← Super investors
BIIB
Biogen Inc
4 super-investor ownerscombined $152Mlargest position 3.8%
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 | Samantha McLemore | 2.6% | 9q | $70M | 379,741 |
| 2 | Sarah Ketterer | 0.6% | 8q | $51M | 280,783 |
| 3 | Joel Greenblatt | <0.1% | 38q | $25M | 138,093 |
| 4 | Hillman Capital Management | 3.8% | 26q | $5M | 29,540 |
Recent activity (1)
| Manager | Move | % Port. | Δ Shares | Value | Filed |
|---|---|---|---|---|---|
| Samantha McLemore | TRIM | 2.6% | -34% | $70M | May 14, 2026 |
Long US equity 13F-HR filings only. CUSIP 09062X103. Not investment advice.