Invesco
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Invesco’s Sionna Therapeutics SION Stock Holding History

Invesco’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 		$546K Buy
12,418
+1,631
+15% +$65.2K ﹤0.01% 3204
2026
Q1 		$432K Sell
10,787
-100,375
-90% -$3.83M ﹤0.01% 3216
2025
Q4 		$4.57M Buy
+111,162
New +$4.22M ﹤0.01% 2276

Other funds holding SION

RA Capital Management
RA Capital Management Boston, Massachusetts $11.5B AUM 168.77% 1-Year Est. Return
TPG GP A
TPG GP A Fort Worth, Texas $5B AUM 58.56% 1-Year Est. Return
Viking Global Investors
Viking Global Investors Stamford, Connecticut $35.1B AUM 21.36% 1-Year Est. Return
Atlas Venture Life Science Advisors
Atlas Venture Life Science Advisors Cambridge, Massachusetts $881M AUM 160.77% 1-Year Est. Return
OrbiMed
OrbiMed New York $5.4B AUM 163.13% 1-Year Est. Return
ES
Enavate Sciences Menlo Park, California $345M AUM 134.64% 1-Year Est. Return
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $71.3B AUM 56.8% 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

Invesco's SION Position: Q2 2026 in Review

Invesco increased its Sionna Therapeutics (SION) stake by 15% in Q2 2026, buying an estimated $65.2K and bringing the position to 12,418 shares worth $546K. The position accounts for ﹤0.01% of the portfolio, ranked #3204.

Invesco first reported a position in SION in Q4 2025 and has held it in 3 quarters since. The position peaked at $4.57M in Q4 2025. 146 funds tracked by Wall St. Rank hold SION as of Q2 2026.

  • Invesco held 12,418 shares of Sionna Therapeutics worth $546K as of Q2 2026.
  • Invesco bought 1,631 Sionna Therapeutics shares in Q2 2026, an estimated $65.2K.
  • Sionna Therapeutics made up ﹤0.01% of Invesco's portfolio in Q2 2026, its #3204 holding.
  • Invesco first reported a position in Sionna Therapeutics in Q4 2025 and has held it in 3 quarters since.
  • Invesco's Sionna Therapeutics position peaked at $4.57M in Q4 2025.
  • 146 funds tracked by Wall St. Rank held Sionna Therapeutics as of Q2 2026.

Based on Invesco's 13F filing for Q2 2026, filed 14 Aug 2026.