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Data as of .

GDOC vs TMAT: which is really different?

GDOC and TMAT hold 2% of their weight in the same names, and GDOC returned more over the year.

Goldman Sachs Future Health Care Equity ETF and Main Thematic Innovation ETF.

56.7%GDOC in the S&P 500
46.4%TMAT in the S&P 500
+13.9%GDOC total return, 1 year
+3.5%TMAT total return, 1 year

ETFIQ Off-Index Score: GDOC scores higher

How much of it is not the index it is sold as an alternative to?

GDOC 33.1TMAT 24.90.1, the lowest in this set91.8, the highest

A percentile among the 379 thematic ETFs with a holdings filing. It is a position in a set, not a rating, and neither end of it is a recommendation. All thematic ETFs ranked by it · How it is computed

GDOC43% of its weight is outside the S&P 500 · 1 year to Sep 18, 2026
57%43%of its weight in S&P 500 companiesof its weight outside the S&P 500active share 95% · top ten 58% of the fund · 41 holdings filed May 31, 2026 · Nasdaq-100: 9% in57%43%in the S&P 500outsideactive share 95% · top ten 58% of the fund
TMAT54% of its weight is outside the S&P 500 · 1 year to Sep 18, 2026
46%54%of its weight in S&P 500 companiesof its weight outside the S&P 500active share 92% · top ten 24% of the fund · 88 holdings filed Apr 30, 2026 · Nasdaq-100: 23% in46%54%in the S&P 500outside the S&P 500active share 92% · top ten 24% of the fund

2% of the two portfolios are the same securities at the same weight.

What they hold in common

By the books each fund has filed, GDOC and TMAT hold 2% of their money in the same securities at the same weight.

Positions GDOC and TMAT both hold, largest shared weight first
HoldingGDOCTMAT
DEXCOM INC2.84%0.50%
METTLER-TOLEDO INTERNATIONAL INC1.61%0.49%
AGILENT TECHNOLOGIES INC2.81%0.48%
INTUITIVE SURGICAL INC3.96%0.35%
INSULET CORP0.29%1.18%
Only in each
Only in GDOCOnly in TMAT
ELI LILLY & COMPANY 13.48%VICOR CORP 2.98%
JOHNSON & JOHNSON 8.19%MICRON TECHNOLOGY INC 2.81%
MERCK & COMPANY INC 6.04%LUMENTUM HOLDINGS INC 2.75%
GUARDANT HEALTH INC 5.42%CIENA CORP 2.61%
ASTRAZENECA PLC 4.92%PALO ALTO NETWORKS INC 2.55%
THERMO FISHER SCIENTIFIC INC 4.59%CLEAR SECURE INC 2.48%
ARGENX SE 4.13%KEYSIGHT TECHNOLOGIES INC 2.26%
BOSTON SCIENTIFIC CORP 3.84%MODINE MANUFACTURING COMPANY 1.94%

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 Apr 30, 2026 and May 31, 2026.

Performance, window by window

GDOC and TMAT over each window. Every figure is an ETFIQ calculation with distributions reinvested. Source: ETFIQ.
WindowTotal returnvs the S&P 500vs the Nasdaq-100
GDOCTMATGDOCTMATGDOCTMAT
3 months+11.7%−5.8%+9.5 pts−8.1 pts+14.2 pts−3.3 pts
6 months+16.6%+21.2%−1.4 pts+3.1 pts−7.6 pts−3.1 pts
1 year+13.9%+3.5%−2.6 pts−13.0 pts−7.8 pts−18.2 pts
3 years+19.5%+105.6%−58.9 pts+27.2 pts−78.7 pts+7.4 pts
Since launch−4.3%+16.5%−79.9 pts−105.8 pts−94.4 pts−120.4 pts
Open the live comparison on ETFIQ
GDOC and TMAT on the same fields, as of Sep 18, 2026. Source: ETFIQ.
GDOC
Goldman Sachs Future Health Care Equity ETF
Holds 41 stocks in broad innovation and megatrends, 57% of its weight in S&P 500 companies
TMAT
Main Thematic Innovation ETF
Holds 88 stocks in broad innovation and megatrends, 46% of its weight in S&P 500 companies
IssuerGoldman SachsMain
ThemeBroad innovation and megatrendsBroad innovation and megatrends
In the S&P 50056.7%46.4%
Active share vs the S&P 50095.3%91.5%
In the Nasdaq-1009.4%22.9%
Holdings4188
Top ten, share of the fund58.2%24.2%
Expense ratio0.75%0.82%
Fee for the differing part0.79%0.90%
Total return, 1 year+13.9%+3.5%
vs the S&P 500−2.6 pts−13.0 pts
vs the Nasdaq-100−7.8 pts−18.2 pts
Below its high−4.5%−9.0%
Net assets$20m$211m

GDOC in plain words

By weight, 57% of GDOC's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 95%. The top ten holdings are 58% of the fund across 41 positions, as filed for May 31, 2026. Over the year to Sep 18, 2026 the fund returned +13.9% with distributions reinvested against +16.6% for the S&P 500, so a holder was behind by 2.6 pts.

TMAT in plain words

By weight, 46% of TMAT's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 92%. The top ten holdings are 24% of the fund across 88 positions, as filed for Apr 30, 2026. Over the year to Sep 18, 2026 the fund returned +3.5% with distributions reinvested against +16.6% for the S&P 500, so a holder was behind by 13.0 pts. It sits 9.0% below its all-time high of Jun 30, 2026.

Questions people ask

Do GDOC and TMAT hold the same stocks?
By their latest filings, 2% of their books are the same securities at the same weight, which is mostly different names. Overlap is the sum of the smaller weight of every security they share.
Which is more different from the S&P 500, GDOC or TMAT?
GDOC has 57% of its weight in S&P 500 names and TMAT has 46%, so GDOC differs more from the index.
Which is cheaper, GDOC or TMAT?
GDOC charges 0.75% a year and TMAT charges 0.82%, so GDOC is cheaper. Fees come from each fund's prospectus.

Other comparisons

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.

GDOC against TMAT, ETFIQ, data as of Sep 18, 2026. Every figure is calculated from a named public source; the method is at etfiq.com/methodology. A comparison is not a recommendation.

Cite this page. ETFIQ, GDOC against TMAT, data as of Sep 18, 2026. https://etfiq.com/compare/themes/gdoc-vs-tmat Free to use with attribution; the underlying files are at Open data.

How every figure is computed · Standards and sources