Atreides Management, LP 13F Portfolio

CIK 1777813 Filing since Q4 2019 Q2 2026 filed Aug 14, 2026
Holdings as of Jun 30, 2026, from the 13F filed Aug 14, 2026.

Portfolio Snapshot

46 positions · Q2 2026

Atreides Management, LP reported 46 positions worth $11.15B for the quarter ended Jun 30, 2026, up 171.6% on the prior quarter. It opened 13 new positions, added to 26, trimmed 7 and exited 18. Its largest holding is Space Exploration Technologies Corp at 41.9% of the portfolio.

Portfolio Value
$11.15B
+171.6% QoQ · +235.6% YoY
Positions
46
13 new · 18 sold out
Top 10 Concentration
76.3%
of portfolio value
Largest Position
SPCX 41.9%
Space Exploration Technologies Corp
Net Buying
+$4.09B
$6.46B bought · $2.37B sold
Turnover
31%
of the portfolio traded
Top Sector
Technology
49.3% of value
Track Record
27
quarters on file since Q4 2019

Portfolio Value & Positions

Value Positions

Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.

Sector Allocation

9 sectors
49.3%
Technology
Technology49.3%
Industrials43.38%
Consumer Discretionary4.5%
Financial Services1.36%
Real Estate0.626%
Other0.301%
Basic Materials0.278%
Healthcare0.254%
Utilities<0.01%

Quarterly Buying & Selling

Bought Sold

Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.

Position Changes

How many positions were opened, added to, trimmed or closed each quarter.

Sector Allocation Over Time

Share of reported value in each sector at every quarter end.

TechnologyIndustrialsConsumer DiscretionaryFinancial ServicesReal EstateOtherBasic MaterialsHealthcareUtilitiesCommunication ServicesConsumer Staples

Largest Buys

Q2 2026
Holding Change Change % Trade Value Weight
SPCX Space Exploration Technologies Corp +27.33M – $4.67B 41.89%
CBRS Cerebras Systems Inc. +3.11M – $687.33M 6.17%
META Meta Platforms, Inc. +402.8K – $226.88M 2.04%
CRWV CoreWeave, Inc. +1.31M +162.2% $130.83M 1.9%
APH Amphenol Corp +1.28M – $112.86M 1.01%
PANW Palo Alto Networks Inc +315.2K +56.1% $107.47M 2.68%
GTLB Gitlab Inc. +3.37M – $102.98M 0.924%
CIFR Cipher Digital Inc. +3.59M – $87.87M 0.788%
IOT Samsara Inc. +2.31M – $74.87M 0.672%
PDFS Pdf Solutions Inc +658.5K – $46.62M 0.418%

Largest Sells

Q2 2026
Holding Change Change % Trade Value Weight
ALAB Astera Labs, Inc. -2.15M -63.8% $1.04B 5.27%
LITE Lumentum Holdings Inc. -267.4K -100.0% $187.91M Exited
SATS Strive, Inc. -1.00M -100.0% $117.11M Exited
ZM Zoom Communications, Inc. -1.32M -100.0% $105.76M Exited
RKT Rocket Companies, Inc. -6.11M -100.0% $87.14M Exited
VST Vistra Corp. -523.8K -100.0% $78.74M Exited
RBLX Roblox Corp -1.38M -100.0% $78.26M Exited
U Unity Software Inc. -2.14M -17.3% $61.15M 2.63%
HUBS Hubspot Inc -232.1K -100.0% $56.66M Exited
MU Micron Technology Inc -49.1K -6.5% $56.63M 7.37%

New Positions

Q2 2026
Holding Shares Trade Value Weight
SPCX Space Exploration Technologies Corp +27.33M $4.67B 41.89%
CBRS Cerebras Systems Inc. +3.11M $687.33M 6.17%
META Meta Platforms, Inc. +402.8K $226.88M 2.04%
APH Amphenol Corp +1.28M $112.86M 1.01%
GTLB Gitlab Inc. +3.37M $102.98M 0.924%
CIFR Cipher Digital Inc. +3.59M $87.87M 0.788%
IOT Samsara Inc. +2.31M $74.87M 0.672%
PDFS Pdf Solutions Inc +658.5K $46.62M 0.418%
TTAN ServiceTitan, Inc. +542.1K $38.33M 0.344%
NTRA Natera, Inc. +104.4K $28.34M 0.254%

Closed Positions

Q2 2026
Holding Shares Sold Trade Value Prior Weight
LITE Lumentum Holdings Inc. -267.4K $187.91M 4.58%
SATS Strive, Inc. -1.00M $117.11M 2.85%
ZM Zoom Communications, Inc. -1.32M $105.76M 2.58%
RKT Rocket Companies, Inc. -6.11M $87.14M 2.12%
VST Vistra Corp. -523.8K $78.74M 1.92%
RBLX Roblox Corp -1.38M $78.26M 1.91%
HUBS Hubspot Inc -232.1K $56.66M 1.38%
SNPS Synopsys Inc -136.9K $54.29M 1.32%
RL Ralph Lauren Corp -128.8K $44.32M 1.08%
AXON Axon Enterprise, Inc. -102.1K $43.36M 1.06%
Holdings · Q2 2026

46 Positions

As ofJun 30, 2026
Value$11.15B
Top 1076.3%
Avg position$242.35M
# Activity
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Showing 1–15 of 46 positions 13F filings on SEC EDGAR

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About Atreides Management, LP’s 13F Portfolio

What are Atreides Management, LP’s largest holdings?

As of its Q2 2026 13F filing, Atreides Management, LP’s five largest positions were Space Exploration Technologies Corp (SPCX) at 41.9%, Micron Technology Inc (MU) at 7.4%, Cerebras Systems Inc. (CBRS) at 6.2%, Astera Labs, Inc. (ALAB) at 5.3%, Ciena Corp (CIEN) at 3.0% of the reported portfolio.

How much is Atreides Management, LP’s portfolio worth?

Atreides Management, LP reported a 13F portfolio worth $11.15B across 46 positions for Q2 2026. That is up 171.6% from the previous quarter.

What did Atreides Management, LP buy in Q2 2026?

Its largest purchases by value were Space Exploration Technologies Corp ($4.67B), Cerebras Systems Inc. ($687.33M), Meta Platforms, Inc. ($226.88M). It opened 13 new positions.

What did Atreides Management, LP sell in Q2 2026?

Its largest sales by value were Astera Labs, Inc. ($1.04B), Lumentum Holdings Inc. ($187.91M), Strive, Inc. ($117.11M). It exited 18 positions entirely.

Where does this data come from?

From the Form 13F-HR reports Atreides Management, LP files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.

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by reported 13F value

13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.