Do DOCK and SEA hold the same stocks?

By their latest filings, 11% 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, DOCK or SEA?

DOCK has 53% of its weight in S&P 500 names and SEA has 9%, so SEA differs more from the index.

Which is cheaper, DOCK or SEA?

DOCK charges 0.35% a year and SEA charges 0.60%, so DOCK is cheaper. Fees come from each fund's prospectus.

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DOCK vs SEA: which is really different?

DOCK and SEA hold 11% of their weight in the same names. Corgi Ports, Rail & Freight ETF and U.S. Global Sea to Sky Cargo ETF.

52.8%

DOCK in the S&P 500

9.2%

SEA in the S&P 500

−4.1%

DOCK total return, since launch

+51.8%

SEA total return, 1 year

DOCK · 3 months to Sep 30, 202647% of its weight is outside the S&P 500

53% of DOCK's weight is in S&P 500 companies and 47% is outside the index

SEA · 1 year to Sep 30, 202691% of its weight is outside the S&P 500

9% of SEA's weight is in S&P 500 companies and 91% is outside the index

ETFIQ Off-Index Score · SEA scores higherHow much of it is not the index it is sold as an alternative to?

DOCK 58.7

SEA 74.4

0.1, the lowest in this set92.0, the highest

A percentile among the 375 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 →

What they hold in common

By the books each fund has filed, DOCK and SEA hold 11% of their money in the same securities at the same weight. Above 50%, holding both is close to holding one of them twice. Holdings dated Jun 30, 2026 and Sep 30, 2026.

50%

half

11% in common

Positions both hold, largest shared weight first

Holding DOCK SEA

United Parcel Service Inc 4.36% 3.15%

Expeditors International of Washington Inc 3.42% 3.12%

FedEx Corp 4.36% 2.95%

Global Ship Lease Inc 0.78% 4.11%

Danaos Corp 0.74% 2.00%

Only in DOCK

Union Pacific Corp 8.32%

Canadian National Railway Co 5.17%

CSX Corp 5.09%

Canadian Pacific Kansas City Ltd 4.86%

PACCAR Inc 4.85%

Norfolk Southern Corp 4.72%

Westinghouse Air Brake Technologies Corp 4.62%

Cummins Inc 3.74%

Only in SEA

DHT Holdings Inc 5.22%

OOIL 5.03%

Wallenius Wilhelmsen ASA 5.00%

COSCO SHIPPING Holdings Co Ltd 4.99%

International Seaways Inc 4.96%

SITC International Holdings Co 4.95%

Kuehne + Nagel International A 4.21%

Wan Hai Lines Ltd 3.98%

Weight overlap is an ETFIQ calculation: for every security both funds hold, the smaller of the two weights, summed.

11% of the two portfolios are the same securities at the same weight.

Performance, window by window

	Total return		vs the S&P 500		vs the Nasdaq-100
Window	DOCK	SEA	DOCK	SEA	DOCK	SEA
3 months	−8.4%	+23.6%	−10.9 pts	+21.0 pts	−10.5 pts	+21.4 pts
6 months	not published	+18.6%	not published	+1.6 pts	not published	−8.3 pts
1 year	not published	+51.8%	not published	+36.1 pts	not published	+28.0 pts
3 years	not published	+86.4%	not published	+1.4 pts	not published	−23.6 pts
Since launch DOCK May 2026 · SEA Jan 2022	−4.1%	+66.9%	−8.5 pts	−15.0 pts	−10.6 pts	−43.5 pts

DOCK and SEA over each window. Every figure is an ETFIQ calculation with distributions reinvested. Source: ETFIQ. Open the live comparison on ETFIQ →

On the same fields

DOCK

Corgi Ports, Rail & Freight ETF · Holds 46 stocks in shipping, aviation and logistics, 53% of its weight in S&P 500 companies

SEA

U.S. Global Sea to Sky Cargo ETF · Holds 29 stocks in shipping, aviation and logistics, 9% of its weight in S&P 500 companies

Issuer Corgi U.S. Global

Theme Shipping, aviation and logistics Shipping, aviation and logistics

In the S&P 500 52.8% 9.2%

Active share vs the S&P 500 98.8% 99.7%

In the Nasdaq-100 13.0% 0.0%

Holdings 46 29

Top ten, share of the fund 50.1% 46.3%

Expense ratio 0.35% 0.60%

Fee for the differing part 0.35% 0.60%

Total return, 1 year −4.1% (since launch on May 6, 2026) +51.8%

vs the S&P 500 −8.5 pts +36.1 pts

vs the Nasdaq-100 −10.6 pts +28.0 pts

Below its high −12.6% −2.5%

Net assets $745,665 $18m

DOCK and SEA on the same fields, as of Sep 30, 2026. Source: ETFIQ.

DOCK in plain words

By weight, 53% of DOCK's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 99%. The top ten holdings are 50% of the fund across 46 positions, as published by its issuer for Sep 30, 2026. Since it launched on May 6, 2026 the fund returned −4.1% with distributions reinvested against +4.5% for the S&P 500, so a holder was behind by 8.5 pts. It sits 12.6% below its all-time high of Jul 23, 2026.

SEA in plain words

By weight, 9% of SEA's portfolio is stocks that are also in the S&P 500; its active share against the S&P 500 is 100%. The top ten holdings are 46% of the fund across 29 positions, as filed for Jun 30, 2026. Over the year to Sep 30, 2026 the fund returned +51.8% with distributions reinvested against +15.7% for the S&P 500, so a holder was ahead by 36.1 pts.

Questions people ask

Do DOCK and SEA hold the same stocks?: By their latest filings, 11% 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, DOCK or SEA?: DOCK has 53% of its weight in S&P 500 names and SEA has 9%, so SEA differs more from the index.
Which is cheaper, DOCK or SEA?: DOCK charges 0.35% a year and SEA charges 0.60%, so DOCK is cheaper. Fees come from each fund's prospectus.

Other comparisons

DOCK vs HULL DOCK vs JETS DOCK vs SHPP DOCK vs BOAT SEA vs SHPP SEA vs HULL SEA vs JETS SEA vs BOAT

DOCK on its own →SEA on its own →How every figure is computed →Standards and sources →

Where these figures came from

DOCK filings on SEC EDGAR ↗DOCK prospectus with the expense ratio (SEC) ↗Corgi website ↗SEA filings on SEC EDGAR ↗SEA prospectus with the expense ratio (SEC) ↗U.S. Global website ↗

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

Cite this page

ETFIQ, DOCK against SEA, data as of Sep 30, 2026. https://etfiq.com/compare/themes/dock-vs-sea

Open data

Free to use with attribution. Every figure is calculated from a named public source; the method is at etfiq.com/methodology.