Follow-The-Filings

Security · featured owners

SION Sionna Therapeutics Inc.

COM Equity as of 2026 Q2 among managers we track

  • 1 Owner
  • Max 0.4%
  • $141M
  • 1 exit

Who owns this now

Largest portfolio weights among featured holders · max 0.4% (Andreas Halvorsen - Viking Global Investors) · not free-float ownership

  1. Andreas Halvorsen 0.40%

holders

sorted by value · long equity only · current book 2026 Q2 · open a manager for their book

history
Andreas Halvorsen - Viking Global Investors 2026 Q2 0.40% Hold 3,195,181 $141M history
Polen Capital Management exited 2026 Q2 last 2026 Q1 0.01% Exit −0.01 pp 26,775 $1M history

1 current · 1 exited last period · options excluded

financials

US-GAAP annual · as tagged in Form 10-K · fiscal years · values link to the SEC filing

Income statement

Metric FY2025
Net income -$75.27M

Balance sheet

Metric FY2025
Total current assets $241.42M
Total non-current assets * $84.53M
Total assets $325.95M
Total current liabilities $11.71M
Total non-current liabilities * $7.41M
Total equity $306.83M

Cash flow

Metric FY2025
Cash from operations -$66.3M
Cash from investing -$118.75M
Cash from financing $205.71M
Net change in cash $20.66M

Source: SEC companyfacts (US-GAAP 10-K) · * = computed (not a single XBRL tag) · fiscal year as labeled by the issuer · not adjusted or audited by Follow-The-Filings

ownership over time

filing count by report period · click a bar for that quarter’s holders