Yarrow Bioscience, Inc. Common Stock (YARW)

PHARMACEUTICAL PREPARATIONS

Yarrow Bioscience, Inc. Common Stock (YARW) is listed on Nasdaq, where it has traded since July 28, 2026.

Listed On
Nasdaq
Listed Since
July 28, 2026
Market Cap
$166M

About Yarrow Bioscience, Inc. Common Stock

Yarrow Bioscience Inc is a clinical-stage biopharmaceutical company focused on developing biotherapeutics for autoimmune thyroid diseases. Its flagship product candidate, YB-101 (also known as GenSci098), is a humanized, monoclonal antibody targeting the thyroid-stimulating hormone receptor, which Yarrow plans to develop for the treatment of Graves' disease (GD) and potentially thyroid eye disease (TED). The company has one reportable segment relating to the research and development of its research programs, GD and TED.

Institutional ownership

In 13F filings for the quarter ended September 30, 2026, 9 institutions reported holding YARW, with 131,759 shares worth $3.0 million in aggregate. The largest reported holder was Geode Capital Management, with 84,720 shares worth $1.9 million. Of the 5 largest holders listed below, all 5 opened new positions in YARW during the quarter.

InstitutionSharesValueQuarter change
Geode Capital Management84,720$2MNew position
Monashee Investment Management40,000$901KNew position
US Bancorp4,992$112KNew position
UBS Group1,744$39KNew position
Citigroup232$5KNew position

Form 13F is a quarterly report that institutional investment managers with at least $100 million in qualifying securities file with the SEC. It lists long positions as of the last day of the quarter and is due within 45 days of quarter end, so these holdings describe that date rather than today.

Frequently asked questions

What is YARW?

Yarrow Bioscience, Inc. Common Stock (YARW) is listed on Nasdaq, where it has traded since July 28, 2026.

Who are the largest institutional holders of YARW?

In 13F filings for the quarter ended September 30, 2026, the largest reported holders of YARW were Geode Capital Management, Monashee Investment Management and US Bancorp.

How many institutions own YARW?

9 institutions reported a position in YARW for the quarter ended September 30, 2026, worth $3.0 million in total.

Did institutions buy or sell YARW last quarter?

Of the 5 largest reported holders, all 5 opened new positions in YARW during the quarter. Every reported holder and its change is on the SentiSense ownership page for YARW.

Every reported institutional holder, plus insider and congressional trades in YARW, on SentiSense.