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NEOG

Neogen Corp

Company with tickers: NEOG

CIK
711377
CUSIP
640491106
Shares Outstanding
217,673,041
13F Activity (30d)
91 filings 89 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 257
Total Value: $1,226,717,538
Total Shares: 132,047,116
Showing 1–100 of 261 holdings by value · page 1 of 3

Institutional Ownership Trend

27 quarters

Holder Concentration

Across 256 13F filers · Δ vs Dec 31, 2025
Top Holder
8.9%
Dec 2023 → Mar 2026 · range 8.9% – 13.6%
−4.5 pts
Top 5
38.0%
Dec 2023 → Mar 2026 · range 34.0% – 48.6%
−10.6 pts
Top 10
61.2%
Dec 2023 → Mar 2026 · range 49.9% – 62.6%
−1.4 pts
HHI
459
Dec 2023 → Mar 2026 · range 372 – 579
Broadly held−119

Quarterly Activity

vs Dec 31, 2025
New
46
Increased
82
Decreased
68
Sold Out
51
Unchanged
61
Holder count: -5
Institutional value: +88.8%
Shares held: +42.1%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Showing 100 of 261
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Holder Value (USD) % of 13F Shares Open