As of November 6, 2026, 3 holders' latest Schedule 13D or 13G filings report owning 5% or more of Neogen Corp. The largest reported stake is Neuberger Berman Group LLC's, at 7.6%. 13 filings are on record since July 24, 2025 (Schedule 13G, July 7, 2026).
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Key facts
- · Reporting person: Neuberger Berman Group LLC · Sole voting: 0 · Shared voting: 15,163,045 · Sole dispositive: 0 · Shared dispositive: 16,570,795 · SCHEDULE 13G, 2026-07-07
- · Reporting person: Clarkston Capital Partners, LLC · Sole voting: 1,000,000 · Shared voting: 1,202,188 · Sole dispositive: 1,000,000 · Shared dispositive: 1,204,788 · SCHEDULE 13G/A, 2026-05-14
- · Reporting person: Vanguard Capital Management · Sole voting: 1,599,582 · Shared voting: 0 · Sole dispositive: 11,164,628 · Shared dispositive: 0 · SCHEDULE 13G, 2026-04-30
- · Reporting person: Vanguard Portfolio Management · Sole voting: 84,066 · Shared voting: 0 · Sole dispositive: 12,916,330 · Shared dispositive: 0 · SCHEDULE 13G, 2026-04-29
- · Holder: The Vanguard Group · Percent: 0% · SCHEDULE 13G/A
Neogen Corp has 13 Schedule 13D or 13G filings on record since 2025-07-24. 3 holders' latest filing reports 5% or more of common. Each figure below is the holder's own, as filed, with the filing linked.
Holders
| Holder | Percent | Shares | Latest | Event date |
|---|---|---|---|---|
| Neuberger Berman Group LLC | 7.6% | 16,570,795 | SCHEDULE 13G, 2026-07-07 | 2026-06-30 |
| Vanguard Portfolio Management | 5.93% | 12,916,330 | SCHEDULE 13G, 2026-04-29 | 2026-03-31 |
| Vanguard Capital Management | 5.13% | 11,164,628 | SCHEDULE 13G, 2026-04-30 | 2026-03-31 |
| William Blair Investment Management, LLC | 4.3% | 9,403,020 | SCHEDULE 13G/A, 2025-07-30 | 2025-06-30 |
| Norges Bank | 4.2% | 9,076,830 | SCHEDULE 13G/A, 2025-07-24 | 2025-06-30 |
| Ing Groep Nv | 3.99% | 8,673,700 | SCHEDULE 13G/A, 2025-12-04 | 2025-11-28 |
| Gates Capital Management, L.P. | 3.9% | 8,385,534 | SCHEDULE 13G/A, 2026-02-17 | 2025-12-31 |
| Clarkston Capital Partners, LLC | 1.01% | 2,204,788 | SCHEDULE 13G/A, 2026-05-14 | 2026-03-31 |
| The Vanguard Group | 0% | 0 | SCHEDULE 13G/A, 2026-03-27 | 2026-03-13 |
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More on Neogen Corp and the records around it.
Neogen Corp elsewhere on the record
Companies that share a holder
- ING GROEP NV also filed stake reports on 1 other company: Tenax Therapeutics, Inc. (Sep 2026)
- Gates Capital Management, L.P. also filed stake reports on 6 other companies: Atkore Inc. (Aug 2026), MasterBrand, Inc. (Aug 2026), Acuren Corporation (Aug 2026)
- Clarkston Capital Partners, LLC also filed stake reports on 8 other companies: CLARIVATE PLC (May 2026), ENERGIZER HOLDINGS, INC. (May 2026), JOHN WILEY & SONS, INC. (May 2026)
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Voting and dispositive power, as filed
| Reporting person | Sole voting | Shared voting | Sole dispositive | Shared dispositive | Filing |
|---|---|---|---|---|---|
| Neuberger Berman Group LLC | 0 | 15,163,045 | 0 | 16,570,795 | SCHEDULE 13G, 2026-07-07 |
| Neuberger Berman Investment Advisers LLC | 0 | 14,703,357 | 0 | 16,109,771 | SCHEDULE 13G, 2026-07-07 |
| Vanguard Portfolio Management | 84,066 | 0 | 12,916,330 | 0 | SCHEDULE 13G, 2026-04-29 |
| Vanguard Capital Management | 1,599,582 | 0 | 11,164,628 | 0 | SCHEDULE 13G, 2026-04-30 |
| Clarkston Capital Partners, LLC | 1,000,000 | 1,202,188 | 1,000,000 | 1,204,788 | SCHEDULE 13G/A, 2026-05-14 |
| Clarkston Companies, Inc. | 1,000,000 | 1,202,188 | 1,000,000 | 1,204,788 | SCHEDULE 13G/A, 2026-05-14 |
| Jeffrey A. Hakala | 1,000,000 | 1,202,188 | 1,000,000 | 1,204,788 | SCHEDULE 13G/A, 2026-05-14 |
| Gerald W. Hakala | 1,000,000 | 1,202,188 | 1,000,000 | 1,204,788 | SCHEDULE 13G/A, 2026-05-14 |
The latest filing identifies Neogen Corp by CUSIP 640491106 and gives its principal executive office as 620 LESHER PLACE, Lansing, MI 48912 (SCHEDULE 13G, 2026-07-07).
Timeline
| Filed | Holder | Percent | Filing |
|---|---|---|---|
| 2025-07-24 | Norges Bank | 4.2% | SCHEDULE 13G/A |
| 2025-07-30 | William Blair Investment Management, LLC | 4.3% | SCHEDULE 13G/A |
| 2025-08-13 | Clarkston Capital Partners, LLC | 6.44% | SCHEDULE 13G |
| 2025-08-14 | Gates Capital Management, L.P. | 5.9% | SCHEDULE 13G |
| 2025-10-22 | Ing Groep Nv | 6.47% | SCHEDULE 13G |
| 2025-11-13 | Clarkston Capital Partners, LLC | 5.38% | SCHEDULE 13G/A |
| 2025-12-04 | Ing Groep Nv | 3.99% | SCHEDULE 13G/A |
| 2026-02-17 | Gates Capital Management, L.P. | 3.9% | SCHEDULE 13G/A |
| 2026-03-27 | The Vanguard Group | 0% | SCHEDULE 13G/A |
| 2026-04-29 | Vanguard Portfolio Management | 5.93% | SCHEDULE 13G |
| 2026-04-30 | Vanguard Capital Management | 5.13% | SCHEDULE 13G |
| 2026-05-14 | Clarkston Capital Partners, LLC | 1.01% | SCHEDULE 13G/A |
| 2026-07-07 | Neuberger Berman Group LLC | 7.6% | SCHEDULE 13G |
Questions about who owns Neogen Corp
Who owns Neogen Corp?
On this page, 3 holders' latest ownership filings report 5% or more of Neogen Corp: Neuberger Berman Group LLC (7.6%, Schedule 13G, filed 2026-07-07), Vanguard Portfolio Management (5.93%, Schedule 13G, filed 2026-04-29) and Vanguard Capital Management (5.13%, Schedule 13G, filed 2026-04-30).
Who are the largest shareholders of Neogen Corp?
By the share each holder's latest filing reports, the largest holders of Neogen Corp on this page are Neuberger Berman Group LLC (7.6%), Vanguard Portfolio Management (5.93%) and Vanguard Capital Management (5.13%).
When did Neuberger Berman Group LLC buy into Neogen Corp?
The filings give report dates, not purchase dates. The earliest filing from Neuberger Berman Group LLC on this page is the Schedule 13G, filed 2026-07-07, reporting 7.6%.
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%); 13 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.
Also on the record for Neogen Corp
| Date | Record | Figure | Our page | Source |
|---|---|---|---|---|
| October 26, 2026 | Leadership change filing (Form 8-K, Item 5.02) | — | Leadership changes | Source |
| August 7, 2026 | Leadership change filing (Form 8-K, Item 5.02) | — | Leadership changes | Source |
| March 30, 2026 | Leadership change filing (Form 8-K, Item 5.02) | — | Leadership changes | Source |
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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.