JG
SION

Jain Global’s Sionna Therapeutics SION Stock Holding History

Jain Global’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 		$210K Buy
+4,780
New +$191K ﹤0.01% 1515
2025
Q4 		– Sell
-8,513
Closed -$250K – 1592
2025
Q3 		$250K Buy
+8,513
New +$185K ﹤0.01% 849

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
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

Jain Global's SION Position: Q2 2026 in Review

Jain Global opened a new position in Sionna Therapeutics (SION) in Q2 2026: 4,780 shares worth $210K. The stake represents ﹤0.01% of the portfolio and ranks #1515 among its holdings. This is a return to the name: Jain Global previously reported a position in SION as recently as Q3 2025.

Jain Global first reported a position in SION in Q3 2025 and has held it in 2 quarters since. The position peaked at $250K in Q3 2025. 147 funds tracked by Wall St. Rank hold SION as of Q2 2026.

  • Jain Global held 4,780 shares of Sionna Therapeutics worth $210K as of Q2 2026.
  • Sionna Therapeutics was a new Jain Global position in Q2 2026.
  • Sionna Therapeutics made up ﹤0.01% of Jain Global's portfolio in Q2 2026, its #1515 holding.
  • Jain Global first reported a position in Sionna Therapeutics in Q3 2025 and has held it in 2 quarters since.
  • Jain Global's Sionna Therapeutics position peaked at $250K in Q3 2025.
  • 147 funds tracked by Wall St. Rank held Sionna Therapeutics as of Q2 2026.

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