EcoR1 Capital MNKD Position
Active3-Fund ConvergenceEcoR1 Capital initiated a new position in MannKind Corporation (MNKD) in Q4 2025, holding $9.4M worth of shares across 1,660,000 shares.
MNKD is a convergence signal: 3 specialist biotech funds hold this stock, suggesting high institutional conviction.
There is an upcoming Phase 2 readout for Technosphere Insulin in 228 days (Nov 30, 2026), making the timing of EcoR1's position particularly relevant.
About MannKind Corporation
MannKind Corporation, a biopharmaceutical company, focuses on the development and commercialization of inhaled therapeutic products for endocrine and orphan lung diseases in the United States. It offers Afrezza, an inhaled insulin used to improve glycemic control in adults with diabetes. It also promotes Thyquidity to adult and pediatric endocrinologists, and other healthcare providers for the treatment of hypothyroidism. The company has a license and collaboration agreement with United Therapeutics Corporation. It also has an agreement with NRx Pharmaceuticals to develop a dry powder formulation of ZYESAMI (aviptadil), a synthetic form of human vasoactive intestinal peptide to help protect cells against inflammatory conditions. MannKind Corporation was incorporated in 1991 and is headquartered in Westlake Village, California.
Full company profile →Short Interest
7.5%
3.0 days to cover
Frequently Asked Questions
Does EcoR1 Capital own MNKD?
Yes. As of Q4 2025, EcoR1 Capital holds 1,660,000 shares of MannKind Corporation (MNKD) valued at $9.4M. This data comes from their SEC 13F filing.
How many hedge funds own MNKD?
3 specialist biotech hedge funds currently hold MNKD, including Avoro Capital Advisors, Deerfield Management. When 3 or more specialist funds hold the same stock, BiotechEdge flags it as a convergence signal.
When did EcoR1 Capital first buy MNKD?
EcoR1 Capital's position in MNKD was first reported in Q4 2025. 13F filings are reported with a 45-day delay, so the actual purchase may have occurred earlier in the quarter.
Is EcoR1 Capital's MNKD position increasing or decreasing?
EcoR1 Capital initiated a new position in MNKD in the most recent quarter. This is their first reported holding.
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