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Of the 9 tracked institutions holding ALXO, 3 have a 3-year clone track record — 3 of them beat the S&P. Average holder's clone alpha: +4.8pt. It's a gauge of who owns the name, not just how many.
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 →
Among the 9 tracked institutional investors we monitor, ALXO (ALX ONCOLOGY HOLDINGS INC) is held with a combined value of $52.66M across 26,502,036 shares. The largest holder is RA CAPITAL MANAGEMENT, L.P. with a position worth $26.93M (0.23% of their portfolio). PRICE T ROWE ASSOCIATES INC /MD/ opened a new position in the most recent quarter. 4 funds increased their holdings. 3 funds reduced their position.
Total Institutional Value
$52.66M
Total Shares Held
26,502,036
Institutional Holders
9
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | RA CAPITAL MANAGEMENT, L.P. | $26.93M | 0.23% | - |
| 2 | BlackRock, Inc. | $15.32M | 0.00% | +1552.4% |
| 3 | MILLENNIUM MANAGEMENT LLC | $3.20M | 0.00% | -22.4% |
| 4 | STATE STREET CORP | $3.10M | 0.00% | +752.5% |
| 5 | VANGUARD GROUP INC | $1.84M | 0.00% | +6.7% |
| 6 | RENAISSANCE TECHNOLOGIES LLC | $1.25M | 0.00% | -17.6% |
| 7 | TWO SIGMA ADVISERS, LP | $802.75K | 0.00% | -1.3% |
| 8 | PRICE T ROWE ASSOCIATES INC /MD/ | $186.00K | 0.00% | New |
| 9 | FMR LLC | $27.41K | 0.00% | +2.0% |
As of the latest SEC 13F filings, RA CAPITAL MANAGEMENT, L.P. is the largest institutional holder of ALXO with a position worth $26.93M, representing 0.23% of their portfolio. In total, 9 institutional investors hold ALXO with a combined value of $52.66M.
In the most recent quarter, 1 fund opened a new position in ALXO. Additionally, 4 increased their holdings and 3 reduced their positions.
Institutional investors hold $52.66M worth of ALXO stock across 9 positions. The largest institutional holder is RA CAPITAL MANAGEMENT, L.P. with $26.93M 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 ALXO, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their ALXO positions.
| 2026-07-27 |
SEC Schedule 13D (activist) and 13G (passive) filings for ALXO. Filed when an investor acquires 5%+ ownership.
Last Close
$1.22
2026-10-02
YTD
+6.1%
9% of 52-week range