Gavin Baker 13F Holdings
Atreides Management. Growth/technology hedge fund (~$5.5B AUM). Former Fidelity portfolio manager.
As of the latest Q1 2026 filing, Gavin Baker (managing Atreides Management) reported a public portfolio value of $5.0B with 54 positions. The top recent buy was ALAB. The top recent sell was P.
Open interactive portfolioGavin Baker 13F portfolio overview
Gavin Baker's Q1 2026 13F holdings show Atreides Management reporting 54 positions with a disclosed portfolio value of $5.0B. For readers searching Gavin Baker 13F holdings, Gavin Baker portfolio, or Atreides Management holdings, the latest top holdings include ASTERA LABS, UNITY SOFTWARE, CIENA, MICRON TECHNOLOGY, and NVIDIA.
The three largest reported positions add up to roughly 22.0%, which helps readers judge portfolio concentration rather than just headline AUM. The largest reported sector exposure is Information Technology at 51.5% of the disclosed portfolio. This makes the page useful for comparing the manager's actual disclosed exposure with market narratives around the same names.
The latest change data highlights reported buys such as ASTERA LABS, UNITY SOFTWARE, MICRON TECHNOLOGY, Amazon, and Alphabet and reported reductions or exits such as PURE STORAGE, CIENA, NVIDIA, LUMENTUM HLDGS, and COHERENT. Those changes should be read as historical disclosure signals, not as real-time trade alerts.
The filing metadata lists report date 2026-03-31, filing date 2026-05-18, SEC accession 0001777813-26-000006. 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.
Top reported holdings
| Holding | Reported value | Weight | Quarter change |
|---|---|---|---|
| ALAB whale holders ASTERA LABS INC | $368.9M | 9.0% | Increased |
| U whale holders UNITY SOFTWARE INC | $271.7M | 6.6% | Increased |
| CIEN whale holders CIENA CORP | $262.8M | 6.4% | Reduced |
| MU whale holders MICRON TECHNOLOGY INC | $256.9M | 6.3% | Increased |
| NVDA whale holders NVIDIA CORPORATION | $217.8M | 5.3% | Reduced |
| AMZN whale holders AMAZON COM INC | $198.6M | 4.8% | Increased |
| LITE whale holders LUMENTUM HLDGS INC | $187.9M | 4.6% | Reduced |
| GOOGL whale holders ALPHABET INC | $159.6M | 3.9% | Increased |
| COHR whale holders COHERENT CORP | $150.3M | 3.7% | Reduced |
| SATS whale holders ECHOSTAR CORP | $117.1M | 2.9% | Increased |
Top buys
- ALAB whale holders — ASTERA LABS INC ($368.9M)
- U whale holders — UNITY SOFTWARE INC ($271.7M)
- MU whale holders — MICRON TECHNOLOGY INC ($256.9M)
- AMZN whale holders — AMAZON COM INC ($198.6M)
- GOOGL whale holders — ALPHABET INC ($159.6M)
- SATS whale holders — ECHOSTAR CORP ($117.1M)
Top sells
- P whale holders — PURE STORAGE INC ($279.9M)
- CIEN whale holders — CIENA CORP ($262.8M)
- NVDA whale holders — NVIDIA CORPORATION ($217.8M)
- LITE whale holders — LUMENTUM HLDGS INC ($187.9M)
- COHR whale holders — COHERENT CORP ($150.3M)
- GTLB whale holders — GITLAB INC ($119.2M)
Allocation
- Information Technology: 51.5%
- Other: 25.4%
- Consumer Discretionary: 8.8%
- Communication Services: 6.7%
- Financials: 3.2%
- Industrials: 2.4%
- Utilities: 1.9%
Data notes
Report date: 2026-03-31
Disclosure source: SEC 13F
13F filings are delayed public disclosures and do not include every asset class, short positions, or real-time trades.
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- Horizon Kinetics 13F portfolio — Horizon Kinetics Asset Management
- Jeff Smith 13F portfolio — Starboard Value LP
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- Altarock Partners 13F portfolio — Altarock Partners
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Frequently asked questions
What is Gavin Baker buying?
The latest tracked change data for Gavin Baker highlights reported buys such as ASTERA LABS, UNITY SOFTWARE, MICRON TECHNOLOGY, and Amazon. Because 13F data is historical, use it as a research trail rather than a live trade alert.
Gavin Baker 13F portfolio
The Q1 2026 SEC 13F profile for Gavin Baker and Atreides Management shows 54 reported positions, $5.0B in disclosed portfolio value, and top holdings including ASTERA LABS, UNITY SOFTWARE, CIENA, MICRON TECHNOLOGY, and NVIDIA.
Atreides Management holdings
Atreides Management holdings are summarized from public disclosures with reported values, weights, top buys, top sells, and filing metadata where available.
How delayed is Gavin Baker's 13F data?
SEC Form 13F requires institutional investment managers with $100M+ in US equities to disclose their holdings quarterly. Read our comprehensive 13F guide.