WhichIndex

Which indexes is Proto Labs in?

Proto Labs is in 2 of the 57 indexes we track. Its largest weight is 0.07% in the Russell 2000, where it ranks #523 of 1963.

Ticker
PRLB (NYSE)
Country
United States
Sector
Industrials
Size
Mid cap (market cap $2–10 billion; exact figure in the ranking)
Data as of
16 Oct 2026

Member of 2 indexes

Proto Labs's index memberships
IndexWeight %RankIndex size
Russell 20000.075231963
NYSE Composite0.00 (est.)16581865

Source: each index's own source, listed on its page. How we source this. Weights are estimates where marked. This page is refreshed when a membership changes or a weight moves by more than 10%; each index page has the daily figures.

Proto Labs across every index we track

Lit tiles are the indexes Proto Labs belongs to; the shade is its weight there.

Fewermore

Neighbours by weight

The members ranked just above and just below Proto Labs in each index
IndexRanked aboveRanked below
Russell 2000Progyny (0.07%)Recursion Pharmaceuticals Class A (0.07%)
NYSE CompositePropetro Holding (0.00%)Pursuit Attractions And Hospitalit (0.00%)

Not in

Among the indexes we track for United States.