Atreides Management 13F Holdings and Portfolio Changes
Atreides Management reported $14.34B in 13F securities for Q2 2026, with 49 positions. Values are as of the report date; option positions, when present, use underlying-security values. This is not complete fund assets or investment performance.
Open interactive portfolioLatest 13F portfolio changes
New or increased positions include SPACE EXPLORATION TECHN (SPCX), CEREBRAS SYSTEMS (CBRS), CIENA (CIEN), and CREDO TECHNOLOGY GROUP HOLDI (CRDO). Reduced or exited positions include MICRON TECHNOLOGY (MU), ASTERA LABS (ALAB), UNITY SOFTWARE (U), and LUMENTUM HLDGS (LITE). These are comparisons between reported positions, not a record of execution dates, prices or cash traded.
Latest filing metadata: quarter Q2 2026; report date 2026-06-30; filing date 2026-08-14; disclosure source SEC 13F.
Reported holdings and concentration
Atreides Management's Q2 2026 13F report contains 49 positions valued at $14.34B. The largest reported holdings include SPACE EXPLORATION TECHN, MICRON TECHNOLOGY, CEREBRAS SYSTEMS, ASTERA LABS, and CIENA.
The three largest positions in the holdings table account for approximately 55.4% of reported 13F value. The largest reported sector exposure is Energy at 41.9% of the disclosed portfolio.
The filing metadata lists report date 2026-06-30, filing date 2026-08-14, SEC accession 0001777813-26-000009. SEC 13F reports are normally published up to 45 days after quarter end, so the data is best used to understand institutional positioning after the fact rather than to infer today's exact portfolio.
Atreides Management portfolio analytics
the top five positions account for 63.7% of disclosed value; the largest sector exposure is Energy at 41.9%; latest prices differ from modeled cost estimates by an average 222.5% across 46 tracked positions (estimated costs, not reported purchase prices or actual investment returns).
Top reported holdings
| Holding | Reported value | Weight | Quarter change |
|---|---|---|---|
| SPCX whale holders SPACE EXPLORATION TECHN CORP | $4.67B | 41.9% | New |
| MU whale holders MICRON TECHNOLOGY INC | $821.1M | 7.4% | Reduced |
| CBRS whale holders CEREBRAS SYSTEMS INC | $687.3M | 6.2% | New |
| ALAB whale holders ASTERA LABS INC | $587.7M | 5.3% | Reduced |
| CIEN whale holders CIENA CORP | $337.8M | 3.0% | Increased |
| CRDO whale holders CREDO TECHNOLOGY GROUP HOLDI | $307.1M | 2.8% | Increased |
| PANW whale holders PALO ALTO NETWORKS INC | $299.1M | 2.7% | Increased |
| U whale holders UNITY SOFTWARE INC | $292.8M | 2.6% | Reduced |
| COHR whale holders COHERENT CORP | $253.3M | 2.3% | Increased |
| NVDA whale holders NVIDIA CORPORATION | $250.0M | 2.2% | Increased |
New and increased positions
Largest reported position values among additions; not amounts spent buying.
- SPCX whale holders — SPACE EXPLORATION TECHN CORP ($4.67B)
- CBRS whale holders — CEREBRAS SYSTEMS INC ($687.3M)
- CIEN whale holders — CIENA CORP ($337.8M)
- CRDO whale holders — CREDO TECHNOLOGY GROUP HOLDI ($307.1M)
- PANW whale holders — PALO ALTO NETWORKS INC ($299.1M)
- COHR whale holders — COHERENT CORP ($253.3M)
Reduced and exited positions
Sorted by reported position value; exits use the prior report. These are not sale proceeds.
- MU whale holders — MICRON TECHNOLOGY INC ($821.1M)
- ALAB whale holders — ASTERA LABS INC ($587.7M)
- U whale holders — UNITY SOFTWARE INC ($292.8M)
- LITE whale holders — LUMENTUM HLDGS INC ($187.9M)
- GOOGL whale holders — ALPHABET INC ($174.5M)
- TWLO whale holders — TWILIO INC ($148.6M)
Allocation
- Energy: 41.9%
- Information Technology: 37.1%
- Other: 12.8%
- Communication Services: 3.6%
- Consumer Discretionary: 3.6%
- Financials: 0.4%
- Industrials: 0.3%
- Health Care: 0.2%
Data notes
Report date: 2026-06-30
Disclosure source: SEC 13F
Read the original SEC filing (0001777813-26-000009)
SEC 13F filings are delayed public disclosures and do not include every asset class, short positions, or real-time trades.
Related investor portfolios
- Dorsey Asset Management 13F holdings and portfolio changes — Dorsey Asset Management
- Ruane, Cunniff & Goldfarb 13F holdings and portfolio changes — Ruane, Cunniff & Goldfarb
- Southeastern Asset Management 13F holdings and portfolio changes — Southeastern Asset Management
- Robotti & Co 13F holdings and portfolio changes — Robotti & Co
- Edgewood Management LLC 13F holdings and portfolio changes — Edgewood Management LLC
- Appaloosa LP 13F holdings and portfolio changes — Appaloosa LP
- ARK Investment Management 13F holdings and portfolio changes — ARK Investment Management
- Generation Investment Management 13F holdings and portfolio changes — Generation Investment Management
Learn more in Whale Analyzer Academy
Learn more in Whale Analyzer Academy:
Questions about this 13F filing
What does Atreides Management report for Q2 2026?
The filing reports 49 positions and $14.34B in 13F securities. The holdings table shows reported values and weights; option values follow the filing's reporting conventions.
What changed between filings?
New or increased positions include SPACE EXPLORATION TECHN (SPCX), CEREBRAS SYSTEMS (CBRS), CIENA (CIEN), and CREDO TECHNOLOGY GROUP HOLDI (CRDO). Reduced or exited positions include MICRON TECHNOLOGY (MU), ASTERA LABS (ALAB), UNITY SOFTWARE (U), and LUMENTUM HLDGS (LITE).
Do these amounts show how much was bought or sold?
No. The change lists are ranked by reported position value. Exited positions use their value in the prior report. These amounts are not execution prices, cash invested or sale proceeds.
Is this the current portfolio?
No. Form 13F is a quarter-end snapshot, generally filed within 45 days of quarter end. It excludes short positions and does not cover every asset. Compare the report date and filing date before using the data.