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Data as of Nov 4, 2026.

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Thematic ETFs

EPAI vs TCAI: Holdings Overlap & Returns

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EPAI and TCAI hold 10% of their weight in the same names.

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Net assets: $5.0m on Nov 3, 2026 for Harbor AI Inflection Strategy ETF, and $230m on Aug 31, 2026 for Tortoise AI Infrastructure ETF.

EPAI on its own →TCAI on its own →
At a glance
59.2%
EPAI in the S&P 500
60.4%
TCAI in the S&P 500
+20.3%
EPAI total return, since launch, Dec 18, 2025
+7.5%
TCAI total return, 1 year
EPAI · 6 months to Nov 4, 2026 41% of its weight is outside the S&P 500
41% of its weight is outside the S&P 50059% of EPAI's weight is in S&P 500 companies and 41% is outside the index. Holdings as of Jul 31, 2026.59%41%of its weight in S&P 500 companiesof its weight outside the S&P 500active share 96% · top ten 37% of the fund · 37 holdings as filed for Jul 31, 2026 · Nasdaq-100: 25% in41% of its weight is outside the S&P 50059% of EPAI's weight is in S&P 500 companies and 41% is outside the index. Holdings as of Jul 31, 2026.59%41%in the S&P 500outsideactive share 96% · Nasdaq-100: 25% in

59% of EPAI's weight is in S&P 500 companies and 41% is outside the index. Holdings as of Jul 31, 2026.

TCAI · 1 year to Nov 4, 2026 40% of its weight is outside the S&P 500
40% of its weight is outside the S&P 50060% of TCAI's weight is in S&P 500 companies and 40% is outside the index. Holdings as of Aug 31, 2026.60%40%of its weight in S&P 500 companiesof its weight outside the S&P 500active share 93% · top ten 43% of the fund · 46 holdings as filed for Aug 31, 2026 · Nasdaq-100: 26% in40% of its weight is outside the S&P 50060% of TCAI's weight is in S&P 500 companies and 40% is outside the index. Holdings as of Aug 31, 2026.60%40%in the S&P 500outsideactive share 93% · Nasdaq-100: 26% in

60% of TCAI's weight is in S&P 500 companies and 40% is outside the index. Holdings as of Aug 31, 2026.

Pair scorecard

TCAI costs 0.23 points a year less.

EPAI vs TCAI: Holdings Overlap & Returns
MeasureEPAITCAI
Return
Total return, 1 yearnot published+7.5%
Drawdown
Below its all-time high25.1%, high on Jun 30, 202639.3%, high on Jun 22, 2026
Benchmark
What it tracksArtificial intelligenceAI infrastructure and chips
Cost and size
Expense ratio0.88%0.65%
Net assets, EPAI as of Nov 3, 2026 and TCAI as of Aug 31, 2026$5.0m$230m
Holdings
Holdings in common10%
ETFIQ S&P 500 Difference Score · EPAI scores higher How much of its weight does it not share with the S&P 500?
IQ Themes Score71.9EPAI65.4TCAI

How different its holdings are from the S&P 500, ranked against 114 thematic ETFs with at least half their money in S&P 500 companies. 100 is best. How it is computed

0.4, the lowest in this set 99.6, the highest

Weight not shared with the S&P 500 only; it says nothing about returns, fees or whether the theme pays off. All thematic ETFs ranked by it →

Method

What they share

10%

By the books each fund has filed, EPAI and TCAI hold 10% of their money in the same securities at the same weight. Holdings dated Jul 31, 2026 and Aug 31, 2026.

0 half 100%

half

10% in common

Positions both hold · largest shared weight first EPAI TCAI
Vertiv Holdings Co 3.60% 5.59%
MasTec Inc 2.62% 2.77%
GE Vernova Inc 2.41% 3.05%
Amphenol Corp 2.72% 1.41%
Only in one fund ↓
Only in EPAI
Applied Materials Inc 4.85%
Teradyne Inc 4.67%
Lam Research Corp 3.81%
Taiwan Semiconductor Manufacturing Co Ltd 3.80%
ASML Holding NV 3.68%
Flex Ltd 3.42%
Monolithic Power Systems Inc 3.37%
FormFactor Inc 3.20%
Only in TCAI
Dell Technologies Inc 6.37%
Micron Technology Inc 5.29%
Sandisk Corp 4.25%
Ciena Corp 4.01%
Seagate Technology Holdings PL 3.83%
Quanta Services Inc 3.64%
nVent Electric PLC 3.42%
Western Digital Corp 3.18%
Check overlap with more funds →

Window by window

Window by window: EPAI vs TCAI: Holdings Overlap & Returns
Total return
WindowEPAITCAI
3 months−13.5%−25.9%
6 months−17.3%−28.8%
1 year–+7.5%
Since launchNot the same days: EPAI Dec 2025 · TCAI Aug 2025+20.3%+40.4%

– means no data for this window. Open this comparison in the app →

Side by side

EPAI Harbor AI Inflection Strategy ETF · Holds 37 stocks in artificial intelligence, 59% of its weight in S&P 500 companies TCAI Tortoise AI Infrastructure ETF · Holds 46 stocks in aI infrastructure and chips, 60% of its weight in S&P 500 companies
Issuer Harbor Tortoise
Theme Artificial intelligence AI infrastructure and chips
In the S&P 500 59.2% 60.4%
Active share vs the S&P 500 95.6% 93.3%
In the Nasdaq-100 24.6% 25.7%
Holdings 37 46
Top ten, share of the fund 37.4% 42.6%
Expense ratio 0.88% 0.65%
Fee for the differing part 0.92% 0.70%
Total return, 1 year +20.3% (since launch, Dec 18, 2025) +7.5%
vs its benchmark not measured not measured
Below its high −25.1% −39.3%
Net assets, EPAI as of Nov 3, 2026 and TCAI as of Aug 31, 2026 $5.0m $230m

As of Nov 4, 2026. Source: ETFIQ.

10% of the two portfolios are the same securities at the same weight.

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About each fund
EPAI

By weight, 59% of EPAI's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 96%. The top ten holdings are 37% of the fund across 37 positions, as filed for Jul 31, 2026. Since it first traded on Dec 18, 2025 the fund returned +20.3% with distributions reinvested. It sits 25.1% below its all-time high of Jun 30, 2026.

TCAI

By weight, 60% 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 43% of the fund across 46 positions, as filed for Aug 31, 2026. Over the year to Nov 4, 2026 the fund returned +7.5% with distributions reinvested. It sits 39.3% below its all-time high of Jun 22, 2026.

Questions people ask

Do EPAI and TCAI hold the same stocks?
By their latest filings, 10% of their books are the same securities at the same weight. Overlap is the sum of the smaller weight of every security they share.
Which is more different from the S&P 500, EPAI or TCAI?
EPAI has 59% of its weight in S&P 500 names and TCAI has 60%, so EPAI differs more from the index.
Which is cheaper, EPAI or TCAI?
EPAI charges 0.88% a year and TCAI charges 0.65%, so TCAI is cheaper. Fees come from each fund's prospectus.
Other comparisons
EPAI vs IVEPEPAI vs AIHYEPAI vs AINFEPAI vs AIPOTCAI vs AIXTCAI vs AIEQTCAI vs AIFDTCAI vs ALAI
Where to next
EPAI on its own →TCAI on its own →EPAI holdings →TCAI dividend history →TCAI holdings →Method →Standards and sources →
Sources and dates
EPAI filings on SEC EDGAR ↗
EPAI prospectus with the expense ratio (SEC) ↗
Harbor page for EPAI ↗
TCAI filings on SEC EDGAR ↗
TCAI prospectus with the expense ratio (SEC) ↗
Tortoise website ↗

Links are sources, not endorsements. A comparison is not a recommendation.

How this is computed

It is a place in a set, not a rating or a recommendation.

Overlap adds up the smaller of the two weights for each security both funds hold.

Every number is an ETFIQ calculation with distributions reinvested.

Cite this pageCitation, APA and Markdown

ETFIQ, EPAI against TCAI, data as of Nov 4, 2026. https://etfiq.com/compare/themes/epai-vs-tcai

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