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Business Summary
Filings
Ownership
Valuation
Ownership — BCYC
Institutional Holdings
Insider Transactions
US Institutional Ownership
49.8%
Institution
Shares
Value
Ownership %
Change
Filing Date
BAKER BROS. ADVISORS LP
10.89M
$50.0M
15.62%
--
2026-03-31
FCPM III SERVICES B.V.
3.47M
$16.0M
4.98%
--
2026-03-31
ARMISTICE CAPITAL, LLC
3.40M
$15.0M
4.87%
+162.0K
2026-03-31
Long Focus Capital Management, LLC
3.31M
$15.0M
4.75%
+1.68M
2026-03-31
Siren, L.L.C.
1.56M
$7.0M
2.24%
-451.9K
2026-03-31
GSK plc
1.53M
$7.0M
2.19%
--
2026-03-31
PRINCIPAL FINANCIAL GROUP INC
1.17M
$5.0M
1.69%
+26.4K
2026-03-31
PRICE T ROWE ASSOCIATES INC /MD/
1.03M
$4.0M
1.48%
-143.5K
2026-03-31
RENAISSANCE TECHNOLOGIES LLC
979.3K
$4.0M
1.40%
+412.7K
2026-03-31
MORGAN STANLEY
618.3K
$2.0M
0.89%
+153.1K
2026-03-31
DIADEMA PARTNERS LP
476.4K
$2.0M
0.68%
--
2026-03-31
Birchview Capital, LP
463.6K
$2.0M
0.67%
+899
2026-03-31
Silvercrest Asset Management Group LLC
428.7K
$1.0M
0.61%
-48.3K
2026-03-31
CITADEL ADVISORS LLC
410.7K
$1.0M
0.59%
+97.6K
2026-03-31
MARSHALL WACE, LLP
377.3K
$1.0M
0.54%
+338.5K
2026-03-31
Qube Research & Technologies Ltd
308.6K
$1.0M
0.44%
--
2026-03-31
JANE STREET GROUP, LLC
303.0K
$1.0M
0.43%
+225.0K
2026-03-31
MILLENNIUM MANAGEMENT LLC
284.0K
$1.0M
0.41%
-42.6K
2026-03-31
BlackRock, Inc.
279.0K
$1.0M
0.40%
-53.9K
2026-03-31
MOORE CAPITAL MANAGEMENT, LP
275.0K
$1.0M
0.39%
--
2026-03-31
Rangeley Capital, LLC
232.3K
$1.0M
0.33%
+100.3K
2026-03-31
Palo Alto Investors LP
201.9K
--
0.29%
-19.2K
2026-03-31
Eversept Partners, LP
190.7K
--
0.27%
+11.8K
2026-03-31
PINNACLE ASSOCIATES LTD
185.4K
--
0.27%
-5.1K
2026-03-31
PLATINUM INVESTMENT MANAGEMENT LTD
184.6K
--
0.26%
--
2026-03-31
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