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SIONSION
6 quarters

Position history for BlackRock, Inc.BlackRock, Inc.'s holdings in SIONNA THERAPEUTICS INC

BlackRock, Inc. holds 1.5M shares of SION (SIONNA THERAPEUTICS INC), worth $64.9M as of 2026-Q2. The position was increased (+13.8% shares). SION represents 0.0% of BlackRock, Inc.'s portfolio.

Current Value

$64.9M

Current Shares

1.5M

Total Value Change

+$62.8M

Total Shares Change

+1.3M

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q2
Latest
Increased
1.5M
+13.8%
$64.9M0.0%$43.99
34
2026-Q1
Increased
1.3M
+0.3%
$52M0.0%$34.09
29
2025-Q4
Increased
1.3M
+52.9%
$53.1M0.0%$41.39
41
2025-Q3
Increased
844,605
+32.6%
$24.8M0.0%$29.52
37
2025-Q2
Increased
637,104
+221.1%
$11.1M0.0%$15.84
45
2025-Q1
New
198,396
-
$2.1M0.0%$11.56
40

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

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