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Adds vs. Reduces by Quarter
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BIIB —
BIOGEN INC
CUSIP: 09062X103 · Held by 5 superinvestors · Combined value: $376,018,392
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| # | Investor | % of Portfolio | Value ($) | Shares | Recent Activity | Share Change |
|---|---|---|---|---|---|---|
| 1 | Ken Griffin | 0.0% | $107,252,530 | 609,424 | REDUCE | -162,504 |
| 2 | Samantha McLemore | 3.9% | $101,432,302 | 576,352 | ADD | +179,703 |
| 3 | Sarah Ketterer | 1.3% | $91,708,545 | 521,101 | REDUCE | -46,417 |
| 4 | Jim Simons | 0.1% | $70,254,504 | 399,196 | REDUCE | -565,210 |
| 5 | Hillman Capital | 3.4% | $5,370,511 | 30,516 | REDUCE | -7,838 |
| Investor | Activity | Share Change | % Change |
|---|---|---|---|
| Samantha McLemore | ADD | +179,703 | +45.3% |
| Hillman Capital | REDUCE | -7,838 | -20.4% |
| Jim Simons | REDUCE | -565,210 | -58.6% |
| Ken Griffin | REDUCE | -162,504 | -21.1% |
| Sarah Ketterer | REDUCE | -46,417 | -8.2% |
| Ray Dalio | SOLD | -39,983 | Exit |
| Investor | Activity | Share Change | % Change |
|---|---|---|---|
| Ray Dalio | NEW BUY | +39,983 | New |
| Samantha McLemore | ADD | +76,183 | +23.8% |
| Sarah Ketterer | ADD | +74,163 | +15.0% |
| Hillman Capital | REDUCE | -3,618 | -8.6% |
| Jim Simons | REDUCE | -80,700 | -7.7% |
| Ken Griffin | REDUCE | -573,562 | -42.6% |
Who Owns BIIB? Superinvestor Holdings
BIOGEN INC is held by 5 tracked superinvestors, with a combined position value of $376 million . The largest positions are held by Ken Griffin (0.0% of portfolio), Samantha McLemore (3.9% of portfolio), Sarah Ketterer (1.3% of portfolio).
In the most recent quarter, 1 superinvestor added or initiated positions while 4 reduced or exited.