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Of the 9 tracked institutions holding ATYR, 4 have a 3-year clone track record — 4 of them beat the S&P. Average holder's clone alpha: +5.9pt. It's a gauge of who owns the name, not just how many.
Among the 9 tracked institutional investors we monitor, ATYR (ATYR PHARMA INC) is held with a combined value of $23.52M across 30,138,301 shares. The largest holder is FMR LLC with a position worth $11.47M. 3 funds opened new positions in the most recent quarter. 2 funds increased their holdings. 3 funds reduced their position.
Total Institutional Value
$23.52M
Total Shares Held
30,138,301
Institutional Holders
9
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | FMR LLC | $11.47M | 0.00% | +0.1% |
| 2 | BlackRock, Inc. | $5.03M | 0.00% | -1.6% |
| 3 | VANGUARD GROUP INC | $3.89M | 0.00% | -11.9% |
| 4 | STATE STREET CORP | $1.37M | 0.00% | +1.7% |
| 5 | MILLENNIUM MANAGEMENT LLC | $1.28M | 0.00% | New |
| 6 | AQR CAPITAL MANAGEMENT LLC | $386.89K | 0.00% | -35.6% |
| 7 | CITADEL ADVISORS LLC | $36.95K | 0.00% | New |
| 8 | PRICE T ROWE ASSOCIATES INC /MD/ | $36.00K | 0.00% | - |
| 9 | RENAISSANCE TECHNOLOGIES LLC | $31.61K | 0.00% | New |
As of the latest SEC 13F filings, FMR LLC is the largest institutional holder of ATYR with a position worth $11.47M, representing 0.00% of their portfolio. In total, 9 institutional investors hold ATYR with a combined value of $23.52M.
In the most recent quarter, 3 funds opened a new position in ATYR. Additionally, 2 increased their holdings and 3 reduced their positions.
Institutional investors hold $23.52M worth of ATYR stock across 9 positions. The largest institutional holder is FMR LLC with $11.47M 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 ATYR, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their ATYR 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 →
Last Close
$0.47
2026-07-24
YTD
-37.6%
1% of 52-week range
