Celldex Therapeutics, Inc. (CLDX) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

0Shares Outstanding

4,875,533Shares held by institutions

$143,633,202Value of institutional holdings

108.70%Institutional ownership %

-5.09%Shares Changed QoQ

178No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Celldex Therapeutics, Inc. (NASDAQ:CLDX) has 184 institutional investors with active 13F positions as of December 2025.

Collectively, these holders controlled 108.8% of Celldex Therapeutics's outstanding shares in December 2025, up from 107.3% in September 2025.
Their total shares held in CLDX increased 5.92% from the prior quarter, while the number of investors in Celldex Therapeutics increased 5.75% year over year.
Among the 184 funds, 81 bought more Celldex Therapeutics shares, 60 sold down, and 43 held their ground.
Altogether, these fund groups held 72.23Mn shares in CLDX by December 2025, up by 4.04Mn shares quarter on quarter, and down 5.67Mn shares year over year.
As of December 31, 2025, WELLINGTON MANAGEMENT GROUP LLP held the largest stake in Celldex Therapeutics with 8.08Mn shares, accounting for 12.16% of total shares outstanding.
The largest buyers of Celldex Therapeutics for the quarter ending December 2025 were WELLINGTON MANAGEMENT GROUP LLP (2.28Mn), BRAIDWELL LP (1.27Mn), ADAR1 Capital Management, LLC (1.18Mn), Elmind Capital, LP (865.0K), State Street Corp (555.58K).
The largest sellers of Celldex Therapeutics for the quarter ending December 2025 were Point72 Asset Management, L.P. (2.14Mn), Commodore Capital LP (463.34K), Polar Capital Holdings Plc (292.27K), CITADEL ADVISORS LLC (264.23K), Bank Of America Corp /De/ (262.73K).
Per Business Quant, the top 10 investors in CLDX for the quarter ending December 2025 include WELLINGTON MANAGEMENT GROUP LLP (8.08Mn), Kynam Capital Management, LP (5.94Mn), BlackRock, Inc. (5.45Mn), FMR LLC (4.91Mn), VANGUARD GROUP INC (4.03Mn), Bellevue Group AG (3.62Mn), State Street Corp (3.4Mn), Commodore Capital LP (2.56Mn), Deep Track Capital, LP (1.9Mn), BRAIDWELL LP (1.86Mn).

184 Institutional Holders

4,875,533 Total Shares Held

Rows:

Download Data

Owner Name	Date	Change (QoQ)	Change (%)	Value (USD)
BlackRock, Inc.	31 Dec, 2025	-54,173	-0.98%	$0.00
WELLINGTON MANAGEMENT GROUP LLP	31 Dec, 2025	2,279,605	39.30%	$0.00
Kynam Capital Management, LP	31 Dec, 2025	-157,549	-2.58%	$0.00
Barclays Plc	31 Dec, 2025	-134,612	-35.88%	$0.00
FMR LLC	31 Dec, 2025	-54,619	-1.10%	$0.00
Bellevue Group AG	31 Dec, 2025	60,000	1.69%	$0.00
Rockefeller Capital Management L.P.	31 Dec, 2025	441	2,321.05%	$0.00
VANGUARD GROUP INC	31 Dec, 2025	72,817	1.84%	$0.00
Commodore Capital LP	31 Dec, 2025	-463,335	-15.30%	$0.00
State Street Corp	31 Dec, 2025	555,579	19.55%	$0.00
Deep Track Capital, LP	31 Dec, 2025	-99,262	-4.96%	$0.00
EVENTIDE ASSET MANAGEMENT, LLC	31 Dec, 2025	-216,536	-11.65%	$0.00
BRAIDWELL LP	31 Dec, 2025	1,266,420	214.03%	$0.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	-19,607	-1.19%	$0.00
Point72 Asset Management, L.P.	31 Dec, 2025	-2,135,585	-54.84%	$0.00
MILLENNIUM MANAGEMENT LLC	31 Dec, 2025	237,510	24.36%	$0.00
Eversept Partners, LP	31 Dec, 2025	280,805	24.33%	$0.00
Novo Holdings A/S	31 Dec, 2025	0	0.00%	$0.00
ADAR1 Capital Management, LLC	31 Dec, 2025	1,184,092	1,081.94%	$0.00
Goldman Sachs Group Inc	31 Dec, 2025	38,671	3.76%	$0.00

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