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Business Summary
Filings
Ownership
Valuation
Ownership — WHWK
Institutional Holdings
Insider Transactions
US Institutional Ownership
75.7%
Institution
Shares
Value
Ownership %
Change
Filing Date
Yu Fan
4.86M
$22.0M
8.53%
+2.79M
2026-06-30
ACUTA CAPITAL PARTNERS, LLC
4.69M
$21.0M
8.22%
+1.28M
2026-06-30
QVT Financial LP
4.62M
$21.0M
8.10%
--
2026-06-30
MONTANOVA CAPITAL, LLC
4.30M
$19.0M
7.54%
+600.0K
2026-06-30
ORBIMED ADVISORS LLC
3.93M
$18.0M
6.90%
-231.7K
2026-06-30
Avoro Capital Advisors LLC
2.85M
$13.0M
5.00%
--
2026-06-30
Siren, L.L.C.
2.34M
$10.0M
4.10%
+255.1K
2026-06-30
KVP Capital Advisors, LP
2.17M
$9.0M
3.80%
--
2026-06-30
BlackRock, Inc.
1.92M
$8.0M
3.37%
+1.57M
2026-06-30
VANGUARD CAPITAL MANAGEMENT LLC
1.39M
$6.0M
2.44%
+72.8K
2026-06-30
ADAR1 Capital Management, LLC
1.34M
$6.0M
2.35%
+1.21M
2026-06-30
ACORN CAPITAL ADVISORS, LLC
1.14M
$5.0M
2.00%
--
2026-06-30
STEMPOINT CAPITAL LP
1.02M
$4.0M
1.79%
+81.7K
2026-06-30
GEODE CAPITAL MANAGEMENT, LLC
899.8K
$4.0M
1.58%
+442.2K
2026-06-30
Ally Bridge Group (NY) LLC
817.9K
$3.0M
1.43%
--
2026-06-30
Woodline Partners LP
436.6K
$1.0M
0.77%
+155.1K
2026-06-30
RENAISSANCE TECHNOLOGIES LLC
413.8K
$1.0M
0.73%
-14.8K
2026-06-30
STATE STREET CORP
387.0K
$1.0M
0.68%
+226.6K
2026-06-30
MILLENNIUM MANAGEMENT LLC
380.4K
$1.0M
0.67%
+70.7K
2026-06-30
Eversept Partners, LP
303.3K
$1.0M
0.53%
-3.5K
2026-06-30
Verdad Advisers, LP
301.5K
$1.0M
0.53%
+186.0K
2026-06-30
TWO SIGMA INVESTMENTS, LP
296.6K
$1.0M
0.52%
--
2026-06-30
Balyasny Asset Management L.P.
288.1K
$1.0M
0.51%
-262.3K
2026-06-30
NORTHERN TRUST CORP
264.7K
$1.0M
0.46%
+157.4K
2026-06-30
VANGUARD FIDUCIARY TRUST CO
246.9K
$1.0M
0.43%
+32.1K
2026-06-30
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