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Of the 12 tracked institutions holding ANRO, 6 have a 3-year clone track record — 6 of them beat the S&P. Average holder's clone alpha: +4.9pt. It's a gauge of who owns the name, not just how many.
Among the 12 tracked institutional investors we monitor, ANRO (ALTO NEUROSCIENCE INC) is held with a combined value of $207.65M across 8,365,087 shares. The largest holder is BlackRock, Inc. with a position worth $55.97M. 7 funds increased their holdings. 5 funds reduced their position.
Total Institutional Value
$207.65M
Total Shares Held
8,365,087
Institutional Holders
12
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | BlackRock, Inc. | $55.97M | 0.00% | +218.4% |
| 2 | ADAGE CAPITAL PARTNERS GP, L.L.C. | $42.22M | 0.06% | +315.6% |
| 3 | VANGUARD GROUP INC | $24.31M | 0.00% | +23.6% |
| 4 | ARMISTICE CAPITAL, LLC | $22.80M | 0.63% | -5.3% |
| 5 | STATE STREET CORP | $18.10M | 0.00% | +243.8% |
| 6 | MILLENNIUM MANAGEMENT LLC | $14.73M | 0.01% | -32.1% |
| 7 | Point72 Asset Management, L.P. | $13.27M | 0.02% | -0.0% |
| 8 | PRICE T ROWE ASSOCIATES INC /MD/ | $9.46M | 0.00% | -3.5% |
| 9 | TWO SIGMA ADVISERS, LP | $2.85M | 0.01% | +6.8% |
| 10 | RENAISSANCE TECHNOLOGIES LLC | $1.88M | 0.00% | -31.0% |
As of the latest SEC 13F filings, BlackRock, Inc. is the largest institutional holder of ANRO with a position worth $55.97M, representing 0.00% of their portfolio. In total, 12 institutional investors hold ANRO with a combined value of $207.65M.
Institutional investors hold $207.65M worth of ANRO stock across 12 positions. The largest institutional holder is BlackRock, Inc. with $55.97M 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 ANRO, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their ANRO 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 |
| 2.2% | 2026-08-14 |
| 6.0% | 2026-07-27 |
| 5.8% | 2026-07-20 |
SEC Schedule 13D (activist) and 13G (passive) filings for ANRO. Filed when an investor acquires 5%+ ownership.
Last Close
$23.32
2026-10-21
YTD
+40.6%
57% of 52-week range