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Celldex Therapeutics, Inc.

CLDX
Exchange
Nasdaq
Industry
In Vitro & In Vivo Diagnostic Substances
SEC CIK
0000744218

No open-market purchases or sales by Celldex Therapeutics, Inc. insiders were filed in the last 90 days; 253 institutions reported holding it in 13F filings for Q2 2026, worth $3.19B in total; no superinvestor holds it.

13F holders, Q2 2021

Institutional positions in Celldex Therapeutics, Inc. as of Jun 30, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
132
+17 vs. Q1 2021
Shares held
35.3M
+769.6K (+2.2%) vs. Q1 2021
Total value
$1.19B
+$484.7M (+68.3%) vs. Q1 2021
New holders
40
33 more added
Sold out
23
36 more reduced

Compare with Q1 2021: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting CLDX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2021: 132 institutions
Q1 2021: 115 institutionsQ2 2021: 132 institutionsQ3 2021: 161 institutionsQ4 2021: 181 institutionsQ1 2022: 169 institutionsQ2 2022: 158 institutionsQ3 2022: 161 institutionsQ4 2022: 168 institutionsQ1 2023: 161 institutionsQ2 2023: 150 institutionsQ3 2023: 143 institutionsQ4 2023: 164 institutionsQ1 2024: 197 institutionsQ2 2024: 183 institutionsQ3 2024: 176 institutionsQ4 2024: 174 institutionsQ1 2025: 171 institutionsQ2 2025: 182 institutionsQ3 2025: 184 institutionsQ4 2025: 187 institutionsQ1 2026: 229 institutionsQ2 2026: 253 institutions
Value heldQ2 2021: $1.23B
Q1 2021: $709.5MQ2 2021: $1.23BQ3 2021: $2.33BQ4 2021: $1.81BQ1 2022: $1.69BQ2 2022: $1.30BQ3 2022: $1.39BQ4 2022: $2.17BQ1 2023: $2.03BQ2 2023: $1.70BQ3 2023: $1.39BQ4 2023: $2.45BQ1 2024: $2.94BQ2 2024: $2.58BQ3 2024: $2.44BQ4 2024: $1.86BQ1 2025: $1.34BQ2 2025: $1.48BQ3 2025: $1.83BQ4 2025: $2.00BQ1 2026: $2.32BQ2 2026: $3.19B
Institutions holding CLDX and their total value by quarter
QuarterHoldersValue
Q2 2026253$3.19B
Q1 2026229$2.32B
Q4 2025187$2.00B
Q3 2025184$1.83B
Q2 2025182$1.48B
Q1 2025171$1.34B
Q4 2024174$1.86B
Q3 2024176$2.44B
Q2 2024183$2.58B
Q1 2024197$2.94B
Q4 2023164$2.45B
Q3 2023143$1.39B
Q2 2023150$1.70B
Q1 2023161$2.03B
Q4 2022168$2.17B
Q3 2022161$1.39B
Q2 2022158$1.30B
Q1 2022169$1.69B
Q4 2021181$1.81B
Q3 2021161$2.33B
Q2 2021132$1.23B
Q1 2021115$709.5M

Institutions, Q2 2021

Shares, value and share of portfolio for each institution holding Celldex Therapeutics, Inc.; share changes are against Q1 2021.

Institutions holding CLDX in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
RTW Investments, LP3,908,947$130.7M1.97%00.0%Unchanged
Redmile Group, LLC3,012,081$100.7M1.49%−375,707−11.1%Reduced
BlackRock Inc.2,700,650$90.3M0.00%+1,732,777+179.0%Added
Eventide Asset Management, LLC2,108,908$70.5M0.95%+46,475+2.3%Added
State Street Corp2,094,218$70.0M0.00%+217,241+11.6%Added
Vanguard Group Inc1,970,406$65.9M0.00%+172,079+9.6%Added
Wellington Management Group LLP1,962,999$65.6M0.01%+74,263+3.9%Added
Adage Capital Partners GP, L.L.C.1,818,478$60.8M0.12%−81,522−4.3%Reduced
VR Adviser, LLC1,240,610$41.5M5.03%00.0%Unchanged
Acuta Capital Partners, LLC987,406$33.0M14.14%−30,118−3.0%Reduced
Opaleye Management Inc.985,000$32.9M5.47%00.0%Unchanged
Vivo Capital, LLC968,906$32.4M1.40%−322,969−25.0%Reduced
Perceptive Advisors LLC742,699$24.8M0.32%+742,699New
Geode Capital Management, LLC672,948$22.5M0.00%+320,251+90.8%Added
Driehaus Capital Management LLC585,311$19.6M0.26%+236,471+67.8%Added
Octagon Capital Advisors LP561,398$18.8M3.89%00.0%Unchanged
Polar Capital Holdings Plc500,000$16.7M0.07%00.0%Unchanged
Cresset Asset Management, LLC457,666$15.3M0.22%00.0%Unchanged
Invesco Ltd.430,407$14.4M0.00%+169,912+65.2%Added
Northern Trust Corp412,263$13.8M0.00%+305,057+284.6%Added
Candriam Luxembourg S.C.A.399,685$13.4M0.09%+55,546+16.1%Added
Price T Rowe Associates Inc389,048$13.0M0.00%+56,818+17.1%Added
Citadel Advisors LLC371,171$12.4M0.01%−604,845−62.0%Reduced
FMR LLC366,295$12.2M0.00%+28,395+8.4%Added
Ikarian Capital, LLC365,544$12.2M2.18%−230,746−38.7%Reduced
Renaissance Technologies LLC364,027$12.2M0.02%−177,400−32.8%Reduced
Dimensional Fund Advisors LP359,424$12.0M0.00%+56,072+18.5%Added
TSP Capital Management Group, LLC–$11.4M3.74%––
Goldman Sachs Group Inc338,055$11.3M0.00%−130,826−27.9%Reduced
Commodore Capital LP323,437$10.8M3.77%−46,514−12.6%Reduced
Ghost Tree Capital, LLC285,000$9.53M2.98%+35,000+14.0%Added
AXA S.A.228,951$7.66M0.02%−68,832−23.1%Reduced
Tri Locum Partners LP175,305$5.86M2.45%−21,367−10.9%Reduced
Nuveen Asset Management, LLC142,031$4.75M0.00%+142,031New
DSAM Partners (London) Ltd135,907$4.54M0.76%00.0%Unchanged
Sofinnova Investments, Inc.134,724$4.50M0.27%+134,724New
Morgan Stanley123,159$4.12M0.00%+101,154+459.7%Added
Citigroup Inc120,254$4.02M0.00%−53,024−30.6%Reduced
Bank of New York Mellon Corp116,435$3.89M0.00%+67,182+136.4%Added
Susquehanna International Group, LLP106,448$3.56M0.00%−524,561−83.1%Reduced
Allianz Asset Management GmbH105,913$3.54M0.00%+21,345+25.2%Added
Pura Vida Investments, LLC105,056$3.51M0.25%−58,559−35.8%Reduced
Charles Schwab Investment Management Inc97,625$3.27M0.00%+83,116+572.9%Added
Altium Capital Management LP93,116$3.11M0.72%+48,103+106.9%Added
Two Sigma Advisers, LP87,736$2.93M0.01%−122,520−58.3%Reduced
Silverarc Capital Management, LLC9,921$2.93M1.43%+9,921New
Swiss National Bank87,200$2.92M0.00%−3,200−3.5%Reduced
Principal Financial Group Inc83,865$2.80M0.00%+83,865New
Mirador Capital Partners LP78,679$2.63M0.60%+3,003+4.0%Added
Rafferty Asset Management, LLC78,501$2.63M0.02%−42,558−35.2%Reduced
Schonfeld Strategic Advisors LLC76,880$2.57M0.03%+42,310+122.4%Added
EAM Global Investors LLC71,238$2.38M0.66%+71,238New
TD Asset Management Inc44,929$1.97M0.00%+22,079+96.6%Added
Jane Street Group, LLC55,936$1.87M0.00%+36,572+188.9%Added
California State Teachers Retirement System54,079$1.81M0.00%+54,079New
Boothbay Fund Management, LLC52,338$1.75M0.07%−21,861−29.5%Reduced
Jump Financial, LLC51,400$1.72M0.17%+51,400New
EAM Investors, LLC50,533$1.69M0.26%+50,533New
Affinity Asset Advisors, LLC50,000$1.67M0.80%−80,000−61.5%Reduced
State of Wisconsin Investment Board49,700$1.66M0.00%+49,700New
Altshuler Shaham Ltd46,500$1.55M0.01%00.0%Unchanged
Alliancebernstein L.P.40,900$1.37M0.00%+40,900New
Rhumbline Advisers40,835$1.37M0.00%+40,835New
Simplex Trading, LLC37,111$1.24M0.04%+34,565+1,357.6%Added
Deutsche Bank AG34,631$1.16M0.00%+32,223+1,338.2%Added
UBS Asset Management Americas Inc34,012$1.14M0.00%−1,365−3.9%Reduced
HighVista Strategies LLC33,893$1.13M0.80%+953+2.9%Added
New York State Common Retirement Fund33,600$1.12M0.00%+33,600New
ClariVest Asset Management LLC33,500$1.12M0.04%+33,500New
Norges Bank32,200$1.08M0.00%+32,200New
D. E. Shaw & Co., Inc.30,299$1.01M0.00%+30,299New
Cowen and Company, LLC28,395$950.0K0.05%+28,395New
Teachers Retirement System of the State of Kentucky26,631$891.0K0.01%+26,631New
Credit Suisse AG26,422$883.0K0.00%−22,532−46.0%Reduced
Group One Trading, L.P.26,283$879.0K0.02%−56,354−68.2%Reduced
AlphaCentric Advisors LLC25,000$836.0K0.23%00.0%Unchanged
Creative Planning24,108$806.0K0.00%−39−0.2%Reduced
Victory Capital Management Inc23,133$774.0K0.00%−3,632−13.6%Reduced
Cubist Systematic Strategies, LLC22,895$766.0K0.01%−2,206−8.8%Reduced
Manufacturers Life Insurance Company, The22,135$740.0K0.00%+22,135New
American International Group, Inc.21,970$735.0K0.00%+21,970New
Barclays PLC21,825$730.0K0.00%−33,474−60.5%Reduced
UBS Group AG20,313$679.0K0.00%−34,536−63.0%Reduced
Voya Investment Management LLC15,441$516.0K0.00%+15,441New
Raymond James Financial Services Advisors, Inc.15,180$508.0K0.00%−71−0.5%Reduced
JPMorgan Chase & Co15,189$507.0K0.00%+15,081+13,963.9%Added
Connor, Clark & Lunn Investment Management Ltd.14,533$486.0K0.00%+14,533New
MetLife Investment Management14,507$485.1K0.00%+14,507New
Bank of America Corp12,692$425.0K0.00%−3,441−21.3%Reduced
Metropolitan Life Insurance Co11,107$371.4K0.01%+11,107New
Arizona State Retirement System10,755$360.0K0.00%−763−6.6%Reduced
Parametric Portfolio Associates LLC10,754$360.0K0.00%−486−4.3%Reduced
ProShare Advisors LLC10,171$340.0K0.00%+10,171New
FORA Capital, LLC9,861$330.0K0.06%+9,861New
Gsa Capital Partners LLP9,769$327.0K0.04%+9,769New
Virtus ETF Advisers LLC8,300$278.0K0.11%−8,164−49.6%Reduced
Evoke Wealth, LLC8$268.0K0.01%00.0%Unchanged
Campbell & CO Investment Adviser LLC8,000$268.0K0.11%+8,000New
Tekla Capital Management LLC7,053$236.0K0.01%00.0%Unchanged
Lazard Asset Management LLC7,075$236.0K0.00%+7,075New