Blair William & Co
- SEC CIK
- 0000902367
- Latest filing
- Aug 11, 2026
PRLB holding history
Proto Labs Inc in every 13F filed by Blair William & Co, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
PRLB overviewAll 13F holders of PRLBFull Q2 2026 holdings
- Shares (Q4 2022)
- 0
- Sold out in Q4 2022
- Value
- $0
- % of portfolio
- 0.0%
- Quarters held
- 7
- Since Q1 2021
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q4 2022 | 0 | $0 | 0.0% | −5,544−100.0% | Sold out | Holders |
| Q3 2022 | 5,544 | $202.0K | <0.1% | −255−4.4% | Reduced | Holders |
| Q2 2022 | 5,799 | $277.0K | <0.1% | −1,452−20.0% | Reduced | Holders |
| Q1 2022 | 7,251 | $384.0K | <0.1% | −2,844−28.2% | Reduced | Holders |
| Q4 2021 | 10,095 | $518.0K | <0.1% | −18,799−65.1% | Reduced | Holders |
| Q3 2021 | 28,894 | $1.92M | <0.1% | −26,798−48.1% | Reduced | Holders |
| Q2 2021 | 55,692 | $5.11M | <0.1% | −5,056−8.3% | Reduced | Holders |
| Q1 2021 | 60,748 | $7.40M | <0.1% | – | – | Holders |
Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.