← Super investors
REGN
Regeneron Pharmaceuticals
4 super-investor ownerscombined $3.70Blargest position 5.0%
1 TRIM
Cohort owners over time
2017Q3 → 2026Q1How many of the cohort members held this stock each quarter.
Now: 1
Peak: 2
Owners (4) · click any column to sort
| #↑ | Manager | % Port. | History | Value | Shares |
|---|---|---|---|---|---|
| 1 | Dodge & Cox Funds | 1.9% | 18q | $3.44B | 4,458,238 |
| 2 | Harry Burn | 3.9% | 3q | $117M | 150,960 |
| 3 | Mason Hawkins | 5.0% | 5q | $101M | 130,662 |
| 4 | Joel Greenblatt | <0.1% | 39q | $37M | 47,687 |
Recent activity (1)
| Manager | Move | % Port. | Δ Shares | Value | Filed |
|---|---|---|---|---|---|
| Mason Hawkins | TRIM | 5.0% | -21% | $101M | May 15, 2026 |
Long US equity 13F-HR filings only. CUSIP 75886F107. Not investment advice.