NEOGEN CORP NEOG
COM · Common Stock · CUSIP 640491106 · ISIN US6404911066
International food safety company
- SectorHealth care
- IndustryIn Vitro & In Vivo Diagnostic Substances
- HeadquartersLansing, MI
- Founded1981
- Websiteneogen.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($212.2k this quarter). Holder counts are more reliable. Shares outstanding: 217.3m as of 2025-08-31, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $5.71. Options: 5 managers hold calls ($3.5m notional), 7 hold puts ($6.6m).
Trends to Q3 2025
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 386 |
| Q4 2022 | 371 |
| Q1 2023 | 356 |
| Q2 2023 | 343 |
| Q3 2023 | 368 |
| Q4 2023 | 342 |
| Q1 2024 | 344 |
| Q2 2024 | 346 |
| Q3 2024 | 338 |
| Q4 2024 | 343 |
| Q1 2025 | 340 |
| Q2 2025 | 318 |
| Q3 2025 | 299 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q4 2023 | 136 | 199 |
| Q1 2024 | 144 | 169 |
| Q2 2024 | 178 | 159 |
| Q3 2024 | 152 | 148 |
| Q4 2024 | 144 | 165 |
| Q1 2025 | 162 | 167 |
| Q2 2025 | 177 | 184 |
| Q3 2025 | 139 | 178 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q4 2024 | $1.6m | $1.2m | 0.75 |
| Q1 2025 | $545.9k | $2.1m | 3.78 |
| Q2 2025 | $1.3m | $5.0m | 3.73 |
| Q3 2025 | $3.5m | $6.6m | 1.91 |
Biggest buyers
| ING GROEP NV | New | +14.1m |
| Hudson Bay Capital Management LP | New | +5.0m |
| BANK OF MONTREAL /CAN/ | Added | +4.5m |
| BNP PARIBAS FINANCIAL MARKETS | Added | +2.4m |
| MIZUHO MARKETS AMERICAS LLC | New | +2.0m |
| JPMORGAN CHASE & CO | Added | +2.0m |
| BlackRock, Inc. | Added | +1.4m |
| KENNEDY CAPITAL MANAGEMENT LLC | Added | +1.3m |
| Jump Financial, LLC | Added | +1.1m |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC | Added | +1.1m |
Biggest sellers
| Southpoint Capital Advisors LP | Reduced | -5.0m |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | Reduced | -3.5m |
| ROYAL BANK OF CANADA | Reduced | -3.1m |
| FRED ALGER MANAGEMENT, LLC | Reduced | -2.5m |
| KING LUTHER CAPITAL MANAGEMENT CORP | Reduced | -2.3m |
| Clarkston Capital Partners, LLC | Reduced | -2.3m |
| Gates Capital Management, Inc. | Reduced | -1.9m |
| CITADEL ADVISORS LLC | Reduced | -1.9m |
| BANQUE PICTET & CIE SA | Sold out | -1.9m |
| AMERICAN CAPITAL MANAGEMENT INC | Reduced | -1.7m |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $2.2m381.3k shares |
| CITADEL ADVISORS LLC | Added | $918.7k160.9k shares |
| SIMPLEX TRADING, LLC | Added | $136.0k23.9k shares |
| GROUP ONE TRADING LLC | Added | $127.9k22.4k shares |
| Walleye Capital LLC | Reduced | $98.2k17.2k shares |
Biggest puts
| CITADEL ADVISORS LLC | Added | $4.7m828.0k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $1.1m187.6k shares |
| SIMPLEX TRADING, LLC | Unchanged | $637.0k111.7k shares |
| Cubist Systematic Strategies, LLC | New | $66.8k11.7k shares |
| WOLVERINE TRADING, LLC | New | $56.5k10.1k shares |
| Walleye Capital LLC | Added | $26.3k4.6k shares |
| GROUP ONE TRADING LLC | New | $25.7k4.5k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| BlackRock, Inc. 13G · institution filed 2025-04-24 | 14.3% |
| Neuberger Berman Group LLC 13G · institution new · filed 2026-07-07 | 7.6% |
| VANGUARD PORTFOLIO MANAGEMENT LLC 13G · institution new · filed 2026-04-29 | 5.9% |
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-30 | 5.1% |
Fell to 5% or below in the last year: Clarkston Capital Partners, LLC (1.0%, 2026-05-14), VANGUARD GROUP INC (0.0%, 2026-03-27; now reported by VANGUARD PORTFOLIO MANAGEMENT LLC), Gates Capital Management, Inc. (3.9%, 2026-02-17), ING GROEP NV (4.0%, 2025-12-04)
Insider purchases and sales in Q3 2025
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q4 2023 | 4 | $379.7k | 2 | $75.8k | — |
| Q1 2024 | 0 | — | 0 | — | — |
| Q2 2024 | 4 | $662.2k | 0 | — | — |
| Q3 2024 | 1 | $50.6k | 0 | — | — |
| Q4 2024 | 1 | $200.1k | 0 | — | — |
| Q1 2025 | 2 | $418.5k | 0 | — | — |
| Q2 2025 | 9 | $771.8k | 0 | — | — |
| Q3 2025 | 0 | — | 0 | — | — |
None reported in Q3 2025.
Holders, Q3 2025
| Manager | Shares | Change |
|---|---|---|
| BlackRock, Inc. 0.00% of their portfolio | 32.0m $182.8m | Added +1.4m |
| VANGUARD GROUP INC 0.00% of their portfolio | 24.0m $136.8m | Added +385.9k |
| ING GROEP NV 0.43% of their portfolio | 14.1m $80.3m | New |
| Clarkston Capital Partners, LLC 1.44% of their portfolio | 11.7m $66.8m | Reduced -2.3m |
| Gates Capital Management, Inc. 1.93% of their portfolio | 10.9m $62.2m | Reduced -1.9m |
| STATE STREET CORP 0.00% of their portfolio | 8.8m $50.0m | Added +158.2k |
| DIMENSIONAL FUND ADVISORS LP 0.01% of their portfolio | 8.0m $45.8m | Reduced -1.1m |
| MACKENZIE FINANCIAL CORP 0.05% of their portfolio | 7.8m $44.6m | Added +6.3k |
| BAMCO INC /NY/ 0.10% of their portfolio | 6.9m $39.1m | Added +684 |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 0.09% of their portfolio | 5.9m $33.7m | Reduced -3.5m |
| MORGAN STANLEY 0.00% of their portfolio | 5.9m $33.5m | Reduced -347.9k |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 5.4m $30.7m | Added +237.3k |
| CIBC Bancorp USA Inc. 0.17% of their portfolio | 5.1m $29.0m | First filing |
| Southpoint Capital Advisors LP 0.75% of their portfolio | 5.0m $28.6m | Reduced -5.0m |
| Hudson Bay Capital Management LP 0.17% of their portfolio | 5.0m $28.6m | New |
| BANK OF MONTREAL /CAN/ 0.01% of their portfolio | 4.6m $26.2m | Added +4.5m |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 4.1m $23.3m | Added +710.3k |
| UBS Group AG 0.00% of their portfolio | 3.8m $21.5m | Added +422.6k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 3.4m $19.2m | Added +2.0m |
| SHAPIRO CAPITAL MANAGEMENT LLC 0.80% of their portfolio | 3.3m $18.6m | Reduced -23.0k |
| D. E. Shaw & Co., Inc. 0.01% of their portfolio | 3.2m $18.3m | Added +967.7k |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.06% of their portfolio | 3.0m $17.0m | Added +1.1m |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 2.8m $16.1m | Added +492.5k |
| AMERIPRISE FINANCIAL INC 0.00% of their portfolio | 2.7m $15.5m | Reduced -367.3k |
| BNP PARIBAS FINANCIAL MARKETS 0.01% of their portfolio | 2.7m $15.2m | Added +2.4m |
| NORTHERN TRUST CORP 0.00% of their portfolio | 2.5m $14.0m | Added +128.1k |
| T. Rowe Price Investment Management, Inc. 0.01% of their portfolio | 2.3m $13.4m | Reduced -9.9k |
| Glenmede Investment Management, LP 0.06% of their portfolio | 2.2m $12.3m | Added +258.1k |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 2.0m $11.6m | Added +934.1k |
| MIZUHO MARKETS AMERICAS LLC 0.24% of their portfolio | 2.0m $11.4m | New |
| FRED ALGER MANAGEMENT, LLC 0.04% of their portfolio | 1.7m $9.6m | Reduced -2.5m |
| AMERICAN CAPITAL MANAGEMENT INC 0.38% of their portfolio | 1.7m $9.5m | Reduced -1.7m |
| KENNEDY CAPITAL MANAGEMENT LLC 0.20% of their portfolio | 1.6m $8.9m | Added +1.3m |
| Bank of New York Mellon Corp 0.00% of their portfolio | 1.3m $7.6m | Added +19.6k |
| FEDERATED HERMES, INC. 0.01% of their portfolio | 1.3m $7.6m | Added +64.3k |
| Nuveen, LLC 0.00% of their portfolio | 1.3m $7.2m | Reduced -54.6k |
| Invesco Ltd. 0.00% of their portfolio | 1.3m $7.2m | Added +164.1k |
| NEUBERGER BERMAN GROUP LLC 0.01% of their portfolio | 1.2m $6.9m | Added +60.0k |
| Jump Financial, LLC 0.09% of their portfolio | 1.2m $6.8m | Added +1.1m |
| ArrowMark Colorado Holdings LLC 0.12% of their portfolio | 1.1m $6.4m | Added +247.6k |
| KING LUTHER CAPITAL MANAGEMENT CORP 0.03% of their portfolio | 1.1m $6.2m | Reduced -2.3m |
| PRINCIPAL FINANCIAL GROUP INC 0.00% of their portfolio | 1.0m $6.0m | Added +68.2k |
| NATIONAL BANK OF CANADA /FI/ 0.01% of their portfolio | 1.0m $5.7m | Added +1.0m |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0.01% of their portfolio | 996.9k $5.7m | New |
| CITADEL ADVISORS LLC 0.00% of their portfolio | 865.5k $4.9m | Reduced -1.9m |
| Public Sector Pension Investment Board 0.02% of their portfolio | 847.3k $4.8m | Added +175.0k |
| Grandeur Peak Global Advisors, LLC 0.54% of their portfolio | 701.5k $4.0m | Reduced -194.3k |
| Susquehanna Portfolio Strategies, LLC 0.06% of their portfolio | 690.2k $3.9m | Reduced -222.8k |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 655.4k $3.7m | Added +17.6k |
| Legal & General Group Plc 0.00% of their portfolio | 586.9k $3.4m | Added +14.2k |
| Bridgewater Associates, LP 0.01% of their portfolio | 584.8k $3.3m | New |
| CenterBook Partners LP 0.16% of their portfolio | 583.0k $3.3m | Reduced -724.8k |
| Samjo Management, LLC 1.19% of their portfolio | 545.4k $3.1m | Reduced -153.2k |
| Aquatic Capital Management LLC 0.06% of their portfolio | 533.6k $3.0m | First filing |
| NOMURA HOLDINGS INC 0.01% of their portfolio | 532.5k $3.0m | New |
| MUFG Securities EMEA plc 0.07% of their portfolio | 500.0k $2.9m | New |
| OSSIAM 0.04% of their portfolio | 488.5k $2.8m | New |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 468.8k $2.7m | Reduced -3.1m |
| BLAIR WILLIAM & CO/IL 0.01% of their portfolio | 427.5k $2.4m | Reduced -87.1k |
| RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio | 410.2k $2.3m | Reduced -37.1k |
| Swiss National Bank 0.00% of their portfolio | 399.7k $2.3m | Added +5.8k |
| MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC 0.02% of their portfolio | 382.7k $2.2m | Reduced -76.7k |
| IQ EQ FUND MANAGEMENT (IRELAND) Ltd 0.14% of their portfolio | 351.2k $2.0m | Added +161.2k |
| Quantbot Technologies LP 0.05% of their portfolio | 351.1k $2.0m | Added +110.1k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 347.3k $2.0m | Reduced -344.4k |
| BARCLAYS PLC 0.00% of their portfolio | 345.8k $2.0m | Reduced -71.1k |
| VAN ECK ASSOCIATES CORP 0.00% of their portfolio | 313.9k $1.8m | Reduced -23.5k |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 311.1k $1.8m | Added +73.3k |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 278.9k $1.6m | Reduced -147 |
| Quantinno Capital Management LP 0.00% of their portfolio | 276.9k $1.6m | Added +6.6k |
| CANADA LIFE ASSURANCE Co 0.00% of their portfolio | 246.5k $1.4m | Unchanged |
| AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 236.1k $1.3m | Added +6.3k |
| PRUDENTIAL FINANCIAL INC 0.00% of their portfolio | 221.2k $1.3m | Added +13.7k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 210.7k $1.2m | Added +19.7k |
| DARK FOREST CAPITAL MANAGEMENT LP 0.04% of their portfolio | 205.0k $1.2m | New |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 197.6k $1.1m | Added +19.6k |
| Verition Fund Management LLC 0.01% of their portfolio | 191.9k $1.1m | Reduced -286.3k |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 187.2k $1.1m | Added +27.0k |
| Teton Advisors, LLC 0.66% of their portfolio | 186.2k $1.1m | First filing |
| HARBOR CAPITAL ADVISORS, INC. 0.08% of their portfolio | 184.0k $1.1m | Reduced -1.2m |
| GABELLI FUNDS LLC 0.01% of their portfolio | 164.0k $936.4k | Added +66.0k |
| SG Americas Securities, LLC 0.00% of their portfolio | 157.1k $897.0k | Added +30.9k |
| Thrivent Financial for Lutherans 0.00% of their portfolio | 156.7k $895.0k | Added +11.5k |
| FRANKLIN RESOURCES INC 0.00% of their portfolio | 154.6k $882.7k | Reduced -307 |
| WOLVERINE ASSET MANAGEMENT LLC 0.01% of their portfolio | 148.3k $846.8k | Unchanged |
| AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio | 141.2k $806.0k | Added +18.0k |
| Private Advisor Group, LLC 0.00% of their portfolio | 140.7k $803.3k | Added +6.2k |
| WEALTH ENHANCEMENT ADVISORY SERVICES, LLC 0.00% of their portfolio | 134.8k $753.5k | Added +6.9k |
| NEW YORK STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 134.1k $766.0k | Unchanged |
| MOORE CAPITAL MANAGEMENT, LP 0.01% of their portfolio | 131.1k $748.8k | New |
| MetLife Investment Management, LLC 0.00% of their portfolio | 129.2k $737.6k | Reduced -2.1k |
| Malaga Cove Capital, LLC 0.27% of their portfolio | 128.4k $733.0k | Reduced -27.7k |
| INTECH INVESTMENT MANAGEMENT LLC 0.01% of their portfolio | 127.8k $729.5k | Reduced -8.2k |
| State of Alaska, Department of Revenue 0.01% of their portfolio | 109.3k $624.0k | Reduced -8.1k |
| Handelsbanken Fonder AB 0.00% of their portfolio | 109.0k $622.0k | Added +38.3k |
| Values First Advisors, Inc. 0.33% of their portfolio | 107.7k $615.1k | Reduced -2.2k |
| MARSHALL WACE, LLP 0.00% of their portfolio | 107.7k $615.0k | Reduced -434.8k |
| CITIGROUP INC 0.00% of their portfolio | 107.0k $611.2k | Reduced -79.9k |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio | 101.6k $580.2k | Reduced -18.2k |
| JANUS HENDERSON GROUP PLC 0.00% of their portfolio | 101.5k $579.2k | Unchanged |