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Of the 4 tracked institutions holding ACIU, 3 have a 3-year clone track record — 3 of them beat the S&P. Average holder's clone alpha: +5.7pt. 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 4 tracked institutional investors we monitor, ACIU (AC IMMUNE SA) is held with a combined value of $5.57M across 2,340,601 shares. The largest holder is RENAISSANCE TECHNOLOGIES LLC with a position worth $2.00M. 1 fund increased its holdings. 3 funds reduced their position.
Total Institutional Value
$5.57M
Total Shares Held
2,340,601
Institutional Holders
4
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | RENAISSANCE TECHNOLOGIES LLC | $2.00M | 0.00% | +34.6% |
| 2 | MILLENNIUM MANAGEMENT LLC | $1.84M | 0.00% | -2.4% |
| 3 | BlackRock, Inc. | $1.24M | 0.00% | -1.0% |
| 4 | CITADEL ADVISORS LLC | $494.10K | 0.00% | -22.3% |
As of the latest SEC 13F filings, RENAISSANCE TECHNOLOGIES LLC is the largest institutional holder of ACIU with a position worth $2.00M, representing 0.00% of their portfolio. In total, 4 institutional investors hold ACIU with a combined value of $5.57M.
Institutional investors hold $5.57M worth of ACIU stock across 4 positions. The largest institutional holder is RENAISSANCE TECHNOLOGIES LLC with $2.00M 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 ACIU, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their ACIU positions.
Last Close
$2.47
2026-10-21
YTD
-26.5%
20% of 52-week range
