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Portfolio (Quarterly) Guide ↗

DEERFIELD MANAGEMENT COMPANY, L.P.

· CIK 0001009258
13F Portfolio $8.5B AUM 82 positions Filed May 15, 2026 EDGAR ↗ ← All Funds
Q1 2026 Q4 2025 · All 12 New 14 Added 9 Reduced 80 Exited
Page 2 of 5  ·  82 positions
# Ticker Company Sector Shares Value ↓ % Port Chg Shares Chg % Period Price ① Since Period ①
21 ACHC ACADIA HEALTHCARE COMPANY IN Healthcare 4,520,000.0 $105.7M 1.25% $23.39 +10.3%
22 ARWR ARROWHEAD PHARMACEUTICALS IN Healthcare 1,573,297.0 $98.6M 1.16% -260K -14.2% $62.70 +22.3%
23 CPRX CATALYST PHARMACEUTICALS INC Healthcare 3,943,600.0 $97.6M 1.15% -968K -19.7% $24.76 +25.8%
24 INDV INDIVIOR PHARMACEUTICALS INC Healthcare 3,097,790.0 $94.4M 1.11% NEW $30.48 +24.1%
25 XENE XENON PHARMACEUTICALS INC Healthcare 1,615,696.0 $94.0M 1.11% +1.1M +198.1% $58.15 -3.7%
26 IONIS PHARMACEUTICALS INC 60,000,000.0 $90.6M 1.07% $1.51
27 PHVS PHARVARIS N V Healthcare 3,126,042.0 $88.3M 1.04% $28.25 +8.7%
28 SNDX SYNDAX PHARMACEUTICALS INC Healthcare 3,779,900.0 $88.3M 1.04% NEW $23.36 -12.0%
29 TNGX TANGO THERAPEUTICS INC Healthcare 4,146,813.0 $86.8M 1.02% +1.2M +42.6% $20.92 +18.9%
30 ALIGNMENT HEALTHCARE INC 61,000,000.0 $85.9M 1.01% $1.41
31 DNTH DIANTHUS THERAPEUTICS INC Healthcare 1,019,813.0 $85.6M 1.01% NEW $83.92 +1.7%
32 PFE PFIZER INC Healthcare 3,040,000.0 $85.4M 1.01% NEW $28.08 -8.3%
33 NBIX NEUROCRINE BIOSCIENCES INC Healthcare 610,000.0 $80.4M 0.95% -574K -48.5% $131.74 +20.7%
34 DAWN DAY ONE BIOPHARMACEUTICALS I Healthcare 3,723,131.0 $79.8M 0.94% $21.44 +0.4%
35 SVRA SAVARA INC Healthcare 13,569,000.0 $74.1M 0.87% $5.46 -3.5%
36 ZENAS BIOPHARMA INC 65,000,000.0 $67.3M 0.79% NEW $1.03
37 EHAB ENHABIT INC Healthcare 4,747,746.0 $66.9M 0.79% $14.09 -2.1%
38 NEOGENOMICS INC 72,689,000.0 $66.7M 0.79% $0.92
39 GMAB GENMAB A/S Healthcare 2,462,000.0 $66.1M 0.78% NEW $26.83 +0.3%
40 BIO BIO RAD LABS INC Healthcare 226,070.0 $63.0M 0.74% $278.75 -11.2%
Page 2 of 5  ·  82 positions

Period Price is the implied market price on the last day of the reporting period, calculated as reported value ÷ shares held. It is not the fund's purchase price or cost basis — the fund may have initiated or added to the position at any point during the quarter at a different price. Since Period shows the price change from that quarter-end snapshot to today's last price — it reflects stock movement after the report date, not the fund's actual return.

Sector Allocation
Healthcare 100.0%