Celldex Therapeutics, Inc.

CLDXNASDAQ

$31.65-0.53 (-1.65%)as of Oct 2, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

Celldex Therapeutics, Inc. price and activity chart data

Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+22.4%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
Wellington Management Group LLP	12.16%	$355M	0.06%	Add 11.49%
BlackRock, Inc.	8.92%	$261M	0.00%	Not reported
Kynam Capital Management, LP	6.78%	$198M	10.95%	Reduce 8.86%
State Street Corp	4.97%	$145M	0.00%	Not reported
FMR LLC	4.74%	$139M	0.01%	Not reported
Vanguard Capital Management LLC	4.41%	$129M	0.00%	Not reported
Deep Track Capital, LP	3.74%	$109M	1.59%	Add 128.91%
Logos Global Management LP	2.68%	$78.1M	3.36%	Add 366.67%
Geode Capital Management, LLC	2.58%	$75.3M	0.00%	Not reported
Eversept Partners, LP	2.28%	$66.5M	3.45%	Reduce 0.12%
Goldman Sachs Group Inc	2.06%	$60.1M	0.01%	Not reported
Assenagon Asset Management S.A.	2.01%	$58.7M	0.04%	Not reported
Commodore Capital LP	1.72%	$50.2M	2.99%	Reduce 49.94%
Bellevue Group AG	1.53%	$44.7M	0.94%	Not reported
Baker Bros. Advisors LP	1.51%	$44M	0.22%	Add 77.74%
Millennium Management LLC	1.49%	$43.6M	0.02%	Not reported
Dimensional Fund Advisors LP	1.37%	$40M	0.01%	Not reported
American Century Companies Inc	1.33%	$38.8M	0.02%	Not reported
Eventide Asset Management, LLC	1.32%	$38.6M	0.52%	Not reported
Novo Holdings A/S	1.31%	$38.1M	2.21%	Reduce 14.58%
Elmind Capital, LP	1.26%	$36.8M	9.25%	Add 14.45%
Driehaus Capital Management LLC	1.26%	$36.8M	0.21%	New Not reported
Fisher Asset Management, LLC	1.26%	$36.7M	0.01%	Reduce 2.76%
Pictet Asset Management Holding SA	1.17%	$34.1M	0.03%	Reduce 0.68%
Foresite Capital Management VI LLC	1.12%	$32.7M	5.09%	Add 178.47%
Vanguard Portfolio Management LLC	1.10%	$32.1M	0.00%	Not reported
Northern Trust Corp	0.92%	$26.8M	0.00%	Not reported
Woodline Partners LP	0.89%	$26.1M	0.08%	Not reported
Affinity Asset Advisors, LLC	0.89%	$26M	1.18%	Add 40.00%
Rock Springs Capital Management LP	0.89%	$26M	1.27%	Add 7.52%
Two Sigma Investments, LP	0.84%	$24.6M	0.02%	Not reported
Charles Schwab Investment Management Inc	0.84%	$24.4M	0.00%	Not reported
Algert Global LLC	0.83%	$24.1M	0.29%	Not reported
ADAR1 Capital Management, LLC	0.79%	$23.1M	1.06%	Add 44.82%
Bank of America Corp	0.77%	$22.6M	0.00%	Not reported
Panagora Asset Management Inc	0.73%	$21.3M	0.07%	Not reported
Nuveen, LLC	0.72%	$21.2M	0.01%	Not reported
Vanguard Fiduciary Trust Co	0.70%	$20.6M	0.00%	Not reported
5AM Venture Management, LLC	0.63%	$18.5M	6.43%	Not reported
Federated Hermes, Inc.	0.63%	$18.3M	0.03%	Not reported
UBS Group AG	0.61%	$17.9M	0.00%	Not reported
Ikarian Capital, LLC	0.61%	$17.8M	1.92%	Add 3.74%
Braidwell LP	0.56%	$16.2M	0.60%	Reduce 67.80%
Redmile Group, LLC	0.55%	$16.1M	1.08%	Not reported
Citigroup Inc	0.52%	$15.1M	0.01%	Not reported
Palo Alto Investors LP	0.51%	$14.9M	2.06%	Add 34.90%
TSP Capital Management Group, LLC	0.47%	$13.8M	3.30%	New Not reported
PFM Health Sciences, LP	0.44%	$12.8M	1.09%	Add 5.48%
Kennedy Capital Management LLC	0.44%	$12.7M	0.23%	Reduce 2.83%
Segall Bryant & Hamill, LLC	0.43%	$12.5M	0.15%	Reduce 3.06%

50 of 239 holders

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