AltMountain

Atreides Management, LP

Boston, MA · CRD 301152
Hedge fund manager

Atreides Management, LP is an SEC-registered investment adviser based in Boston, MA that reports managing 5 hedge funds on Form ADV. It reports $8.9 billion in regulatory assets under management. Its private funds, of all types, hold $9.4 billion in gross assets. Its disclosed U.S. stock holdings returned an estimated +59.5% 2026 YTD through Jun 30 (S&P 500: +9.5%), based on 13F filings. Over a longer period they returned an estimated +206.8% from Q3 2024 to Q2 2026, compared with +37.2% for the S&P 500, based on 13F filings.

Regulatory assets under management
$8.9 billionForm ADV Item 5.F
Gross assets of private funds
$9.4 billionAll private fund types, Form ADV
Hedge funds managed
529 private funds in total
Employees
26Form ADV Item 5.A
Registration
SEC-registered adviserCRD 301152
Latest Form ADV
08/28/2026Disciplinary disclosures: none reported

Estimated 13F portfolio performance

Est. 2026 YTD+59.5%Through Q2 2026 · S&P 500 +9.5%
Est. 2-year return+206.8%Q3 2024 – Q2 2026
S&P 500+37.2%Same quarters, price only
13F holdings$11.1 billion46 positions, 2026-06-30
$100$203$307Q3 2024Q1 2025Q3 2025Q1 202613F est. $307S&P 500 $137
QuarterEst. 13F returnS&P 500
Q2 2026+71.7%+14.8%
Q1 2026-7.1%-4.6%
Q4 2025+6.7%+2.4%
Q3 2025+21.5%+7.8%
Q2 2025+36.8%+10.4%
Q1 2025-19.3%-4.5%
Q4 2024+28.9%+2.1%
Q3 2024+4.2%+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

  • 84615q103$4.7 billion
  • Micron Technology Inc Com$821.1 million
  • 15675d103$687.3 million
  • Astera Labs$587.7 million
  • Ciena Corp$337.8 million
  • Credo Technology Group Holding$307.1 million
  • Palo Alto Networks Inc Com$299.1 million
  • Unity Software Inc$292.8 million
  • Coherent Corp$253.3 million
  • Nvidia Corp$250.0 million

As of 2026-06-30, from 13F filing by Atreides Management, LP.

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 equity funds filing Form D (1)

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 (2)

As reported in the adviser's Form ADV filed Mar 28, 2024. Funds also listed from Form D are shown above.

Fund vehicles: feeder funds and single-deal vehicles (15)

Fund
Gross assets
Minimum
Owners
Adviser
Atreides Special Circumstances Fund, LLC - Series F Dis
Delaware, United StatesVenture capital fund
Gross assets$150M
Minimum$1K
Owners55
AdviserAtreides Management, LP
Atreides Special Circumstances Fund, LLC - Series K Dis
Delaware, United StatesVenture capital fund
Gross assets$76.0M
Minimum$1K
Owners136
AdviserAtreides Management, LP
Atreides Special Circumstances Fund, LLC - Series M Dis
Delaware, United StatesVenture capital fund
Gross assets$38.2M
Minimum$1K
Owners106
AdviserAtreides Management, LP
Atreides Special Circumstances Fund, LLC - Series I Dis
Delaware, United StatesVenture capital fund
Gross assets$35.8M
Minimum$1K
Owners144
AdviserAtreides Management, LP
Atreides Special Circumstances Fund, LLC - Series J Dis
Delaware, United StatesVenture capital fund
Gross assets$33.9M
Minimum$1K
Owners169
AdviserAtreides Management, LP
Atreides Special Circumstances Fund, LLC - Series E Dis
Delaware, United StatesVenture capital fund
Gross assets$33.2M
Minimum$1K
Owners56
AdviserAtreides Management, LP
Atreides Special Circumstances Fund, LLC - Series L Dis
Delaware, United StatesVenture capital fund
Gross assets$25.8M
Minimum$1K
Owners97
AdviserAtreides Management, LP
Atreides Special Circumstances Fund, LLC - Series a Dis
Delaware, United StatesVenture capital fund
Gross assets$13.7M
Minimum$1K
Owners14
AdviserAtreides Management, LP
Atreides Special Circumstances Fund, LLC - Series O Dis
Delaware, United StatesVenture capital fund
Gross assets$13.1M
Minimum$1K
Owners50
AdviserAtreides Management, LP
Atreides Special Circumstances Fund, LLC - Series D Dis
Delaware, United StatesVenture capital fund
Gross assets$12.7M
Minimum$1K
Owners29
AdviserAtreides Management, LP
Atreides Special Circumstances Fund, LLC - Series H Dis
Delaware, United StatesVenture capital fund
Gross assets$8.7M
Minimum$1K
Owners76
AdviserAtreides Management, LP
Atreides Special Circumstances Fund, LLC - Series G Dis
Delaware, United StatesVenture capital fund
Gross assets$7.0M
Minimum$1K
Owners32
AdviserAtreides Management, LP
Atreides Special Circumstances Fund, LLC - Series N Dis
Delaware, United StatesVenture capital fund
Gross assets$6.7M
Minimum$1K
Owners29
AdviserAtreides Management, LP
Atreides Special Circumstances Fund, LLC - Series C Dis
Delaware, United StatesVenture capital fund
Gross assets$5.0M
Minimum$1K
Owners15
AdviserAtreides Management, LP
Atreides Special Circumstances Fund, LLC - Series B Dis
Delaware, United StatesVenture capital fund
Gross assets$2.5M
Minimum$1K
Owners16
AdviserAtreides Management, LP

Feeder funds invest through a master fund; single-deal vehicles (SPVs, co-investments, series) hold one investment.

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