Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
297 institutional managers reported holding NEOG for the quarter ended Mar 31, 2026. Reported positions total over 95% of shares outstanding; the top 10 hold 56%. 38 opened new positions; 44 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 32.62M | 14.99% | $302.9M | unchanged | ≤2013 |
| Vanguard Group | 24.09M | 11.07% | $223.7M | added +1.2% | ≤2013 |
| T. Rowe Price Investment Management, INC. | 10.16M | 4.67% | $94.4M | added +746.1% | 2022 Q4 |
| Dimensional Fund Advisors | 9.13M | 4.20% | $84.8M | added +23.4% | ≤2013 |
| ING Groep NV | 8.90M | 4.09% | $82.7M | added +1.4% | 2025 Q3 |
| State Street | 8.59M | 3.95% | $79.8M | trimmed -1.5% | ≤2013 |
| Mackenzie Financial CORP | 7.80M | 3.58% | $72.5M | trimmed -1.2% | 2022 Q4 |
| Neuberger Berman Group LLC | 7.75M | 3.56% | $72.0M | added +547.2% | ≤2013 |
| Hudson Bay Capital | 6.50M | 2.99% | $60.4M | unchanged | 2025 Q3 |
| SG Americas Securities, LLC | 6.27M | 2.88% | $58.2M | added +287.4% | 2016 Q3 |
| Gates Capital Management, INC. (focused) | 6.26M | 2.88% | $58.1M | trimmed -25.4% | 2025 Q1 |
| Cibc Bancorp USA INC. | 5.99M | 2.75% | $55.6M | trimmed -13.1% | 2014 Q1 |
| Cibc World Market INC. | 5.96M | 2.74% | $55.4M | opened | 2026 Q1 |
| Geode Capital | 5.56M | 2.56% | $51.6M | added +2.5% | ≤2013 |
| Bamco INC /NY/ | 5.01M | 2.30% | $46.5M | trimmed -9.1% | ≤2013 |
| Bank OF America CORP /DE/ | 4.64M | 2.13% | $43.1M | trimmed -14.2% | ≤2013 |
| Morgan Stanley | 4.58M | 2.10% | $42.5M | added +1.9% | ≤2013 |
| Mufg Bank, LTD. | 4.00M | 1.84% | $37.1M | added +4347738% | 2025 Q3 |
| National Bank OF Canada /FI/ | 3.50M | 1.61% | $32.5M | added +250% | 2025 Q2 |
| Mizuho Markets Americas LLC | 3.50M | 1.61% | $32.5M | unchanged | 2025 Q3 |
| Healthcare OF Ontario Pension Plan Trust Fund | 3.30M | 1.51% | $30.6M | trimmed -5.5% | 2025 Q3 |
| Charles Schwab Investment Management | 3.05M | 1.40% | $28.4M | added +5.5% | ≤2013 |
| BNP Paribas Financial Markets | 2.52M | 1.16% | $23.4M | added +14.2% | ≤2013 |
| Northern Trust | 2.36M | 1.08% | $21.9M | added +3.1% | ≤2013 |
| Goldman Sachs | 2.23M | 1.02% | $20.7M | added +70.8% | ≤2013 |
| Ameriprise Financial INC | 2.22M | 1.02% | $20.6M | trimmed -18.3% | ≤2013 |
| Clarkston Capital Partners, LLC | 2.20M | 1.01% | $20.5M | trimmed -80.5% | 2024 Q4 |
| SG Capital Management LLC | 2.14M | 0.98% | $19.8M | opened | 2026 Q1 |
| Nomura Asset Management International INC. | 2.09M | 0.96% | $19.4M | added +146.6% | 2025 Q3 |
| FMR (Fidelity) | 1.91M | 0.88% | $17.7M | added +758.4% | 2018 Q3 |
| UBS | 1.87M | 0.86% | $17.4M | trimmed -6.9% | ≤2013 |
| Glenmede Trust CO NA | 1.83M | 0.84% | $17.0M | trimmed -7.3% | 2013 Q3 |
| Federated Hermes, INC. | 1.60M | 0.73% | $14.8M | added +3.3% | 2020 Q4 |
| Bessemer Group INC | 1.57M | 0.72% | $14.5M | added +160972.5% | 2022 Q2 |
| Kennedy Capital Management LLC | 1.45M | 0.67% | $13.4M | added +2% | 2022 Q4 |
| BNY Mellon | 1.25M | 0.57% | $11.6M | trimmed -3.7% | ≤2013 |
| Nuveen | 1.21M | 0.56% | $11.2M | unchanged | 2019 Q2 |
| Invesco | 1.17M | 0.54% | $10.9M | trimmed -4.1% | ≤2013 |
| King Luther Capital Management CORP | 1.10M | 0.51% | $10.2M | added +1.2% | ≤2013 |
| Principal Financial Group INC | 1.06M | 0.49% | $9.8M | added +2.1% | ≤2013 |
| Heartland Advisors INC | 1.00M | 0.46% | $9.3M | unchanged | 2025 Q4 |
| Citadel Advisors | 998.6k | 0.46% | $9.3M | trimmed -50% | 2014 Q2 |
| American Century Companies INC | 977.7k | 0.45% | $9.1M | added +367.7% | 2024 Q3 |
| Fred Alger Management, LLC | 970.9k | 0.45% | $9.0M | added +16% | 2015 Q1 |
| ArrowMark Colorado Holdings LLC | 968.6k | 0.45% | $9.0M | trimmed -13.3% | 2025 Q2 |
| Public Sector Pension Investment Board | 778.2k | 0.36% | $7.2M | added +3.4% | 2025 Q1 |
| Jane Street | 743.4k | 0.34% | $6.9M | trimmed -32.3% | 2020 Q2 |
| Susquehanna Portfolio Strategies, LLC | 690.2k | 0.32% | $6.4M | unchanged | 2025 Q2 |
| Rhumbline Advisers | 628.5k | 0.29% | $5.8M | added +2% | ≤2013 |
| AQR Capital | 590.0k | 0.27% | $5.5M | added +1.6% | 2018 Q1 |
Largest 50 of 297 shown; the full ranked, searchable register is at boothcheck.com/holders/NEOG. Related filers are grouped using the filings' own included-manager declarations. Historically, several managers opening new positions in the same quarter said almost nothing about the quarter that followed (59,118 cases since 2013). A filed record, not a forecast. Nothing here is investment advice.