RIL
SION

Rothschild Investment LLC’s Sionna Therapeutics SION Stock Holding History

Rothschild Investment LLC’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 		$40 Hold
1
– – ﹤0.01% 3491
2025
Q4 		$41 Buy
+1
New +$38 ﹤0.01% 3283

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

Rothschild Investment LLC's SION Position: Q1 2026 in Review

Rothschild Investment LLC held its Sionna Therapeutics (SION) position steady in Q1 2026 at 1 share worth $40. The position accounts for ﹤0.01% of the portfolio, ranked #3491.

Rothschild Investment LLC first reported a position in SION in Q4 2025 and has held it in 2 quarters since. The position peaked at $41 in Q4 2025. 122 funds tracked by Wall St. Rank hold SION as of Q1 2026.

  • Rothschild Investment LLC held 1 share of Sionna Therapeutics worth $40 as of Q1 2026.
  • Rothschild Investment LLC left its Sionna Therapeutics share count unchanged in Q1 2026.
  • Sionna Therapeutics made up ﹤0.01% of Rothschild Investment LLC's portfolio in Q1 2026, its #3491 holding.
  • Rothschild Investment LLC first reported a position in Sionna Therapeutics in Q4 2025 and has held it in 2 quarters since.
  • Rothschild Investment LLC's Sionna Therapeutics position peaked at $41 in Q4 2025.
  • 122 funds tracked by Wall St. Rank held Sionna Therapeutics as of Q1 2026.

Based on Rothschild Investment LLC's 13F filing for Q1 2026, filed 7 May 2026.