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Of the 9 tracked institutions holding RNA, 5 have a 3-year clone track record — 5 of them beat the S&P. Average holder's clone alpha: +5.1pt. It's a gauge of who owns the name, not just how many.
Among the 9 tracked institutional investors we monitor, RNA (ATRIUM THERAPEUTICS INC) is held with a combined value of $50.86M across 3,781,158 shares. The largest holder is PRICE T ROWE ASSOCIATES INC /MD/ with a position worth $19.81M. 2 funds opened new positions in the most recent quarter. 4 funds increased their holdings. 3 funds reduced their position.
Total Institutional Value
$50.86M
Total Shares Held
3,781,158
Institutional Holders
9
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | PRICE T ROWE ASSOCIATES INC /MD/ | $19.81M | 0.00% | -5.2% |
| 2 | BlackRock, Inc. | $19.47M | 0.00% | +20.1% |
| 3 | STATE STREET CORP | $3.66M | 0.00% | +5.7% |
| 4 | MILLENNIUM MANAGEMENT LLC | $2.70M | 0.00% | +5.1% |
| 5 | AQR CAPITAL MANAGEMENT LLC | $2.32M | 0.00% | New |
| 6 | ADAGE CAPITAL PARTNERS GP, L.L.C. | $1.34M | 0.00% | -45.5% |
| 7 | CITADEL ADVISORS LLC | $909.75K | 0.00% | -38.5% |
| 8 | FMR LLC | $451.00K | 0.00% | +14.5% |
| 9 | RENAISSANCE TECHNOLOGIES LLC | $201.36K | 0.00% | New |
As of the latest SEC 13F filings, PRICE T ROWE ASSOCIATES INC /MD/ is the largest institutional holder of RNA with a position worth $19.81M, representing 0.00% of their portfolio. In total, 9 institutional investors hold RNA with a combined value of $50.86M.
In the most recent quarter, 2 funds opened a new position in RNA. Additionally, 4 increased their holdings and 3 reduced their positions.
Institutional investors hold $50.86M worth of RNA stock across 9 positions. The largest institutional holder is PRICE T ROWE ASSOCIATES INC /MD/ with $19.81M in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For RNA, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their RNA positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
| 2026-08-14 |
| 8.6% | 2026-08-14 |
| 6.6% | 2026-07-27 |
SEC Schedule 13D (activist) and 13G (passive) filings for RNA. Filed when an investor acquires 5%+ ownership.
Last Close
$12.84
2026-08-18
YTD
-12.9%
31% of 52-week range
