AltMountain

Redmile Group

Larkspur, CA · CRD 143606
Hedge fund manager

Redmile Group is an SEC-registered investment adviser based in Larkspur, CA that reports managing 10 hedge funds on Form ADV. It reports $4.7 billion in regulatory assets under management. Its private funds, of all types, hold $4.6 billion in gross assets. Its disclosed U.S. stock holdings returned an estimated +20.3% 2026 YTD through Jun 30 (S&P 500: +9.5%), based on 13F filings. Over a longer period they returned an estimated +66.1% from Q3 2024 to Q2 2026, compared with +37.2% for the S&P 500, based on 13F filings.

Regulatory assets under management
$4.7 billionForm ADV Item 5.F
Gross assets of private funds
$4.6 billionAll private fund types, Form ADV
Hedge funds managed
1020 private funds in total
Employees
30Form ADV Item 5.A
Registration
SEC-registered adviserCRD 143606
Latest Form ADV
08/28/2026Disciplinary disclosures: none reported

Estimated 13F portfolio performance

Est. 2026 YTD+20.3%Through Q2 2026 · S&P 500 +9.5%
Est. 2-year return+66.1%Q3 2024 – Q2 2026
S&P 500+37.2%Same quarters, price only
13F holdings$1.5 billion39 positions, 2026-06-30
$75$121$166Q3 2024Q1 2025Q3 2025Q1 202613F est. $166S&P 500 $137
QuarterEst. 13F returnS&P 500
Q2 2026+21.5%+14.8%
Q1 2026-1.0%-4.6%
Q4 2025+34.7%+2.4%
Q3 2025+23.1%+7.8%
Q2 2025+10.8%+10.4%
Q1 2025-23.3%-4.5%
Q4 2024-10.4%+2.1%
Q3 2024+9.5%+5.4%

Estimate of the firm's disclosed long U.S. stock portfolio from its quarterly 13F filings, holding each quarter-end portfolio to the next quarter-end at prices implied by all 13F filers. It is a price return before dividends and fees, ignores shorts, options, bonds, cash and trading within the quarter, and is not the return of any fund. Disclosures

Largest disclosed holdings

  • Scholar Rock Hldg Corp$237.1 million
  • Krystal Biotech Inc$234.9 million
  • Stoke Therapeutics Inc$129.1 million
  • Immunome Inc$104.1 million
  • Nurix Therapeutics Inc$98.8 million
  • Absci Corporation$78.1 million
  • Annexon Inc$67.8 million
  • Regenxbio Inc Com$52.3 million
  • Shattuck Labs Inc$47.8 million
  • Neurogene Inc$44.4 million

As of 2026-06-30, from 13F filing by Redmile Group, LLC.

Hedge funds filing Form D (5)

Matched to this firm by the fund names and related persons in each Form D. The list may be incomplete.

Private funds reported on Form ADV (18)

Fund
Gross assets
Minimum
Owners
Adviser
Redco II Master Fund, L.P.
Cayman IslandsHedge fund
Gross assets$1.5B
Minimum$10.0M
Owners41
AdviserRedmile Group
Redmile Biopharma Investments III, L.P.
Delaware, United StatesPrivate equity fund
Gross assets$1.2B
Minimum$5.0M
Owners330
AdviserRedmile Group
Redmile Capital Offshore II Master Fund, LTD.
Cayman IslandsHedge fund
Gross assets$962M
Minimum$1.0M
Owners8
AdviserRedmile Group
Redmile Biopharma Investments II, L.P.
Delaware, United StatesVenture capital fund
Gross assets$828M
Minimum$5.0M
Owners138
AdviserRedmile Group
Redmile Capital Offshore Master Fund, LTD.
Cayman IslandsHedge fund
Gross assets$729M
Minimum$5.0M
Owners217
AdviserRedmile Group
Redmile Capital Fund, LP
Delaware, United StatesHedge fund
Gross assets$654M
Minimum$5.0M
Owners348
AdviserRedmile Group
Redmile Strategic Long Only Trading Sub, LTD.
Cayman IslandsHedge fund
Gross assets$286M
Minimum$5.0M
Owners47
AdviserRedmile Group
RAF, L.P.
Cayman IslandsVenture capital fund
Gross assets$261M
Minimum$50.0M
Owners2
AdviserRedmile Group
Redmile Strategic Trading Sub, LTD.
Cayman IslandsHedge fund
Gross assets$212M
Minimum$5.0M
Owners115
AdviserRedmile Group
Redmile Growth Investments I, L.P.
Delaware, United StatesVenture capital fund
Gross assets$157M
Minimum$5.0M
Owners3
AdviserRedmile Group
Redmile Biopharma Investments I, L.P.
Delaware, United StatesVenture capital fund
Gross assets$143M
Minimum$2.0M
Owners80
AdviserRedmile Group
Redco I, L.P.
Delaware, United StatesHedge fund
Gross assets$109M
Minimum$5.0M
Owners52
AdviserRedmile Group
Redmile Private Investments II, L.P.
Delaware, United StatesVenture capital fund
Gross assets$61.6M
Minimum$2.0M
Owners29
AdviserRedmile Group
Redmile Capital Offshore Fund (Erisa), LTD.
Cayman IslandsHedge fund
Gross assets$55.2M
Minimum$5.0M
Owners24
AdviserRedmile Group
RM Special Holdings 4, LLC
Delaware, United StatesPrivate equity fund
Gross assets$44.9M
Minimum$5.0M
Owners10
AdviserRedmile Group
Redmile Private Investments I, L.P.
Delaware, United StatesVenture capital fund
Gross assets$15.9M
Minimum$2.0M
Owners11
AdviserRedmile Group
Redmile Private Investments I Affiliates, L.P.
Delaware, United StatesVenture capital fund
Gross assets$11.9M
Minimum$2.0M
Owners17
AdviserRedmile Group
RM Special Holdings 8, LLC
Delaware, United StatesPrivate equity fund
Gross assets$1.2M
Minimum$5.0M
Owners2
AdviserRedmile Group

As reported in the adviser's Form ADV filed Jul 3, 2024. Funds also listed from Form D are shown above.

From SEC filings. Firm data comes from the SEC's Form ADV data as of Oct 2, 2026; performance estimates come from Form 13F. AltMountain has not verified this information, and it is not an offer, solicitation or recommendation. Full disclosures