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ETF comparison

XBI vs XLK

Healthcare vs Technology.

State Street SPDR S&P Biotech ETF · State Street Technology Select Sector SPDR ETF

Holdings overlap

Weighted by ISIN/CUSIP
0.0 %

0 positions appear in both funds. Buying equal dollars of XBI and XLK would leave roughly 0.0% of each dollar exposed to the same underlying securities.

XBI unmatched 100.0% Shared 0.0% XLK unmatched 99.9%

Unmatched is the part of a fund's weight the other fund doesn't match: names only it holds, plus any extra weight it puts in names both funds hold.

In XBI only
156 positions
Shared
0 positions
In XLK only
74 positions

Side by side

XBI

State Street SPDR S&P Biotech ETF

State Street · Healthcare

82 composite / 100
Expense ratio
0.35%
Net assets
$10.36B
TTM yield
0.36%
Top-10 conc.
13.3%
XLK

State Street Technology Select Sector SPDR ETF

State Street · Technology

82 composite / 100
Expense ratio
0.080%
Net assets
$127.30B
TTM yield
0.46%
Top-10 conc.
64.5%

Sub-score comparison

65
Cost
92
85
Tax efficiency
85
100
Liquidity
100
95
Concentration
22
—
Tracking quality
—
XBI sub-score XLK

Tracking quality isn't part of the composite — see what we don't score for why.

Cost difference

XLK is 27 bps cheaper than XBI. On a $100,000 position that's about $270/yr more in fees for XBI.

Fee figure is the annual expense charged on $100,000. To see how the gap compounds over a multi-decade holding period, open the cost calculator pre-filled with XBI vs XLK.

Top shared holdings

0 shared in total

No shared holdings between these funds.

Only in XBI

156 total
  • Apogee Therapeutics Inc 1.49%
  • Moderna Inc 1.41%
  • Twist Bioscience Corp 1.41%
  • Oruka Therapeutics Inc 1.38%
  • Kymera Therapeutics Inc 1.36%
  • Viking Therapeutics Inc 1.30%
  • Praxis Precision Medicines Inc 1.29%
  • Erasca Inc 1.27%
  • Revolution Medicines Inc 1.20%
  • Rhythm Pharmaceuticals Inc 1.20%

Only in XLK

74 total
  • NVIDIA Corp 14.65%
  • Apple Inc 12.85%
  • Microsoft Corp 8.38%
  • Micron Technology Inc 5.42%
  • Broadcom Inc 5.41%
  • Advanced Micro Devices Inc 5.28%
  • Intel Corp 3.68%
  • Applied Materials Inc 3.20%
  • Lam Research Corp 3.02%
  • Cisco Systems Inc 2.58%

Related comparisons

More comparisons with XBI

More comparisons with XLK

Percentages are holdings overlap with the named fund.

Open XBI or XLK at a brokerage

Both funds trade commission-free at major US brokerages.

Open at Fidelity

Affiliate links — opening an account through these earns PlainIndex a one-time referral. Scoring is computed before any affiliate consideration; see our methodology and funding disclosure.

Holdings overlap is the sum of min(weight_a, weight_b) over positions matched on ISIN (CUSIP fallback). Methodology: see /methodology/.

Comparing two funds doesn't endorse swapping one for the other. Tax-lot history, account type, and personal goals matter — PlainIndex publishes data and methodology, not investment advice.