CELLDEX THERAPEUTICS INC (CLDX) Institutional Ownership Changes & 13F Activity

CELLDEX THERAPEUTICS INC (CLDX). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Point72 Asset Management, L.P., Price T Rowe Associates Inc, Deep Track Capital, Lp, Logos Global Management Lp, and Commodore Capital Lp.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Manufacturers Life Insurance Company, TheBuy+11,566+14.9%89,338$3.32MQ2 2026Sep 09, 2026
Corient Private Wealth LlcBuy+162,320+1109.0%176,956$6.58MQ2 2026Aug 27, 2026
California State Teachers Retirement SystemSell-1,907-2.4%77,723$2.89MQ2 2026Aug 24, 2026
Assenagon Asset Management S.A.Buy+642,171+438.3%788,696$29.35MQ2 2026Aug 21, 2026
Palo Alto Investors LpBuy+103,448+34.9%399,856$14.88MQ2 2026Aug 19, 2026
Mercer Global Advisors IncBuy+6,3076,307$234.68KQ2 2026Aug 19, 2026
Seven Fleet Capital Management LpBuy+57,364+195.8%86,664$3.22MQ2 2026Aug 17, 2026
Capstone Investment Advisors, LlcBuy+11,82211,822$439.90KQ2 2026Aug 17, 2026
Point72 Asset Management, L.P.Sell-3,112,722-96.4%117,217$4.36MQ2 2026Aug 14, 2026
Price T Rowe Associates IncBuy+2,598,891+124.6%4,685,223$174.34MQ2 2026Aug 14, 2026
Deep Track Capital, LpBuy+1,655,172+128.9%2,939,151$109.37MQ2 2026Aug 14, 2026
Logos Global Management LpBuy+1,650,000+366.7%2,100,000$78.14MQ2 2026Aug 14, 2026
Commodore Capital LpSell-1,346,616-49.9%1,350,000$50.23MQ2 2026Aug 14, 2026
Driehaus Capital Management LlcBuy+989,442989,442$36.82MQ2 2026Aug 14, 2026
Wellington Management Group LlpBuy+983,195+11.5%9,543,671$355.12MQ2 2026Aug 14, 2026
Braidwell LpSell-919,436-67.8%436,646$16.25MQ2 2026Aug 14, 2026
Goldman Sachs Group IncBuy+626,927+63.4%1,615,343$60.11MQ2 2026Aug 14, 2026
Foresite Capital Management Vi LlcBuy+563,800+178.5%879,713$32.73MQ2 2026Aug 14, 2026
Two Sigma Investments, LpBuy+524,220+382.6%661,235$24.60MQ2 2026Aug 14, 2026
Kynam Capital Management, LpSell-517,659-8.9%5,322,908$198.07MQ2 2026Aug 14, 2026
Baker Bros. Advisors LpBuy+517,241+77.7%1,182,611$44.00MQ2 2026Aug 14, 2026
Woodline Partners LpBuy+200,703+40.1%700,830$26.08MQ2 2026Aug 14, 2026
Adar1 Capital Management, LlcBuy+191,726+44.8%619,542$23.05MQ2 2026Aug 14, 2026
Trexquant Investment LpBuy+184,524184,524$6.87MQ2 2026Aug 14, 2026
Novo Holdings A/SSell-175,000-14.6%1,025,000$38.14MQ2 2026Aug 14, 2026
Redmile Group, LlcBuy+172,413+65.9%433,921$16.15MQ2 2026Aug 14, 2026
Rosalind Advisors, Inc.Sell-130,000-39.4%200,000$7.44MQ2 2026Aug 14, 2026
Elmind Capital, LpBuy+125,000+14.5%990,000$36.84MQ2 2026Aug 14, 2026
Suvretta Capital Management, LlcBuy+121,297121,297$4.51MQ2 2026Aug 14, 2026
Charles Schwab Investment Management IncBuy+110,468+20.3%655,954$24.41MQ2 2026Aug 14, 2026
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Frequently asked questions about CLDX activity

  • Which institutional owners are buying CLDX?

    Institutional owners buying CLDX include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in CLDX activity?

    "Buy" means an investor increased their reported position in CLDX compared to the prior reporting period. This reflects growing exposure to CELLDEX THERAPEUTICS INC (CLDX) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in CLDX increasing?

    Institutional interest in CLDX can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.