PROTO LABS, INC. (PRLB)
FABRICATED STRUCTURAL METAL PRODUCTS
PROTO LABS, INC. (PRLB) is listed on the New York Stock Exchange, where it has traded since February 24, 2012.
- Listed On
- the New York Stock Exchange
- Listed Since
- February 24, 2012
- Employees
- 2,280
- Market Cap
- $2.2B
About PROTO LABS, INC.
Proto Labs Inc is an on-demand manufacturer of custom parts for prototyping and short-run production. The company offers developers and engineers quick-turn production services to reduce the time to market. The Lab uses injection molding, computer numerical control machining, and 3-D printing, and sheet metal to manufacture custom parts for its clients. The company services clients' needs for prototype solutions, parts for testing procedures, bridge production capabilities during disruptions in manufacturing processes, limited-quantity requests, and end-of-life production support. Geographically, a majority of the company's revenue is derived from the United States and the rest from Europe.
Institutional ownership
In 13F filings for the quarter ended June 30, 2026, 269 institutions reported holding PRLB, with 22.4 million shares worth $1.8 billion in aggregate. The largest reported holder was BlackRock, with 3.9 million shares worth $317.6 million. Of the 5 largest holders listed below, 3 added shares and 2 reduced their positions during the quarter.
| Institution | Shares | Value | Quarter change |
|---|---|---|---|
| BlackRock | 3,896,222 | $318M | Added 5.94% |
| Vanguard | 2,844,558 | $232M | Added 2.98% |
| Disciplined Growth Investors Inc /MN | 2,380,514 | $194M | Reduced 4.68% |
| Dimensional Fund Advisors | 1,152,305 | $94M | Reduced 9.44% |
| State Street | 1,138,462 | $93M | Added 4.25% |
Form 13F is a quarterly report that institutional investment managers with at least $100 million in qualifying securities file with the SEC. It lists long positions as of the last day of the quarter and is due within 45 days of quarter end, so these holdings describe that date rather than today.
Frequently asked questions
What is PRLB?
PROTO LABS, INC. (PRLB) is listed on the New York Stock Exchange, where it has traded since February 24, 2012.
Who are the largest institutional holders of PRLB?
In 13F filings for the quarter ended June 30, 2026, the largest reported holders of PRLB were BlackRock, Vanguard and Disciplined Growth Investors Inc /MN.
How many institutions own PRLB?
269 institutions reported a position in PRLB for the quarter ended June 30, 2026, worth $1.8 billion in total.
Did institutions buy or sell PRLB last quarter?
Of the 5 largest reported holders, 3 added shares and 2 reduced their positions during the quarter. Every reported holder and its change is on the SentiSense ownership page for PRLB.
Every reported institutional holder, plus insider and congressional trades in PRLB, on SentiSense.