Boxer Capital Management, LLC: 13F holdings, Q2 2026
Hedge fund · SEC EDGAR filings (CIK 2018299) · Explore on the interactive board
Boxer Capital Management, LLC disclosed 63 US equity positions worth $1.3bn in its Q2 2026 13F filing (holdings as of June 30, 2026, filed August 14, 2026). Its largest position is TNGX at 25.6% of the reported book, followed by RVMD, ABVX. The top ten holdings are 65.1% of the book, and the portfolio behaves like about 11 equal-weight positions. Versus the prior filing it opened 12 new positions, added to 17, reduced 1 and exited 3. Note: this manager's most recent filing is 3934 quarters behind the newest quarter on file, so these figures are history rather than current positioning.
What does Boxer Capital Management, LLC own? Top holdings as of June 30, 2026
Change is measured in shares against the previous filing (Q1 2026), so price moves do not read as decisions. This quarter: 12 new, 17 added, 1 reduced, 3 exited.
| # | Stock | Sector | Weight | Value | Shares | Δ shares | Action |
|---|---|---|---|---|---|---|---|
| 1 | TNGX TANGO THERAPEUTICS INC | Healthcare | 25.6% | $340.0m | 10,876,219 | 0% | held |
| 2 | RVMD REVOLUTION MEDICINES INC | Healthcare | 7.1% | $93.6m | 500,000 | 0% | held |
| 3 | ABVX ABIVAX SA | Healthcare | 6.1% | $80.6m | 605,000 | 202% | added |
| 4 | UNIQURE NV | 5.2% | $69.2m | 1,503,300 | 127% | added | |
| 5 | KOD KODIAK SCIENCES INC | Healthcare | 4.3% | $57.6m | 1,477,600 | 9% | added |
| 6 | KYMR KYMERA THERAPEUTICS INC | Healthcare | 3.7% | $49.2m | 429,100 | 30% | added |
| 7 | DFTX DEFINIUM THERAPEUTICS INC | Healthcare | 3.5% | $47.0m | 998,500 | 67% | added |
| 8 | REPL REPLIMUNE GROUP INC | Healthcare | 3.3% | $44.1m | 3,983,000 | 239% | added |
| 9 | CELC CELCUITY INC | Healthcare | 3.3% | $43.6m | 416,530 | 85% | added |
| 10 | QTTB Q32 BIO INC | 3.0% | $40.1m | 3,149,310 | – | new | |
| 11 | CAPR CAPRICOR THERAPEUTICS INC | Healthcare | 2.5% | $33.6m | 1,395,156 | 136% | added |
| 12 | PGEN PRECIGEN INC | Healthcare | 2.2% | $29.4m | 5,150,000 | 47% | added |
| 13 | CORT CORCEPT THERAPEUTICS INC | Healthcare | 2.2% | $29.2m | 335,500 | 34% | added |
| 14 | SRZN Surrozen Inc. | 2.0% | $27.0m | 1,105,683 | 44% | added | |
| 15 | PTGX PROTAGONIST THERAPEUTICS INC | Healthcare | 1.6% | $20.8m | 170,000 | 0% | held |
| 16 | VIR VIR BIOTECHNOLOGY INC | Healthcare | 1.4% | $19.0m | 1,866,000 | 0% | held |
| 17 | PCVX VAXCYTE INC | Healthcare | 1.4% | $18.9m | 325,000 | 0% | held |
| 18 | URGN UROGEN PHARMA LTD | Healthcare | 1.4% | $18.4m | 500,000 | 0% | held |
| 19 | CRVS CORVUS PHARMACEUTICALS INC | Healthcare | 1.2% | $16.4m | 1,100,000 | 0% | held |
| 20 | PTCT PTC THERAPEUTICS INC | Healthcare | 1.2% | $16.3m | 200,000 | 0% | held |
| 21 | PRAX PRAXIS PRECISION MEDICINES I | Healthcare | 1.2% | $15.6m | 46,457 | 0% | held |
| 22 | AMLX AMYLYX PHARMACEUTICALS INC | Healthcare | 1.1% | $14.4m | 800,000 | 0% | held |
| 23 | OCUL OCULAR THERAPEUTIX INC | Healthcare | 1.0% | $12.8m | 1,300,000 | 271% | added |
| 24 | IRD OPUS GENETICS INC | 0.9% | $11.6m | 2,815,000 | 25% | added | |
| 25 | PALI PALISADE BIO INC | Healthcare | 0.8% | $10.0m | 4,799,875 | 0% | held |
| 26 | APGE APOGEE THERAPEUTICS INC | Healthcare | 0.7% | $9.3m | 70,000 | 0% | held |
| 27 | SYRE SPYRE THERAPEUTICS INC | Healthcare | 0.7% | $8.9m | 100,000 | – | new |
| 28 | COGT COGENT BIOSCIENCES INC | Healthcare | 0.7% | $8.7m | 225,000 | 0% | held |
| 29 | CYTK CYTOKINETICS INC | Healthcare | 0.6% | $8.5m | 100,000 | 0% | held |
| 30 | RLAY RELAY THERAPEUTICS INC | Healthcare | 0.6% | $8.4m | 450,000 | – | new |
| 31 | CRESCENT BIOPHARMA INC. | 0.6% | $8.2m | 453,686 | 0% | held | |
| 32 | CTNM CONTINEUM THERAPEUTICS INC | 0.6% | $8.1m | 494,000 | 0% | held | |
| 33 | KZIA KAZIA THERAPEUTICS LTD | 0.6% | $7.9m | 560,000 | – | new | |
| 34 | STTK SHATTUCK LABS INC | Healthcare | 0.5% | $6.9m | 1,000,000 | – | new |
| 35 | AVTX AVALO THERAPEUTICS INC | Healthcare | 0.5% | $6.9m | 375,000 | 25% | added |
| 36 | FBRX FORTE BIOSCIENCES INC | 0.4% | $5.8m | 274,500 | – | new | |
| 37 | RLMD RELMADA THERAPEUTICS INC | Healthcare | 0.4% | $5.8m | 842,106 | 0% | held |
| 38 | MLTX MOONLAKE IMMUNOTHERAPEUTICS | Healthcare | 0.4% | $5.4m | 275,000 | 0% | held |
| 39 | ZURA ZURA BIO LTD | Healthcare | 0.4% | $5.3m | 900,000 | 0% | held |
| 40 | HELP CYBIN INC | 0.4% | $5.2m | 790,000 | 23% | added | |
| 41 | ODYSSEY THERAPEUTICS INC | 0.4% | $5.1m | 275,000 | – | new | |
| 42 | IMTX IMMATICS N.V | Healthcare | 0.4% | $4.8m | 475,000 | – | new |
| 43 | FTH FAETH THERAPEUTICS inc | 0.3% | $4.5m | 180,505 | – | new | |
| 44 | GPCR STRUCTURE THERAPEUTICS INC | Healthcare | 0.3% | $4.0m | 75,000 | 0% | held |
| 45 | ORIC ORIC PHARMACEUTICALS INC | Healthcare | 0.3% | $3.8m | 350,000 | 98% | added |
| 46 | ANTX AN2 THERAPEUTICS INC | 0.3% | $3.6m | 749,035 | 0% | held | |
| 47 | NMRA NEUMORA THERAPEUTICS INC. | Healthcare | 0.3% | $3.4m | 2,000,000 | – | new |
| 48 | INO INOVIO PHARMACEUTICALS INC | 0.2% | $3.1m | 2,844,994 | 20% | added | |
| 49 | ALLO ALLOGENE THERAPEUTICS INC | Healthcare | 0.2% | $3.1m | 1,500,000 | -45% | reduced |
| 50 | SLDB SOLID BIOSCIENCES INC | Healthcare | 0.2% | $3.0m | 300,000 | 0% | held |
What did Boxer Capital Management, LLC sell? Positions exited since the previous filing
| Stock | Prior weight | Prior value |
|---|---|---|
| 430 TERNS PHARMACEUTICALS INC | 73.6% | $19.8m |
| SLNOEUR SOLENO THERAPEUTICS INC | 24.9% | $6.7m |
| 4XC1 KALVISTA PHARMACEUTICALS INC | 1.5% | $410.7k |
Sector mix
| Sector | Weight |
|---|---|
| Healthcare | 83.9% |
Sectors cover positions whose ticker resolved to a sector; the remainder is unclassified, not cash.
Filing history
How concentrated is Boxer Capital Management, LLC's portfolio?
Across every quarter Boxer Capital Management, LLC has filed, its median largest position is 27.7% of the book and its median top-ten weight is 64.2%, which WhaleCreep classifies as concentrated (the gate is a median largest position of 5%). Of 3.0 completed holding spells, the median lasted 1.0 quarters; 63.0 positions are still open and their final length is unknown.