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Celldex Therapeutics, Inc.

CLDX
Exchange
Nasdaq
Industry
In Vitro & In Vivo Diagnostic Substances
SEC CIK
0000744218

No open-market purchases or sales by Celldex Therapeutics, Inc. insiders were filed in the last 90 days; 253 institutions reported holding it in 13F filings for Q2 2026, worth $3.16B in total; no superinvestor holds it.

Superinvestors holding CLDX, Q2 2026

See all superinvestors

No superinvestor reported holding CLDX in Q2 2026.

Moves by quarter

Superinvestors that opened, added to, trimmed or sold out of CLDX each quarter, comparing shares with the quarter before. A superinvestor that didn't file for a quarter isn't listed, and isn't counted as selling.

  1. Q3 2022

    0 superinvestors holding at quarter end

    Sold out
    Viking Global Investors
  2. Q2 2022

    1 superinvestor holding at quarter end

    Added
    Viking Global Investors (+26.6%)
  3. Q1 2022

    1 superinvestor holding at quarter end

    Added
    Viking Global Investors (+143.7%)
  4. Q4 2021

    1 superinvestor holding at quarter end

    Reduced
    Viking Global Investors (−0.6%)
  5. Q3 2021

    1 superinvestor holding at quarter end

    New
    Viking Global Investors