BBIO
Pharmaceuticals, Biotechnology & Life Sciences
CROWD: AMBER
Institutional ownership is building here (7 rising quarters). Not yet crowded, but the quiet phase is ending.
Active holders
243
of 457 total, index funds excluded
Conviction
4 bps
median holder weight: token bet
Streak
7q
consecutive rising quarters
The crowd, 2016 to now
active holders per quarter
2019Mar 2026
Holdings as of Mar 31, 2026, filed by May 16, 2026. Counts for the newest quarter keep settling for a few weeks as amendments land.
The tide
funds in (up) vs out (down)
Top holders
by reported value · $14.4B held
| Fund | Value | Note |
|---|
| BlackRock, Inc. |
$1.1B |
|
| Kohlberg Kravis Roberts & C… |
$985M |
|
| JANUS HENDERSON GROUP PLC |
$979M |
|
| VIKING GLOBAL INVESTORS LP |
$879M |
|
| FARALLON CAPITAL MANAGEMENT… |
$695M |
|
| VANGUARD PORTFOLIO MANAGEME… |
$600M |
|
| VANGUARD CAPITAL MANAGEMENT… |
$576M |
|
| Aisling Capital Management … |
$378M |
|
| GEODE CAPITAL MANAGEMENT, L… |
$372M |
|
| STATE STREET CORP |
$366M |
|
Tourists vs true believers
every holder a dot · right = bigger bet in their own book, up = patient money
Hover any dot for the fund and its bet size. Patience is measured from each filer's actual quarter-to-quarter turnover across our whole database.