Skip to main content
PlainIndex
Menu

ETF comparison

IJK vs SPYM

US Mid Cap vs US Large Cap.

iShares S&P Mid-Cap 400 Growth ETF · State Street SPDR Portfolio S&P 500 ETF

Holdings overlap

Weighted by ISIN/CUSIP
0.0 %

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

IJK unmatched 99.9% Shared 0.0% SPYM 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 IJK only
243 positions
Shared
0 positions
In SPYM only
506 positions

Side by side

IJK

iShares S&P Mid-Cap 400 Growth ETF

iShares · US Mid Cap

91 composite / 100
Expense ratio
0.16%
Net assets
$10.29B
TTM yield
0.60%
Top-10 conc.
14.4%
SPYM

State Street SPDR Portfolio S&P 500 ETF

State Street · US Large Cap

91 composite / 100
Expense ratio
0.020%
Net assets
$173.63B
TTM yield
1.02%
Top-10 conc.
36.4%

Sub-score comparison

84
Cost
98
89
Tax efficiency
88
100
Liquidity
100
94
Concentration
62
—
Tracking quality
—
IJK sub-score SPYM

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

Cost difference

SPYM is 14 bps cheaper than IJK. On a $100,000 position that's about $140/yr more in fees for IJK.

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 IJK vs SPYM.

Top shared holdings

0 shared in total

No shared holdings between these funds.

Only in IJK

243 total
  • Twilio, Inc. 1.66%
  • Carpenter Technology Corp. 1.62%
  • Curtiss-Wright Corp. 1.48%
  • nVent Electric plc 1.45%
  • ATI, Inc. 1.42%
  • TechnipFMC plc 1.40%
  • Sterling Infrastructure, Inc. 1.36%
  • MasTec, Inc. 1.36%
  • Woodward, Inc. 1.34%
  • MACOM Technology Solutions Holdings, Inc. 1.32%

Only in SPYM

506 total
  • NVIDIA Corp 7.51%
  • Apple Inc 6.59%
  • Microsoft Corp 4.29%
  • Amazon.com Inc 3.62%
  • Alphabet Inc 3.25%
  • Broadcom Inc 2.77%
  • Alphabet Inc 2.59%
  • Micron Technology Inc 2.02%
  • Meta Platforms Inc 1.92%
  • Tesla Inc 1.83%

Related comparisons

More comparisons with IJK

More comparisons with SPYM

Percentages are holdings overlap with the named fund.

Open IJK or SPYM 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.