DEERFIELD MANAGEMENT COMPANY, L.P.

CIK 0001009258 · NEW YORK, NY · Quarter end: 2026-06-30 · Filed on: 2026-08-14 · Open the SEC source

DEERFIELD MANAGEMENT COMPANY, L.P. reported 82 positions worth $9.59B as of June 30, 2026 (13F filed August 14, 2026). Largest holding: NUVALENT INC (22.2%).

Portfolio Value (AUM)Total value of the fund's US stock portfolio reported to the SEC.
$9.59B
2026 Q2
Positions
82
Top-10 ConcentrationHow much of the portfolio sits in the 10 largest holdings. High = concentrated bets.
53.2%
Est. Net Flow (Q)
2026 Q2
10 / 82 positions shown
#SymbolCompanyTypeValue% Port.Shares1YYTD
1670703107NUVALENT INCSH$2.13B22.22%17,248,450
2BKD 3.5 10-15-29BROOKDALE SR LIVING INCSH$585.7M6.11%306,885,000
3RVMDREVOLUTION MEDICINES INCSH$448.0M4.67%2,392,000
4PRAXPRAXIS PRECISION MEDICINES ISH$322.5M3.36%963,351
5VTRSVIATRIS INCSH$320.9M3.35%20,206,170
6CNCCENTENE CORP DELSH$314.6M3.28%4,901,000
7RVMD 0.5 05-01-33REVOLUTION MEDICINES INCSH$251.7M2.63%200,000,000
8UTHRUNITED THERAPEUTICS CORP DELSH$247.6M2.58%457,000
9ARWR 0 01-15-32ARROWHEAD PHARMACEUTICALS INSH$240.5M2.51%200,000,000
10LEGNLEGEND BIOTECH CORPSH$235.0M2.45%8,137,638

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Read the 2026-Q2 quarterly report · 13F Filing Calendar

Frequently Asked Questions

What stocks does DEERFIELD MANAGEMENT COMPANY, L.P. hold as of Q2 2026?

DEERFIELD MANAGEMENT COMPANY, L.P. reported 82 positions worth $9.59B in its Q2 2026 13F filing. Largest positions: NUVALENT INC (22.2%), BKD 3.5 10-15-29 (6.1%), RVMD (4.7%), PRAX (3.4%) and VTRS (3.3%).

What did DEERFIELD MANAGEMENT COMPANY, L.P. buy in Q2 2026?

No previous quarter is available yet; the comparison appears with the next filing.

What did DEERFIELD MANAGEMENT COMPANY, L.P. sell in Q2 2026?

No previous quarter is available yet.

13F data shows quarter-end positions, is delayed by up to 45 days and covers only long positions in US-listed securities; short positions, most derivatives and non-US assets are not reported.