PRLB β€” Proto Labs Inc

Ownership history in RICE HALL JAMES & ASSOCIATES, LLC  Β·  8 quarters on record

AI Ownership Summary

RICE HALL JAMES & ASSOCIATES, LLC reported Proto Labs Inc (PRLB) in 8 quarterly 13F filings from 2024 Q4 through 2025 Q4. Peak portfolio weight reached 0.33% in 2025 Q3. The latest visible filing shows PRLB at 0.32% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings. Older history is available after unlock; the visible window still shows the most recent pattern.

What this PRLB ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was RICE HALL JAMES & ASSOCIATES, LLC's position in Proto Labs Inc, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2025 Q4

PRLB was reported at 0.32% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
0.33% in 2025 Q3

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2024 Q4 to 2025 Q4

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

How RICE HALL JAMES & ASSOCIATES, LLC held PRLB β€” position size vs. price
% of Fund (quarterly)    PRLB price (quarter-end, indexed to 100)
πŸ“‹ Quarterly Holdings History 5 quarters  β–Ύ
Quarter Action Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2025 Q4 REDUCED 114,563 -7,419 -6.1% 0.32% $5.8M 2026-02-14 (Est.) $67.52
2025 Q3 REDUCED 121,982 -23,485 -16.1% 0.33% $6.1M 2025-10-16 $54.53
2025 Q2 REDUCED 145,467 -6,351 -4.2% 0.31% $5.8M 2025-08-11 $46.24
2025 Q1 REDUCED 151,818 -965 -0.6% 0.31% $5.3M 2025-05-01 $35.80
2024 Q4 REDUCED 152,783 -117,603 -43.5% 0.33% $6.0M 2025-01-31 $41.73
3 older quarters hidden  β€”  Sign in free or upgrade to Premium to see full history

🏒 Other funds also holding PRLB

As of 2026 Q1 β€” sorted by position size

Ares Financial Consulting, LLC 0.0%

FAQ About RICE HALL JAMES & ASSOCIATES, LLC and PRLB

These are the practical questions this page is built to answer before you even open the full history table.

How long has RICE HALL JAMES & ASSOCIATES, LLC reported owning PRLB?

RICE HALL JAMES & ASSOCIATES, LLC reported PRLB across 5 quarterly 13F filings, from 2024 Q4 through 2025 Q4.

What was the largest reported PRLB position in RICE HALL JAMES & ASSOCIATES, LLC's portfolio?

The largest reported portfolio weight for PRLB was 0.33% in 2025 Q3.

What is the latest reported PRLB position on this page?

The most recent filing on this page is 2025 Q4, when RICE HALL JAMES & ASSOCIATES, LLC reported 114,563 shares, equal to 0.32% of portfolio, with an estimated market value of $5.8M.

What does the chart on this PRLB ownership page compare?

The chart compares RICE HALL JAMES & ASSOCIATES, LLC's quarterly PRLB portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

← Back to RICE HALL JAMES & ASSOCIATES, LLC Holdings