PRLB — PROTO LABS INC

Ownership history in TWO SIGMA SECURITIES, LLC  ·  2 quarters on record

This page tracks every 13F SEC filing in which TWO SIGMA SECURITIES, LLC reported a position in PROTO LABS INC (PRLB). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
0.06% (2025 Q3)
Avg. % of fund
0.03%
First filed
2018 Q2
Last filed
2025 Q3
Quarters held
2
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q3 ADDED 8,178 +6,100 +293.6% 0.06% $409K $50.03
2018 Q2 INITIATED 2,078 — — 0.00% $247K —
% of Fund (quarterly)    PRLB price (monthly, adj. close)

Other funds also holding PRLB

As of 2025 Q4 — sorted by position size

S Squared Technology, LLC 3Y 7Y 6.0% DISCIPLINED GROWTH INVESTORS INC /MN 3Y 7Y 2.59% AMERICAN CAPITAL MANAGEMENT INC 3Y 7Y 1.41% GAGNON SECURITIES LLC 3Y 7Y 1.15% Rubric Capital Management LP 3Y 7Y 0.68% AIMZ Investment Advisors, LLC 3Y 7Y 0.57% RICE HALL JAMES & ASSOCIATES, LLC 3Y 7Y 0.32% Hillsdale Investment Management Inc. 3Y 7Y 0.23% DRIEHAUS CAPITAL MANAGEMENT LLC 3Y 7Y 0.13% Jackson Creek Investment Advisors LLC 3Y 0.13%
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