holder the filing names; an amendment showing a lower figure is shown as filed. Item 4 text is quoted word for word. Where a 13D's Item 4 contains a sentence stating a definite intent to influence the company, that sentence is marked and quoted; the page does not describe the holder or its motives beyond the words it filed. Nothing here is investment advice.