$12.83
-0.16 (-1.23%)
Market Cap
$200.1M
Shares Outstanding
15,514,966
Institutional Holders
221
Total Inst. Value
$3.0B
% of Float Held
91.5%
QoQ Holder Change
+97
Institutional data as of Q1 2025
New Positions
40
Closed Positions
48
Increased
91
Decreased
63
Institutional Ownership Trend
Top 10 Institutional Holders(Q1 2025)
| # | Fund | Value | Shares |
|---|---|---|---|
| 1 | FMR LLC | $461.0M | 15,615,064 |
| 2 | PRICE T ROWE ASSOCIATES INC /MD/ | $334.7M | 11,338,098 |
| 3 | BlackRock, Inc. | $292.8M | 9,917,471 |
| 4 | WELLINGTON MANAGEMENT GROUP LLP | $285.9M | 9,684,556 |
| 5 | VANGUARD GROUP INC | $272.9M | 9,243,205 |
| 6 | Avoro Capital Advisors LLC | $225.1M | 7,625,000 |
| 7 | STATE STREET CORP | $127.6M | 4,321,360 |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | $81.4M | 2,755,246 |
| 9 | ADAGE CAPITAL PARTNERS GP, L.L.C. | $63.3M | 2,145,881 |
| 10 | Casdin Capital, LLC | $60.4M | 2,045,000 |
Biggest Buyers & Sellers This Quarter
Top Buyers
| Fund | Shares Added | Value |
|---|---|---|
| PRICE T ROWE ASSOCIATES INC /MD/ | +295K | $334.7M |
| WELLINGTON MANAGEMENT GROUP LLP | +1.6M | $285.9M |
| Avoro Capital Advisors LLC | +125K | $225.1M |
| ORBIMED ADVISORS LLC | +700K | $53.5M |
| Polar Capital Holdings Plc | +517K | $52.8M |
Top Sellers
| Fund | Shares Removed | Value |
|---|---|---|
| FMR LLC | -895K | $461.0M |
| Boxer Capital Management, LLC | -862K | $25.5M |
| MORGAN STANLEY | -688K | $15.5M |
| Cormorant Asset Management, LP | -650K | $11.8M |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | -606K | $63.3M |
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Frequently Asked Questions
How many institutional investors hold RNA?
As of Q1 2025, 221 institutional investors report holding RNA (Atrium Therapeutics, Inc.) in their 13F filings.
What percentage of Atrium Therapeutics, Inc. is owned by institutions?
Institutional investors hold approximately 91.5% of Atrium Therapeutics, Inc.'s float as reported in SEC 13F filings.
Which hedge fund owns the most RNA?
The largest institutional holder of RNA is FMR LLC with $461.0M in shares.
Are institutions buying or selling RNA?
This quarter, 40 institutions opened new positions in RNA and 48 closed their positions.
What is 13F institutional ownership?
SEC Form 13F is a quarterly report filed by institutional investment managers with over $100M in qualifying assets. It discloses their US equity holdings, providing transparency into what the largest investors are buying and selling.
How often is institutional ownership data updated?
13F filings are due 45 days after each calendar quarter end (May 15, Aug 14, Nov 14, Feb 14). Data is updated on HedgeTrace as new filings are processed.