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Business Summary
Filings
Ownership
Valuation
Ownership — BBOT
Institutional Holdings
Insider Transactions
US Institutional Ownership
71.4%
Institution
Shares
Value
Ownership %
Change
Filing Date
Cormorant Asset Management, LP
17.88M
$160.0M
22.32%
--
2026-03-31
DEERFIELD MANAGEMENT COMPANY, L.P.
4.89M
$43.0M
6.10%
--
2026-03-31
Omega Fund Management, LLC
3.29M
$29.0M
4.11%
--
2026-03-31
Alphabet Inc.
2.82M
$25.0M
3.52%
--
2026-03-31
EcoR1 Capital, LLC
2.82M
$25.0M
3.52%
--
2026-03-31
WELLINGTON MANAGEMENT GROUP LLP
2.82M
$25.0M
3.52%
-88.7K
2026-03-31
ENAVATE SCIENCES GP, LLC
2.63M
$23.0M
3.28%
--
2026-03-31
CITADEL ADVISORS LLC
2.53M
$22.0M
3.16%
-1.6K
2026-03-31
NOVO HOLDINGS A/S
2.19M
$19.0M
2.73%
+224.6K
2026-03-31
BlackRock, Inc.
2.09M
$18.0M
2.61%
+3.5K
2026-03-31
Laurion Capital Management LP
1.92M
$17.0M
2.40%
+457.7K
2026-03-31
ARMISTICE CAPITAL, LLC
1.33M
$11.0M
1.66%
+328.0K
2026-03-31
Aisling Capital Management LP
1.02M
$9.0M
1.27%
+453.4K
2026-03-31
Paradigm Biocapital Advisors LP
868.2K
$7.0M
1.08%
-1.39M
2026-03-31
Octagon Capital Advisors LP
719.0K
$6.0M
0.90%
-324.1K
2026-03-31
ROYCE & ASSOCIATES LP
636.5K
$5.0M
0.79%
--
2026-03-31
GEODE CAPITAL MANAGEMENT, LLC
579.2K
$5.0M
0.72%
+17.2K
2026-03-31
EVENTIDE ASSET MANAGEMENT, LLC
541.2K
$4.0M
0.68%
-541.2K
2026-03-31
VANGUARD CAPITAL MANAGEMENT LLC
538.4K
$4.0M
0.67%
--
2026-03-31
PRICE T ROWE ASSOCIATES INC /MD/
437.9K
$3.0M
0.55%
-365.2K
2026-03-31
ADAGE CAPITAL PARTNERS GP, L.L.C.
400.0K
$3.0M
0.50%
-1.00M
2026-03-31
Ensign Peak Advisors, Inc
320.9K
$2.0M
0.40%
--
2026-03-31
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
290.8K
$2.0M
0.36%
+11.8K
2026-03-31
Casdin Capital, LLC
282.3K
$2.0M
0.35%
--
2026-03-31
Ikarian Capital, LLC
270.2K
$2.0M
0.34%
+50.0K
2026-03-31
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