Fund · measured from SEC filings
ASML holdings
ASML does not file Form N-PORT, so its holdings cannot be measured the way the rest of this site measures funds. Saying so is more useful than leaving it out.
Not measurable from filings
ASML is structured as a unit investment trust or commodity trust rather than a registered investment company, so it does not file Form N-PORT and its holdings cannot be measured the way the rest of the concentration table is. Saying so is more useful than quietly leaving it out.
Essays that examine ASML
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QQQ Holdings: All 105 Positions, the Top 10 at 45%, and Why It Behaves Like 34 Stocks
What the Invesco QQQ Trust actually held on 30 June 2026, from its SEC Form N-PORT filing: 102 stocks plus three cash and futures lines, the fifty largest with weights, and the arithmetic that turns "105 holdings" into an effective count of 34. Nvidia 7.6%, Apple 6.7%, Micron 5.6%; the top ten are 45.0% and the top fifty 87.5%. Overlap with VOO, VGT, XLK and QQQM, and how the concentration has moved since 2020.
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SOXL Holdings: What the 3x Semiconductor ETF Actually Owns
SOXL's SEC filing lists 42 positions: 30 semiconductor stocks worth 57% of net assets, eight index swaps with a notional of $41 billion (243% of net assets), and 39% in Treasury money funds. The stocks and the swap notional add to exactly 300%. Here is what the 3x semiconductor ETF holds, where the leverage comes from, who the counterparties are, and why its holdings count cannot be read like SOXX's.
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Memory, Logic, and Equipment: What's Actually Inside a Semiconductor ETF
A semiconductor ETF is not one bet — it is a weighted basket of four different businesses (memory, logic/design, foundry, equipment) that peak and trough on...
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