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 ($5.4m this quarter). Holder counts are more reliable. Shares outstanding: 47.2m as of 2023-02-13, 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 ≈ $44.57. Options: 15 managers hold calls ($35.1m notional), 12 hold puts ($17.1m).
Trends to Q4 2022
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 161 |
| Q4 2022 | 168 |
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 |
Biggest buyers
| WELLINGTON MANAGEMENT GROUP LLP | Added | +1.6m |
| Point72 Asset Management, L.P. | Added | +370.8k |
| JENNISON ASSOCIATES LLC | Added | +281.3k |
| TSP Capital Management Group, LLC | New | +269.9k |
| Polar Capital Holdings Plc | Added | +101.1k |
| BlackRock Inc. | Added | +94.3k |
| PRICE T ROWE ASSOCIATES INC /MD/ | Added | +87.0k |
| UBS Group AG | Added | +82.3k |
| Ensign Peak Advisors, Inc | Added | +81.4k |
| FRED ALGER MANAGEMENT, LLC | Added | +77.2k |
Biggest sellers
| STATE STREET CORP | Reduced | -880.1k |
| CITADEL ADVISORS LLC | Reduced | -740.8k |
| EVENTIDE ASSET MANAGEMENT, LLC | Reduced | -328.8k |
| TSP Capital Management Group, LLC | Sold out | -267.3k |
| GOLDMAN SACHS GROUP INC | Reduced | -214.8k |
| AXA S.A. | Reduced | -205.6k |
| GMT Capital Corp | Sold out | -204.5k |
| Vivo Capital, LLC | Sold out | -199.0k |
| Casdin Capital, LLC | Sold out | -165.0k |
| ACUTA CAPITAL PARTNERS, LLC | Reduced | -152.2k |
Biggest calls
| Caption Management, LLC | Unchanged | $8.8m196.9k shares |
| PURA VIDA INVESTMENTS, LLC | Unchanged | $8.8m196.6k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $5.6m125.5k shares |
| Jefferies Financial Group Inc. | New | $4.6m102.7k shares |
| CITADEL ADVISORS LLC | Added | $3.0m67.2k shares |
| GROUP ONE TRADING LLC | Reduced | $1.9m42.2k shares |
| MILLENNIUM MANAGEMENT LLC | New | $891.0k20.0k shares |
| JANE STREET GROUP, LLC | Reduced | $659.6k14.8k shares |
| CITIGROUP INC | Unchanged | $445.7k10.0k shares |
| WOLVERINE TRADING, LLC | New | $259.0k5.8k shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $6.6m148.8k shares |
| JANE STREET GROUP, LLC | Reduced | $3.8m84.4k shares |
| GROUP ONE TRADING LLC | Added | $3.6m80.1k shares |
| CITADEL ADVISORS LLC | Added | $1.1m25.2k shares |
| SIMPLEX TRADING, LLC | Added | $913.0k20.5k shares |
| Jefferies Financial Group Inc. | New | $713.1k16.0k shares |
| WOLVERINE TRADING, LLC | New | $236.0k5.3k shares |
| Walleye Trading LLC | Added | $120.3k2.7k shares |
| Walleye Capital LLC | New | $17.8k400 shares |
| Cutler Group LLC / CA | Reduced | $3.0k7.2k 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 Q4 2022
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 |
|---|---|---|---|---|---|
| Q1 2021 | 0 | — | 0 | — | — |
| Q2 2021 | 0 | — | 0 | — | — |
| 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 | — |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2022-12-07 | KELER TIBOR EXECUTIVE VP & CSO | Sold | $622.6k16.9k shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q4 2022
| Manager | Shares | Change |
|---|---|---|
| FMR LLC 0.03% of their portfolio | 7.1m $314.9m | Added +49.1k |
| WELLINGTON MANAGEMENT GROUP LLP 0.04% of their portfolio | 4.6m $207.2m | Added +1.6m |
| BlackRock Inc. 0.00% of their portfolio | 3.2m $143.7m | Added +94.3k |
| RTW INVESTMENTS, LP 2.81% of their portfolio | 3.1m $137.5m | Unchanged |
| VANGUARD GROUP INC 0.00% of their portfolio | 2.5m $112.0m | Added +38.2k |
| STATE STREET CORP 0.01% of their portfolio | 2.3m $102.1m | Reduced -880.1k |
| RA CAPITAL MANAGEMENT, L.P. 1.88% of their portfolio | 2.1m $92.5m | Unchanged |
| Redmile Group, LLC 3.61% of their portfolio | 2.0m $88.1m | Reduced -7.7k |
| Bellevue Group AG 1.06% of their portfolio | 1.8m $80.2m | Unchanged |
| Kynam Capital Management, LP 10.98% of their portfolio | 1.6m $71.6m | Added +5.3k |
| JENNISON ASSOCIATES LLC 0.07% of their portfolio | 1.6m $69.3m | Added +281.3k |
| Polar Capital Holdings Plc 0.55% of their portfolio | 1.6m $69.1m | Added +101.1k |
| EVENTIDE ASSET MANAGEMENT, LLC 1.29% of their portfolio | 1.5m $65.2m | Reduced -328.8k |
| GEODE CAPITAL MANAGEMENT, LLC 0.01% of their portfolio | 883.5k $39.4m | Added +30.8k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.01% of their portfolio | 833.0k $37.1m | Added +87.0k |
| Octagon Capital Advisors LP 5.28% of their portfolio | 761.4k $33.9m | Unchanged |
| CITADEL ADVISORS LLC 0.04% of their portfolio | 760.3k $33.9m | Reduced -740.8k |
| MARSHALL WACE, LLP 0.08% of their portfolio | 666.7k $29.7m | Added +14.0k |
| Eversept Partners, LP 2.41% of their portfolio | 558.8k $24.9m | Reduced -67.6k |
| FRED ALGER MANAGEMENT, LLC 0.13% of their portfolio | 520.9k $23.2m | Added +77.2k |
| Point72 Asset Management, L.P. 0.09% of their portfolio | 505.8k $22.5m | Added +370.8k |
| DIMENSIONAL FUND ADVISORS LP 0.01% of their portfolio | 501.1k $22.3m | Reduced -33.4k |
| Commodore Capital LP 3.33% of their portfolio | 495.8k $22.1m | Reduced -43.0k |
| Candriam S.C.A. 0.15% of their portfolio | 488.5k $21.8m | Added +70.0k |
| GOLDMAN SACHS GROUP INC 0.01% of their portfolio | 449.6k $20.0m | Reduced -214.8k |
| NORTHERN TRUST CORP 0.00% of their portfolio | 434.6k $19.4m | Added +12.4k |
| Rock Springs Capital Management LP 0.45% of their portfolio | 421.5k $18.8m | Reduced -100 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.01% of their portfolio | 348.3k $15.5m | Added +10.7k |
| TSP Capital Management Group, LLC 4.50% of their portfolio | 269.9k $12.0m | New |
| Ikarian Capital, LLC 4.95% of their portfolio | 267.5k $11.9m | Reduced -50.0k |
| Sessa Capital IM, L.P. 0.58% of their portfolio | 212.0k $9.4m | Unchanged |
| MORGAN STANLEY 0.00% of their portfolio | 203.7k $9.1m | Added +306 |
| AMERICAN CENTURY COMPANIES INC 0.01% of their portfolio | 198.0k $8.8m | Added +2.4k |
| Tri Locum Partners LP 3.47% of their portfolio | 176.1k $7.8m | Reduced -62.5k |
| Bank of New York Mellon Corp 0.00% of their portfolio | 169.0k $7.5m | Added +6.2k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 153.3k $6.8m | Added +22.3k |
| Rafferty Asset Management, LLC 0.05% of their portfolio | 143.3k $6.4m | Reduced -64.4k |
| Nuveen Asset Management, LLC 0.00% of their portfolio | 130.4k $5.8m | Reduced -19.2k |
| UBS Group AG 0.00% of their portfolio | 119.2k $5.3m | Added +82.3k |
| BARCLAYS PLC 0.00% of their portfolio | 116.5k $5.2m | First filing |
| ACUTA CAPITAL PARTNERS, LLC 3.15% of their portfolio | 115.0k $5.1m | Reduced -152.2k |
| PRUDENTIAL FINANCIAL INC 0.01% of their portfolio | 114.6k $5.1m | Added +33.0k |
| AXA S.A. 0.02% of their portfolio | 112.8k $5.0m | Reduced -205.6k |
| Affinity Asset Advisors, LLC 2.25% of their portfolio | 110.0k $4.9m | Added +30.0k |
| Mirador Capital Partners LP 1.11% of their portfolio | 105.6k $4.7m | Reduced -1.6k |
| Ensign Peak Advisors, Inc 0.01% of their portfolio | 92.1k $4.1m | Added +81.4k |
| Swiss National Bank 0.00% of their portfolio | 90.3k $4.0m | Added +2.1k |
| Walleye Capital LLC 0.08% of their portfolio | 85.3k $3.8m | Reduced -86.6k |
| KENNEDY CAPITAL MANAGEMENT LLC 0.10% of their portfolio | 81.3k $3.6m | Reduced -31 |
| Invesco Ltd. 0.00% of their portfolio | 76.5k $3.4m | Added +59.5k |
| ClariVest Asset Management LLC 0.16% of their portfolio | 72.3k $3.2m | Reduced -583 |
| Global IMC LLC 0.83% of their portfolio | 72.1k $3.2m | New |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 71.9k $3.2m | Added +1.5k |
| HRT FINANCIAL LP 0.05% of their portfolio | 69.8k $3.1m | New |
| TWO SIGMA ADVISERS, LP 0.01% of their portfolio | 66.6k $3.0m | Reduced -53.5k |
| CITIGROUP INC 0.00% of their portfolio | 63.5k $2.8m | Reduced -125.9k |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio | 58.7k $2.6m | Added +4.2k |
| Connor, Clark & Lunn Investment Management Ltd. 0.01% of their portfolio | 57.9k $2.6m | Reduced -22.7k |
| Informed Momentum Co LLC 0.52% of their portfolio | 56.2k $2.5m | New |
| TD Asset Management Inc 0.00% of their portfolio | 55.3k $2.5m | Added +7.6k |
| SILVERARC CAPITAL MANAGEMENT, LLC 0.84% of their portfolio | 54.7k $2.4m | Added +1.4k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio | 53.2k $2.4m | Reduced -88.4k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 50.8k $2.3m | Added +545 |
| MOORE CAPITAL MANAGEMENT, LP 0.06% of their portfolio | 50.0k $2.2m | Added +20.0k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 48.1k $2.1m | Added +5.2k |
| Monarch Partners Asset Management LLC 0.60% of their portfolio | 45.5k $2.0m | New |
| JANE STREET GROUP, LLC 0.00% of their portfolio | 43.2k $1.9m | Added +9.9k |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 41.9k $1.9m | Unchanged |
| STATE OF WISCONSIN INVESTMENT BOARD 0.01% of their portfolio | 37.6k $1.7m | Reduced -414 |
| Crestline Management, L.P. 0.24% of their portfolio | 36.4k $1.6m | Reduced -3.6k |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 36.3k $1.6m | Added +2.8k |
| Ergoteles LLC 0.06% of their portfolio | 36.0k $1.6m | New |
| BNP PARIBAS FINANCIAL MARKETS 0.00% of their portfolio | 35.9k $1.6m | Reduced -38.9k |
| MILLENNIUM MANAGEMENT LLC 0.00% of their portfolio | 34.4k $1.5m | New |
| CREDIT SUISSE AG/ 0.00% of their portfolio | 33.8k $1.5m | Reduced -341 |
| Qube Research & Technologies Ltd 0.01% of their portfolio | 33.7k $1.5m | Added +26.2k |
| NEW YORK STATE COMMON RETIREMENT FUND 0.00% of their portfolio | 32.7k $1.5m | Reduced -40 |
| ALPS ADVISORS INC 0.01% of their portfolio | 31.9k $1.4m | Added +6.4k |
| BOOTHBAY FUND MANAGEMENT, LLC 0.04% of their portfolio | 31.3k $1.4m | Reduced -5.8k |
| D. E. Shaw & Co., Inc. 0.00% of their portfolio | 30.5k $1.4m | Reduced -78.2k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 30.2k $1.3m | Unchanged |
| Fisher Asset Management, LLC 0.00% of their portfolio | 29.0k $1.3m | Reduced -4.9k |
| BANK OF MONTREAL /CAN/ 0.00% of their portfolio | 28.9k $1.3m | New |
| HighVista Strategies LLC 0.65% of their portfolio | 24.7k $1.1m | Reduced -684 |
| MetLife Investment Management, LLC 0.01% of their portfolio | 24.6k $1.1m | Reduced -583 |
| Jefferies Financial Group Inc. 0.02% of their portfolio | 23.0k $1.0m | New |
| TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY 0.01% of their portfolio | 22.7k $1.0m | Reduced -6.6k |
| AMERICAN INTERNATIONAL GROUP, INC. 0.01% of their portfolio | 21.7k $966.1k | Reduced -79 |
| Jump Financial, LLC 0.05% of their portfolio | 21.3k $947.2k | New |
| TANG CAPITAL MANAGEMENT LLC 0.14% of their portfolio | 21.2k $944.5k | Reduced -139.0k |
| Creative Planning 0.00% of their portfolio | 20.1k $898.0k | Added +343 |
| Mirae Asset Global Investments Co., Ltd. 0.00% of their portfolio | 19.5k $870.4k | Unchanged |
| VOYA INVESTMENT MANAGEMENT LLC 0.00% of their portfolio | 17.6k $785.8k | Unchanged |
| Legal & General Group Plc 0.00% of their portfolio | 17.2k $767.3k | Added +360 |
| Gyon Technologies Capital Management, LP 0.28% of their portfolio | 16.8k $750.3k | Added +5.9k |
| AlphaCentric Advisors LLC 0.66% of their portfolio | 15.0k $668.5k | Reduced -2.0k |
| Schonfeld Strategic Advisors LLC 0.01% of their portfolio | 14.3k $635.8k | New |
| SIMPLEX TRADING, LLC 0.03% of their portfolio | 12.1k $539.0k | Added +3.2k |
| TEACHER RETIREMENT SYSTEM OF TEXAS 0.00% of their portfolio | 11.2k $498.0k | Reduced -1.1k |
| PRINCIPAL FINANCIAL GROUP INC 0.00% of their portfolio | 10.7k $474.8k | Added +108 |