Fund index
XLK
6 articles on this site analyse XLK — 1 of them head-on.
Measured concentration
as of 2026-06-30XLK reports 78 positions, but the weights make it behave like about 16.3 equally weighted ones. Computed by this site from the fund's SEC Form N-PORT filing — see what this measure does not tell you and the full table.
The same filing says what kind of price those positions carry: 100% of XLK is held at a quoted market price, across 4 issuer countries . Comparisons across every fund are in the valuation table, and what a low share does and does not mean is worth reading before drawing a conclusion from it.
Every filing since 2019
28Between 2019-09-30 and 2026-06-30, XLK went from behaving like 12 equally weighted positions to 16.3 — 36% more, while its top ten went from 64.56% to 64.45% of net assets. Read across the funds on the concentration-over-time table.
| Period | Holdings | Effective | Top 10 | Largest |
|---|---|---|---|---|
| 2026-06-30 | 78 | 16.3 | 64.45% | 14.65% |
| 2026-03-31 | 75 | 15.5 | 61.38% | 15.5% |
| 2025-12-31 | 73 | 15.2 | 62.45% | 14.93% |
| 2025-09-30 | 72 | 15.4 | 61.59% | 14.86% |
| 2025-06-30 | 72 | 15 | 62.27% | 14.71% |
| 2025-03-31 | 72 | 14.9 | 61.1% | 15.58% |
| 2024-12-31 | 72 | 14.3 | 63.21% | 15.44% |
| 2024-09-30 | 73 | 14.8 | 61.92% | 15.01% |
| 2024-06-30 | 69 | 9.9 | 65.49% | 22.19% |
| 2024-03-31 | 68 | 9.4 | 67.15% | 24.08% |
| 2023-12-31 | 67 | 9.1 | 69.13% | 22.34% |
| 2023-09-30 | 67 | 8.6 | 69.62% | 23.23% |
| 2023-06-30 | 68 | 8.5 | 69.82% | 23.46% |
| 2023-03-31 | 69 | 8.4 | 69.4% | 23.79% |
| 2022-12-31 | 78 | 9.3 | 67.27% | 21.98% |
| 2022-09-30 | 78 | 8.7 | 67.21% | 23.26% |
| 2022-06-30 | 78 | 8.4 | 68.42% | 24.5% |
| 2022-03-31 | 78 | 8.8 | 68.25% | 23.45% |
| 2021-12-31 | 78 | 9.1 | 66.85% | 23.46% |
| 2021-09-30 | 77 | 9.7 | 67.46% | 21.97% |
| 2021-06-30 | 77 | 10 | 67.08% | 21.51% |
| 2021-03-31 | 76 | 10.4 | 65.68% | 21.48% |
| 2020-12-31 | 75 | 9.4 | 67.65% | 24.23% |
| 2020-09-30 | 73 | 9.2 | 70.07% | 23.7% |
| 2020-06-30 | 73 | 9.6 | 69.27% | 21.89% |
| 2020-03-31 | 73 | 10.1 | 67.92% | 22.01% |
| 2019-12-31 | 72 | 11.2 | 65.29% | 19.71% |
| 2019-09-30 | 70 | 12 | 64.56% | 19.55% |
One row per filed reporting period, newest first, read from EDGAR. Quarterly because that is the public filing cadence. Rows marked * are published but held out of the comparison above; the methodology page says when and why.
Most often compared against
1Measures applied to it
5All articles
6-
XLC vs VOX: The Communication-Services Sector — Where Big Tech Hides in Plain Sight
XLC and VOX both label themselves "communication services," but the sector is functionally a large-cap growth vehicle: Meta, Alphabet, and Netflix dominate...
-
CIBR vs BUG vs HACK: Cybersecurity ETFs — Where the Holdings and Fees Diverge
All three funds sell the same story — pure-play cybersecurity exposure — but their five-year realized returns span a wide range (7.2% to 14.7% CAGR), and...
-
EWY vs EWT vs KWEB: The Geography of the AI Chip Trade
"Korea," "Taiwan," and "China internet" are marketing labels; under the hood, EWY is largely a memory-chip bet, EWT is a TSMC-centric logic-foundry bet, and...
-
VGT vs XLK: Two Large Technology ETFs — Where the 0.10% Fee Gap Goes
The fee gap is one basis point (VGT 0.09%, XLK 0.08%), not the ten the headline framing usually implies — cost is not where these two funds actually...
-
IGV vs WCLD vs QQQ: Breaking Down the 'Tech Beta' Stack
IGV, WCLD, and QQQ are sold as "tech ETFs" but they are not interchangeable. QQQ is a diversified large-cap growth index, IGV is a concentrated software...
-
BOTZ vs. ROBO vs. AIQ: Three AI & Robotics ETFs Compared
The three funds share a marketing category but not a portfolio: AIQ's 5-year CAGR of 17.2% comes mostly from mega-cap semiconductors and hyperscalers, not...
Mentions are detected across the full text of every article, so an appearance may be a passing comparison rather than the subject. Nothing here is a recommendation to buy or sell — see the disclaimer.