Covestor’s Sionna Therapeutics SION Stock Holding History

Covestor’s Portfolio SION Stock Details SION Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$1K	Buy	12 +9	+300%	+$360	﹤0.01%	2424
2026 Q1	$0	Buy	+3	New	+$114	﹤0.01%	2885

Other funds holding SION

RCM

RA Capital Management Boston, Massachusetts $11.5B AUM 168.77% 1-Year Est. Return

TGA

TPG GP A Fort Worth, Texas $5B AUM 58.56% 1-Year Est. Return

Viking Global Investors Stamford, Connecticut $35.1B AUM 21.36% 1-Year Est. Return

AVLSA

Atlas Venture Life Science Advisors Cambridge, Massachusetts $881M AUM 160.77% 1-Year Est. Return

OrbiMed New York $5.4B AUM 163.13% 1-Year Est. Return

Enavate Sciences Menlo Park, California $345M AUM 134.64% 1-Year Est. Return

Adage Capital Partners Boston, Massachusetts $71.3B AUM 56.8% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Jennison Associates New York $167B AUM 44.17% 1-Year Est. Return

Covestor's SION Position: Q2 2026 in Review

Covestor increased its Sionna Therapeutics (SION) stake by 300% in Q2 2026, buying an estimated $360 and bringing the position to 12 shares worth $1K. The position accounts for ﹤0.01% of the portfolio, ranked #2424.

Covestor first reported a position in SION in Q1 2026 and has held it in 2 quarters since. 146 funds tracked by Wall St. Rank hold SION as of Q2 2026.

Covestor held 12 shares of Sionna Therapeutics worth $1K as of Q2 2026.
Covestor bought 9 Sionna Therapeutics shares in Q2 2026, an estimated $360.
Sionna Therapeutics made up ﹤0.01% of Covestor's portfolio in Q2 2026, its #2424 holding.
Covestor first reported a position in Sionna Therapeutics in Q1 2026 and has held it in 2 quarters since.
146 funds tracked by Wall St. Rank held Sionna Therapeutics as of Q2 2026.

Based on Covestor's 13F filing for Q2 2026, filed 7 Aug 2026.