Atrium Therapeutics, Inc. - RNA
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Fractal Investments LLC | History | New | 20,000 | 267 | 0.03% | — | 1 | +20,000 | New | Q1 2026 | Apr 13, 2026 |
| GAMMA Investing LLC | History | New | 335 | 4 | 0.0% | — | 2 | +335 | New | Q1 2026 | Apr 06, 2026 |
| FNY Investment Advisers, LLC | History | New | 152 | 1 | 0.0% | — | 3 | +152 | New | Q1 2026 | Apr 15, 2026 |
| MassMutual Private Wealth & Trust, FSB | History | New | 2 | 0 | — | — | — | +2 | New | Q1 2026 | Apr 13, 2026 |
| True Wealth Design, LLC | History | New | 1 | 0 | — | — | — | +1 | New | Q1 2026 | Apr 13, 2026 |