Celldex Therapeutics, Inc. 13F holders
253 funds reported a position in Celldex Therapeutics, Inc. in their 13F for the quarter ended 30 June 2026, together 85.8 million shares worth $3.19 billion. Against the quarter before, 42 opened a position, 105 added, 57 trimmed and 21 sold out; together they bought a net 11.5 million shares. The largest holders: Wellington Management Group LLP, BlackRock, Inc. and Kynam Capital Management, LP.
Funds holding253+25 on Q1 2026
Shares they held85.8Mworth $3.19 billion
Net bought on the quarter11.5M sharesabout $429.0 million at the funds' values
Funds buying to selling147 to 78opened or added, to cut or sold
Opened 42Added 105Held 46Trimmed 57Sold out 21
What each fund did in CLDX against its 13F for the quarter before; a change under 0.1% of a holding counts as held
Funds reporting a position in CLDX in their 13F, each quarter; hover a bar for the shares they held
Filed so far for the quarter to 30 September 2026
2,671 funds have filed their 13F for the quarter so far; the rest are due by 16 November 2026. Of those, 30 reported a position in Celldex Therapeutics, Inc.: 2 opened one, 9 added, 2 trimmed and 4 sold out, a net 1.1 million shares sold.
| Fund | Change in shares | Shares now | Status | Filing |
|---|---|---|---|---|
| Assenagon Asset Management S.A. | -1,132,470 | 444,922 | trimmed | 13F |
| Y-Intercept (Hong Kong) Ltd | +43,719 | 75,976 | added | 13F |
| Ellsworth Advisors, LLC | +29,572 | 29,572 | new | 13F |
| Mirador Capital Partners LP | +12,213 | 193,267 | added | 13F |
| Values First Advisors, Inc. | +10,483 | 10,483 | new | 13F |
| Sterling Capital Management LLC | +1,854 | 2,376 | added | 13F |
| Hennion & Walsh Asset Management, Inc. | +681 | 47,794 | added | 13F |
| Abel Hall, LLC | +399 | 6,237 | added | 13F |
| Gamma Investing LLC | +341 | 697 | added | 13F |
| SJS Investment Consulting Inc. | +180 | 231 | added | 13F |
| Nisa Investment Advisors, LLC | +170 | 2,415 | added | 13F |
| Farther Finance Advisors, LLC | +71 | 287 | added | 13F |
| True Wealth Design, LLC | -6 | 34 | trimmed | 13F |
| PSP Research LLC | -13,000 | 0 | sold out | 13F |
| T3 Companies, LLC | -6,000 | 0 | sold out | 13F |
| Tsfg, LLC | -50 | 0 | sold out | 13F |
| Wealth Enhancement Trust Services, Inc. | -24 | 0 | sold out | 13F |
The largest moves in the name among the funds that have filed, against each fund's previous 13F.
The well-known funds
Of the 44 funds followed here, 5 reported a position in Celldex Therapeutics, Inc. in a 13F for the quarter ended 30 June 2026. The largest: FMR LLC, 3.7 million shares worth $138.5 million, 0.0% of its reported book. Sold out: Citadel Advisors. In the quarter, 2 funds added or opened a position and 4 trimmed or sold out; together they sold a net 2.6 million shares, about $95.4 million at the funds' own value per share on 30 June 2026. A change under 0.1% of a holding counts as held.
| Fund | Shares | Value | Of its book | Change on the quarter | Status | Quarter ended | Filing |
|---|---|---|---|---|---|---|---|
| FMR LLC | 3,722,888 | $138.5 million | 0.0% | -26,160 | trimmed | 30 June 2026 | 13F |
| Geode Capital Management | 2,022,226 | $75.3 million | 0.0% | +334,152 | added | 30 June 2026 | 13F |
| Millennium Management | 1,170,787 | $43.6 million | 0.0% | -82,745 | trimmed | 30 June 2026 | 13F |
| Two Sigma Investments | 661,235 | $24.6 million | 0.0% | +524,220 | added | 30 June 2026 | 13F |
| Point72 Asset Management | 117,217 | $4.4 million | 0.0% | -3,112,722 | trimmed | 30 June 2026 | 13F |
| Citadel Advisors | 0 | $0 | 0.0% | -200,612 | exited | 30 June 2026 | 13F |
Value is what the fund reported.
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Change is shares against the fund's previous 13F; a fund with one filing read shows no change. 13Fs cover long US positions of managers above $100 million and are filed up to 45 days after the quarter.The largest holders
| Fund | Shares | Share of all | Value | Of its book | Change in shares | Filing |
|---|---|---|---|---|---|---|
| Wellington Management Group LLP | 9,543,671 | 11.12% | $355.1 million | 0.06% | +983,195 | 13F |
| BlackRock, Inc. | 7,002,530 | 8.16% | $260.6 million | 0.00% | +1,632,645 | 13F |
| Kynam Capital Management, LP | 5,322,908 | 6.20% | $198.1 million | 10.95% | -517,659 | 13F |
| Price T Rowe Associates Inc. | 4,685,223 | 5.46% | $174.3 million | 0.02% | +2,598,891 | 13F |
| State Street Corp. | 3,900,427 | 4.55% | $145.1 million | 0.00% | +1,096,259 | 13F |
| FMR LLC | 3,722,888 | 4.34% | $138.5 million | 0.01% | -26,160 | 13F |
| Vanguard Capital Management LLC | 3,464,831 | 4.04% | $128.9 million | 0.00% | +503,936 | 13F |
| Deep Track Capital, LP | 2,939,151 | 3.43% | $109.4 million | 1.61% | +1,655,172 | 13F |
| Logos Global Management LP | 2,100,000 | 2.45% | $78.1 million | 3.36% | +1,650,000 | 13F |
| Geode Capital Management, LLC | 2,022,226 | 2.36% | $75.3 million | 0.00% | +334,152 | 13F |
| Eversept Partners, LP | 1,785,941 | 2.08% | $66.5 million | 3.62% | -2,075 | 13F |
| Goldman Sachs Group Inc. | 1,615,343 | 1.88% | $60.1 million | 0.01% | +626,927 | 13F |
| Assenagon Asset Management S.A. | 1,577,392 | 1.84% | $58.7 million | 0.04% | 13F | |
| Commodore Capital LP | 1,350,000 | 1.57% | $50.2 million | 2.99% | -1,346,616 | 13F |
| Bellevue Group AG | 1,200,000 | 1.40% | $44.7 million | 0.94% | no change | 13F |
| Baker Bros. Advisors LP | 1,182,611 | 1.38% | $44.0 million | 0.22% | +517,241 | 13F |
| Millennium Management LLC | 1,170,787 | 1.36% | $43.6 million | 0.03% | -82,745 | 13F |
| Dimensional Fund Advisors LP | 1,073,985 | 1.25% | $40.0 million | 0.01% | +14,451 | 13F |
| American Century Companies Inc. | 1,042,395 | 1.21% | $38.8 million | 0.02% | +186,085 | 13F |
| Eventide Asset Management, LLC | 1,037,000 | 1.21% | $38.6 million | 0.52% | no change | 13F |
| Novo Holdings A/s | 1,025,000 | 1.19% | $38.1 million | 2.21% | -175,000 | 13F |
| Elmind Capital, LP | 990,000 | 1.15% | $36.8 million | 9.26% | +125,000 | 13F |
| Driehaus Capital Management LLC | 989,442 | 1.15% | $36.8 million | 0.21% | new | 13F |
| Fisher Asset Management, LLC | 985,677 | 1.15% | $36.7 million | 0.01% | -27,971 | 13F |
| Pictet Asset Management Holding SA | 917,408 | 1.07% | $34.1 million | 0.03% | -6,288 | 13F |
| Foresite Capital Management VI LLC | 879,713 | 1.03% | $32.7 million | 5.09% | +563,800 | 13F |
| Vanguard Portfolio Management LLC | 863,536 | 1.01% | $32.1 million | 0.00% | +234,284 | 13F |
| Northern Trust Corp. | 719,647 | 0.84% | $26.8 million | 0.00% | +142,380 | 13F |
| Woodline Partners LP | 700,830 | 0.82% | $26.1 million | 0.08% | +200,703 | 13F |
| Affinity Asset Advisors, LLC | 700,000 | 0.82% | $26.0 million | 1.29% | +200,000 | 13F |
| Rock Springs Capital Management LP | 699,146 | 0.81% | $26.0 million | 1.27% | +48,876 | 13F |
| Two Sigma Investments, LP | 661,235 | 0.77% | $24.6 million | 0.02% | +524,220 | 13F |
| Charles Schwab Investment Management Inc. | 655,954 | 0.76% | $24.4 million | 0.00% | +110,468 | 13F |
| Algert Global LLC | 647,836 | 0.76% | $24.1 million | 0.29% | +432,677 | 13F |
| ADAR1 Capital Management, LLC | 619,542 | 0.72% | $23.1 million | 1.09% | +191,726 | 13F |
| Bank of America Corp. | 607,195 | 0.71% | $22.6 million | 0.00% | -101,452 | 13F |
| Panagora Asset Management Inc. | 572,538 | 0.67% | $21.3 million | 0.07% | +430,211 | 13F |
| Nuveen, LLC | 568,460 | 0.66% | $21.2 million | 0.01% | +366,511 | 13F |
| Vanguard Fiduciary Trust Co. | 552,973 | 0.64% | $20.6 million | 0.01% | +123,376 | 13F |
| 5AM Venture Management, LLC | 497,270 | 0.58% | $18.5 million | 6.43% | no change | 13F |
| Federated Hermes, Inc. | 492,893 | 0.57% | $18.3 million | 0.03% | new | 13F |
| UBS Group AG | 481,997 | 0.56% | $17.9 million | 0.00% | +185,027 | 13F |
| Candriam S.C.A. | 481,125 | 0.56% | $17.9 million | 0.08% | +202,237 | 13F |
| Ikarian Capital, LLC | 478,500 | 0.56% | $17.8 million | 2.92% | +17,253 | 13F |
| Braidwell LP | 436,646 | 0.51% | $16.2 million | 0.62% | -919,436 | 13F |
| Redmile Group, LLC | 433,921 | 0.51% | $16.1 million | 1.08% | +172,413 | 13F |
| Citigroup Inc. | 404,703 | 0.47% | $15.1 million | 0.01% | +187,368 | 13F |
| Palo Alto Investors LP | 399,856 | 0.47% | $14.9 million | 2.06% | +103,448 | 13F |
| TSP Capital Management Group, LLC | 371,127 | 0.43% | $13.8 million | 3.30% | new | 13F |
| PFM Health Sciences, LP | 342,751 | 0.40% | $12.8 million | 1.11% | +17,794 | 13F |
The 50 largest of the 253 funds that reported a position in CLDX in their 13F for the quarter ended 30 June 2026, by the value each reported.
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Share of all is the fund's part of all the shares the funds reported. Change is shares against the fund's 13F for the quarter before. A 13F lists a manager's long positions in US-listed shares at the quarter's end. What is a 13F?Options the funds reported on CLDX
| Fund | Option | Shares under the options | Value of those shares | Quarter ended | Filing |
|---|---|---|---|---|---|
| Citadel Advisors | Puts | 33,900 | $1.3 million | 30 June 2026 | 13F |
| Citadel Advisors | Calls | 24,000 | $893,040 | 30 June 2026 | 13F |
| Point72 Asset Management | Calls | 1,200 | $44,652 | 30 June 2026 | 13F |
| Point72 Asset Management | Puts | 1,000 | $37,210 | 30 June 2026 | 13F |
A 13F lists calls and puts by the shares they cover and what those shares were worth at the quarter's end, not what the options cost.
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They are not counted in the holdings above. A put gains when the stock falls, a call when it rises, and a fund may hold either to hedge.Schedule 13D and 13G filed on the name, last twelve months
| Filed | Schedule | Who | Holding | Of the class | Event date | Rule or purpose | Filing |
|---|---|---|---|---|---|---|---|
| 7 October 2026 | 13G/A | FMR LLC and 3 others | 8.4 million | 10.7% | 30 September 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 14 August 2026 | 13G/A | Kynam Capital Management, LP and 5 others | 0 | 6.8% | 30 June 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 14 August 2026 | 13G | T. Rowe Price Associates, Inc. and 1 other | 4.7 million | 6.0% | 30 June 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 15 May 2026 | 13G/A | Kynam Capital Management, LP and 5 others | 0 | 8.8% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 15 May 2026 | 13G/A | Bellevue Group AG and 3 others | 1.2 million | 1.5% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 12 May 2026 | 13G | State Street Corporation and 1 other | 2.8 million | 4.2% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 6 May 2026 | 13G/A | FMR LLC and 3 others | 3.7 million | 5.6% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 29 April 2026 | 13G | Vanguard Capital Management and 1 other | 3.4 million | 5.2% | 31 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 26 March 2026 | 13G/A | The Vanguard Group and 1 other | 0 | 0.0% | 13 March 2026 | passive, institutional (13d-1(b)) | EDGAR |
| 10 March 2026 | 13G/A | Point72 Asset Management, L.P. and 5 others | 1.8 million | 2.6% | 31 December 2025 | passive, under 20% (13d-1(c)) | EDGAR |
| 10 February 2026 | 13G/A | Wellington Management Group LLP and 7 others | 8.1 million | 12.2% | 31 December 2025 | passive, institutional (13d-1(b)) | EDGAR |
| 9 February 2026 | 13G | State Street Corporation and 1 other | 3.4 million | 5.1% | 31 December 2025 | passive, institutional (13d-1(b)) | EDGAR |
| 14 November 2025 | 13G/A | Commodore Capital LP and 3 others | 3.0 million | 4.6% | 30 September 2025 | passive, under 20% (13d-1(c)) | EDGAR |
| 14 November 2025 | 13G | Bellevue Group AG and 3 others | 3.6 million | 5.4% | 18 August 2025 | passive, institutional (13d-1(b)) | EDGAR |
| 14 November 2025 | 13G/A | T. Rowe Price Associates, Inc. and 1 other | 2.4 million | 3.6% | 30 September 2025 | passive, institutional (13d-1(b)) | EDGAR |
| 7 November 2025 | 13G/A | Wellington Management Group LLP and 7 others | 7.4 million | 11.1% | 31 October 2025 | passive, institutional (13d-1(b)) | EDGAR |
A Schedule 13D is filed by anyone who crosses 5% of a class with intent to influence; a 13G by a passive holder.
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Amendments (/A) report a change, including an exit to zero. Holding and percentage are as the filer stated them on the cover page; the purpose is the filer's own words, cut short. 13D and 13GFails to deliver
| Settlement date | Shares failed | Price | File |
|---|---|---|---|
| 30 September 2026 | 2 | $31.64 | SEC |
| 23 September 2026 | 20,161 | $33.51 | SEC |
| 15 September 2026 | 24 | $39.18 | SEC |
| 1 September 2026 | 54,085 | $39.63 | SEC |
| 18 August 2026 | 1,202 | $41.92 | SEC |
Shares that failed to deliver at settlement, per day, from the SEC's half-month files, which arrive about two weeks after the period.