Orchestra BioMed Holdings Inc.
Ownership
Ownership Structure
Who owns Orchestra BioMed Holdings Inc. (OBIO)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 54.8% of the shares are freely tradable; institutional investors hold 41.7%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| RTW INVESTMENTS, LLC | 13.82 | 8,306,063 | +0.0 | 03/31/2026 |
| Perceptive Advisors LLC | 8.38 | 5,037,906 | +0.0 | 06/30/2026 |
| Vanguard Capital Management, LLC | 3.67 | 2,204,319 | +0.0 | 03/31/2026 |
| Alyeska Investment Group, L.P. | 1.66 | 1,000,000 | +0.0 | 03/31/2026 |
| Propel Bio Management LLC | 1.49 | 896,701 | +0.0 | 06/30/2026 |
| BlackRock Inc | 1.06 | 635,714 | +0.8 | 03/31/2026 |
| Geode Capital Management, LLC | 0.81 | 485,492 | +2.6 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 2.45 | 1,470,063 | +0.0 | 07/31/2026 |
| iShares Russell 2000 ETF | 1.36 | 818,302 | -0.6 | 08/31/2026 |
| Vanguard Institutional Extnd Mkt Idx Tr | 0.83 | 498,632 | +0.0 | 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 |
|---|---|---|---|---|---|
| Hochman David P | See Remarks | 1,503,662 | 8,721,240 $ | Sep 3, 2026 | both |
| Sherman Darren | See Remarks | 1,136,402 | 6,591,132 $ | Aug 26, 2026 | both |
| Taylor Andrew Lawrence | Chief Financial Officer | 589,989 | 3,421,936 $ | Aug 26, 2026 | direct |
| Fain Eric S | Director | 99,630 | 577,854 $ | Aug 12, 2026 | indirect |
| Mack John Prosper | Director | 66,544 | 385,955 $ | Aug 12, 2026 | direct |
| Pacitti David | Director | 54,750 | 317,550 $ | Aug 12, 2026 | direct |
| Cleary Chris | Director | 29,153 | 169,087 $ | Aug 12, 2026 | direct |
| Aiello Joshua | Principal Accounting Officer | 18,441 | 106,958 $ | Aug 26, 2026 | direct |
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 10, 2026 | Hochman David P | See Remarks | Other | 3,283 | 5.81 | 19,074 |
| Sep 3, 2026 | Hochman David P | See Remarks | Buy | 10,000 | 4.79 | 47,900 |
| Sep 1, 2026 | Sherman Darren | See Remarks | Sell | 15,000 | 4.94 | 74,100 |
| Aug 26, 2026 | Taylor Andrew Lawrence | Chief Financial Officer | Other | 3,076 | 5.26 | 16,180 |
| Aug 26, 2026 | Sherman Darren | See Remarks | Buy | 2,000 | 5.33 | 10,660 |
| Aug 26, 2026 | Sherman Darren | See Remarks | Other | 4,925 | 5.26 | 25,906 |
| Aug 26, 2026 | Aiello Joshua | Principal Accounting Officer | Other | 203 | 5.26 | 1,068 |
| Aug 12, 2026 | Pacitti David | Director | Other | 3,761 | 4.42 | 16,624 |
| Aug 12, 2026 | Fain Eric S | Director | Other | 5,145 | 4.42 | 22,741 |
| Aug 12, 2026 | Mack John Prosper | Director | Other | 4,885 | 4.42 | 21,592 |
| Aug 12, 2026 | Cleary Chris | Director | Other | 4,238 | 4.42 | 18,732 |
| Aug 3, 2026 | Sherman Darren | See Remarks | Sell | 15,000 | 4.09 | 61,350 |
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: September 17, 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.