Mutual of America Capital Management’s Sionna Therapeutics SION Stock Holding History

Mutual of America Capital Management’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	$1.58M	Buy	+35,968	New	+$1.44M	0.02%	885

Other funds holding SION

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

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

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Aberdeen Group Edinburgh, United Kingdom $71.2B AUM 41.74% 1-Year Est. Return

SCM

Soleus Capital Management Greenwich, Connecticut $2.9B AUM 169.69% 1-Year Est. Return

Citigroup New York $303B AUM 53.02% 1-Year Est. Return

Walleye Capital New York $28B AUM 44.22% 1-Year Est. Return

Deutsche Bank Frankfurt Am Main Ge, Germany $344B AUM 42.99% 1-Year Est. Return

TD Asset Management Toronto, Ontario, Canada $115B AUM 41.58% 1-Year Est. Return

ALPS Advisors Denver, Colorado $21.3B AUM 23.41% 1-Year Est. Return

Mutual of America Capital Management's SION Position: Q2 2026 in Review

Mutual of America Capital Management opened a new position in Sionna Therapeutics (SION) in Q2 2026: 35,968 shares worth $1.58M. The stake represents 0.02% of the portfolio and ranks #885 among its holdings.

50 funds tracked by Wall St. Rank hold SION as of Q2 2026.

Mutual of America Capital Management held 35,968 shares of Sionna Therapeutics worth $1.58M as of Q2 2026.
Sionna Therapeutics was a new Mutual of America Capital Management position in Q2 2026.
Sionna Therapeutics made up 0.02% of Mutual of America Capital Management's portfolio in Q2 2026, its #885 holding.
50 funds tracked by Wall St. Rank held Sionna Therapeutics as of Q2 2026.

Based on Mutual of America Capital Management's 13F filing for Q2 2026, filed 11 Aug 2026.