Climb Bio Inc
Ownership
Ownership Structure
Who owns Climb Bio Inc (CLYM)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 67.5% of the shares are freely tradable; institutional investors hold 66.5%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| RA Capital Management, LLC | 19.68 | 11,300,939 | +0.0 | 06/30/2026 |
| FMR Inc | 11.82 | 6,790,364 | +106,049.2 | 06/30/2026 |
| UBS Group AG | 5.93 | 3,404,866 | +3,861.7 | 06/30/2026 |
| BRAIDWELL LP | 4.87 | 2,797,375 | +82.9 | 06/30/2026 |
| Adage Capital Partners Gp LLC | 4.36 | 2,506,000 | +0.0 | 06/30/2026 |
| BlackRock Inc | 4.10 | 2,354,872 | +486.3 | 06/30/2026 |
| T. Rowe Price Associates, Inc. | 3.70 | 2,127,281 | +11.0 | 06/30/2026 |
| Cormorant Asset Management, LLC | 3.67 | 2,106,000 | +0.0 | 06/30/2026 |
| Frontier Capital Management CO Inc | 3.38 | 1,939,019 | +0.0 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Fidelity Small Cap Growth | 3.28 | 1,884,570 | +4.9 | 07/31/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Thomas Stephen Basil | Director | 467,969 | 4,352,112 $ | Sep 15, 2026 | direct |
| Ra Capital Management, L.p. | Director | 70,000 | 651,000 $ | Sep 28, 2026 | indirect |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 28, 2026 | Ra Capital Management, L.p. | Director | Other | 40,000 | 1.29 | 51,600 |
| Sep 28, 2026 | Ra Capital Management, L.p. | Director | Other | 10,000 | 7.89 | 78,900 |
| Sep 15, 2026 | Thomas Stephen Basil | Director | Sell | 100,000 | 13.67 | 1,366,820 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: November 4, 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.