VarCov Co’s Sionna Therapeutics SION Stock Holding History

VarCov Co’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	$282K	Sell	6,418 -153	-2%	-$6.12K	0.11%	277
2026 Q1	$263K	Buy	+6,571	New	+$251K	0.1%	304

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

VarCov Co's SION Position: Q2 2026 in Review

VarCov Co reduced its Sionna Therapeutics (SION) stake by 2.3% in Q2 2026, selling an estimated $6.12K and leaving 6,418 shares worth $282K. The position accounts for 0.11% of the portfolio, ranked #277.

VarCov Co 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.

VarCov Co held 6,418 shares of Sionna Therapeutics worth $282K as of Q2 2026.
VarCov Co sold 153 Sionna Therapeutics shares in Q2 2026, an estimated $6.12K.
Sionna Therapeutics made up 0.11% of VarCov Co's portfolio in Q2 2026, its #277 holding.
VarCov Co 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 VarCov Co's 13F filing for Q2 2026, filed 14 Aug 2026.