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
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 $9.44B AUM 157.3% 1-Year Est. Return
TGA
TPG GP A Fort Worth, Texas $3.68B AUM 14.99% 1-Year Est. Return
O
OrbiMed New York $5.05B AUM 125.28% 1-Year Est. Return
Viking Global Investors
Viking Global Investors Stamford, Connecticut $35.7B AUM 21.3% 1-Year Est. Return
AVLSA
Atlas Venture Life Science Advisors Cambridge, Massachusetts $790M AUM 223.66% 1-Year Est. Return
ES
Enavate Sciences Menlo Park, California $352M AUM 220.14% 1-Year Est. Return
Jennison Associates
Jennison Associates New York $145B AUM 34.61% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

JP Morgan Chase's SION Position: Q1 2026 in Review

JP Morgan Chase increased its Sionna Therapeutics (SION) stake by 19% in Q1 2026, buying an estimated $8.9M and bringing the position to 1,465,014 shares worth $53.7M. The position accounts for ﹤0.01% of the portfolio, ranked #1355.

JP Morgan Chase first reported a position in SION in Q1 2025 and has held it in 5 quarters since. The position peaked at $58.2M in Q3 2025. 122 funds tracked by Wall St. Rank hold SION as of Q1 2026.

  • JP Morgan Chase held 1,465,014 shares of Sionna Therapeutics worth $53.7M as of Q1 2026.
  • JP Morgan Chase bought 233,195 Sionna Therapeutics shares in Q1 2026, an estimated $8.9M.
  • Sionna Therapeutics made up ﹤0.01% of JP Morgan Chase's portfolio in Q1 2026, its #1355 holding.
  • JP Morgan Chase first reported a position in Sionna Therapeutics in Q1 2025 and has held it in 5 quarters since.
  • JP Morgan Chase's Sionna Therapeutics position peaked at $58.2M in Q3 2025.
  • 122 funds tracked by Wall St. Rank held Sionna Therapeutics as of Q1 2026.

Based on JP Morgan Chase's 13F filing for Q1 2026, filed 13 May 2026.