PROTO LABS INC (PRLB) — institutional ownership

294 funds reported holding PROTO LABS INC in their latest 13F filings, worth $1.97B in total (CUSIP 743713109).

Largest holders

  1. BlackRock, Inc. (BLK) — $318M
  2. DISCIPLINED GROWTH INVESTORS INC /MN — $194M
  3. VANGUARD GROUP INC — $135M
  4. VANGUARD PORTFOLIO MANAGEMENT LLC — $130M
  5. DIMENSIONAL FUND ADVISORS LP — $93.9M
  6. STATE STREET CORP (STT, STT-PG) — $92.8M
  7. VANGUARD CAPITAL MANAGEMENT LLC — $86.0M
  8. AMERICAN CAPITAL MANAGEMENT INC — $50.5M
  9. GEODE CAPITAL MANAGEMENT, LLC — $50.1M
  10. RENAISSANCE TECHNOLOGIES LLC — $38.2M

Famous investors holding it

Insider buying and selling at PROTO LABS INC