Korsana Biosciences, Inc. Common Stock (KRSA)

PHARMACEUTICAL PREPARATIONS

Korsana Biosciences, Inc. Common Stock (KRSA) is listed on Nasdaq, where it has traded since September 9, 2026.

Listed On
Nasdaq
Listed Since
September 9, 2026
Market Cap
$1.4B

About Korsana Biosciences, Inc. Common Stock

Korsana Biosciences Inc is a biopharmaceutical company developing therapeutics to treat neurodegenerative diseases beginning with Alzheimer's disease (AD. The company's flagship product candidate, KRSA-028, is an anti-amyloid beta antibody that combines the proprietary Therapeutic Targeting (THETA) platform with well-validated aspects from other anti-Ab products that have achieved regulatory approval or are in late-stage clinical trials.

Institutional ownership

In 13F filings for the quarter ended September 30, 2026, 8 institutions reported holding KRSA, with 5.2 million shares worth $166.5 million in aggregate. The largest reported holder was FMR, with 3.2 million shares worth $102.4 million. Of the 5 largest holders listed below, all 5 opened new positions in KRSA during the quarter.

InstitutionSharesValueQuarter change
FMR3,201,135$102MNew position
Sanofi1,994,011$64MNew position
Geode Capital Management7,476$239KNew position
UBS Group694$22KNew position
Group One Trading27$864New 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 KRSA?

Korsana Biosciences, Inc. Common Stock (KRSA) is listed on Nasdaq, where it has traded since September 9, 2026.

Who are the largest institutional holders of KRSA?

In 13F filings for the quarter ended September 30, 2026, the largest reported holders of KRSA were FMR, Sanofi and Geode Capital Management.

How many institutions own KRSA?

8 institutions reported a position in KRSA for the quarter ended September 30, 2026, worth $166.5 million in total.

Did institutions buy or sell KRSA last quarter?

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

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