JP Morgan Chase
SION

JP Morgan Chase’s Sionna Therapeutics SION Stock Holding History

JP Morgan Chase’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 		$64.1M Buy
1,490,508
+25,494
+2% +$1.02M ﹤0.01% 1298
2026
Q1 		$53.7M Buy
1,465,014
+233,195
+19% +$8.9M ﹤0.01% 1355
2025
Q4 		$50.7M Sell
1,231,819
-746,807
-38% -$28.3M ﹤0.01% 1358
2025
Q3 		$58.2M Sell
1,978,626
-242,562
-11% -$5.28M ﹤0.01% 1317
2025
Q2 		$38.5M Buy
2,221,188
+51,589
+2% +$676K ﹤0.01% 1492
2025
Q1 		$22.7M Buy
+2,169,599
New +$35.5M ﹤0.01% 1825

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
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
O
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
Jennison Associates
Jennison Associates New York $167B AUM 44.17% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return

JP Morgan Chase's SION Position: Q2 2026 in Review

JP Morgan Chase increased its Sionna Therapeutics (SION) stake by 1.7% in Q2 2026, buying an estimated $1.02M and bringing the position to 1,490,508 shares worth $64.1M. The position accounts for ﹤0.01% of the portfolio, ranked #1298.

JP Morgan Chase first reported a position in SION in Q1 2025 and has held it in 6 quarters since. 146 funds tracked by Wall St. Rank hold SION as of Q2 2026.

  • JP Morgan Chase held 1,490,508 shares of Sionna Therapeutics worth $64.1M as of Q2 2026.
  • JP Morgan Chase bought 25,494 Sionna Therapeutics shares in Q2 2026, an estimated $1.02M.
  • Sionna Therapeutics made up ﹤0.01% of JP Morgan Chase's portfolio in Q2 2026, its #1298 holding.
  • JP Morgan Chase first reported a position in Sionna Therapeutics in Q1 2025 and has held it in 6 quarters since.
  • 146 funds tracked by Wall St. Rank held Sionna Therapeutics as of Q2 2026.

Based on JP Morgan Chase's 13F filing for Q2 2026, filed 12 Aug 2026.