CLDX on Nasdaq

Celldex Therapeutics

Logo: celldex.com3

American biopharmaceutical company.1

Price unavailable

Last updated Oct 18, 2026.

Overview

1983Founded1

Compare with Q/C TECHNOLOGIES, INC., VOLITIONRX LTD or Insight Molecular Diagnostics Inc., or pick any stock.

  • TickerCLDX on Nasdaq1
  • IndustryIn Vitro & In Vivo Diagnostic Substances1
  • HeadquartersHampton1
  • Websitewww.celldex.com
  • Incorporated inDE4
  • Business address53 Frontage Road, Suite 220, Hampton, Nj 088274
  • Filer categoryLarge accelerated filer4

Financials

From the company’s reports to the SEC. Every number links to the filing it came from.

Key numbers, fiscal 2025

-18599.8%Operating margin5
-16748.0%Net margin5
-78.0%Revenue growth, 20255
-49.1%Return on equity5
-$213.7MFree cash flow5

What sells

Revenue by product, business segment and region, as the company reports it to the SEC.

Products and services

Grant brought in 94% of the revenue Celldex Therapeutics broke down this way in fiscal 2025.

  1. Grant$1.4M594%down 79% from 2024
  2. Service$97.0K56%up 646% from 2024
Products and services by year
Products and services202320242025
Grant$6.6M$7.0M$1.4M
Service$278.0K$13.0K$97.0K

Where the money goes

Where each dollar of revenue went, fiscal 2025

  • Cost of revenue0¢$200.0K
  • Research and development100¢$245.1M

Out of $1.5M in revenue.5 The company lost money this year.

Financial statements

Revenue67895$1.5M in 2025−57% since 2019
0$2.0M$4.0M$6.0M$8.0M2019: $3.6M$3.6M20192020: $7.4M$7.4M2020+108%2021: $4.7M$4.7M2021−37%2022: $2.4M$2.4M2022−49%2023: $6.9M$6.9M2023+192%2024: $7.0M$7.0M2024+2%2025: $1.5M$1.5M2025−78%
Operating income67895-$287.4M in 2025+422% since 2019
-$300.0M-$200.0M-$100.0M02019: -$55.0M-$55.0M20192020: -$63.4M-$63.4M2020+15%2021: -$71.2M-$71.2M2021+12%2022: -$115.2M-$115.2M2022+62%2023: -$154.5M-$154.5M2023+34%2024: -$195.1M-$195.1M2024+26%2025: -$287.4M-$287.4M2025+47%
Net income5-$258.8M in 2025+83% since 2023
-$300.0M-$200.0M-$100.0M02023: -$141.4M-$141.4M20232024: -$157.9M-$157.9M2024+12%2025: -$258.8M-$258.8M2025+64%

Every line of the income statement as filed: the last 3 fiscal years, latest first.5

Period ending2025-12-312024-12-312023-12-31
Total revenues$1.5M$7.0M$6.9M
Research and development$245.1M$163.6M$118.0M
General and administrative$43.8M$38.5M$30.9M
Litigation settlement related loss$12.5M
Total operating expenses$288.9M$202.1M$161.4M
Operating loss-$287.4M-$195.1M-$154.5M
Investment and other income, net$28.6M$37.2M$13.1M
Basic net loss per common share (in dollars per share)-$3.90-$2.45-$2.92
Diluted net loss per common share (in dollars per share)-$3.90-$2.45-$2.92
Shares used in calculating basic net loss per share (in shares)66.4M shares64.4M shares48.4M shares
Shares used in calculating diluted net loss per share (in shares)66.4M shares64.4M shares48.4M shares
Net loss-$258.8M-$157.9M-$141.4M
Unrealized gain on marketable securities$312.0K$6.0K$2.0M
Comprehensive loss-$258.4M-$157.9M-$139.4M

Compare Celldex Therapeutics with another company

Leadership

Who has led Celldex Therapeutics, and when. Pick a name to see everywhere that person has worked.

Board members and other officers (35)

Former names

  • AVANT IMMUNOTHERAPEUTICS INCSep 1, 1998 to Sep 29, 20084
  • T CELL SCIENCES INCNov 14, 1995 to Aug 21, 19984

Timeline

  1. Jan 8, 2009New chief executive Anthony S. Marucci becomes CEO13
  2. Jan 5, 2006New chief executive Una S. Ryan becomes CEO14
  3. 1983Founded Founded1

Filings

282 filings to the SEC since October 2021: 5 annual reports, 15 quarterly reports, 37 major events, 131 insider forms, 61 large holders, 33 other. The latest 20:

  1. Oct 7, 2026SCHEDULE 13G/A EDGAR
  2. Sep 22, 20268-K EDGAR
  3. Aug 14, 2026SCHEDULE 13G/A EDGAR
  4. Aug 14, 2026SCHEDULE 13G EDGAR
  5. Aug 6, 20268-K EDGAR
  6. Aug 6, 202610-Q EDGAR
  7. Jul 15, 20268-K EDGAR
  8. Jun 29, 20264 EDGAR
  9. Jun 29, 20264 EDGAR
  10. Jun 29, 20264 EDGAR
  11. Jun 29, 20264 EDGAR
  12. Jun 29, 20264 EDGAR
  13. Jun 29, 20264 EDGAR
  14. Jun 29, 20264 EDGAR
  15. Jun 29, 20264 EDGAR
  16. Jun 29, 20264 EDGAR
  17. Jun 29, 20264 EDGAR
  18. Jun 29, 20264 EDGAR
  19. Jun 29, 20264 EDGAR
  20. Jun 29, 20264 EDGAR

The 282 filings since October 2021 can be filtered by form type and year here when JavaScript is on.

Every filing from the last three years, summarized. The full record is on SEC EDGAR.

Insider trades and holders

Large holders

Investors who own more than 5% must tell the SEC: a 13D if they may seek to influence the company, a 13G if they hold passively. 61 such filings since October 2021, the latest 10:

  1. Oct 7, 2026SCHEDULE 13G/A
  2. Aug 14, 2026SCHEDULE 13G/A
  3. Aug 14, 2026SCHEDULE 13G
  4. May 15, 2026SCHEDULE 13G/A
  5. May 15, 2026SCHEDULE 13G/A
  6. May 12, 2026SCHEDULE 13G
  7. May 6, 2026SCHEDULE 13G/A
  8. Apr 29, 2026SCHEDULE 13G
  9. Mar 26, 2026SCHEDULE 13G/A
  10. Mar 10, 2026SCHEDULE 13G/A

From Forms 4 and Schedules 13D and 13G filed with the SEC.

Held by these funds

The largest holders among investment managers' 13F reports for the quarter ending Jun 30, 2026, the top 25 of 100. Change is in shares since the quarter before.

FundSharesValueShare of the fundChange
Wellington Management Group Llp9,543,671$355.1M0.1%+983,195
BlackRock, Inc.7,002,530$260.6M0.0%+1,632,645
Kynam Capital Management, LP5,322,908$198.1M10.9%−517,659
State Street Corp3,900,427$145.1M0.0%+1,096,259
Fmr LLC3,722,888$138.5M0.0%−26,160
Vanguard Capital Management LLC3,464,831$128.9M0.0%+503,936
Deep Track Capital, LP2,939,151$109.4M1.6%+1,655,172
Logos Global Management LP2,100,000$78.1M3.4%+1,650,000
Geode Capital Management, LLC2,022,226$75.3M0.0%+334,152
Eversept Partners, LP1,785,941$66.5M3.6%−2,075
Goldman Sachs Group Inc1,615,343$60.1M0.0%+626,927
Assenagon Asset Management S.A.1,577,392$58.7M0.0%+1,430,867
Commodore Capital LP1,350,000$50.2M3.0%−1,346,616
Bellevue Group AG1,200,000$44.7M0.9%No change
Baker Bros. Advisors LP1,182,611$44.0M0.2%+517,241
Millennium Management LLC1,170,787$43.6M0.0%−82,745
Dimensional Fund Advisors LP1,073,985$40.0M0.0%+14,451
American Century Companies Inc1,042,395$38.8M0.0%+186,085
Eventide Asset Management, LLC1,037,000$38.6M0.5%No change
Novo Holdings A/s1,025,000$38.1M2.2%−175,000
Elmind Capital, LP990,000$36.8M9.3%+125,000
Driehaus Capital Management LLC989,442$36.8M0.2%New
Fisher Asset Management, LLC985,677$36.7M0.0%−27,971
Pictet Asset Management Holding SA917,408$34.1M0.0%−6,288
Foresite Capital Management VI LLC879,713$32.7M5.1%+563,800

13F reports cover disclosed long positions in U.S. stocks only.

Sources

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