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Of the 12 tracked institutions holding CLDX, 5 have a 3-year clone track record — 5 of them beat the S&P. Average holder's clone alpha: +6.3pt. It's a gauge of who owns the name, not just how many.
Among the 12 tracked institutional investors we monitor, CLDX (CELLDEX THERAPEUTICS INC NEW) is held with a combined value of $1.03B across 32,968,194 shares. The largest holder is WELLINGTON MANAGEMENT GROUP LLP with a position worth $271.54M (0.05% of their portfolio). AQR CAPITAL MANAGEMENT LLC opened a new position in the most recent quarter. 7 funds increased their holdings. 3 funds reduced their position.
Total Institutional Value
$1.03B
Total Shares Held
32,968,194
Institutional Holders
12
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | WELLINGTON MANAGEMENT GROUP LLP | $271.54M | 0.05% | +6.0% |
| 2 | BlackRock, Inc. | $170.33M | 0.00% | -1.5% |
| 3 | FMR LLC | $118.92M | 0.01% | -23.6% |
| 4 | VANGUARD GROUP INC | $109.38M | 0.00% | +1.8% |
| 5 | Point72 Asset Management, L.P. | $102.45M | 0.18% | +83.7% |
| 6 | STATE STREET CORP | $88.95M | 0.00% | -17.5% |
| 7 | PRICE T ROWE ASSOCIATES INC /MD/ | $66.18M | 0.01% | +2.3% |
| 8 | MILLENNIUM MANAGEMENT LLC | $39.76M | 0.02% | +3.4% |
| 9 | Fisher Asset Management, LLC | $32.15M | 0.01% | +8.2% |
| 10 | BAKER BROS. ADVISORS LP | $21.11M | 0.12% | - |
As of the latest SEC 13F filings, WELLINGTON MANAGEMENT GROUP LLP is the largest institutional holder of CLDX with a position worth $271.54M, representing 0.05% of their portfolio. In total, 12 institutional investors hold CLDX with a combined value of $1.03B.
In the most recent quarter, 1 fund opened a new position in CLDX. Additionally, 7 increased their holdings and 3 reduced their positions.
Institutional investors hold $1.03B worth of CLDX stock across 12 positions. The largest institutional holder is WELLINGTON MANAGEMENT GROUP LLP with $271.54M 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 CLDX, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their CLDX 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
$35.28
2026-07-24
YTD
+30.6%
77% of 52-week range
