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Business Summary
Filings
Ownership
Valuation
Ownership — ANAB
Institutional Holdings
Insider Transactions
US Institutional Ownership
95.3%
Institution
Shares
Value
Ownership %
Change
Filing Date
EcoR1 Capital, LLC
7.88M
$437.0M
27.14%
--
2026-03-31
BlackRock, Inc.
1.68M
$93.0M
5.79%
-53.0K
2026-03-31
TANG CAPITAL MANAGEMENT LLC
1.33M
$73.0M
4.58%
-1.2K
2026-03-31
MORGAN STANLEY
993.9K
$55.0M
3.42%
-40.7K
2026-03-31
STATE STREET CORP
992.4K
$55.0M
3.42%
-61.0K
2026-03-31
Affinity Asset Advisors, LLC
940.0K
$52.0M
3.24%
+495.3K
2026-03-31
VANGUARD CAPITAL MANAGEMENT LLC
853.2K
$47.0M
2.94%
--
2026-03-31
Sanofi
821.9K
$30.0M
2.83%
--
2026-03-31
Palo Alto Investors LP
638.2K
$35.0M
2.20%
-51.9K
2026-03-31
683 Capital Management, LLC
625.0K
$34.0M
2.15%
-23.1K
2026-03-31
D. E. Shaw & Co., Inc.
579.3K
$32.0M
2.00%
-91.0K
2026-03-31
First Light Asset Management, LLC
565.4K
$31.0M
1.95%
-80.8K
2026-03-31
GEODE CAPITAL MANAGEMENT, LLC
520.2K
$28.0M
1.79%
+50.7K
2026-03-31
VANGUARD PORTFOLIO MANAGEMENT LLC
519.9K
$28.0M
1.79%
--
2026-03-31
BANK OF AMERICA CORP /DE/
501.1K
$27.0M
1.73%
+370.3K
2026-03-31
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
492.1K
$27.0M
1.70%
-67.6K
2026-03-31
MILLENNIUM MANAGEMENT LLC
475.6K
$26.0M
1.64%
-338.0K
2026-03-31
FMR LLC
472.7K
$26.0M
1.63%
+445.6K
2026-03-31
FEDERATED HERMES, INC.
364.1K
$20.0M
1.25%
+64.7K
2026-03-31
Woodline Partners LP
344.3K
$19.0M
1.19%
-156.8K
2026-03-31
GOLDMAN SACHS GROUP INC
332.7K
$18.0M
1.15%
-66.2K
2026-03-31
Synergy Asset Management, LLC
317.1K
$17.0M
1.09%
--
2026-03-31
Nuveen, LLC
316.1K
$17.0M
1.09%
-620
2026-03-31
Squarepoint Ops LLC
267.7K
$14.0M
0.92%
+107.0K
2026-03-31
Qube Research & Technologies Ltd
254.7K
$14.0M
0.88%
+145.8K
2026-03-31
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