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SIONSION
6 quarters

Position history for DRIEHAUS CAPITAL MANAGEMENT LLCDRIEHAUS CAPITAL MANAGEMENT LLC's holdings in SIONNA THERAPEUTICS INC

DRIEHAUS CAPITAL MANAGEMENT LLC holds 385,447 shares of SION (SIONNA THERAPEUTICS INC), worth $17M as of 2026-Q2. The position was increased (+403.0% shares). SION represents 0.1% of DRIEHAUS CAPITAL MANAGEMENT LLC's portfolio.

Current Value

$17M

Current Shares

385,447

Total Value Change

+$13.5M

Total Shares Change

+56,558

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q2
Latest
Increased
385,447
+403.0%
$17M0.1%$43.99
46
2026-Q1
Decreased
76,633
-8.6%
$3.1M0.0%$34.09
0
2025-Q4
Unchanged
83,850
0.0%
$3.4M0.0%$41.39
0
2025-Q3
Unchanged
83,850
0.0%
$2.5M0.0%$29.52
0
2025-Q2
Decreased
83,850
-74.5%
$1.5M0.0%$15.84
0
2025-Q1
New
328,889
-
$3.4M0.0%$11.56
37

Other major holders of SION: RA CAPITAL MANAGEMENT, L.P.

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