TODAYMEMORY +5.3%SEMI EQUIPMENT +5.3%DC / NEOCLOUDS +5.3%OPTICAL +5.2%SEMI MATERIALS +4.9%PACKAGING +4.5%AI SOFTWARE -2.5%POWER GEN -3.5%
State Street Investment Management · Technology

XLK

State Street Technology Select Sector SPDR ETF

Price$189.60
Expense ratio0.08%
AUM$121.4B
1-year return+38.0%

#18 of 48 on the ETF board by 1-year total return · Broad tech · prices as of close, Sep 18, 2026

Performance

Total returns with distributions reinvested, over windows ending at the close of Sep 18, 2026. The 3- and 5-year figures are cumulative over the whole period, not annualised.

XLK price, trailing 12 months$137.34 → $183.74
YTD
+31.7%
1 month
+2.1%
3 months
-0.8%
6 months
+37.8%
1 year
+38.0%
3 years
+127.9%
5 years
+153.2%

Past performance does not guarantee future results.

How much of this fund is AI infrastructure?

45.4% of XLK maps to our AI infrastructure sub-sectors, computed from the top 10 holdings, which together account for 61% of the fund.

Sub-sectorWeight of fund
AI Compute25.90%
Hyperscalers10.12%
Memory & Storage4.00%
Networking2.86%
Semi Equipment2.47%

Largest holdings outside our sectors

Not a criticism of the fund — it may hold these deliberately. It is simply the part of the portfolio our AI infrastructure map does not cover.

  • AAPLApple Inc12.50%
  • PLTRPalantir Technologies Inc Ordinary Shares - Class A2.81%

Holdings from Yahoo Finance via yfinance, captured 2026-09-18. Issuers disclose holdings on their own schedules, so this reflects the most recent publication rather than today’s portfolio. Share is computed by us, not supplied by the issuer.

Informational and educational only. Nothing here is financial advice or a recommendation to buy or sell any security.

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