Yarrow Bioscience Inc
Ownership
Ownership Structure
Who owns Yarrow Bioscience Inc (YARW)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 18.8% of the shares are freely tradable; institutional investors hold 56.5%.
Largest Shareholders
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Columbia Small Cap Growth Inst | 5.79 | 539,115 | +255.5 | 09/30/2026 |
| Vanguard MStar Total Stk Mkt Idx Invest | 2.88 | 268,300 | +0.0 | 09/30/2026 |
| Fidelity Extended Market Index | 0.41 | 37,886 | +1,243.0 | 09/30/2026 |
| Fidelity Total Market Index | 0.17 | 15,478 | +3,524.8 | 09/30/2026 |
| Fidelity Series Total Market Index | 0.14 | 12,570 | +1,711.2 | 09/30/2026 |
| Columbia VP Small Company Growth 1 | 0.11 | 10,378 | +0.0 | 08/31/2026 |
| Vanguard Balanced Index Inv | 0.05 | 4,480 | +0.0 | 09/30/2026 |
| Vanguard MStar Inst Ttl StkMktIdxInstlPl | 0.04 | 3,992 | +0.0 | 09/30/2026 |
| Vanguard U.S. Eq Idx £ Acc | 0.03 | 3,081 | +0.0 | 09/30/2026 |
| Dimensional US Small Cap ETF | 0.01 | 816 | +0.0 | 10/02/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: November 13, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.