Ticker · CUSIP 68622V106

OGN

ORGANON & CO
Healthcare·Drug Manufacturers - General
···Share
Holders (tracked)
15
Combined shares
19,996,350
Combined value
$143.20M
Last close
$9.33
Quarter
2025Q4
Tracked holders · last 8 quarters
+1 vs previous quarter over the last 8.
15122024Q12025Q4
Price is +30.3% vs the avg quarter-end implied price across tracked holders.

SEC event timeline

23 events
  1. AQR Capital Management added2026-02-17
    +4,394,814 shares · 2025Q4
    Position
  2. Two Sigma Investments added2026-02-17
    +1,529,117 shares · 2025Q4
    Position
  3. Jeremy Grantham (GMO) trimmed2026-02-17
    −46,386 shares · 2025Q4
    Position
  4. D.E. Shaw & Co. added2026-02-17
    +2,895,864 shares · 2025Q4
    Position
  5. Ken Griffin (Citadel Advisors) added2026-02-17
    +1,646,734 shares · 2025Q4
    Position
  6. Izzy Englander (Millennium Mgmt) trimmed2026-02-17
    −4,066,587 shares · 2025Q4
    Position
  7. T. Rowe Price trimmed2026-02-17
    −40,728 shares · 2025Q4
    Position
  8. Wellington Management trimmed2026-02-17
    −5,053 shares · 2025Q4
    Position
  9. Steve Cohen (Point72) opened position2026-02-17
    +655,731 shares · 2025Q4
    Position
  10. Ray Dalio (Bridgewater Associates) added2026-02-13
    +240,538 shares · 2025Q4
    Position
  11. Norges Bank (Norway SWF) opened position2026-02-10
    +264,857 shares · 2025Q4
    Position
  12. Mario Gabelli (GAMCO) exited2026-02-05
    −11,630 shares · 2025Q4
    Position
  13. Izzy Englander (Millennium Mgmt) trimmed2025-11-14
    −4,562,932 shares · 2025Q3
    Position
  14. Two Sigma Investments added2025-11-14
    +484,959 shares · 2025Q3
    Position
  15. D.E. Shaw & Co. opened position2025-11-14
    +490,860 shares · 2025Q3
    Position
  16. T. Rowe Price added2025-11-14
    +13,860 shares · 2025Q3
    Position
  17. Wellington Management opened position2025-11-14
    +134,428 shares · 2025Q3
    Position
  18. AQR Capital Management added2025-11-14
    +921,260 shares · 2025Q3
    Position
  19. Jeremy Grantham (GMO) trimmed2025-11-13
    −31,088 shares · 2025Q3
    Position
  20. Norges Bank (Norway SWF) exited2025-11-13
    −2,043,153 shares · 2025Q3
    Position
  21. Ray Dalio (Bridgewater Associates) added2025-11-13
    +480,251 shares · 2025Q3
    Position
  22. Mario Gabelli (GAMCO) trimmed2025-11-12
    −668 shares · 2025Q3
    Position
  23. Norges Bank (Norway SWF) added2025-11-12
    +97,438 shares · 2024Q3
    Position

Insider activity

No insider transactions in the last 30 days.
View full insider history for OGN →
Follow-the-investor returns
If you'd copied each holder of OGN…
Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.
InvestorFirst inCost basisReturnPosition value today
Ken Griffin (Citadel Advisors)2021Q2$7.56+23.3%$3.8M
Ken Griffin (Citadel Advisors)2021Q2$7.56+23.3%$3.8M
Ken Griffin (Citadel Advisors)2021Q2$7.56+23.3%$3.8M
Izzy Englander (Millennium Mgmt)2021Q2$7.66+21.8%$4.3M
D.E. Shaw & Co.2021Q2$7.73+20.7%$164K
D.E. Shaw & Co.2021Q2$7.73+20.7%$164K
Two Sigma Investments2021Q2$8.22+13.5%$20.3M
Ray Dalio (Bridgewater Associates)2024Q3$10.02-6.9%$8.5M
AQR Capital Management2021Q2$10.69-12.7%$80.0M
Wellington Management2021Q2$13.73-32.0%$1.2M
Jeremy Grantham (GMO)2021Q2$14.35-35.0%$4.2M
Steve Cohen (Point72)2023Q1$14.45-35.4%$281K
Steve Cohen (Point72)2023Q1$14.45-35.4%$281K
Norges Bank (Norway SWF)2021Q2$22.36-58.3%$2.5M
T. Rowe Price2021Q2$24.94-62.6%$1.6M

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.
New positions2
Added to5
Trimmed4
Exited1

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.
QuarterHoldersCombined value
2022Q1
16
$53.48B
2022Q2
13
$41.86B
2022Q3
13
$522.3M
2022Q4
14
$651.2M
2023Q1
14
$509.6M
2023Q2
13
$477.1M
2023Q3
13
$401.3M
2023Q4
13
$680.2M
2024Q1
12
$839.6M
2024Q2
13
$835.0M
2024Q3
13
$157.7M
2024Q4
10
$65.4M
2025Q1
10
$116.1M
2025Q2
13
$215.8M
2025Q3
14
$133.3M
2025Q4
15
$143.2M

Who owns OGN

15 super-investors · 2025Q4
Tracked stake
20.00M
shares
Combined value
$143M
% of shares outstanding
—
shares-out unknown
Quarter action mix
New3Added8Trim4
#ManagerSharesValue
1AQR Capital Management8.57M$61M
2D.E. Shaw & Co.3.39M$24M
3Two Sigma Investments2.17M$16M
4Ken Griffin
Citadel Advisors
2.06M$15M
5Ray Dalio
Bridgewater Associates
909.2K$7M
6Steve Cohen
Point72
655.7K$5M
7Izzy Englander
Millennium Mgmt
460.9K$3M
8Jeremy Grantham
GMO
447.7K$3M
9Ken Griffin
Citadel Advisors
406.9K$3M
10Ken Griffin
Citadel Advisors
315.7K$2M
11Norges Bank
Norway SWF
264.9K$2M
12T. Rowe Price167.1K$1M
13Wellington Management129.4K$928K
14Steve Cohen
Point72
30.1K$216K
15D.E. Shaw & Co.17.6K$126K

Recent moves

20 transactions
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