Analog Century Management portfolio
Concentrated managerInvestment firmPortfolio as of Jun 30, 2026 (Q2 2026) · filed with the SEC on Aug 14, 2026 · data updated on Nov 5, 2026 · Q2 2026 13F (filing) ↗ · all its 13F filings ↗
A 13F shows the portfolio at quarter-end and is filed up to 45 days later: these are not real-time positions and they may have changed.
Analog Century Management reported a $2.7 bn portfolio of 25 positions to the SEC as of the end of Q2 2026. Its largest positions are AMAT, APH, TSM. During the quarter it opened Onto Innovation and Analog Devices and exited Akamai Technologies and ARM Holdings.
Sections with a free account
What changed this quarter
30 positions with a change (5 new, 2 added to, 18 trimmed, 5 sold). 12 are listed here: those of 0.5 points of the portfolio or more (up to 12).
- Onto Innovation+4.6 ppof portfolioNew— → 4.6%
- Analog Devices+4.2 ppof portfolioNew— → 4.2%
- TTM Technologies+4.0 ppof portfolioNew— → 4.0%
- Akamai Technologies−3.9 ppof portfolioSold out5.1% → —
- ARM Holdings−3.8 ppof portfolioSold out5.0% → —
- Nebius Group+3.6 ppof portfolioNew— → 3.6%
- Insight Enterprises+3.4 ppof portfolioNew— → 3.4%
- Nokia−3.1 ppof portfolioSold out4.0% → —
- STMicroelectronics−56%fewer sharesReduced3.9% → 2.8%
- Silicon Motion Technology−33%fewer sharesReduced2.9% → 4.4%
- Hewlett Packard Enterprise−36%fewer sharesReduced4.1% → 3.9%
- Astera Labs−50%fewer sharesReduced2.6% → 4.5%
The figure on the right: for positions added to or trimmed, the change in the number of shares (%); for new and sold ones, the points of the portfolio moved (pp). Below, the portfolio weight before → after. Traded weight: what it bought or sold, excluding price effects.
Top holdings
- Applied MaterialsAMAT5.8%
- AmphenolAPH5.2%
- Taiwan Semiconductor ManufacturingTSM5.2%
- Micron TechnologyMU5.0%
- NVIDIANVDA5.0%
- ONTO InnovationONTO4.6%
- Advanced Energy IndustriesAEIS4.5%
- Astera LabsALAB4.5%
- Silicon Motion TechnologySIMO4.4%
- Analog DevicesADI4.2%
- MACOM Technology Solutions HoldingsMTSI4.1%
- CienaCIEN4.1%
- TTM TechnologiesTTMI4.0%
- Lumentum HoldingsLITE4.0%
- Viavi SolutionsVIAV4.0%
“Since”: first quarter of the current run, unbroken until today. In the details, prices are the quarter-end prices of the quarters in which it added shares, per the 13F. The manager may have bought at any price within each quarter; the SEC only publishes the value at quarter end.
Portfolio by sector
- ● Information Technology 100%
How its portfolio changed (8 quarters)
Q2 2026: 25
Q2 2026: 48%
Q2 2026: 28.5%
Traded turnover: the weight it bought plus the weight it sold in the quarter, divided by two, excluding price moves. The plain “turnover” in the header does include that effect. With a free account: the full history and sectors over time.
13F filings with amendments or confidential positions
- 13F Q3 2025 ↗filed Nov 14, 2025Amendment of Nov 17, 2025 (replaces the original) ↗
Stakes above 5% (13D/13G)
Companies where this filer reported holding 5% or more of the shares. It is the figure from its latest filing on each one; history since December 2024.
How we classify it
Investment firm, per its Form ADV of May 29, 2026 (medium confidence).
The data, as reported: CALIGAN PARTNERS (CRD 289887): 7.B private funds: 3 hedge (gross assets $988M); 5.D assets by client type: pooled vehicles 100% (of $1.3 bn)
The type comes from a rule applied to that data. If it looks wrong, tell us.
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