Neogen Corporation
Ownership
Ownership Structure
Who owns Neogen Corporation (NEOG)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 99.5% of the shares are freely tradable; institutional investors hold 112.9%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 14.96 | 32,621,005 | +0.3 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 5.88 | 12,832,264 | +0.0 | 03/31/2026 |
| T. Rowe Price Investment Management,Inc. | 4.66 | 10,162,715 | +8.3 | 03/31/2026 |
| Dimensional Fund Advisors, Inc. | 4.51 | 9,828,174 | +7.6 | 06/30/2026 |
| Vanguard Capital Management, LLC | 4.39 | 9,565,046 | +0.0 | 03/31/2026 |
| ING Groep NV | 4.08 | 8,904,300 | +1.4 | 03/31/2026 |
| Gates Capital Management Inc | 4.01 | 8,742,274 | +39.7 | 06/30/2026 |
| State Street Corp | 3.94 | 8,590,344 | -1.5 | 03/31/2026 |
| Mackenzie Investments | 3.58 | 7,803,226 | -1.2 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| iShares Core S&P Small-Cap ETF | 6.08 | 13,259,120 | -0.1 | 08/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Riggsbee Richard Bryan | CFO | 51,502 | 669,526 $ | Aug 14, 2026 | direct |
| Stacey Jennifer Evans | Chief Legal Officer | 38,627 | 502,151 $ | Aug 14, 2026 | direct |
| Moylan John Patrick | Chief Accounting Officer | 29,331 | 381,303 $ | Aug 19, 2026 | direct |
| Nassif Mikheal | CEO | 26,729 | 347,477 $ | Aug 4, 2026 | both |
| Ranalli Tamara A. | Senior Vice President | 25,751 | 334,763 $ | Aug 14, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 19, 2026 | Moylan John Patrick | Chief Accounting Officer | Other | 2,365 | 11.87 | 28,073 |
| Aug 19, 2026 | Nassif Mikheal | CEO | Other | 20,397 | 11.87 | 242,112 |
| Aug 14, 2026 | Moylan John Patrick | Chief Accounting Officer | Other | 8,584 | 11.65 | 100,004 |
| Aug 14, 2026 | Ranalli Tamara A. | Senior Vice President | Other | 25,751 | 11.65 | 299,999 |
| Aug 14, 2026 | Stacey Jennifer Evans | Chief Legal Officer | Other | 38,627 | 11.65 | 450,005 |
| Aug 14, 2026 | Riggsbee Richard Bryan | CFO | Other | 51,502 | 11.65 | 599,998 |
| Aug 14, 2026 | Nassif Mikheal | CEO | Other | 141,631 | 11.65 | 1,650,001 |
| Aug 4, 2026 | Nassif Mikheal | CEO | Buy | 370 | 11.81 | 4,370 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: September 18, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.