US IPOs and Secondary Offerings, IPO Boutique

IPO Boutique

For more than 20 years, we have been providing research, analysis, commentary and ratings on US Equity Capital Markets to institutional investors (US IPOs and Secondary Offerings). Our vast network of contacts across the Equity Capital Markets and attention-to-detail sets us apart from our competitors.

Since 2012, we have achieved a successful hit rating on 89% of Buy-rated IPOs. The collective “Buy” ratings averaged a first trade of 16.3% above issue.Our Neutral Rated Deals averaged just 2% above the issue price at first trade.

Our written research includes pre-IPO notes before the deal is launched, follow-up analysis once the deal is live and post-listing trading analysis as well.

In addition, we provide a high-touch premium desk access which includes analyst access, as well as real time insights on US IPOs as well as secondary offerings.

US IPOs and Secondary Offerings

Sionna Therapeutics, Inc. (SION): Phase I Cystic Fibrosis Biotech Sets Terms for IPO

Sionna Therapeutics Inc. (SION): Biotech Guiding to High-End Pricing; Expecting Strong Outcome

Sionna Therapeutics Inc. (SION): RA Capital Backed Biotech IPO Booms in Debut

IPOs and Secondary Offerings

Equity Capital Markets

Sionna Therapeutics / Equity Capital Markets

<ul>
<li>. The company priced an upsized 10.6 million share deal at $18.00—the high end of its $16.00–$18.00 range—and opened at $25.00, a 38.9% premium at first trade.</li>
<li>The turnaround began in late April, and the rebound was steady. A key catalyst came in June when Sionna reported Phase I data that met market expectations.</li>
<li>Behind Metsera, Sionna Therapeutics has been the number two biotech IPO performer in 2025. </li>
</ul>


. The company priced an upsized 10.6 million share deal at $18.00—the high end of its $16.00–$18.00 range—and opened at $25.00, a 38.9% premium at first trade.
The turnaround began in late April, and the rebound was steady. A key catalyst came in June when Sionna reported Phase I data that met market expectations.
Behind Metsera, Sionna Therapeutics has been the number two biotech IPO performer in 2025. 


Sionna Therapeutics (SION) Six Month Summary: Hot Start, Cold Reality, and a Strong Spring Rebound