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Celldex Therapeutics (CLDX) Institutional Ownership

Celldex Therapeutics logo
$31.65 -0.53 (-1.65%)
Closing price 10/2/2026 04:00 PM Eastern
Extended Trading
$31.82 +0.17 (+0.55%)
As of 10/2/2026 07:58 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more.
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Institutional Ownership Changes (13F Filings) for Celldex Therapeutics (NASDAQ:CLDX)

Number of
Institutional Buyers
(last 12 months)
93
Total
Institutional Inflows
(last 12 months)
$478.57M
Number of
Institutional Sellers
(last 12 months)
55
Total
Institutional Outflows
(last 12 months)
$196.52M
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CLDX Institutional Buying and Selling by Quarter

Celldex Therapeutics Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
9/9/2026Engineers Gate Manager LP33,842$1.26M0.0%N/A0.043%
9/8/2026Arizona State Retirement System18,565$691K0.0%+13.0%0.024%
9/8/2026Nykredit A S1,793$67K0.0%N/A0.002%
8/27/2026Corient Private Wealth LP176,956$6.59M0.0%+1,109.0%0.225%
8/22/2026Seven Fleet Capital Management LP86,664$3.23M0.5%+195.8%0.110%
8/22/2026Odyssean LLC95,069$3.54M0.6%N/A0.121%
8/21/2026Braidwell LP436,646$16.25M0.6%-67.8%0.556%
8/21/2026Nykredit A S1,793$67K0.0%N/A0.002%
8/20/2026Montanova Capital LLC121,297$4.51M0.1%N/A0.154%
8/19/2026Wellington Management Group LLP9,543,671$355.12M0.1%+11.5%12.153%
8/6/2026Bank of New York Mellon Corp224,176$8.34M0.0%N/A0.286%
7/10/2026Handelsbanken Fonder AB27,200$1.01M0.0%+5.0%0.035%
7/9/2026Hennion & Walsh Asset Management Inc.47,113$1.75M0.0%-0.9%0.060%
7/8/2026Assenagon Asset Management S.A.788,696$29.35M0.0%+438.3%1.005%
7/8/2026Apella Capital LLC26,658$1.06M0.0%+56.6%0.034%
7/7/2026Mirador Capital Partners LP181,054$6.74M0.8%+1.7%0.231%
6/4/2026Seven Fleet Capital Management LP29,300$929K0.3%N/A0.037%
5/26/2026Glenmede Trust Co. NA11,267$357K0.0%N/A0.014%
5/22/2026Segall Bryant & Hamill LLC346,919$11.00M0.1%-32.6%0.442%
5/19/2026Bank of America Corp DE708,647$22.48M0.0%+70.8%0.903%
5/19/2026Stempoint Capital LP254,267$8.07M1.5%N/A0.324%
5/18/2026ADAR1 Capital Management LLC427,816$13.57M0.8%-33.9%0.545%
5/18/2026Amundi9,351$297K0.0%N/A0.012%
5/18/2026California State Teachers Retirement System79,630$2.53M0.0%+36.4%0.101%
5/18/2026Redmile Group LLC261,508$8.30M0.5%-7.7%0.333%
5/18/2026Rock Springs Capital Management LP650,270$20.63M1.2%-6.1%0.828%
5/18/2026Eversept Partners LP1,788,016$56.72M3.0%+24.6%2.278%
5/16/2026The Manufacturers Life Insurance Company77,772$2.47M0.0%+3.5%0.099%
5/16/2026Quantinno Capital Management LP65,744$2.09M0.0%+178.7%0.084%
5/16/2026SummitTX Capital L.P.236,637$7.51M0.2%+446.2%0.301%
5/15/2026Commodore Capital LP2,696,616$85.54M4.9%+5.1%3.436%
5/15/2026Affinity Asset Advisors LLC500,000$15.86M0.8%+42.9%0.637%
5/14/2026Sei Investments Co.38,152$1.21M0.0%N/A0.049%
5/14/2026Walleye Capital LLC8,147$258K0.0%N/A0.010%
5/13/2026Cetera Investment Advisers7,196$228K0.0%-27.3%0.009%
5/13/2026First Trust Advisors LP68,470$2.17M0.0%+78.7%0.087%
5/7/2026Dimensional Fund Advisors LP1,059,534$33.60M0.0%+62.6%1.350%
5/7/2026AlphaCentric Advisors LLC12,614$400K0.4%N/A0.016%
5/5/2026Bank of New York Mellon Corp190,399$6.04M0.0%-2.1%0.286%
5/1/2026Candriam S.C.A.278,888$8.85M0.0%N/A0.419%
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4/27/2026Simplify Asset Management Inc.68,994$2.19M0.0%-18.8%0.104%
4/27/2026Y Intercept Hong Kong Ltd45,192$1.43M0.0%N/A0.068%
4/22/2026Pictet Asset Management Holding SA923,696$29.30M0.0%-4.6%1.388%
4/22/2026Sterling Capital Management LLC2,170$69K0.0%-43.0%0.003%
4/20/2026Assenagon Asset Management S.A.146,525$4.65M0.0%N/A0.220%
4/16/2026SG Americas Securities LLC38,008$1.21M0.0%-19.7%0.057%
4/16/2026Diversified Trust Co7,021$223K0.0%N/A0.011%
3/9/2026Corient Private Wealth LLC234,698$6.21M0.0%-2.0%0.353%
2/19/2026Invesco Ltd.90,144$2.45M0.0%+14.3%0.136%
2/19/2026Corient Private Wealth LLC234,328$6.21M0.0%-2.2%0.353%
2/18/2026ADAR1 Capital Management LLC646,767$17.57M1.3%+491.0%0.973%
2/18/2026XTX Topco Ltd51,523$1.40M0.0%+552.7%0.078%
2/18/2026Vestal Point Capital LP1,165,000$31.64M1.1%-3.3%1.753%
2/18/2026Virtus Investment Advisers LLC9,671$263K0.1%+72.9%0.015%
2/18/2026Wellington Management Group LLP8,079,608$219.44M0.1%+39.3%12.159%
2/18/2026SummitTX Capital L.P.43,324$1.18M0.0%-54.9%0.065%
2/18/2026Sphera Funds Management LTD.239,764$6.51M1.2%+15.4%0.361%
2/18/2026Superstring Capital Management LP88,308$2.40M1.3%N/A0.133%
2/18/2026Millennium Management LLC1,212,705$32.94M0.0%+24.4%1.825%
2/18/2026Elmind Capital LP865,000$23.49M6.9%N/A1.302%
2/18/2026Eversept Partners LP1,434,725$38.97M2.0%+24.3%2.159%
2/18/2026Commodore Capital LP2,565,000$69.67M4.6%-15.3%3.860%
2/17/2026Logos Global Management LP350,000$9.51M0.6%N/A0.527%
2/17/2026ADAR1 Capital Management LLC646,767$17.57M1.3%+491.0%0.973%
2/17/2026Braidwell LP1,858,109$50.47M1.6%+214.0%2.796%
2/17/2026Jump Financial LLC145,164$3.94M0.0%+926.4%0.218%
2/17/2026Price T Rowe Associates Inc. MD2,039,705$55.40M0.0%-14.4%3.070%
2/17/2026Rock Springs Capital Management LP692,538$18.81M1.0%-4.0%1.042%
2/17/2026California State Teachers Retirement System58,397$1.59M0.0%+5.2%0.088%
2/17/2026State of Wisconsin Investment Board38,066$1.03M0.0%-15.0%0.057%
2/17/2026Royal Bank of Canada2,292$62K0.0%-95.0%0.003%
2/17/2026Polar Capital Holdings Plc1,008,163$27.38M0.1%-22.5%1.517%
2/16/2026Panagora Asset Management Inc.21,856$594K0.0%+7.5%0.033%
2/16/2026Eventide Asset Management LLC1,642,559$44.61M0.7%-11.6%2.472%
2/16/2026Barclays PLC240,594$6.54M0.0%-1.7%0.362%
2/13/2026Kestra Advisory Services LLC3,600$98K0.0%N/A0.005%
2/13/2026The Manufacturers Life Insurance Company 75,130$2.01M0.0%-13.7%0.113%
2/13/2026Segall Bryant & Hamill LLC514,531$13.98M0.2%-2.7%0.774%
2/13/2026Affinity Asset Advisors LLC350,000$9.51M0.5%+16.7%0.527%
2/13/2026Rafferty Asset Management LLC114,230$3.10M0.0%+17.2%0.172%
2/13/2026First Trust Advisors LP38,313$1.04M0.0%+7.8%0.058%
2/13/2026Charles Schwab Investment Management Inc.550,729$14.96M0.0%-0.6%0.829%
2/13/2026Police & Firemen s Retirement System of New Jersey16,822$457K0.0%-7.3%0.025%
2/13/2026State Street Corp3,397,713$92.28M0.0%+19.5%5.113%
2/13/2026UBS AM a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC117,589$3.19M0.0%+11.5%0.177%
2/13/2026Wells Fargo & Company MN91,599$2.49M0.0%+35.2%0.138%
2/12/2026HRT Financial LP77,640$2.11M0.0%+21.0%0.117%
2/12/2026MetLife Investment Management LLC37,012$1.01M0.0%-5.1%0.056%
2/12/2026Renaissance Technologies LLC118,488$3.22M0.0%-39.1%0.178%
2/12/2026Dimensional Fund Advisors LP651,716$17.70M0.0%+153.5%0.981%
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2/12/2026Ensign Peak Advisors Inc6,278$171K0.0%-60.5%0.009%
2/12/2026Marex Group plc8,200$223K0.0%N/A0.012%
2/12/2026Alps Advisors Inc.54,559$1.48M0.0%+70.9%0.082%
2/12/2026Swiss National Bank117,900$3.20M0.0%+1.8%0.177%
2/12/2026Nuveen LLC200,696$5.45M0.0%-19.5%0.302%
2/11/2026Deutsche Bank AG136,485$3.71M0.0%+1.4%0.205%
2/11/2026JPMorgan Chase & Co.173,677$4.72M0.0%-6.0%0.261%
2/11/2026Propel Bio Management LLC154,300$4.19M3.6%-0.5%0.232%
2/10/2026TD Asset Management Inc66,570$1.81M0.0%-28.0%0.100%
2/10/2026Goldman Sachs Group Inc.1,068,131$29.01M0.0%+3.8%1.607%


CLDX Institutional Ownership - Frequently Asked Questions

During the previous two years, 181 institutional investors and hedge funds held shares of Celldex Therapeutics. The most heavily invested institutionals were Wellington Management Group LLP ($355.12M), FMR LLC ($122.75M), Vanguard Group Inc. ($109.38M), State Street Corp ($92.28M), Bellevue Group AG ($92.04M), Commodore Capital LP ($85.54M), and Point72 Asset Management L.P. ($63.58M).Learn more on Celldex Therapeutics' institutional investors.

Of the 157 institutional investors that purchased Celldex Therapeutics' stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Wellington Management Group LLP ($5.00M), Braidwell LP ($1.86M), Vestal Point Capital LP ($1.86M), Deep Track Capital LP ($1.54M), ADAR1 Capital Management LLC ($1.14M), Millennium Management LLC ($1.04M), and Dimensional Fund Advisors LP ($915.65K).

Institutional investors have bought a total of 16,510,330 shares in the last 24 months. This purchase volume represents approximately $478.57M in transactions.

Of the 55 institutional investors that sold Celldex Therapeutics' stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Woodline Partners LP ($1.30M), Braidwell LP ($919.44K), Commodore Capital LP ($885K), Vestal Point Capital LP ($585K), UBS Group AG ($514.78K), Price T Rowe Associates Inc. MD ($342.81K), and Polar Capital Holdings Plc ($292.27K).

Institutional investors have sold a total of 6,970,626 shares in the last 24 months. This volume of shares sold represents approximately $196.52M in transactions.


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Institutional ownership data for NASDAQ:CLDX is compiled from quarterly 13F filings submitted to the U.S. Securities and Exchange Commission (SEC), with the most recent received on 9/9/2026. New 13F filings are added each quarter as they're published.
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