# PFENEX INC (PFNX)

> Institutional ownership reported to the SEC as of Q2 2022, from Form 13F filings. Source: https://holderbook.com/stocks/PFNX/

- Reporting holders: 1
- Reported value: $3.5M
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [Investment Research & Advisory Group, Inc.](https://holderbook.com/funds/1802136-investment-research-advisory-group-inc/) | $3.5M | 65,826 | 2.5% | 11 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q2 2022 | 1 | $3.5M |
| Q1 2022 | 1 | $3.3M |
| Q4 2021 | 1 | $3.7M |
| Q3 2021 | 1 | $2.8M |
| Q2 2021 | 1 | $2.5M |
| Q1 2021 | 1 | $2.3M |
| Q4 2020 | 1 | $2.1M |
| Q3 2020 | 58 | $316.2M |
| Q2 2020 | 87 | $224.1M |
| Q1 2020 | 99 | $247.5M |
| Q4 2019 | 101 | $282.4M |
| Q3 2019 | 86 | $212.9M |