Deerfield Management Company, L.P. filed Q1 2026 13F: NUVL leads a $8.5B portfolio

Filed: 2026-05-15 · Report date: 2026-03-31 · Form: 13F-HR

Source: SEC EDGAR filing

Portfolio overview

Portfolio value: $8.5B
Holdings: 82
Previous quarter: 2025-12-31

Top 5 holdings

NUVL — $1.8B (20.8%)
BROOKDALE SR LIVING INC — $505.4M (6.0%)
COGT — $348.1M (4.1%)
PRAX — $310.4M (3.7%)
VTRS — $273M (3.2%)

New positions

ARROWHEAD PHARMACEUTICALS IN — $207.2M (2.4%)
INDV — $94.4M (1.1%)
SNDX — $88.3M (1.0%)
DNTH — $85.6M (1.0%)
PFE — $85.4M (1.0%)

Exits

INDIVIOR PLC — last seen at $121.7M
PHREESIA INC — last seen at $33.8M
MRNA — last seen at $29.5M
LANTHEUS HLDGS INC — last seen at $28.9M
VENTAS INC — last seen at $27.4M

Biggest adds

BROOKDALE SR LIVING INC — +$77.9M (now $505.4M)
XENE — +$69.7M (now $94M)
UTHR — +$63.4M (now $271M)

Biggest trims

NBIX — -$87.6M (now $80.4M)
CNC — -$71.6M (now $193.7M)
VERA — -$55.8M (now $149.7M)

Methodology note

13F filings are public quarterly disclosures with up to a 45-day lag from quarter-end. Numbers here reflect the manager's disclosed long US equity positions only; they are not a real-time portfolio, do not include derivatives or short positions, and are not actual fund NAV. Not investment advice.

Full case file: https://worldsmartmoney.com/manager/deerfield

This article: https://worldsmartmoney.com/news/deerfield-2026-03-31-057678

English thread

Tweet 1/5 · 171 chars

Deerfield Management Company, L.P. filed Q1 2026 13F.

Portfolio: $8.5B (82 holdings)
Top: NUVL $1.8B (20.8%)

https://worldsmartmoney.com/news/deerfield-2026-03-31-057678

Tweet 2/5 · 147 chars

Top 5 holdings:

1. NUVL $1.8B (20.8%)
2. BROOKDALE SR LIVING INC $505.4M (6.0%)
3. COGT $348.1M (4.1%)
4. PRAX $310.4M (3.7%)
5. VTRS $273M (3.2%)

Tweet 3/5 · 153 chars

Position changes from 2025-12-31:

🆕 New: ARROWHEAD PHARMACEUTICALS IN, INDV, SNDX, DNTH
🚪 Exited: INDIVIOR PLC, PHREESIA INC, MRNA, LANTHEUS HLDGS INC

Tweet 4/5 · 143 chars

📈 Biggest adds:
  BROOKDALE SR LIVING INC +$77.9M
  XENE +$69.7M
  UTHR +$63.4M

📉 Biggest trims:
  NBIX -$87.6M
  CNC -$71.6M
  VERA -$55.8M

Tweet 5/5 · 240 chars

Source: SEC 13F (≤45-day disclosure lag, not real-time, not fund NAV).

SEC: https://www.sec.gov/Archives/edgar/data/1009258/000121390026057678/0001213900-26-057678-index.htm
WSM: https://worldsmartmoney.com/news/deerfield-2026-03-31-057678

Chinese thread

Tweet 1/5 · 152 chars

Deerfield Management Company, L.P. 更新 2026 Q1 13F

组合：$8.5B（82 只持仓）
第一持仓：NUVL $1.8B（20.8%）

https://worldsmartmoney.com/news/deerfield-2026-03-31-057678

Tweet 2/5 · 135 chars

前 5 大持仓：

1. NUVL $1.8B（20.8%）
2. BROOKDALE SR LIVING INC $505.4M（6.0%）
3. COGT $348.1M（4.1%）
4. PRAX $310.4M（3.7%）
5. VTRS $273M（3.2%）

Tweet 3/5 · 126 chars

相比 2025-12-31 的变化：

🆕 新建仓：ARROWHEAD PHARMACEUTICALS IN、INDV、SNDX、DNTH
🚪 清仓：INDIVIOR PLC、PHREESIA INC、MRNA、LANTHEUS HLDGS INC

Tweet 4/5 · 126 chars

📈 加仓最多：
  BROOKDALE SR LIVING INC +$77.9M
  XENE +$69.7M
  UTHR +$63.4M

📉 减仓最多：
  NBIX -$87.6M
  CNC -$71.6M
  VERA -$55.8M

Tweet 5/5 · 209 chars

来源：SEC 13F（最多滞后 45 天公开，非实时，不代表基金净值）

SEC 原文：https://www.sec.gov/Archives/edgar/data/1009258/000121390026057678/0001213900-26-057678-index.htm
WSM 解读：https://worldsmartmoney.com/news/deerfield-2026-03-31-057678

13F is a quarterly disclosure with up to 45-day lag. Not real-time, not fund NAV, not investment advice.