Susquehanna International Group
SION

Susquehanna International Group’s Sionna Therapeutics SION Stock Holding History

Susquehanna International Group’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 		$293K Buy
+7,310
New +$279K ﹤0.01% 10908
2025
Q3 		– Sell
-14,834
Closed -$257K – 14281
2025
Q2 		$257K Buy
+14,834
New +$194K ﹤0.01% 10679

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
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 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

Susquehanna International Group's SION Position: Q1 2026 in Review

Susquehanna International Group opened a new position in Sionna Therapeutics (SION) in Q1 2026: 7,310 shares worth $293K. The stake represents ﹤0.01% of the portfolio and ranks #10908 among its holdings. This is a return to the name: Susquehanna International Group previously reported a position in SION as recently as Q2 2025.

Susquehanna International Group first reported a position in SION in Q2 2025 and has held it in 2 quarters since. 122 funds tracked by Wall St. Rank hold SION as of Q1 2026.

  • Susquehanna International Group held 7,310 shares of Sionna Therapeutics worth $293K as of Q1 2026.
  • Sionna Therapeutics was a new Susquehanna International Group position in Q1 2026.
  • Sionna Therapeutics made up ﹤0.01% of Susquehanna International Group's portfolio in Q1 2026, its #10908 holding.
  • Susquehanna International Group first reported a position in Sionna Therapeutics in Q2 2025 and has held it in 2 quarters since.
  • 122 funds tracked by Wall St. Rank held Sionna Therapeutics as of Q1 2026.

Based on Susquehanna International Group's 13F filing for Q1 2026, filed 15 May 2026.