Rock Springs Capital Management LP Celldex Therapeutics, Inc. Transaction History

Rock Springs Capital Management LP

$1.47 Billion
Q2 2025

A detailed history of Rock Springs Capital Management LP transactions in Celldex Therapeutics, Inc. stock. As of the latest transaction made, Rock Springs Capital Management LP holds 812,653 shares of CLDX stock, worth $19.3 Million. This represents 1.12% of its overall portfolio holdings.

Number of Shares

812,653

Previous 812,653 -0.0%

Holding current value

$19.3 Million

Previous $14.7 Million 12.12%

% of portfolio

1.12%

Previous 0.88%

12 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q1 2025 May 15, 2025	SELL	$18.15 - $27.6 $7.43 Million - $11.3 Million	-409,529 Reduced 33.51%	812,653 $14.7 Million
Q4 2024 Feb 14, 2025	BUY	$23.31 - $32.4 $2.76 Million - $3.84 Million	118,404 Added 10.73%	1,222,182 $30.9 Million
Q3 2024 Nov 14, 2024	SELL	$32.06 - $44.56 $9.46 Million - $13.2 Million	-295,216 Reduced 21.1%	1,103,778 $37.5 Million
Q2 2024 Aug 14, 2024	BUY	$32.76 - $42.56 $878,262 - $1.14 Million	26,809 Added 1.95%	1,398,994 $51.8 Million
Q1 2024 May 15, 2024	BUY	$35.22 - $51.88 $14.2 Million - $20.9 Million	402,539 Added 41.51%	1,372,185 $57.6 Million
Q4 2023 Feb 14, 2024	BUY	$22.61 - $40.65 $10.6 Million - $19.1 Million	469,545 Added 93.89%	969,646 $38.5 Million
Q3 2023 Nov 14, 2023	BUY	$25.45 - $37.46 $2 Million - $2.94 Million	78,486 Added 18.62%	500,101 $13.8 Million
Q2 2023 Aug 14, 2023	BUY	$30.29 - $38.28 $3,362 - $4,249	111 Added 0.03%	421,615 $14.3 Million
Q4 2022 Feb 14, 2023	SELL	$27.78 - $45.38 $2,778 - $4,538	-100 Reduced 0.02%	421,504 $18.8 Million
Q3 2022 Nov 14, 2022	BUY	$22.7 - $37.57 $1.96 Million - $3.24 Million	86,127 Added 25.67%	421,604 $11.9 Million
Q2 2022 Aug 15, 2022	BUY	$20.5 - $37.33 $4.88 Million - $8.89 Million	238,160 Added 244.73%	335,477 $9.04 Million
Q1 2022 May 16, 2022	BUY	$27.64 - $39.32 $2.69 Million - $3.83 Million	97,317 New	97,317 $3.32 Million

Others Institutions Holding CLDX

# of Institutions

198

Shares Held

68.2M

Call Options Held

219K

Put Options Held

238K

View Full List

About Celldex Therapeutics, Inc.

Ticker CLDX
Exchange NASDAQ
Sector Healthcare
Industry Biotechnology
Shares Outstandng 46,772,400
Market Cap $1.11B
Description
Celldex Therapeutics, Inc., a biopharmaceutical company, engages in developing therapeutic monoclonal and bispecific antibodies for the treatment of various diseases. Its drug candidates include antibody-based therapeutics to treat patients with inflammatory diseases and various forms of cancer. The company's clinical development programs CDX-01...

More about CLDX

Track This Portfolio

Portfolio Update

Get notified when there are updates to the investment portfolio of Rock Springs Capital Management LP, based on Form 13F filings with the SEC.

News

Stay updated on Rock Springs Capital Management LP with notifications on news.

Account

Rock Springs Capital Management LP Celldex Therapeutics, Inc. Transaction History