Celldex Therapeutics, Inc. (CLDX) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

66,420,000Shares Outstanding

73,302,267Shares held by institutions

$2,412,377,607Value of institutional holdings

110.36%Institutional ownership %

6.90%Shares Changed QoQ

184No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Celldex Therapeutics, Inc. (NASDAQ:CLDX) has 184 institutional investors that have filed 13F reports for the period ending 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% quarter over quarter, and separately, investors owning Celldex Therapeutics increased 5.75% from a year ago.
Activity in CLDX broke down as 81 buyers, 60 sellers, and 43 unchanged among 184 total holders.
Combined, these investors held 72.23Mn shares in CLDX for December 2025, up by 4.04Mn shares quarter on quarter, and down 5.67Mn shares year over year.
Pictet Asset Management Holding SA holds the largest position in CLDX at 923.7K shares as of December 31, 2025, or 1.39% of shares outstanding.
The largest buyers of Celldex Therapeutics for the quarter ending December 2025 were Assenagon Asset Management S.A. (146.52K), E Fund Management Co., Ltd. (8.18K), Mirador Capital Partners LP (7.39K), Diversified Trust Co (7.02K), Farther Finance Advisors, LLC (133).
The biggest sellers of Celldex Therapeutics for the quarter ending December 2025 included Pictet Asset Management Holding SA (44.92K), SG Americas Securities, LLC (9.33K), PSP Research LLC (7.37K), Sterling Capital Management LLC (1.64K).
According to Business Quant data, leading holders of CLDX for December 2025 are Pictet Asset Management Holding SA (923.7K), TSP Capital Management Group, LLC (375.13K), Mirador Capital Partners LP (178.05K), Assenagon Asset Management S.A. (146.52K), SG Americas Securities, LLC (38.01K), Apella Capital, LLC (17.02K), PSP Research LLC (13.0K), Overbrook Management Corp (11.54K), E Fund Management Co., Ltd. (8.18K), Diversified Trust Co (7.02K).

184 Institutional Holders

73,302,267 Total Shares Held

Rows:

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Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
WELLINGTON MANAGEMENT GROUP LLP	31 Dec, 2025	8,079,608	2,279,605	39.30%	$219,442,154.00
Kynam Capital Management, LP	31 Dec, 2025	5,943,180	-157,549	-2.58%	$161,416,769.00
BlackRock, Inc.	31 Dec, 2025	5,451,815	-54,173	-0.98%	$148,071,294.00
FMR LLC	31 Dec, 2025	4,907,469	-54,619	-1.10%	$133,286,863.00
VANGUARD GROUP INC	31 Dec, 2025	4,027,407	72,817	1.84%	$109,384,374.00
Bellevue Group AG	31 Dec, 2025	3,617,669	60,000	1.69%	$98,255,890.00
State Street Corp	31 Dec, 2025	3,397,713	555,579	19.55%	$92,281,885.00
Commodore Capital LP	31 Dec, 2025	2,565,000	-463,335	-15.30%	$69,665,400.00
Goldman Sachs Group Inc	31 Dec, 2025	2,136,262	1,106,802	107.51%	$58,020,876.00
Deep Track Capital, LP	31 Dec, 2025	1,900,738	-99,262	-4.96%	$51,624,044.00
BRAIDWELL LP	31 Dec, 2025	1,858,109	1,266,420	214.03%	$50,466,240.00
Point72 Asset Management, L.P.	31 Dec, 2025	1,758,357	-2,135,585	-54.84%	$47,756,976.00
EVENTIDE ASSET MANAGEMENT, LLC	31 Dec, 2025	1,642,559	-216,536	-11.65%	$44,607,415.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	1,627,529	-19,607	-1.19%	$44,211,330.00
Eversept Partners, LP	31 Dec, 2025	1,434,725	280,805	24.33%	$38,967,131.00
ADAR1 Capital Management, LLC	31 Dec, 2025	1,293,534	1,184,092	1,081.94%	$35,132,384.00
MILLENNIUM MANAGEMENT LLC	31 Dec, 2025	1,212,705	237,510	24.36%	$32,937,068.00
Novo Holdings A/S	31 Dec, 2025	1,200,000	0	0.00%	$32,592,000.00
Vestal Point Capital, LP	31 Dec, 2025	1,165,000	-40,000	-3.32%	$31,641,400.00
Polar Capital Holdings Plc	31 Dec, 2025	1,008,163	-292,273	-22.48%	$27,381,707.00

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