AIP
SION

Ameritas Investment Partners’s Sionna Therapeutics SION Stock Holding History

Ameritas Investment Partners’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 		$52.2K Hold
1,302
– – ﹤0.01% 2072
2025
Q4 		$53.6K Buy
1,302
+43
+3% +$1.63K ﹤0.01% 2073
2025
Q3 		$37K Hold
1,259
– – ﹤0.01% 2351
2025
Q2 		$21.8K Buy
+1,259
New +$16.5K ﹤0.01% 2616

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

Ameritas Investment Partners's SION Position: Q1 2026 in Review

Ameritas Investment Partners held its Sionna Therapeutics (SION) position steady in Q1 2026 at 1,302 shares worth $52.2K. The position accounts for ﹤0.01% of the portfolio, ranked #2072.

Ameritas Investment Partners first reported a position in SION in Q2 2025 and has held it in 4 quarters since. The position peaked at $53.6K in Q4 2025. 122 funds tracked by Wall St. Rank hold SION as of Q1 2026.

  • Ameritas Investment Partners held 1,302 shares of Sionna Therapeutics worth $52.2K as of Q1 2026.
  • Ameritas Investment Partners left its Sionna Therapeutics share count unchanged in Q1 2026.
  • Sionna Therapeutics made up ﹤0.01% of Ameritas Investment Partners's portfolio in Q1 2026, its #2072 holding.
  • Ameritas Investment Partners first reported a position in Sionna Therapeutics in Q2 2025 and has held it in 4 quarters since.
  • Ameritas Investment Partners's Sionna Therapeutics position peaked at $53.6K in Q4 2025.
  • 122 funds tracked by Wall St. Rank held Sionna Therapeutics as of Q1 2026.

Based on Ameritas Investment Partners's 13F filing for Q1 2026, filed 13 May 2026.