This Investor Sold $5 Million of a Biotech Stock Up 118% in a Year, but Here's Why It Still Seems Bullish on Shares [Yahoo! Finance]
Sionna Therapeutics, Inc. (SION)
Company Research
Source: Yahoo! Finance
On February 17, 2026, OrbiMed Advisors reported selling 143,304 shares of Sionna Therapeutics (NASDAQ:SION) , an estimated $5.43 million trade based on quarterly average pricing. What happened According to a Securities and Exchange Commission (SEC) filing dated February 17, 2026, OrbiMed Advisors reduced its Sionna Therapeutics position by 143,304 shares during the fourth quarter. The estimated transaction value is $5.43 million, calculated using the mean unadjusted closing price for the quarter. The quarter-end position value increased by $37.56 million, reflecting both trading activity and price appreciation. What else to know OrbiMed Advisors' Sionna Therapeutics holding now constitutes 2.99% of its 13F reportable AUM following the sale. Top holdings after the filing: NASDAQ: EWTX: $385,091,379 (7.9% of AUM) NYSE: LLY: $323,693,616 (6.7% of AUM) NYSE: BSX: $230,680,255 (4.7% of AUM) NASDAQ: SVA: $184,466,170 (3.8% of AUM) NYSE: EW: $157,107,225 (3.2% of AUM)
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SION
News
- Sionna Stock Is Up 144% This Past Year. Is the Biotech a Buy as One Fund Makes a $7 Million Bet? [Yahoo! Finance]Yahoo! Finance
- Hot Picks: Biotech picks target cystic fibrosis trials and rare-disease drugs [BNN Bloomberg (Canada)]BNN Bloomberg
- Sionna Therapeutics (SION) had its "buy" rating reaffirmed by UBS Group AG.MarketBeat
- Sionna Therapeutics (SION) had its "buy" rating reaffirmed by Guggenheim.MarketBeat
- Sionna Therapeutics (SION) had its "buy" rating reaffirmed by BTIG Research. They now have a $58.00 price target on the stock.MarketBeat
SION
Earnings
- 11/5/25 - Beat
SION
Sec Filings
- 3/6/26 - Form 4
- 3/5/26 - Form 144
- 3/2/26 - Form S-8
- SION's page on the SEC website