Which hedge funds own OGN? ORGANON & CO, Q2 2026 13F holders
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9 of the hedge funds tracked by WhaleCreep disclosed a position in OGN (ORGANON & CO) in their Q2 2026 13F filings, worth $360.5m in total. The largest holder by portfolio weight is Kahn Brothers at 5.7% of its book. 1 manager opened a new position this quarter: Pentwater Capital Management. 3 exited: Brevan Howard Capital Management, Bridgewater Associates, Point72 Asset Management LP.
9tracked managers holding
1opened this quarter
3exited this quarter
Which hedge funds hold OGN? Current holders by portfolio weight
| Manager | As of | Weight of book | Value | Shares | Δ shares | Action |
|---|---|---|---|---|---|---|
| Kahn Brothers | Q2 2026 | 5.7% | $36.2m | 2,670,523 | -52% | reduced |
| Pentwater Capital Management | Q2 2026 | 2.0% | $245.1m | 18,100,000 | – | new |
| Millennium Management | Q2 2026 | 0.0% | $46.6m | 3,442,430 | -49% | reduced |
| First Manhattan | Q2 2026 | 0.0% | $6.8m | 504,647 | -47% | reduced |
| Marshall Wace | Q2 2026 | 0.0% | $11.2m | 828,133 | -11% | reduced |
| D. E. Shaw & Co | Q2 2026 | 0.0% | $9.7m | 718,753 | -73% | reduced |
| Citadel Advisors | Q2 2026 | 0.0% | $4.7m | 344,359 | -83% | reduced |
| Tudor Investment | Q2 2026 | 0.0% | $151.4k | 11,180 | -70% | reduced |
| Ancora Advisors | Q2 2026 | 0.0% | $21.0k | 1,549 | -59% | reduced |
Exited since the previous quarter
| Manager | Prior weight | Prior value |
|---|---|---|
| Brevan Howard Capital Management | 0.1% | $976.8k |
| Bridgewater Associates | 0.5% | $3.6m |
| Point72 Asset Management LP | 0.0% | $1.4m |
How has hedge fund ownership of OGN changed?
| Quarter | Managers holding | Combined value |
|---|---|---|
| Q2 2026 | 9 | $360.5m |
| Q1 2026 | 11 | $119.1m |
| Q4 2025 | 6 | $38.6m |
| Q3 2025 | 4 | $45.9m |
| Q2 2025 | 6 | $42.7m |
| Q1 2025 | 5 | $47.0m |
| Q4 2024 | 4 | $24.6m |
| Q3 2024 | 6 | $44.6m |
| Q2 2024 | 5 | $43.4m |
| Q1 2024 | 6 | $47.9m |
| Q4 2023 | 5 | $47.8m |
| Q3 2023 | 7 | $13.6m |
| Q2 2023 | 6 | $22.2m |
| Q1 2023 | 7 | $24.7m |
| Q4 2022 | 6 | $22.0m |
| Q3 2022 | 6 | $37.5m |
Counts every tracked manager that disclosed OGN in that quarter's filing, including managers that have since stopped filing.