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Of the 9 tracked institutions holding CTMX, 3 have a 3-year clone track record — 3 of them beat the S&P. Average holder's clone alpha: +7.5pt. 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, CTMX (CYTOMX THERAPEUTICS INC.) is held with a combined value of $357.34M across 76,823,493 shares. The largest holder is FMR LLC with a position worth $150.19M. WELLINGTON MANAGEMENT GROUP LLP opened a new position in the most recent quarter. 7 funds increased their holdings. 1 fund reduced its position.
Total Institutional Value
$357.34M
Total Shares Held
76,823,493
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 | $150.19M | 0.01% | +29.4% |
| 2 | Point72 Asset Management, L.P. | $37.01M | 0.06% | +51.8% |
| 3 | VANGUARD GROUP INC | $36.11M | 0.00% | -5.3% |
| 4 | STATE STREET CORP | $26.62M | 0.00% | +10.2% |
| 5 | CITADEL ADVISORS LLC | $25.41M | 0.02% | +1479.3% |
| 6 | BlackRock, Inc. | $24.57M | 0.00% | +42.5% |
| 7 | BAKER BROS. ADVISORS LP | $23.39M | 0.13% | +17.1% |
| 8 | MILLENNIUM MANAGEMENT LLC | $17.20M | 0.01% | +1163.7% |
| 9 | WELLINGTON MANAGEMENT GROUP LLP | $16.84M | 0.00% | New |
As of the latest SEC 13F filings, FMR LLC is the largest institutional holder of CTMX with a position worth $150.19M, representing 0.01% of their portfolio. In total, 9 institutional investors hold CTMX with a combined value of $357.34M.
In the most recent quarter, 1 fund opened a new position in CTMX. Additionally, 7 increased their holdings and 1 reduced their positions.
Institutional investors hold $357.34M worth of CTMX stock across 9 positions. The largest institutional holder is FMR LLC with $150.19M 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 CTMX, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their CTMX positions.
Last Close
$3.38
2026-07-27
YTD
-20.4%
33% of 52-week range
