Boxer Capital, LLC

In its 13F for Q1 2024 (holdings as of March 31, 2024, filed May 15, 2024), Boxer Capital, LLC reported 57 stock positions worth $2.0 billion. Its top holding was Springworks Therapeutics (SWTX) at 8.3% of the portfolio, followed by Cytokinetics (CYTK, 7.3%) and Revolution Medicines (RVMD, 6.8%). Compared with Q4 2023, it opened 13 new positions, sold out of 6, added to 7 and reduced 4. The biggest buy was Fate Therapeutics (FATE, shares +1543%) and the biggest sale an exit from Mirati Therapeutics (MRTX).

Most Recent 13F
Q4 2024
Location
San Diego, CA
CIK
0001465837
Portfolio Value
$2.0B (Q1 2024)
SEC Filing
0000895345-24-000182 ↗ filed May 15, 2024

Holdings Value

0$500.0M$1.0B$1.5B$2.0B$2.5B Q1 2024: $2.0B $2.0B Q1 2024 Q2 2024: $1.9B Q2 2024 Q3 2024: $2.0B Q3 2024 Q4 2024: $0 Q4 2024

Holdings 57 stocks · $2.0B

SWTX Springworks Therapeutics Inc. 8.32% 3,421,541 $168.4M No change
CYTK Cytokinetics Inc. 7.27% 2,100,000 $147.2M No change
RVMD Revolution Medicines Inc. 6.81% 4,279,464 $137.9M No change
TYRA Tyra Biosciences Inc. 5.22% 6,448,359 $105.8M No change
APLS Apellis Pharmaceuticals Inc. 5.01% 1,726,000 $101.5M No change
IDYA Ideaya Biosciences Inc. 4.77% 2,202,812 $96.7M No change
MRUS Merus NV 4.23% 1,900,000 $85.6M No change
SRPT Sarepta Therapeutics Inc. 4.16% 650,000 $84.1M No change
NUVL Nuvalent Inc. Class A 4.15% 1,120,192 $84.1M No change
ONC Beone Medicines Ltd.-ADR filed as BEIGENE LTD 3.86% 500,000 $78.2M No change
TNGX Tango Therapeutics Inc. 3.22% 8,198,642 $65.1M No change
NKTX Nkarta Inc. 2.99% 5,607,350 $60.6M Add +289.4%
FATE Fate Therapeutics Inc. 2.98% 8,215,910 $60.3M Add +1543.2%
RNAM Avidity Biosciences Inc. 2.18% 1,727,388 $44.1M Add +54.0%
AKRO Akero Therapeutics Inc. 2.09% 1,676,733 $42.4M No change
RCKT Rocket Pharmaceuticals Inc. 1.95% 1,466,051 $39.5M No change
ARGX Argenx SE - ADR 1.94% 100,000 $39.4M Reduce -37.5%
LEGN Legend Biotech Corp.-ADR 1.66% 600,000 $33.7M No change
AXSM Axsome Therapeutics Inc. 1.58% 400,000 $31.9M No change
RCUS Arcus Biosciences Inc. 1.49% 1,602,200 $30.2M No change
ANAB Anaptysbio Inc. 1.45% 1,300,000 $29.3M No change
IMVT Immunovant Inc. 1.32% 825,000 $26.7M Reduce -17.5%
XENE Xenon Pharmaceuticals Inc. 1.28% 600,000 $25.8M No change
ARVN Arvinas Inc. 1.24% 608,614 $25.1M No change
ITOS Iteos Therapeutics Inc. 1.22% 1,804,058 $24.6M No change
VKTX Viking Therapeutics Inc. 1.22% 300,000 $24.6M New
ORIC Oric Pharmaceuticals Inc. 1.18% 1,732,571 $23.8M No change
KURA Kura Oncology Inc. 1.05% 1,000,000 $21.3M New
GERN Geron Corp. 0.98% 6,000,000 $19.8M Add +100.0%
DAWN Day One Biopharmaceuticals I 0.97% 1,189,943 $19.7M No change
THRD Third Harmonic Bio Inc. 0.93% 2,000,000 $18.9M Add +166.7%
KALV Kalvista Pharmaceuticals Inc. 0.93% 1,590,000 $18.9M Reduce -3.6%
ALLO Allogene Therapeutics Inc. 0.85% 3,850,000 $17.2M New
GPCR Structure Therapeutics Inc. 0.85% 400,000 $17.1M No change
PRTA Prothena Corp. PLC 0.84% 690,000 $17.1M Add +3.8%
SANA Sana Biotechnology Inc. 0.76% 1,545,000 $15.4M New
RLAY Relay Therapeutics Inc. 0.75% 1,819,132 $15.1M No change
PSTX Poseida Therapeutics Inc. 0.71% 4,475,000 $14.3M New
ENGN Engene Holdings Inc. 0.61% 727,900 $12.3M New
PRLD Prelude Therapeutics Inc. 0.60% 2,568,287 $12.2M No change
ELVN Enliven Therapeutics Inc. 0.58% 671,358 $11.8M Add +3.9%
IOVA Iovance Biotherapeutics Inc. 0.55% 750,000 $11.1M Reduce -46.4%
JSPR Jasper Therapeutics Inc. 0.51% 350,000 $10.3M New
BOLD Boundless Bio Inc. 0.50% 711,329 $10.1M New
SYRE Spyre Therapeutics Inc. 0.47% 250,000 $9.5M No change
IPSC Century Therapeutics Inc. 0.36% 1,750,000 $7.3M New
ZNTL Zentalis Pharmaceuticals Inc. 0.35% 450,000 $7.1M No change
AMLX Amylyx Pharmaceuticals Inc. 0.21% 1,500,000 $4.3M New
ABSI Absci Corp. 0.20% 700,000 $4.0M New
ATRA Atara Biotherapeutics Inc. 0.14% 4,150,000 $2.9M New
BDTX Black Diamond Therapeutics I 0.13% 506,000 $2.6M No change
DIREXION SHS ETF TR 0.13% 350,000 $2.6M New
BCAB Bioatla Inc. 0.12% 686,347 $2.4M No change
OBIO Orchestra Biomed Holdings Inc. 0.06% 238,193 $1.3M No change
TARA Protara Therapeutic Inc. 0.04% 209,227 $839K No change
MIST Milestone Pharmaceuticals Inc. 0.03% 309,007 $553K No change
DBV TECHNOLOGIES S A 0.02% 500,000 $375K No change
Other holdings (2): bonds, preferreds, convertibles and warrants · $83K (not counted above)
SecurityClassShares / PrincipalValueChange
NUVB.WS Nuvation Bio Inc. -CW27 *W EXP 02/10/202 266,666$81KNo change
SRZNW Surrozen Inc.-CW25 *W EXP 08/01/203 66,666$2KNo change

Total filed on the 13F, all lines: $2.0B.

Portfolio Sells Q4 2023 → Q1 2024

MRTX Mirati Therapeutics Inc. Sold out 0.00% −9.37
IMGN Immunogen Inc. Sold out 0.00% −4.38
KRTX Karuna Therapeutics Inc. Sold out 0.00% −3.94
ARGX Argenx SE - ADR Reduce -37.5% 1.94% −1.09
IMVT Immunovant Inc. Reduce -17.5% 1.32% −0.78
KOD Kodiak Sciences Inc. Sold out 0.00% −0.09
KALV Kalvista Pharmaceuticals Inc. Reduce -3.6% 0.93% −0.08
RAIN ONCOLOGY INC Sold out 0.00% −0.07
IOVA Iovance Biotherapeutics Inc. Reduce -46.4% 0.55% −0.02
BCEL Atreca Inc. Class A Sold out 0.00% −0.01

Portfolio Buys Q4 2023 → Q1 2024

FATE Fate Therapeutics Inc. Add +1543.2% 2.98% +2.89
NKTX Nkarta Inc. Add +289.4% 2.99% +2.52
RNAM Avidity Biosciences Inc. Add +54.0% 2.18% +1.67
VKTX Viking Therapeutics Inc. New 1.22% +1.22
KURA Kura Oncology Inc. New 1.05% +1.05
ALLO Allogene Therapeutics Inc. New 0.85% +0.85
SANA Sana Biotechnology Inc. New 0.76% +0.76
PSTX Poseida Therapeutics Inc. New 0.71% +0.71
GERN Geron Corp. Add +100.0% 0.98% +0.66
ENGN Engene Holdings Inc. New 0.61% +0.61
THRD Third Harmonic Bio Inc. Add +166.7% 0.93% +0.52
JSPR Jasper Therapeutics Inc. New 0.51% +0.51
BOLD Boundless Bio Inc. New 0.50% +0.50
IPSC Century Therapeutics Inc. New 0.36% +0.36
AMLX Amylyx Pharmaceuticals Inc. New 0.21% +0.21
ABSI Absci Corp. New 0.20% +0.20
ATRA Atara Biotherapeutics Inc. New 0.14% +0.14
ELVN Enliven Therapeutics Inc. Add +3.9% 0.58% +0.14
DIREXION SHS ETF TR New 0.13% +0.13
PRTA Prothena Corp. PLC Add +3.8% 0.84% −0.36

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q4 2024 0$0
Q3 2024 66$2.0BRVMD, TYRA, NUVL, ONC, CYTK
Q2 2024 59$1.9BRVMD, SWTX, CYTK, MRUS, TYRA
Q1 2024 57$2.0BSWTX, CYTK, RVMD, TYRA, APLS