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Overview
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Business Summary
Filings
Ownership
Valuation
Ownership — RYTM
Institutional Holdings
Insider Transactions
US Institutional Ownership
100.0%
Institution
Shares
Value
Ownership %
Change
Filing Date
RA CAPITAL MANAGEMENT, L.P.
6.67M
$740.0M
9.69%
--
2026-06-30
BlackRock, Inc.
6.16M
$683.0M
8.95%
-80.2K
2026-06-30
BAKER BROS. ADVISORS LP
5.60M
$622.0M
8.14%
--
2026-06-30
PRIMECAP MANAGEMENT CO/CA/
3.17M
$351.0M
4.60%
-248.7K
2026-06-30
VANGUARD PORTFOLIO MANAGEMENT LLC
3.14M
$348.0M
4.56%
+96.2K
2026-06-30
VANGUARD CAPITAL MANAGEMENT LLC
3.01M
$333.0M
4.37%
+38.2K
2026-06-30
JPMORGAN CHASE & CO
2.65M
$292.0M
3.85%
+1.23M
2026-06-30
PERCEPTIVE ADVISORS LLC
2.59M
$287.0M
3.76%
+212.5K
2026-06-30
STATE STREET CORP
2.57M
$285.0M
3.74%
+301.7K
2026-06-30
PRICE T ROWE ASSOCIATES INC /MD/
2.57M
$284.0M
3.73%
+911.3K
2026-06-30
WESTFIELD CAPITAL MANAGEMENT CO LP
2.21M
$245.0M
3.21%
+279.5K
2026-06-30
GOLDMAN SACHS GROUP INC
2.13M
$236.0M
3.09%
+161.1K
2026-06-30
FEDERATED HERMES, INC.
1.79M
$198.0M
2.59%
+499.4K
2026-06-30
Polar Capital Holdings Plc
1.66M
$184.0M
2.42%
+48.0K
2026-06-30
GEODE CAPITAL MANAGEMENT, LLC
1.53M
$170.0M
2.23%
+117.4K
2026-06-30
Capital Research Global Investors
1.53M
$170.0M
2.23%
+416.8K
2026-06-30
CITADEL ADVISORS LLC
1.31M
$145.0M
1.90%
-143.9K
2026-06-30
Checkpoint Capital L.P.
1.19M
$131.0M
1.72%
-41.2K
2026-06-30
Siren, L.L.C.
1.14M
$126.0M
1.65%
+410.8K
2026-06-30
MORGAN STANLEY
1.11M
$123.0M
1.62%
+408.3K
2026-06-30
FMR LLC
1.03M
$113.0M
1.49%
-663.8K
2026-06-30
Pictet Asset Management Holding SA
957.8K
$106.0M
1.39%
+290.7K
2026-06-30
Jupiter Topco LLC
925.5K
$102.0M
1.34%
--
2026-06-30
ALLIANCEBERNSTEIN L.P.
894.7K
$77.0M
1.30%
-15.7K
2026-06-30
Woodline Partners LP
758.9K
$84.0M
1.10%
--
2026-06-30
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