Which hedge funds own SEPN? SEPTERNA INC, Q2 2026 13F holders
9 of the hedge funds tracked by WhaleCreep disclosed a position in SEPN (SEPTERNA INC) in their Q2 2026 13F filings, worth $265.8m in total. The largest holder by portfolio weight is RA Capital Management at 2.0% of its book. 5 managers opened a new position this quarter: Woodline Partners, Brevan Howard Capital Management, Tudor Investment, D. E. Shaw & Co. 1 exited: Marshall Wace.
9tracked managers holding
5opened this quarter
1exited this quarter
Which hedge funds hold SEPN? Current holders by portfolio weight
| Manager | As of | Weight of book | Value | Shares | Δ shares | Action |
|---|---|---|---|---|---|---|
| RA Capital Management | Q2 2026 | 2.0% | $234.3m | 6,995,858 | 0% | held |
| Casdin Capital | Q2 2026 | 0.9% | $18.5m | 553,268 | 0% | held |
| Woodline Partners | Q2 2026 | 0.0% | $6.2m | 185,535 | – | new |
| Brevan Howard Capital Management | Q2 2026 | 0.0% | $986.3k | 29,452 | – | new |
| Tudor Investment | Q2 2026 | 0.0% | $970.1k | 28,966 | – | new |
| Renaissance Technologies LLC | Q2 2026 | 0.0% | $1.4m | 41,419 | 10% | added |
| Millennium Management | Q2 2026 | 0.0% | $1.7m | 50,562 | -59% | reduced |
| D. E. Shaw & Co | Q2 2026 | 0.0% | $1.6m | 46,483 | – | new |
| Citadel Advisors | Q2 2026 | 0.0% | $212.7k | 6,350 | – | new |
Exited since the previous quarter
| Manager | Prior weight | Prior value |
|---|---|---|
| Marshall Wace | 0.0% | $957.4k |
How has hedge fund ownership of SEPN changed?
| Quarter | Managers holding | Combined value |
|---|---|---|
| Q2 2026 | 9 | $265.8m |
| Q1 2026 | 5 | $186.3m |
| Q4 2025 | 4 | $221.7m |
| Q3 2025 | 3 | $147.3m |
| Q2 2025 | 4 | $83.0m |
| Q1 2025 | 3 | $47.1m |
| Q4 2024 | 4 | $180.0m |
Counts every tracked manager that disclosed SEPN in that quarter's filing, including managers that have since stopped filing.