Proto Labs (PRLB) Change in Inventory (2011 - 2026)
Proto Labs' Change in Inventory was $546,000 in Q2 2026, up 91.6% from $285,000 a year earlier but down 6.7% from the prior quarter.
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Analysis
Proto Labs (PRLB) Change in Inventory (2011 - 2026) Analysis & Trends
On a trailing twelve-month basis, Proto Labs' Change in Inventory was $2.26 million through Jun 30, 2026, up 128.8% year-over-year; for FY2025, it was $2.11 million.
- Change in Inventory shows a five-year compound annual growth rate of 26.1% (FY2020 to FY2025).
- In earlier years, Change in Inventory was -$1.26 million in FY2024, -$112,000 in FY2023, $310,000 in FY2022 (-87.0%) and $2.39 million in FY2021 (+261.0%).
- Quarterly Change in Inventory has moved between -$1.3 million (Q4 2022) and $3.34 million (Q4 2021) over five years.
- Per Business Quant data, PRLB's Change in Inventory in the three quarters before Q2 2026 was $585,000 (Q1 2026), $96,000 (Q4 2025) and $1.03 million (Q3 2025).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) | Change Inventory (Qtr) |
|---|---|---|---|---|---|
| 1 | Caterpillar | 340.33 Bn | 312.03 Bn | 7.76 Bn | 1.05 Bn |
| 2 | Amphenol | 195.04 Bn | 189.62 Bn | 3.55 Bn | - |
| 3 | Deere | 171.72 Bn | 139.81 Bn | 4.66 Bn | -295.00 Mn |
| 4 | Eaton | 152.74 Bn | 149.93 Bn | 2.86 Bn | - |
| 5 | Parker-Hannifin | 120.82 Bn | 118.95 Bn | 2.25 Bn | -7.00 Mn |
| 6 | Emerson Electric | 91.30 Bn | 84.04 Bn | 2.66 Bn | 60.00 Mn |
| 7 | 3M | 90.37 Bn | 71.82 Bn | 2.78 Bn | 212.00 Mn |
| 8 | Vertiv Holdings | 81.71 Bn | 72.33 Bn | 1.23 Bn | 663.80 Mn |
| 9 | Illinois Tool Works | 79.34 Bn | 75.90 Bn | 1.90 Bn | 32.00 Mn |
| 10 | Proto Labs | 2.15 Bn | 1.62 Bn | 69.34 Mn | 546,000.00 |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 546,000.00 |
| Mar 31, 2026 | 585,000.00 |
| Dec 31, 2025 | 96,000.00 |
| Sep 30, 2025 | 1.03 Mn |
| Jun 30, 2025 | 285,000.00 |
| Mar 31, 2025 | 698,000.00 |
| Dec 31, 2024 | 63,000.00 |
| Sep 30, 2024 | -58,000.00 |
| Jun 30, 2024 | -461,000.00 |
| Mar 31, 2024 | -802,000.00 |
| Dec 31, 2023 | -262,000.00 |
| Sep 30, 2023 | -401,000.00 |
| Jun 30, 2023 | -90,000.00 |
| Mar 31, 2023 | 641,000.00 |
| Dec 31, 2022 | -1.30 Mn |
| Sep 30, 2022 | -170,000.00 |
| Jun 30, 2022 | 1.11 Mn |
| Mar 31, 2022 | 675,000.00 |
| Dec 31, 2021 | 3.34 Mn |
| Sep 30, 2021 | 777,000.00 |
API Access
Proto Labs Change in Inventory API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=change-in-inventory&ticker=PRLB&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "change-in-inventory", "ticker": "PRLB", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=change-in-inventory&ticker=PRLB&period=max&api_key=YOUR_API_KEY");
const data = await res.json();