RNA Atrium Therapeutics Inc.
Health Care, filed as ATRIUM THERAPEUTICS INC (COM), Equity As of 2026 Q2 among managers we track Quote on Google Finance, opens in a new tab
Bought by 1 manager in 2026 Q2, sold by 1
- 1 Owner
- Max 0.3%
- $1.7M
- 1 new 1 exit
In 2026 Q2 Nathan Fischel opened a position in Atrium Therapeutics, while Farallon Capital Management sold out.
Who owns this now
Largest portfolio weights among holders, up to 0.3% (Nathan Fischel, Dafna Capital Management). Not free-float ownership.
Who owns RNA
Sorted by value, long equity only, as of 2026 Q2. Exits show their last held size.
| History | |||||
|---|---|---|---|---|---|
| Nathan Fischel, Dafna Capital Management | New 0.33% | 128,000 | $1.7M | History | |
| Farallon Capital Management exited 2026 Q2 Last 2026 Q1 | Exit −0.03% | 349,360 | $4.7M | History |
Insider trades
Open-market buys and sales by RNA's executives, directors and 10% owners in the last 12 months, from their Form 4s
- None no insider bought on the open market
- None no sales outside a trading plan
- None no planned (10b5-1) sales
No open-market buys or sales on file.
Also filed in the last 12 months, not counted as buying or selling: 8 share withholdings for taxes and 6 stock grants.
SEC filings
Recent issuer filings from EDGAR, 17 shown.
| Filed | Form | Detail | Links |
|---|---|---|---|
| 8-K | 8.01,9.01 | Filing Doc | |
| 8-K/A | 8.01 | Filing Doc | |
| 8-K | 1.01,3.02,8.01,9.01 | Filing Doc | |
| SCHEDULE 13G/A | — | Filing Doc | |
| SCHEDULE 13G | — | Filing Doc | |
| SCHEDULE 13G/A | — | Filing Doc | |
| 8-K | 2.02,9.01 | Filing Doc | |
| 10-Q | Filing Doc | ||
| SCHEDULE 13G/A | — | Filing Doc | |
| 8-K | 8.01,9.01 | Filing Doc | |
| SCHEDULE 13G | — | Filing Doc | |
| 8-K | 2.02,9.01 | Filing Doc | |
| 10-Q | Filing Doc | ||
| SCHEDULE 13G | — | Filing Doc | |
| SCHEDULE 13G | — | Filing Doc | |
| 8-K | 1.01,5.01,5.02,9.01 | Filing Doc | |
| 8-K | 7.01,9.01 | Filing Doc |
No filings match this filter.
Financials
US-GAAP annual figures, as tagged in Form 10-K
Newly public, no 10-K financials yet. See the 10-Q.
Ownership over time
13Fs that reported it each quarter. Click a bar for that quarter’s holders.