Across 67 Cault collections, 46% of sets are still sealed — and the most common set is in only 13% of them

The condition of 1,839 sets

Nearly one set in two is still sealed, one in four is built. "Sealed" is the condition recorded in the collection: it doesn't say whether the set was bought to be opened one day, kept as is, or received as a gift. This figure describes a condition, not an intention.

The most common set is in only 13% of collections

The first on the list, the Millennium Falcon, is in 9 collections out of 69: 13%. No set does better, and only sets present in at least 5 collections appear. In other words, 87% of collections don't even have the most common set. Every collection is different from the others — which is, in my view, the most interesting data point on this page.

What we don't publish

The ranking of most-wished sets (wishlists) is empty: no set reaches 5 collections on a wishlist, and below that threshold we publish nothing. We could have shown a "top" of three or four sets; it would have pointed at individuals more than at trends.

How we measured

• LEGO sets in Cault collections, excluding sold sets, reading of September 21, 2026. 67 collections for the condition breakdown; 69 for the ownership ranking, whose scope is slightly wider.
• Aggregated counts only. A line only appears if it covers at least 5 collections. No identifier, no individual price.

My take

It's tempting to read "46% sealed" as an investors' figure. I won't: without knowing why a set stayed closed, we know nothing of the intention. What I take away is the opposite of a ranking — a long tail. If even the most common set is only in 13% of collections, then "the sets everyone has" barely exist, and comparing your collection to an average makes little sense. The right comparison is each set against its own price.