# Repligen Ord (RGEN): value investors who own it | moatshark

1 value investor held Repligen Ord in their Q3 2026 13F, led by Weitz Investment Management. See who bought, sold and how ownership has changed by quarter.

## 13F holders

| Manager | Portfolio | Value | Change | Quarters held |
| --- | --- | --- | --- | --- |
| Weitz Investment Management | 0.4% | $5.6m | Added +60% | 2 |

## Directors buying and selling (Form 4, last 12 months)

| Date | Who | Role | Bought or sold | Shares | Value |
| --- | --- | --- | --- | --- | --- |
| 2026-10-05 | Loeillot Olivier | Chief Executive Officer | Sold | 4202 | $798k |
| 2026-10-05 | Loeillot Olivier | Chief Executive Officer | Sold | 1333 | $238k |
| 2026-09-24 | Loeillot Olivier | Chief Executive Officer | Sold | 8404 | $1.6m |
| 2026-09-24 | Loeillot Olivier | Chief Executive Officer | Sold | 4542 | $863k |
| 2026-09-21 | Loeillot Olivier | Chief Executive Officer | Sold | 5426 | $977k |
| 2026-09-04 | Loeillot Olivier | Chief Executive Officer | Sold | 3035 | $504k |
| 2026-08-20 | Loeillot Olivier | Chief Executive Officer | Sold | 5426 | $977k |
| 2026-07-16 | Garland Jason K | CFO | Sold | 530 | $80k |

## Fund holders

| Fund | Manager | Weight | Value | As at |
| --- | --- | --- | --- | --- |
| Weitz Partners Value Fund | Weitz Investment Management | 1.1% | $5.5m | 2026-06-30 |

Source: SEC filings, via moatshark (https://www.moatshark.com/s/rgen). Values traded and returns are estimates. Not investment advice. Built 2026-10-21.