CLDXCelldex Therapeutics, Inc.

$29.89+21% 1Y

Who owns CLDX

252 institutions reported holding CLDX for 2026Q2, together 128% of the company, more than the 227 a quarter earlier.

252

Institutions reporting a position · as of 2026Q2 · up from 227 the quarter before

Shares held by institutions
85.0M

Shares held by institutions · 128% of the company · long US equity positions only, as reported on Form 13F

Reported value
$3.16B

Reported value · at Jun 30, 2026 prices, not today's

Opened vs closed
48 / 24

Opened vs closed · new positions against positions exited in the latest quarter

Details›
Reporting quarter2026-06-30
2026Q2
Quarters on record
53
New positions
48
Positions exited
24
Added to
99
Reduced
54
Shares sold shortsettled Sep 15, 2026
9.0M
Short interestof shares outstanding
13%
Days to coverat the average daily volume
13.1
Change in the short positionsince the Aug 31, 2026 count
+3.6%
Institutional ownership by quarter, 2013Q2 to 2026Q2
QuarterFilersSharesReported value
2026Q225285.0M$3.16B
2026Q122772.6M$2.30B
2025Q418673.0M$1.98B
2025Q318470.7M$1.83B
2025Q217972.3M$1.47B
2025Q117173.6M$1.34B
2024Q417373.7M$1.86B
2024Q317571.7M$2.44B
2024Q218169.5M$2.57B
2024Q119769.3M$2.91B
2023Q416361.0M$2.42B
2023Q314450.6M$1.39B
2023Q215050.2M$1.70B
2023Q116149.5M$1.78B
2022Q416748.7M$2.17B
2022Q315949.1M$1.38B
Largest reported holders, 2026Q2
HolderShares% of companyValue
WELLINGTON MANAGEMENT GROUP LLP9.5Mn/a$355M
BlackRock Inc.7.0Mn/a$261M
Kynam Capital Management, LP5.3Mn/a$198M
VANGUARD GROUP INC5.0Mn/a$185M
PRICE T ROWE ASSOCIATES INC /MD/4.7Mn/a$174M
STATE STREET CORP3.9Mn/a$145M
FMR LLC3.7Mn/a$139M
Deep Track Capital, LP2.9Mn/a$109M
Logos Global Management LP2.1Mn/a$78M
GEODE CAPITAL MANAGEMENT LLC2.0Mn/a$75M
Short interest by settlement date, Aug 29, 2025 to Sep 15, 2026
SettlementShares shortOf shares outstandingDays to cover
Sep 15, 20269.0M13%13.1
Aug 31, 20268.6M13%12.2
Aug 14, 20267.6M11%7.9
Jul 31, 20267.6M11%7.6
Jul 15, 20267.7M12%9.1
Jun 30, 20267.7M12%4.3
Jun 15, 20267.3M11%9.1
May 29, 20267.1M11%10.7
May 15, 20267.1M11%10.1
Apr 30, 20267.6M11%9.4
Apr 15, 20268.3M12%5.5
Mar 31, 20269.1M14%8.5

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold. The short position is FINRA's consolidated count for each twice-monthly settlement date, as a share of shares outstanding.

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