Ticker · held by 3 filers

CLDX

CELLDEX THERAPEUTICS INC NEW

All tracked filers currently holding CLDX, ranked by position size. Each row links through to the filer's full portfolio.

Total value held

$179.2M

Total shares

4,895,350

Filers holding

3 · 5 positions

Caveat

long only · 13F-eligible managers only

Filers holding CLDX

sorted by position size · click any filer to see their full portfolio

# Filer Class Shares Value (USD) % of port

1 BlackRock · Larry Fink COM NEW 4,690,761 $173.6M 0.00%

2 Renaissance Technologies · Jim Simons (founder) COM NEW 118,488 $3.2M 0.00%

3 Citadel Advisors · Ken Griffin COM NEW 55,101 $1.5M 0.00%

4 Citadel Advisors · Ken Griffin PUTCOM NEW 18,000 $488.9K 0.00%

5 Citadel Advisors · Ken Griffin CALLCOM NEW 13,000 $353.1K 0.00%

What this is

This page reverses the usual 13F view: instead of "what does Buffett hold," it answers "who holds NVDA?" Across the dozen tracked filers, all current 13F-disclosed holders of CLDX are listed, with the position size and what fraction of each filer's overall portfolio it represents.

Caveats: only the filers tracked here are included (~12 names) — not the whole 13F universe (~6,000 filers). Position values are at the most recent quarter-end, not current market price. Only long positions are visible; shorts and synthetics aren't.

v0.2 · 2026 · data via SEC EDGAR · CUSIP→ticker via OpenFIGI