Boxer Capital Management, LLC 13F holdings, Q4 2025
Holdings as of December 31, 2025 · filings on SEC EDGAR · latest filing →
Boxer Capital Management, LLC disclosed 45 US equity positions worth $456.9m in its Q4 2025 13F filing. The largest position was TNGX at 21.1% of the reported book, followed by RVMD and KOD. Against the Q3 2025 filing, it opened 15 new positions, added to 14 and reduced 8 among the top 45 holdings.
What did Boxer Capital Management, LLC own in Q4 2025? Top 45 positions
| # | Stock | Sector | Weight | Value | Shares | Δ shares | vs Q3 2025 |
|---|---|---|---|---|---|---|---|
| 1 | TNGX TANGO THERAPEUTICS INC | Healthcare | 21.1% | $96.4m | 10,876,219 | 11% | added |
| 2 | RVMD REVOLUTION MEDICINES INC | Healthcare | 7.0% | $31.9m | 400,000 | 0% | held |
| 3 | KOD KODIAK SCIENCES INC | Healthcare | 7.0% | $31.8m | 1,136,000 | 51% | added |
| 4 | KYMR KYMERA THERAPEUTICS INC | Healthcare | 5.6% | $25.6m | 329,100 | 3% | added |
| 5 | CELC CELCUITY INC | Healthcare | 4.9% | $22.4m | 225,000 | 150% | added |
| 6 | ABVX ABIVAX SA | 3.7% | $16.9m | 125,000 | 4% | added | |
| 7 | PTCT PTC THERAPEUTICS INC | Healthcare | 3.3% | $15.2m | 200,000 | 0% | held |
| 8 | 430 TERNS PHARMACEUTICALS INC | 3.3% | $15.2m | 375,000 | – | new | |
| 9 | PTGX PROTAGONIST THERAPEUTICS INC | Healthcare | 3.2% | $14.8m | 170,000 | 55% | added |
| 10 | PRAX PRAXIS PRECISION MEDICINES I | Healthcare | 3.0% | $13.7m | 46,457 | – | new |
| 11 | URGN UROGEN PHARMA LTD | Healthcare | 2.6% | $11.7m | 500,000 | -13% | reduced |
| 12 | CDTX CIDARA THERAPEUTICS INC | 2.6% | $11.7m | 53,000 | 10% | added | |
| 13 | PALI PALISADE BIO INC | Healthcare | 2.5% | $11.3m | 4,799,875 | – | new |
| 14 | AMLX AMYLYX PHARMACEUTICALS INC | Healthcare | 2.1% | $9.7m | 800,000 | -11% | reduced |
| 15 | SRZN SURROZEN INC | 2.1% | $9.4m | 416,150 | – | new | |
| 16 | CAPR CAPRICOR THERAPEUTICS INC | Healthcare | 2.1% | $9.4m | 325,000 | – | new |
| 17 | BRD1EUR MIND MEDICINE MINDMED INC | 1.8% | $8.0m | 598,500 | 266% | added | |
| 18 | COGT COGENT BIOSCIENCES INC | Healthcare | 1.7% | $8.0m | 225,000 | – | new |
| 19 | REPL REPLIMUNE GROUP INC | Healthcare | 1.6% | $7.3m | 750,000 | -29% | reduced |
| 20 | QURE UNIQURE NV | 1.5% | $6.9m | 290,000 | -64% | reduced | |
| 21 | CYTK CYTOKINETICS INC | Healthcare | 1.4% | $6.4m | 100,000 | -50% | reduced |
| 22 | HELP CYBIN INC | 1.3% | $5.8m | 715,000 | – | new | |
| 23 | PGEN PRECIGEN INC | Healthcare | 1.3% | $5.7m | 1,375,000 | 62% | added |
| 24 | CTNM CONTINEUM THERAPEUTICS INC | 1.2% | $5.6m | 494,000 | – | new | |
| 25 | CBIO CRESCENT BIOPHARMA INC. | 1.2% | $5.4m | 453,686 | 0% | held | |
| 26 | APGE APOGEE THERAPEUTICS INC | Healthcare | 1.2% | $5.3m | 70,000 | 40% | added |
| 27 | GPCR STRUCTURE THERAPEUTICS INC | Healthcare | 1.1% | $5.2m | 75,000 | – | new |
| 28 | AVTX AVALO THERAPEUTICS INC | Healthcare | 1.1% | $5.0m | 275,000 | 120% | added |
| 29 | INO INOVIO PHARMACEUTICALS INC | 0.9% | $4.2m | 2,420,122 | 5% | added | |
| 30 | UPB UPSTREAM BIO INC | 0.9% | $4.1m | 150,000 | – | new | |
| 31 | VIR VIR BIOTECHNOLOGY INC | Healthcare | 0.8% | $3.8m | 625,000 | – | new |
| 32 | IVVD INVIVYD INC | Healthcare | 0.8% | $3.7m | 1,500,000 | – | new |
| 33 | MLTX MOONLAKE IMMUNOTHERAPEUTICS | Healthcare | 0.8% | $3.6m | 275,000 | 10% | added |
| 34 | SRPT SAREPTA THERAPEUTICS INC | Healthcare | 0.7% | $3.2m | 150,000 | -40% | reduced |
| 35 | PEPG PEPGEN INC | Healthcare | 0.5% | $2.4m | 373,892 | 50% | added |
| 36 | NRIX NURIX THERAPEUTICS INC | Healthcare | 0.4% | $1.9m | 100,000 | -43% | reduced |
| 37 | KPTI KARYOPHARM THERAPEUTICS INC | 0.4% | $1.9m | 252,536 | – | new | |
| 38 | SLDB SOLID BIOSCIENCES INC | Healthcare | 0.4% | $1.7m | 300,000 | -50% | reduced |
| 39 | LB PHARMACEUTICALS INC | 0.3% | $1.6m | 70,000 | 0% | held | |
| 40 | MIST MILESTONE PHARMACEUTICALS IN | 0.3% | $1.3m | 666,666 | 0% | held | |
| 41 | CLNN CLENE INC | 0.3% | $1.2m | 199,737 | – | new | |
| 42 | 4XC1 KALVISTA PHARMACEUTICALS INC | 0.1% | $329.5k | 20,400 | 0% | held | |
| 43 | ZURA ZURA BIO LTD | Healthcare | 0.1% | $262.0k | 50,000 | – | new |
| 44 | NUVATION BIO INC | 0.0% | $88.0k | 266,666 | 0% | held | |
| 45 | SURROZEN INC | 0.0% | $1.3k | 66,666 | 0% | held |
Weights are shares of the reported long US equity book (options excluded). Values are as filed, normalised to whole dollars. Share changes compare against the immediately preceding filing only.