Neogen

NEOG • NASDAQ

Neogen is a medical - diagnostics & research company in the healthcare sector on NASDAQ, led by Mikhael Nassif, with a market cap of $1.5B. As of Q3 2025, 107% of shares are held by 290 institutional investors, with BlackRock, Inc. as the largest holder at 14.73%.

President and Chief Executive OfficerMikhael Nassif

Market Cap$1.5B

Medical - Diagnostics & Research

Healthcare

Employees2.6K

Websiteneogen.com

Country

United States of America

Overview

Overview of institutional ownership in NEOG as of Q3 2025 with a market cap of $1.2B

All Institutions

Institutions: 290
Value Held: $1.3B
Shares Held: 233.5M
Avg Position: $4.6M
Median Position: $233.9K

Hedge Funds

Hedge Funds: 32
Value Held: $171.2M
Shares Held: 30.0M
Avg Position: $5.3M
Median Position: $659.9K

Ownership Breakdown

Institutional (non-HF)

93.66%

$1.2B

Hedge Funds

13.8%

$171.2M

Retail & Other

Based on market cap of $1.2B as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in NEOG as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
B BlackRock, Inc. Institution	-	$182.8M 0.00% of portfolio	14.73% 32.0M shares	≤ Q2 2013 Held for 12y 5m+	$5.67T
VANGUARD GROUP INC Institution	Salim Ramji CEO	$136.8M 0.00% of portfolio	11.03% 24.0M shares	≤ Q2 2013 Held for 12y 5m+	$6.69T
I ING GROEP NV Institution	-	$80.3M 0.43% of portfolio	6.47% 14.1M shares	Q3 2025 Held for 2 months	$18.5B
Clarkston Capital Partners LLC Long Only Manager	Jeffrey Anthony Hakala CEO	$66.8M 1.44% of portfolio	5.38% 11.7M shares	Q4 2024 Held for 11 months	$4.6B
Gates Capital Management, Inc. Hedge Fund•Event Driven	Jeffrey Linn Gates President	$62.2M 1.93% of portfolio	5.02% 10.9M shares	Q1 2025 Held for 8 months	$3.2B
STATE STREET CORP Institution	Ronald P. O'Hanley CEO	$50.0M 0.00% of portfolio	4.03% 8.8M shares	≤ Q2 2013 Held for 12y 5m+	$2.88T
DIMENSIONAL FUND ADVISORS LP Long Only Manager	David Paul Butler CEO	$45.8M 0.01% of portfolio	3.69% 8.0M shares	≤ Q2 2013 Held for 12y 5m+	$466.32B
MACKENZIE FINANCIAL CORP Long Only Manager	Joseph Luke Gregoire Gould CEO	$44.6M 0.05% of portfolio	3.60% 7.8M shares	Q4 2022 Held for 2y 11m	$82.7B
BAMCO INC /NY/ Long Only Manager	Ronald Stephen Baron CEO	$39.1M 0.10% of portfolio	3.15% 6.9M shares	≤ Q2 2013 Held for 12y 5m+	$37.7B
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC Long Only Manager	Brent Walker Gledhill CEO	$33.7M 0.09% of portfolio	2.72% 5.9M shares	Q2 2023 Held for 2y 5m	$38.7B

Net Capital Flow

Institutional buying and selling activity for NEOG in Q3 2025

Traded: +$36.7M
Buyers: 144
Sellers: 168
Total Bought: +$256.5M
Total Sold: −$219.9M
Avg Position: $3.8M

Biggest Buyers

Institution	Net Bought	Current Position
I ING GROEP NV Institution	+$80.3M +14.1M shares	$80.3M 14.1M shares
Hudson Bay Capital Management LP Hedge Fund•Multi-Strategy	+$28.6M +5.0M shares	$28.6M 5.0M shares
BANK OF MONTREAL /CAN/ Institution	+$25.6M +4.5M shares	$26.2M 4.6M shares
B BNP PARIBAS ARBITRAGE, SA Institution	+$13.5M +2.4M shares	$15.2M 2.7M shares
M MIZUHO MARKETS AMERICAS LLC Institution	+$11.4M +2.0M shares	$11.4M 2.0M shares
B BlackRock, Inc. Institution	+$8.1M +1.4M shares	$182.8M 32.0M shares
KENNEDY CAPITAL MANAGEMENT, INC. Long Only Manager	+$7.2M +1.3M shares	$8.9M 1.6M shares
J Jump Financial, LLC Institution	+$6.1M +1.1M shares	$6.8M 1.2M shares
VOLORIDGE INVESTMENT MANAGEMENT, LLC Hedge Fund•Multi-Strategy	+$6.1M +1.1M shares	$17.0M 3.0M shares
N NATIONAL BANK OF CANADA /FI/ Institution	+$5.7M +1.0M shares	$5.7M 1.0M shares

Biggest Sellers

Institution	Net Sold	Current Position
S Southpoint Capital Advisors LP Hedge Fund•Long/Short	−$28.6M −5.0M shares	$28.6M 5.0M shares
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC Long Only Manager	−$20.0M −3.5M shares	$33.7M 5.9M shares
F FRED ALGER MANAGEMENT INC Long Only Manager	−$14.2M −2.5M shares	$9.6M 1.7M shares
KING LUTHER CAPITAL MANAGEMENT CORP Long Only Manager	−$13.4M −2.3M shares	$6.2M 1.1M shares
Clarkston Capital Partners LLC Long Only Manager	−$13.2M −2.3M shares	$66.8M 11.7M shares
Gates Capital Management, Inc. Hedge Fund•Event Driven	−$10.8M −1.9M shares	$62.2M 10.9M shares
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	−$10.8M −1.9M shares	$4.9M 865.5K shares
AMERICAN CAPITAL MANAGEMENT INC Long Only Manager	−$9.6M −1.7M shares	$9.5M 1.7M shares
B BANQUE PICTET & CIE SA Institution	−$9.0M −1.9M shares	Sold Off 0 shares
R ROYAL BANK OF CANADA Institution	−$7.5M −1.3M shares	$2.7M 468.8K shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited NEOG in Q3 2025

New Positions: 18
New Value: $18.5M
Exited Positions: 59
Exited Value: $49.5M

New Positions

Institution	Position Value
M MIZUHO MARKETS AMERICAS LLC Institution	$11.4M 2.0M shares
M Mitsubishi UFJ Securities International PLC Institution	$2.9M 500.0K shares
O OSSIAM Institution	$2.8M 488.5K shares
M MOORE CAPITAL MANAGEMENT, LP Hedge Fund•Global Macro	$748.8K 131.1K shares
BAILARD, INC. RIA/Wealth	$371.7K 65.1K shares
Round Rock Advisors, LLC RIA/Wealth	$144.1K 25.3K shares
D DRIVE WEALTH MANAGEMENT, LLC RIA/Wealth	$68.1K 11.9K shares
Plan A Wealth LLC RIA/Wealth	$68.1K 11.9K shares
Requisite Capital Management, LLC RIA/Wealth	$63.6K 11.1K shares
W WHITE BAY PT LLC Institution	$7.0K 1.2K shares

Exited Positions

Institution	Previous Position
B BANQUE PICTET & CIE SA Institution	$9.0M 1.9M shares
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	$6.0M 1.3M shares
PUNCH & ASSOCIATES INVESTMENT MANAGEMENT, INC. Long Only Manager	$5.9M 1.2M shares
Tensile Capital Management LLC Hedge Fund•Value	$4.9M 1.0M shares
Kovitz Investment Group Partners, LLC RIA/Wealth	$2.8M 51.0K shares
K Kent Lake PR LLC Hedge Fund•Long/Short	$2.4M 500.0K shares
I Invenomic Capital Management LP Hedge Fund•Long/Short	$2.3M 490.0K shares
Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy	$2.0M 423.5K shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$1.9M 405.8K shares
Jackson Square Partners, LLC Long Only Manager	$1.7M 345.3K shares

Options Activity

Institutions with the largest Call and Put options positions in NEOG as of Q3 2025

Call Positions: 5
Call Value: $3.2M
Put Positions: 5
Put Value: $5.9M

Call Positions

Institution	Position Value
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$2.2M 3.8K contracts
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$918.7K 1.6K contracts
Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy	$98.2K 172.0 contracts
W WOLVERINE TRADING, LLC Institution	- - contracts
MILLENNIUM MANAGEMENT LLC Hedge Fund•Multi-Strategy	- - contracts

Put Positions

Institution	Position Value
CITADEL ADVISORS LLC Hedge Fund•Multi-Strategy	$4.7M 8.3K contracts
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$1.1M 1.9K contracts
C Cubist Systematic Strategies, LLC Institution	$66.8K 117.0 contracts
W WOLVERINE TRADING, LLC Institution	$56.5K 101.0 contracts
Walleye Trading Advisors, LLC Hedge Fund•Multi-Strategy	$26.3K 46.0 contracts

Most Committed Institutions

Institutions with NEOG as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
Gates Capital Management, Inc. Hedge Fund•Event Driven	Jeffrey Linn Gates President	1.93% $62.2M	5.02% 10.9M shares	Q1 2025 Held for 8 months	$3.2B
Clarkston Capital Partners LLC Long Only Manager	Jeffrey Anthony Hakala CEO	1.44% $66.8M	5.38% 11.7M shares	Q4 2024 Held for 11 months	$4.6B
S Samjo Management, LLC Hedge Fund•Long/Short	Andrew Nolan Wiener Managing Partner	1.19% $3.1M	0.25% 545.4K shares	Q4 2023 Held for 1y 11m	$261.8M
SHAPIRO CAPITAL MANAGEMENT CO INC Long Only Manager	Louis Steven Shapiro President	0.84% $18.6M	1.50% 3.3M shares	Q2 2024 Held for 1y 5m	$2.2B
S Southpoint Capital Advisors LP Hedge Fund•Long/Short	Anthony Joseph Buffalano CFO	0.77% $28.6M	2.30% 5.0M shares	Q2 2025 Held for 5 months	$3.7B
Grandeur Peak Global Advisors, LLC Long Only Manager	Blake Harold Walker CEO	0.54% $4.0M	0.32% 701.5K shares	Q2 2023 Held for 2y 5m	$745.4M
I ING GROEP NV Institution	-	0.43% $80.3M	6.47% 14.1M shares	Q3 2025 Held for 2 months	$18.5B
S Soapstone Management L.P. Hedge Fund•Long/Short	Jed Franco Nussdorf Managing Partner	0.39% $571.0K	0.05% 100.0K shares	Q3 2022 Held for 3y 2m	$147.3M
AMERICAN CAPITAL MANAGEMENT INC Long Only Manager	David Mark La Valle CEO	0.38% $9.5M	0.77% 1.7M shares	Q2 2023 Held for 2y 5m	$2.5B
Values First Advisors, Inc. RIA/Wealth	Larry Alexander Ellis CEO	0.33% $615.1K	0.05% 107.7K shares	Q3 2022 Held for 3y 2m	$186.1M

Hedge Fund Spotlight

Discover hedge funds investing in NEOG

Bridgewater Associates, LP

Hedge Fund • Global Macro

Portfolio ManagerNir Bar Dea

Portfolio Value: $25.5B
Positions: 1,015
Last Reported: Q3 2025

Sector Allocation

Position in Neogen

Market Value: $3.3M
Shares Held: 584.8K
Portfolio Weight: 0.01%
Owned Since: 2025-Q3

Top Holding	Sector	Market Value	Weight
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