Mercer Global Advisors
SION

Mercer Global Advisors’s Sionna Therapeutics SION Stock Holding History

Mercer Global Advisors’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 		$12.2K Buy
+278
New +$11.1K ﹤0.01% 5052

Other funds holding SION

AVLSA
Atlas Venture Life Science Advisors Cambridge, Massachusetts $881M AUM 160.77% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Jennison Associates
Jennison Associates New York $167B AUM 44.17% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
SL
Siren LLC Greenwich, Connecticut $4.94B AUM 244.43% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
DCM
Driehaus Capital Management Chicago, Illinois $17.3B AUM 211.34% 1-Year Est. Return
Franklin Resources
Franklin Resources San Mateo, California $462B AUM 39.16% 1-Year Est. Return

Mercer Global Advisors's SION Position: Q2 2026 in Review

Mercer Global Advisors opened a new position in Sionna Therapeutics (SION) in Q2 2026: 278 shares worth $12.2K. The stake represents ﹤0.01% of the portfolio and ranks #5052 among its holdings.

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

  • Mercer Global Advisors held 278 shares of Sionna Therapeutics worth $12.2K as of Q2 2026.
  • Sionna Therapeutics was a new Mercer Global Advisors position in Q2 2026.
  • Sionna Therapeutics made up ﹤0.01% of Mercer Global Advisors's portfolio in Q2 2026, its #5052 holding.
  • 89 funds tracked by Wall St. Rank held Sionna Therapeutics as of Q2 2026.

Based on Mercer Global Advisors's 13F filing for Q2 2026, filed 11 Aug 2026.