CELLDEX THERAPEUTICS INC NEW CLDX
COM NEW · Common Stock · CUSIP 15117B202 · ISIN US15117B2025
American biopharmaceutical company
- SectorHealth care
- IndustryIn Vitro & In Vivo Diagnostic Substances
- HeadquartersHampton, NJ
- Founded1983
- Websitecelldex.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($2.3m this quarter). Holder counts are more reliable. Shares outstanding: 47.3m as of 2023-07-31, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $33.93. Options: 8 managers hold calls ($4.2m notional), 11 hold puts ($4.9m).
Trends to Q2 2023
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 161 |
| Q4 2022 | 168 |
| Q1 2023 | 163 |
| Q2 2023 | 152 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q4 2022 | 74 | 75 |
| Q1 2023 | 73 | 80 |
| Q2 2023 | 76 | 72 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2022 | $21.5m | $10.1m | 0.47 |
| Q4 2022 | $35.1m | $17.1m | 0.49 |
| Q1 2023 | $19.4m | $8.2m | 0.42 |
| Q2 2023 | $4.2m | $4.9m | 1.17 |
Biggest buyers
| Kynam Capital Management, LP | Added | +1.2m |
| PICTET ASSET MANAGEMENT SA | Added | +1.0m |
| Point72 Asset Management, L.P. | Added | +955.3k |
| WELLINGTON MANAGEMENT GROUP LLP | Added | +949.8k |
| STATE STREET CORP | Added | +424.8k |
| RTW INVESTMENTS, LP | Added | +379.0k |
| 5AM Venture Management, LLC | New | +310.3k |
| SPHERA FUNDS MANAGEMENT LTD. | New | +160.0k |
| Polar Capital Holdings Plc | Added | +148.8k |
| Commodore Capital LP | Added | +135.8k |
Biggest sellers
| FMR LLC | Reduced | -7.1m |
| RA CAPITAL MANAGEMENT, L.P. | Sold out | -1.7m |
| CITADEL ADVISORS LLC | Reduced | -1.2m |
| MORGAN STANLEY | Reduced | -355.3k |
| JENNISON ASSOCIATES LLC | Reduced | -253.0k |
| PRICE T ROWE ASSOCIATES INC /MD/ | Reduced | -235.0k |
| Sofinnova Investments, Inc. | Reduced | -221.6k |
| FRED ALGER MANAGEMENT, LLC | Reduced | -199.0k |
| Redmile Group, LLC | Reduced | -183.7k |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | Sold out | -125.3k |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $2.9m85.4k shares |
| CITADEL ADVISORS LLC | Reduced | $641.3k18.9k shares |
| GROUP ONE TRADING LLC | Reduced | $380.0k11.2k shares |
| SIMPLEX TRADING, LLC | Reduced | $217.0k6.4k shares |
| Walleye Trading LLC | New | $50.9k1.5k shares |
| Walleye Capital LLC | New | $6.8k200 shares |
| Cutler Group LLC / CA | Added | $1.0k600 shares |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | Unchanged | $00 shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $2.2m64.4k shares |
| CITADEL ADVISORS LLC | Added | $909.3k26.8k shares |
| WOLVERINE TRADING, LLC | New | $491.0k14.2k shares |
| JANE STREET GROUP, LLC | New | $454.7k13.4k shares |
| GROUP ONE TRADING LLC | Added | $430.9k12.7k shares |
| SIMPLEX TRADING, LLC | Added | $298.0k8.8k shares |
| Walleye Trading LLC | New | $54.3k1.6k shares |
| Walleye Capital LLC | New | $37.3k1.1k shares |
| Cutler Group LLC / CA | Added | $22.0k3.1k shares |
| Creative Planning | Unchanged | $4.7k9.0k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| WELLINGTON MANAGEMENT GROUP LLP 13G · institution +1.1 pts · filed 2026-02-10 | 12.2% |
| FMR LLC 13G · institution +5.1 pts · filed 2026-10-07 | 10.7% |
| BlackRock, Inc. 13G · institution -1.0 pts · filed 2025-04-17 | 7.3% |
| Kynam Capital Management, LP 13G · institution -2.0 pts · filed 2026-08-14 | 6.8% |
| PRICE T ROWE ASSOCIATES INC /MD/ 13G · institution +2.4 pts · filed 2026-08-14 | 6.0% |
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-29 | 5.2% |
Fell to 5% or below in the last year: Bellevue Group AG (1.5%, 2026-05-15), STATE STREET CORP (4.2%, 2026-05-12), VANGUARD GROUP INC (0.0%, 2026-03-26; now reported by VANGUARD CAPITAL MANAGEMENT LLC), Point72 Asset Management, L.P. (2.6%, 2026-03-10)
Insider purchases and sales in Q2 2023
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q3 2021 | 0 | — | 0 | — | — |
| Q4 2021 | 0 | — | 5 | $2.0m | — |
| Q1 2022 | 0 | — | 0 | — | — |
| Q2 2022 | 0 | — | 0 | — | — |
| Q3 2022 | 0 | — | 5 | $7.7m | — |
| Q4 2022 | 0 | — | 1 | $622.6k | — |
| Q1 2023 | 0 | — | 0 | — | — |
| Q2 2023 | 0 | — | 0 | — | — |
None reported in Q2 2023.
Holders, Q2 2023
| Manager | Shares | Change |
|---|---|---|
| FMR LLC 0.02% of their portfolio | 7.1m $240.5m | Reduced -7.1m |
| WELLINGTON MANAGEMENT GROUP LLP 0.03% of their portfolio | 5.1m $174.1m | Added +949.8k |
| RTW INVESTMENTS, LP 2.24% of their portfolio | 3.5m $117.5m | Added +379.0k |
| BlackRock Inc. 0.00% of their portfolio | 3.2m $109.3m | Reduced -28.7k |
| STATE STREET CORP 0.00% of their portfolio | 2.7m $92.5m | Added +424.8k |
| Kynam Capital Management, LP 13.52% of their portfolio | 2.6m $88.2m | Added +1.2m |
| VANGUARD GROUP INC 0.00% of their portfolio | 2.6m $88.1m | Added +49.2k |
| Polar Capital Holdings Plc 0.56% of their portfolio | 2.4m $82.0m | Added +148.8k |
| Bellevue Group AG 0.87% of their portfolio | 1.8m $61.1m | Unchanged |
| PICTET ASSET MANAGEMENT SA 0.07% of their portfolio | 1.8m $60.9m | Added +1.0m |
| Redmile Group, LLC 2.21% of their portfolio | 1.7m $57.5m | Reduced -183.7k |
| EVENTIDE ASSET MANAGEMENT, LLC 0.79% of their portfolio | 1.4m $46.7m | Unchanged |
| JENNISON ASSOCIATES LLC 0.04% of their portfolio | 1.3m $45.1m | Reduced -253.0k |
| Point72 Asset Management, L.P. 0.14% of their portfolio | 1.2m $40.2m | Added +955.3k |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 965.1k $32.7m | Added +39.4k |
| Eversept Partners, LP 2.82% of their portfolio | 785.7k $26.7m | Added +96.1k |
| Octagon Capital Advisors LP 3.60% of their portfolio | 759.9k $25.8m | Unchanged |
| Commodore Capital LP 2.41% of their portfolio | 631.7k $21.4m | Added +135.8k |
| Candriam S.C.A. 0.13% of their portfolio | 550.5k $18.7m | Reduced -45.0k |
| NORTHERN TRUST CORP 0.00% of their portfolio | 487.8k $16.5m | Added +7.2k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 478.6k $16.2m | Reduced -235.0k |
| DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio | 453.6k $15.4m | Reduced -45.1k |
| GOLDMAN SACHS GROUP INC 0.00% of their portfolio | 442.9k $15.0m | Added +82.7k |
| Rock Springs Capital Management LP 0.34% of their portfolio | 421.6k $14.3m | Added +111 |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 354.9k $12.0m | Reduced -6.6k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 350.7k $11.9m | Added +4.0k |
| 5AM Venture Management, LLC 2.62% of their portfolio | 310.3k $10.5m | New |
| MARSHALL WACE, LLP 0.02% of their portfolio | 289.5k $9.8m | Reduced -44.1k |
| TSP Capital Management Group, LLC 3.08% of their portfolio | 251.9k $8.5m | Reduced -500 |
| Rafferty Asset Management, LLC 0.04% of their portfolio | 205.5k $7.0m | Added +59.8k |
| Sofinnova Investments, Inc. 0.44% of their portfolio | 197.8k $6.7m | Reduced -221.6k |
| BARCLAYS PLC 0.00% of their portfolio | 172.1k $5.8m | Added +63.1k |
| FRED ALGER MANAGEMENT, LLC 0.03% of their portfolio | 165.3k $5.6m | Reduced -199.0k |
| Bank of New York Mellon Corp 0.00% of their portfolio | 161.7k $5.5m | Reduced -3.3k |
| AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio | 160.8k $5.5m | Reduced -4.9k |
| SPHERA FUNDS MANAGEMENT LTD. 1.16% of their portfolio | 160.0k $5.4m | New |
| MORGAN STANLEY 0.00% of their portfolio | 137.8k $4.7m | Reduced -355.3k |
| ACUTA CAPITAL PARTNERS, LLC 2.81% of their portfolio | 122.3k $4.2m | Added +843 |
| Walleye Capital LLC 0.07% of their portfolio | 121.3k $4.1m | Added +51.4k |
| Nuveen Asset Management, LLC 0.00% of their portfolio | 121.0k $4.1m | Added +420 |
| AXA S.A. 0.01% of their portfolio | 114.1k $3.9m | Added +1.6k |
| Mirador Capital Partners LP 0.84% of their portfolio | 104.7k $3.6m | Added +3.8k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 99.8k $3.4m | Added +28.2k |
| Ensign Peak Advisors, Inc 0.01% of their portfolio | 92.1k $3.1m | Unchanged |
| CITADEL ADVISORS LLC 0.00% of their portfolio | 90.8k $3.1m | Reduced -1.2m |
| Swiss National Bank 0.00% of their portfolio | 87.4k $3.0m | Added +6.0k |
| KENNEDY CAPITAL MANAGEMENT LLC 0.07% of their portfolio | 87.2k $3.0m | Added +5.9k |
| Affinity Asset Advisors, LLC 1.16% of their portfolio | 87.0k $3.0m | Added +37.0k |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 73.6k $2.5m | Reduced -371 |
| CITIGROUP INC 0.00% of their portfolio | 70.8k $2.4m | Reduced -47.1k |
| Qube Research & Technologies Ltd 0.01% of their portfolio | 68.8k $2.3m | Added +6.9k |
| PRUDENTIAL FINANCIAL INC 0.00% of their portfolio | 57.6k $2.0m | Reduced -37.0k |
| Woodline Partners LP 0.02% of their portfolio | 54.5k $1.8m | Reduced -972 |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 54.1k $1.8m | Added +20.5k |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 52.2k $1.8m | Added +10.3k |
| CREDIT SUISSE AG/ 0.00% of their portfolio | 50.9k $1.7m | Added +14.6k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 50.8k $1.7m | Added +611 |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 50.8k $1.7m | Reduced -40.8k |
| INTERNATIONAL BIOTECHNOLOGY TRUST PLC 0.50% of their portfolio | 48.1k $1.6m | New |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio | 45.2k $1.5m | Reduced -15.9k |
| Crestline Management, L.P. 0.15% of their portfolio | 41.7k $1.4m | Added +11.5k |
| ALGERT GLOBAL LLC 0.06% of their portfolio | 39.5k $1.3m | Added +15.8k |
| PROFUND ADVISORS LLC 0.07% of their portfolio | 37.4k $1.3m | Added +10.0k |
| Legal & General Group Plc 0.00% of their portfolio | 37.0k $1.3m | Added +18.1k |
| ALPS ADVISORS INC 0.01% of their portfolio | 34.7k $1.2m | Added +3.6k |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 34.0k $1.2m | Reduced -11.1k |
| ClariVest Asset Management LLC 0.06% of their portfolio | 33.9k $1.2m | Reduced -26.1k |
| STATE OF WISCONSIN INVESTMENT BOARD 0.00% of their portfolio | 33.2k $1.1m | Reduced -4.7k |
| TD Asset Management Inc 0.00% of their portfolio | 32.5k $1.1m | Reduced -13.3k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 31.7k $1.1m | Unchanged |
| GROUP ONE TRADING LLC 0.05% of their portfolio | 31.4k $1.1m | Added +11.2k |
| D. E. Shaw & Co., Inc. 0.00% of their portfolio | 29.1k $986.8k | Added +2.5k |
| Invesco Ltd. 0.00% of their portfolio | 28.9k $980.9k | Reduced -66.2k |
| TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY 0.01% of their portfolio | 28.8k $978.0k | Added +6.1k |
| Mirae Asset Global Investments Co., Ltd. 0.00% of their portfolio | 27.0k $921.6k | Added +1.5k |
| JANE STREET GROUP, LLC 0.00% of their portfolio | 25.0k $846.8k | Reduced -42.9k |
| HighVista Strategies LLC 0.38% of their portfolio | 24.7k $839.5k | Unchanged |
| MetLife Investment Management, LLC 0.01% of their portfolio | 24.1k $816.8k | Added +349 |
| TUDOR INVESTMENT CORP ET AL 0.01% of their portfolio | 23.7k $803.3k | Reduced -3.6k |
| FRANKLIN RESOURCES INC 0.00% of their portfolio | 23.0k $780.5k | New |
| NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio | 23.0k $779.0k | Reduced -4.6k |
| AMERICAN INTERNATIONAL GROUP, INC. 0.00% of their portfolio | 22.4k $758.8k | Added +245 |
| MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio | 20.7k $703.7k | New |
| Fisher Asset Management, LLC 0.00% of their portfolio | 20.5k $696.9k | Unchanged |
| Creative Planning 0.00% of their portfolio | 20.3k $687.8k | Added +13 |
| TWO SIGMA INVESTMENTS, LP 0.00% of their portfolio | 18.4k $625.1k | Reduced -6.7k |
| VOYA INVESTMENT MANAGEMENT LLC 0.00% of their portfolio | 18.4k $624.1k | Added +912 |
| TWINBEECH CAPITAL LP 0.01% of their portfolio | 18.4k $623.5k | Reduced -25.7k |
| JANUS HENDERSON GROUP PLC 0.00% of their portfolio | 17.0k $577.1k | Reduced -25 |
| LOS ANGELES CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 16.0k $543.8k | New |
| GSA CAPITAL PARTNERS LLP 0.05% of their portfolio | 15.3k $520.0k | Reduced -9.6k |
| AlphaCentric Advisors LLC 0.28% of their portfolio | 15.0k $508.9k | Unchanged |
| Soleus Capital Management, L.P. 0.05% of their portfolio | 13.6k $461.4k | New |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.00% of their portfolio | 13.2k $447.4k | Added +3.6k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio | 12.9k $437.2k | Reduced -48.5k |
| Squarepoint Ops LLC 0.00% of their portfolio | 11.7k $397.6k | New |
| Cubist Systematic Strategies, LLC 0.00% of their portfolio | 11.5k $388.8k | Added +8.7k |
| PRINCIPAL FINANCIAL GROUP INC 0.00% of their portfolio | 11.4k $385.1k | Reduced -696 |
| ARIZONA STATE RETIREMENT SYSTEM 0.00% of their portfolio | 11.3k $382.4k | Added +354 |
| E Fund Management Co., Ltd. 0.03% of their portfolio | 11.1k $375.0k | Added +2.8k |