CLDX Celldex Therapeutics, Inc.

NASDAQ
$40.57

Celldex Therapeutics, Inc. (CLDX) Institutional Ownership

What the institutions did with CLDX last quarter, from their 13F filings. Counting managers rather than shares is the point: a single index fund adding to a position tells you far less than four hundred separate managers all deciding to. Positions as reported for the quarter ended June 30, 2026.

Managers reporting
269
filed a 13F this quarter
Managers holding
248
+23 on the quarter
Buyers
150
44 opened new
Sellers
78
21 sold out entirely
Buyer share
65.8%
of managers who traded it
Breadth
+31.6
net buyers, as a share of those trading

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Largest holders

Manager Shares % of reported
WELLINGTON MANAGEMENT GROUP LLP 9.5M 11.1%
BlackRock, Inc. 7.0M 8.2%
Kynam Capital Management, LP 5.3M 6.2%
PRICE T ROWE ASSOCIATES INC /MD/ 4.7M 5.5%
STATE STREET CORP 3.9M 4.5%
FMR LLC 3.7M 4.3%
VANGUARD CAPITAL MANAGEMENT LLC 3.5M 4.0%
Deep Track Capital, LP 2.9M 3.4%
Logos Global Management LP 2.1M 2.4%
GEODE CAPITAL MANAGEMENT, LLC 2.0M 2.4%
Eversept Partners, LP 1.8M 2.1%
GOLDMAN SACHS GROUP INC 1.6M 1.9%
Assenagon Asset Management S.A. 1.6M 1.8%
Commodore Capital LP 1.4M 1.6%
Bellevue Group AG 1.2M 1.4%
BAKER BROS. ADVISORS LP 1.2M 1.4%
MILLENNIUM MANAGEMENT LLC 1.2M 1.4%
DIMENSIONAL FUND ADVISORS LP 1.1M 1.3%
AMERICAN CENTURY COMPANIES INC 1.0M 1.2%
EVENTIDE ASSET MANAGEMENT, LLC 1.0M 1.2%
NOVO HOLDINGS A/S 1.0M 1.2%
Elmind Capital, LP 990.0K 1.2%
Driehaus Capital Management LLC 989.4K 1.2%
Fisher Asset Management, LLC 985.7K 1.1%
Pictet Asset Management Holding SA 917.4K 1.1%

Largest changes

Manager Action Previous Current Change
Point72 Asset Management, L.P. Reduced 3.2M 117.2K -3.1M
PRICE T ROWE ASSOCIATES INC /MD/ Increased 2.1M 4.7M +2.6M
Deep Track Capital, LP Increased 1.3M 2.9M +1.7M
Logos Global Management LP Increased 450.0K 2.1M +1.7M
BlackRock, Inc. Increased 5.4M 7.0M +1.6M
Assenagon Asset Management S.A. Increased 146.5K 1.6M +1.4M
Commodore Capital LP Reduced 2.7M 1.4M -1.3M
Vestal Point Capital, LP Sold Out 1.2M 0 -1.2M
STATE STREET CORP Increased 2.8M 3.9M +1.1M
Driehaus Capital Management LLC New 0 989.4K +989.4K
WELLINGTON MANAGEMENT GROUP LLP Increased 8.6M 9.5M +983.2K
BRAIDWELL LP Reduced 1.4M 436.6K -919.4K
GOLDMAN SACHS GROUP INC Increased 988.4K 1.6M +626.9K
Foresite Capital Management VI LLC Increased 315.9K 879.7K +563.8K
TWO SIGMA INVESTMENTS, LP Increased 137.0K 661.2K +524.2K
Kynam Capital Management, LP Reduced 5.8M 5.3M -517.7K
BAKER BROS. ADVISORS LP Increased 665.4K 1.2M +517.2K
VANGUARD CAPITAL MANAGEMENT LLC Increased 3.0M 3.5M +503.9K
FEDERATED HERMES, INC. New 0 492.9K +492.9K
ALGERT GLOBAL LLC Increased 215.2K 647.8K +432.7K
PANAGORA ASSET MANAGEMENT INC Increased 142.3K 572.5K +430.2K
Nuveen, LLC Increased 201.9K 568.5K +366.5K
GEODE CAPITAL MANAGEMENT, LLC Increased 1.7M 2.0M +334.2K
STEMPOINT CAPITAL LP Reduced 508.5K 178.4K -330.1K
VANGUARD PORTFOLIO MANAGEMENT LLC Increased 629.3K 863.5K +234.3K

13F filings are due 45 days after quarter end and cover long positions in U.S.-listed equities only, so this is a lagged and partial picture: shorts, bonds and foreign listings never appear. Options positions are excluded here rather than folded into the share counts. Political ownership is coming.