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Data as of Sep 13, 2026. Both funds on the fields they both publish, from the same sources.

ETFIQetfiq.com · independent ETF data

IWC vs TLT: how they differ

IWC and TLT hold 0% of their weight in the same names, and IWC returned more over the year.

iShares Micro-Cap ETF and iShares 20+ Year Treasury Bond ETF.

What they hold in common

By the books each fund has filed, IWC and TLT hold 0% of their money in the same securities at the same weight.

Largest positions each one holds and the other does not
Only in IWCOnly in TLT
CAREDX 0.61%TREASURY BOND (2OLD) 4.16%
SELLAS LIFE SCIENCES GROUP INC 0.60%TREASURY BOND (OLD) 4.05%
NURIX THERAPEUTICS 0.59%TREASURY BOND (OTR) 1.03%
PENGUIN SOLUTIONS INC 0.58%TREASURY BOND 0.02%
OUSTER 0.52%
VIRIDIAN THERAPEUTICS ORS 0.48%
INTERFACE 0.47%
MBX BIOSCIENCES 0.45%

Weight overlap is an ETFIQ calculation: for every security both funds hold, the smaller of the two weights, summed. Above 50%, holding both is close to holding one of them twice. Holdings dated Sep 10, 2026.

IWC and TLT on the fields both publish, as of Sep 13, 2026. Source: ETFIQ.
IWC
iShares Micro-Cap ETF
TLT
iShares 20+ Year Treasury Bond ETF
Where it sitsCore index fundCore index fund
IssueriSharesiShares
What it isRussell Microcap20+ year Treasuries
Total return, 1 year+31.3%−6.4%
S&P 500 over the same days+17.5%+17.5%
Gap to the S&P 500+13.8 pts−23.9 pts
Expense rationot published0.15%
Holdings125241

IWC in plain words

IWC is an index equity fund tracking the Russell Microcap. Over the year to Sep 11, 2026 it returned +31.3% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. By its holdings filed for Sep 10, 2026, 92% of the fund by weight is stocks the S&P 500 also holds, across 1252 positions, with the top ten at 5.1%. It sat 5.0% below its high of Aug 14, 2026 on Sep 11, 2026.

TLT in plain words

TLT is a bond fund tracking the 20+ year Treasuries. Over the year to Sep 11, 2026 it returned −6.4% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.15% a year. It sat 42.9% below its high of Aug 4, 2020 on Sep 11, 2026.

Questions people ask

Which returned more over the last year, IWC or TLT?
In the year to Sep 13, 2026, with distributions reinvested, IWC returned +31.3% and TLT returned −6.4%, so IWC returned more. One year is one year; the longer windows are in the table.

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Where these figures came from

ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.

IWC against TLT, ETFIQ, data as of Sep 13, 2026. Every figure is arithmetic on a named public source; the method is at etfiq.com/methodology. A comparison is not a recommendation.

Cite this page. ETFIQ, IWC against TLT, data as of Sep 13, 2026. https://etfiq.com/compare/any/iwc-vs-tlt Free to use with attribution; the underlying files are at Open data.

A comparison is not a recommendation. Standards and sources