PRLB
PROTO LABS INCData as of 2026 Q1 (03-31) · 13F snapshot
Summary
PROTO LABS INC (PRLB) is held by 7 tracked hedge-fund managers, a combined reported value of ~$40.11M; the largest are Renaissance Technologies, Cathie Wood, Ken Griffin. This quarter: 1 new, 2 added, 4 trimmed. 3 members of Congress have disclosed STOCK Act trades. Data as of 2026 Q1, from public SEC 13F filings, delayed up to ~45 days.
Attention · MediumThis quarter · Mixed
Gurus holding7
Congress trades3
Price$77.64vs quarter-end+36.16%
Sectors0
This quarter's moves
Top holderRenaissance TechnologiesNew1
Added2
Trimmed / sold4
Value $575.9K— of portfolio10,1002026 Q1
Value $344.0K— of portfolio6,8002025 Q4
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Ken GriffinCALL | $575.9K | — | — |
| Ken GriffinPUT | $344.0K | — | — |
ARK ETF holdings
Cathie Wood · dailyARK total shares held · drag to inspect
2026-07-27holds 28,649
- PRNTweight in fund3.91%$2.24M
ARK publishes full ETF holdings daily (SEC Rule 6c-11). Line shows ARK's total shares held over time (not price); markers are buy/sell days. Derived from public CSVs — research only, not investment advice.
Data from public SEC 13F & STOCK Act filings, delayed up to ~45 days, partial holdings only — for research, not investment advice.