Celldex Therapeutics, Inc.

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CLDX·15117B202·US·Common Stock·Healthcare - Biotechnology-13D/G

CLDX (Celldex Therapeutics, Inc.) is held by 126 institutional investors as of Q2 2026. Largest holders: WELLINGTON MANAGEMENT GROUP LLP ($355.1M), BlackRock, Inc. ($260.6M), STATE STREET CORP ($145.1M). Net institutional sentiment: Bullish.

126

Holders

(11 Elite)

$1.9B

Total Value

72% (123)

Consensus

88 buying - 35 selling

13F: Jun 30, 2026Insider & Congress: Updated regularly

Smart Money Verdict

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Institutional (13F)44

Insider (Form 4)81

Activist (13D/13G)80

Congressional (STOCK Act)84

Holder Quality

12

★★★★★

Elite

34

★★★★

Strong

20

★★★

Solid

58

★★

Below

67

★

Weak

Held by 126 funds

11 elite

Who's Trading

Source dates: Price Aug 27, 2026 · Insiders Dec 8, 2025 · Activists Aug 14, 2026 · Congress none

ActivistKYKynam Capital Management, LP6.8%Aug 14, 2026

ActivistT. Rowe Price Associates, Inc.6.0%Aug 14, 2026

ActivistKYKynam Capital Management, LP8.8%May 15, 2026

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Top Holders

Top Holders (126)History

AllNewIncreasedHeldDecreasedExited

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Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
WELLINGTON MANAGEMENT GROUP LLP	Increased	9.5M(+11.5%)	$355.1M	0.1%	+15.04%	35
BlackRock, Inc.	Increased	7M(+30.4%)	$260.6M	0.0%	+45.46%	39
STATE STREET CORP	Increased	3.9M(+39.1%)	$145.1M	0.0%	+17.12%	40
FMR LLC	Decreased	3.7M(-0.7%)	$138.5M	0.0%	+65.13%	0
VAVANGUARD CAPITAL MANAGEMENT LLC	Increased	3.5M(+17.0%)	$128.9M	0.0%	+34.59%	35
GEODE CAPITAL MANAGEMENT, LLC	Increased	2M(+19.8%)	$75.3M	0.0%	+23.68%	35
GOLDMAN SACHS GROUP INC	Increased	1.6M(+63.4%)	$60.1M	0.0%	+35.51%	43
BAKER BROS. ADVISORS LP	Increased	1.2M(+77.7%)	$44M	0.2%	+27.79%	53
MILLENNIUM MANAGEMENT LLC	Decreased	1.2M(-6.6%)	$43.6M	0.0%	+61.00%	0
DIMENSIONAL FUND ADVISORS LP	Increased	1.1M(+1.4%)	$40M	0.0%	+52.06%	29
AMERICAN CENTURY COMPANIES INC	Increased	1M(+21.7%)	$38.8M	0.0%	+28.41%	35
DRIEHAUS CAPITAL MANAGEMENT LLC	New	989,442	$36.8M	0.2%	+9.03%	48
Fisher Asset Management, LLC	Decreased	985,677(-2.8%)	$36.7M	0.0%	+49.98%	0
Pictet Asset Management Holding SA	Decreased	917,408(-0.7%)	$34.1M	0.0%	+49.59%	0
VPVANGUARD PORTFOLIO MANAGEMENT LLC	Increased	863,536(+37.2%)	$32.1M	0.0%	+30.10%	38
Assenagon Asset Management S.A.	Increased	788,696(+438.3%)	$29.3M	0.0%	+13.73%	46
NORTHERN TRUST CORP	Increased	719,647(+24.7%)	$26.8M	0.0%	+19.20%	35
Woodline Partners LP	Increased	700,830(+40.1%)	$26.1M	0.1%	+30.26%	38
TWO SIGMA INVESTMENTS, LP	Increased	661,235(+382.6%)	$24.6M	0.0%	+17.59%	46
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	Increased	655,954(+20.3%)	$24.4M	0.0%	-1.89%	34

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CLDXCelldex Therapeutics, Inc.

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High Conviction Moves-Smart Money Convergence-Fund Consensus-Double-Down Detection

Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer