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Sionna Therapeutics, Inc.

SION Healthcare
$40.49 $-0.81 (-1.96%)
Market Cap: $1.82 B
Gurus Holding
1
Popularity Rank
#4660
% of Shares Held
7.10%
Net Activity (Q4 2025)
-$429,386

Guru Ownership Trend

Guru Analysis for Sionna Therapeutics, Inc. (SION)

Sionna Therapeutics, Inc. (SION), a key player in the Healthcare sector, continues to attract institutional attention.

As of Q4 2025, a total of 1 Super Investors (Gurus) hold positions in the company, with a combined stake valued at approximately $129.37 M.

Top institutional holders include Andreas Halvorsen.

Institutional sentiment is currently Slightly Bearish. This is evidenced by a $429,386 net outflow during the quarter.

Key Holders

Top 5 by Value

$131.45 M

Top 5 by Conviction

Recent Activity Breakdown (Q4 2025)

+$0
Total Buy Value
New Buys 0
Additions 0
-$429,386
Total Sell Value
Reductions 0
Sold Out 1

Guru Consensus (Q4 2025)

Based on recent activity
Net Sellers
1
Net Buyers
0

FAQs for Sionna Therapeutics, Inc. (SION)

Major holders include Andreas Halvorsen ($131.45 M). According to the latest reported data, 1 tracked investment managers collectively hold approximately 3.2 M shares.

According to the latest 13F reporting period, sentiment appears Bearish (Net Selling). There was a net outflow of $429,386, with 0 managers increasing positions and 1 managers reducing holdings.

During the most recent reporting period, 0 managers trimmed their positions, while 1 fully exited SION. The total reported sell value was $429,386.

No tracked managers opened new positions or increased their holdings in SION during the most recent reporting period.

Portfolio Manager % Portfolio Activity Shares Value Report Date
0.35% 3,195,181 $131.45 M Q4 2025
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