SO
SION

STRS Ohio’s Sionna Therapeutics SION Stock Holding History

STRS Ohio’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 		$154K Buy
3,500
+600
+21% +$24K ﹤0.01% 1714
2026
Q1 		$116K Buy
+2,900
New +$111K ﹤0.01% 1717
2025
Q3 		– Sell
-2,300
Closed -$39.9K – 2309
2025
Q2 		$39.9K Buy
+2,300
New +$30.1K ﹤0.01% 2058

Other funds holding SION

Aberdeen Group
Aberdeen Group Edinburgh, United Kingdom $71.2B AUM 41.74% 1-Year Est. Return
AA
ALPS Advisors Denver, Colorado $21.3B AUM 23.41% 1-Year Est. Return
New York State Common Retirement Fund
New York State Common Retirement Fund Albany, New York $79.3B AUM 43.63% 1-Year Est. Return
CUAMC
China Universal Asset Management Company Shanghai, China $1.67B AUM 89% 1-Year Est. Return
PFSRSONJ
Police & Firemen's Retirement System of New Jersey Trenton, New Jersey $13.3B AUM 45.46% 1-Year Est. Return
AA
AlphaCentric Advisors San Juan, Puerto Rico $118M AUM
Mirae Asset Global Investments
Mirae Asset Global Investments Seoul, South Korea $67.7B AUM 51.91% 1-Year Est. Return
GI
GAMMA Investing Foster City, California $2.69B AUM 42.78% 1-Year Est. Return
FFA
Farther Finance Advisors San Francisco, California $12.8B AUM 26.53% 1-Year Est. Return
SCM
Sterling Capital Management Charlotte, North Carolina $5.9B AUM 29.63% 1-Year Est. Return

STRS Ohio's SION Position: Q2 2026 in Review

STRS Ohio increased its Sionna Therapeutics (SION) stake by 21% in Q2 2026, buying an estimated $24K and bringing the position to 3,500 shares worth $154K. The position accounts for ﹤0.01% of the portfolio, ranked #1714.

STRS Ohio first reported a position in SION in Q2 2025 and has held it in 3 quarters since. 17 funds tracked by Wall St. Rank hold SION as of Q2 2026.

  • STRS Ohio held 3,500 shares of Sionna Therapeutics worth $154K as of Q2 2026.
  • STRS Ohio bought 600 Sionna Therapeutics shares in Q2 2026, an estimated $24K.
  • Sionna Therapeutics made up ﹤0.01% of STRS Ohio's portfolio in Q2 2026, its #1714 holding.
  • STRS Ohio first reported a position in Sionna Therapeutics in Q2 2025 and has held it in 3 quarters since.
  • 17 funds tracked by Wall St. Rank held Sionna Therapeutics as of Q2 2026.

Based on STRS Ohio's 13F filing for Q2 2026, filed 30 Jul 2026.