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Data as of .

TCAI vs WDRN: which is really different?

TCAI and WDRN hold 1% of their weight in the same names.

Tortoise AI Infrastructure ETF and WisdomTree Physical AI, Humanoids, and Drones Fund.

63.2%TCAI in the S&P 500
23.1%WDRN in the S&P 500
+67.6%TCAI total return, 1 year
−15.3%WDRN total return, 1 year

ETFIQ Off-Index Score: TCAI scores higher

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

TCAI 28.5WDRN 27.80.1, 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

TCAI37% of its weight is outside the S&P 500 · 1 year to Sep 18, 2026
63%37%of its weight in S&P 500 companiesof its weight outside the S&P 500active share 93% · top ten 51% of the fund · 43 holdings filed May 31, 2026 · Nasdaq-100: 26% in63%37%in the S&P 500outsideactive share 93% · top ten 51% of the fund
WDRN77% of its weight is outside the S&P 500 · 3 months to Sep 18, 2026
23%77%in the S&P 500of its weight outside the S&P 500active share 93% · top ten 36% of the fund · 63 holdings filed Jun 30, 2026 · Nasdaq-100: 13% in23%77%inoutside the S&P 500active share 93% · top ten 36% of the fund

1% of the two portfolios are the same securities at the same weight.

What they hold in common

By the books each fund has filed, TCAI and WDRN hold 1% of their money in the same securities at the same weight.

Positions TCAI and WDRN both hold, largest shared weight first
HoldingTCAIWDRN
NVIDIA Corp0.59%4.62%
Only in each
Only in TCAIOnly in WDRN
Dell Technologies Inc 8.94%TESLA INC 5.74%
Micron Technology Inc 7.64%AMPRIUS TECHNOLOGIES INC 4.35%
Seagate Technology Holdings PL 5.77%HARMONIC DRIVE SYSTEMS INC 3.76%
Western Digital Corp 5.14%RED CAT HOLDINGS INC 3.36%
Ciena Corp 5.10%AURORA INNOVATION INC 3.27%
Vertiv Holdings Co 4.48%ONDAS INC 2.77%
Quanta Services Inc 3.58%HYUNDAI MOTOR COMPANY 2.67%
Sandisk Corp/DE 3.47%ALLIENT INC 2.65%

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 Jun 30, 2026 and May 31, 2026.

Performance, window by window

TCAI and WDRN over each window. Every figure is an ETFIQ calculation with distributions reinvested. Source: ETFIQ.
WindowTotal returnvs the S&P 500vs the Nasdaq-100
TCAIWDRNTCAIWDRNTCAIWDRN
3 months−16.4%−14.7%−18.6 pts−17.0 pts−13.9 pts−12.2 pts
6 months+34.7%not published+16.7 ptsnot published+10.5 ptsnot published
1 year+67.6%not published+51.0 ptsnot published+45.8 ptsnot published
Since launch+88.8%−15.3%+65.8 pts−17.7 pts+59.4 pts−15.7 pts
Open the live comparison on ETFIQ
TCAI and WDRN on the same fields, as of Sep 18, 2026. Source: ETFIQ.
TCAI
Tortoise AI Infrastructure ETF
Holds 43 stocks in aI infrastructure and chips, 63% of its weight in S&P 500 companies
WDRN
WisdomTree Physical AI, Humanoids, and Drones Fund
Holds 63 stocks in artificial intelligence, 23% of its weight in S&P 500 companies
IssuerTortoiseWisdomTree
ThemeAI infrastructure and chipsArtificial intelligence
In the S&P 50063.2%23.1%
Active share vs the S&P 50092.7%92.6%
In the Nasdaq-10026.2%13.1%
Holdings4363
Top ten, share of the fund50.6%35.8%
Expense ratio0.65%0.45%
Fee for the differing part0.70%0.49%
Total return, 1 year+67.6%−15.3% (since launch on May 14, 2026)
vs the S&P 500+51.0 pts−17.7 pts
vs the Nasdaq-100+45.8 pts−15.7 pts
Below its high−18.4%−23.7%
Net assets$217m$18m

TCAI in plain words

By weight, 63% of TCAI's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 93%. The top ten holdings are 51% of the fund across 43 positions, as filed for May 31, 2026. Over the year to Sep 18, 2026 the fund returned +67.6% with distributions reinvested against +16.6% for the S&P 500, so a holder was ahead by 51.0 pts. It sits 18.4% below its all-time high of Jun 22, 2026.

WDRN in plain words

By weight, 23% of WDRN's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 93%. The top ten holdings are 36% of the fund across 63 positions, as filed for Jun 30, 2026. Since it launched on May 14, 2026 the fund returned −15.3% with distributions reinvested against +2.3% for the S&P 500, so a holder was behind by 17.7 pts. It sits 23.7% below its all-time high of Jun 2, 2026.

Questions people ask

Do TCAI and WDRN hold the same stocks?
By their latest filings, 1% 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, TCAI or WDRN?
TCAI has 63% of its weight in S&P 500 names and WDRN has 23%, so TCAI differs more from the index.
Which is cheaper, TCAI or WDRN?
TCAI charges 0.65% a year and WDRN charges 0.45%, so WDRN 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.

TCAI against WDRN, 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, TCAI against WDRN, data as of Sep 18, 2026. https://etfiq.com/compare/themes/tcai-vs-wdrn Free to use with attribution; the underlying files are at Open data.

How every figure is computed · Standards and sources