Bank of New York Mellon’s Sionna Therapeutics SION Stock Holding History
Bought
Maintained
Sold
Other funds holding SION
AVLSA
VCM
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Bank of New York Mellon's SION Position: Q2 2026 in Review
Bank of New York Mellon increased its Sionna Therapeutics (SION) stake by 23% in Q2 2026, buying an estimated $312K and bringing the position to 41,586 shares worth $1.83M. The position accounts for ﹤0.01% of the portfolio, ranked #2999.
Bank of New York Mellon first reported a position in SION in Q2 2025 and has held it in 5 quarters since. 83 funds tracked by Wall St. Rank hold SION as of Q2 2026.
- Bank of New York Mellon held 41,586 shares of Sionna Therapeutics worth $1.83M as of Q2 2026.
- Bank of New York Mellon bought 7,808 Sionna Therapeutics shares in Q2 2026, an estimated $312K.
- Sionna Therapeutics made up ﹤0.01% of Bank of New York Mellon's portfolio in Q2 2026, its #2999 holding.
- Bank of New York Mellon first reported a position in Sionna Therapeutics in Q2 2025 and has held it in 5 quarters since.
- 83 funds tracked by Wall St. Rank held Sionna Therapeutics as of Q2 2026.
Based on Bank of New York Mellon's 13F filing for Q2 2026, filed 6 Aug 2026.