Ticker · CUSIP 640491106

NEOG

NEOGEN CORP
Healthcare·Medical Devices
···Share
Holders (tracked)
12
Combined shares
11,286,922
Combined value
$77.42M
Last close
$9.24
Quarter
2025Q4
Tracked holders · last 8 quarters
+3 vs previous quarter over the last 8.
12102024Q12025Q4
Price is +34.7% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

20 events
  1. Paul Tudor Jones (Tudor Investment) opened position2026-02-17
    +539,326 shares · 2025Q4
    13F
  2. Ken Griffin (Citadel Advisors) added2026-02-17
    +1,129,801 shares · 2025Q4
    13F
  3. D.E. Shaw & Co. trimmed2026-02-17
    −2,157,615 shares · 2025Q4
    13F
  4. AQR Capital Management added2026-02-17
    +344,880 shares · 2025Q4
    13F
  5. Izzy Englander (Millennium Mgmt) opened position2026-02-17
    +41,497 shares · 2025Q4
    13F
  6. T. Rowe Price added2026-02-17
    +14,211 shares · 2025Q4
    13F
  7. Ron Baron (Baron Capital / BAMCO) trimmed2026-02-17
    −1,342,559 shares · 2025Q4
    13F
  8. Ray Dalio (Bridgewater Associates) exited2026-02-13
    −584,794 shares · 2025Q4
    13F
  9. Renaissance Technologies opened position2026-02-12
    +29,539 shares · 2025Q4
    13F
  10. Norges Bank (Norway SWF) opened position2026-02-10
    +144,502 shares · 2025Q4
    13F
  11. Mario Gabelli (GAMCO) added2026-02-05
    +11,000 shares · 2025Q4
    13F
  12. AQR Capital Management added2025-11-14
    +6,311 shares · 2025Q3
    13F
  13. Izzy Englander (Millennium Mgmt) exited2025-11-14
    −1,263,166 shares · 2025Q3
    13F
  14. D.E. Shaw & Co. added2025-11-14
    +967,737 shares · 2025Q3
    13F
  15. T. Rowe Price added2025-11-14
    +19,572 shares · 2025Q3
    13F
  16. Ron Baron (Baron Capital / BAMCO) added2025-11-14
    +684 shares · 2025Q3
    13F
  17. Norges Bank (Norway SWF) exited2025-11-13
    −9,076,830 shares · 2025Q3
    13F
  18. Ray Dalio (Bridgewater Associates) opened position2025-11-13
    +584,794 shares · 2025Q3
    13F
  19. Mario Gabelli (GAMCO) added2025-11-12
    +15,270 shares · 2025Q3
    13F
  20. Norges Bank (Norway SWF) added2025-11-12
    +560,946 shares · 2024Q3
    13F

Insider activity

No insider transactions in the last 30 days.
View full insider history for NEOG →
Follow-the-investor returns
If you'd copied each holder of NEOG…
Cost basis inferred from 13F share-delta history. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
D.E. Shaw & Co.2016Q3$5.15+79.6%$9.6M
Renaissance Technologies2016Q1$6.44+43.5%$273K
AQR Capital Management2016Q1$6.57+40.7%$5.4M
Ken Griffin (Citadel Advisors)2016Q1$6.61+39.7%$4.7M
Ken Griffin (Citadel Advisors)2016Q1$6.61+39.7%$4.7M
Ken Griffin (Citadel Advisors)2016Q1$6.61+39.7%$4.7M
T. Rowe Price2016Q1$8.96+3.1%$2.0M
Paul Tudor Jones (Tudor Investment)2020Q3$9.46-2.3%$5.0M
Izzy Englander (Millennium Mgmt)2017Q4$9.50-2.7%$383K
Norges Bank (Norway SWF)2016Q1$15.81-41.6%$1.3M
Mario Gabelli (GAMCO)2016Q1$20.58-55.1%$1.0M
Ron Baron (Baron Capital / BAMCO)2016Q1$23.49-60.7%$50.9M

Who moved on this name in 2025Q4

13F transactions reported for the latest quarter, grouped by direction.
New positions4
Added to4
Trimmed2
Exited1

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
15
$18.90B
2022Q2
13
$385.8M
2022Q3
17
$202.1M
2022Q4
16
$775.8M
2023Q1
15
$1.01B
2023Q2
12
$1.23B
2023Q3
13
$1.04B
2023Q4
13
$1.17B
2024Q1
10
$998.7M
2024Q2
14
$1.06B
2024Q3
13
$690.4M
2024Q4
12
$462.9M
2025Q1
10
$181.6M
2025Q2
11
$111.6M
2025Q3
9
$73.2M
2025Q4
12
$77.4M

Who owns NEOG

12 super-investors · 2025Q4
Tracked stake
11.29M
shares
Combined value
$77M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New4Added6Trim2
#ManagerSharesValue
1Ron Baron
Baron Capital / BAMCO
5.51M$39M
2Ken Griffin
Citadel Advisors
2.00M$14M
3D.E. Shaw & Co.1.04M$7M
4AQR Capital Management581.0K$4M
5Ken Griffin
Citadel Advisors
571.7K$4M
6Paul Tudor Jones
Tudor Investment
539.3K$4M
7Ken Griffin
Citadel Advisors
510.6K$4M
8Norges Bank
Norway SWF
144.5K$1M
9Mario Gabelli
GAMCO
111.5K$779K
10Izzy Englander
Millennium Mgmt
41.5K$290K
11Renaissance Technologies29.5K$206K
12T. Rowe Price211.8K$1K

Recent moves

20 transactions
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