Stock Ownership/NEOG

NEOGEN CORP (NEOG): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in NEOG · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
19
13F filers
Aggregate Value
$100.5M
Across holders
Last Price
$11.60
2026-08-24
Sector
Health Care
GICS
Quarterly fund activity12 increased7 reduced5 exited
Full exits: Bridgewater Associates, LP, BALYASNY ASSET MANAGEMENT LLC, MILLENNIUM MANAGEMENT LLC, TUDOR INVESTMENT CORP ET AL, Magnetar Financial LLC
Institutional Holders of NEOG
↗
19 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
Hudson Bay Capital Management LP
CIK 0001393825
Hedge Fund6.50M$58.4M58.2%0.2%Reduced+$58.4MQ2 2026
ArrowMark Colorado Holdings LLC
CIK 0001483859
Hedge Fund1.15M$10.4M10.3%0.4%Added+$1.7MQ2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
Hedge Fund1.10M$9.9M9.9%0.0%Added+$7.0MQ2 2026
FRED ALGER MANAGEMENT, LLC
CIK 0000003520
Hedge Fund827K$7.4M7.4%0.0%Reduced+$4.4MQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund500K$4.5M4.5%0.0%Reduced$-25.5MQ2 2026
Squarepoint Ops LLC
CIK 0001642575
Hedge Fund294K$2.6M2.6%0.0%Added—Q2 2026
GAMCO INVESTORS, INC. ET AL
CIK 0000807249
Institutional Manager196K$1.8M1.8%0.0%Reduced$-36KQ2 2026
CAXTON ASSOCIATES LLP
CIK 0002051323
Hedge Fund149K$1.3M1.3%0.0%Reduced$-215KQ2 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund118K$1.1M1.1%0.0%Added—Q2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund86K$772K0.8%0.0%Reduced$-4.6MQ2 2026
Hudson Bay Capital Management LPReduced
Hedge Fund
$58.4M· 58.2% of total· 0.2% port· 6.50M sh· +$58.4M QoQ· Q2 2026
ArrowMark Colorado Holdings LLCAdded
Hedge Fund
$10.4M· 10.3% of total· 0.4% port· 1.15M sh· +$1.7M QoQ· Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPAdded
Hedge Fund
$9.9M· 9.9% of total· 0.0% port· 1.10M sh· +$7.0M QoQ· Q2 2026
FRED ALGER MANAGEMENT, LLCReduced
Hedge Fund
$7.4M· 7.4% of total· 0.0% port· 827K sh· +$4.4M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCReduced
Hedge Fund
$4.5M· 4.5% of total· 0.0% port· 500K sh· $-25.5M QoQ· Q2 2026
Squarepoint Ops LLCAdded
Hedge Fund
$2.6M· 2.6% of total· 0.0% port· 294K sh· — QoQ· Q2 2026
GAMCO INVESTORS, INC. ET ALReduced
Institutional Manager
$1.8M· 1.8% of total· 0.0% port· 196K sh· $-36K QoQ· Q2 2026
CAXTON ASSOCIATES LLPReduced
Hedge Fund
$1.3M· 1.3% of total· 0.0% port· 149K sh· $-215K QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCAdded
Hedge Fund
$1.1M· 1.1% of total· 0.0% port· 118K sh· — QoQ· Q2 2026
CITADEL ADVISORS LLCReduced
Hedge Fund
$772K· 0.8% of total· 0.0% port· 86K sh· $-4.6M QoQ· Q2 2026
MARSHALL WACE, LLPReduced
Hedge Fund
$540K· 0.5% of total· 0.0% port· 60K sh· $-528K QoQ· Q2 2026
Brevan Howard Capital Management LPAdded
Hedge Fund
$517K· 0.5% of total· 0.0% port· 58K sh· — QoQ· Q2 2026
Ancora Advisors, LLCAdded
Hedge Fund
$450K· 0.4% of total· 0.0% port· 50K sh· — QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$382K· 0.4% of total· 0.0% port· 42K sh· — QoQ· Q2 2026
Qube Research & Technologies LtdAdded
Hedge Fund
$240K· 0.2% of total· 0.0% port· 27K sh· — QoQ· Q2 2026
Gotham Asset Management, LLCAdded
Hedge Fund
$131K· 0.1% of total· 0.0% port· 15K sh· — QoQ· Q2 2026
Rockefeller Capital Management L.P.Added
Hedge Fund
$16K· 0.0% of total· 0.0% port· 2K sh· $-9K QoQ· Q2 2026
Fulcrum Asset Management LLPAdded
Hedge Fund
$2K· 0.0% of total· 0.0% port· 234 sh· — QoQ· Q2 2026
Walleye Capital LLCAdded
Hedge Fund
$36· 0.0% of total· 0.0% port· 4 sh· $-11K QoQ· Q2 2026
1–10 of 19
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