OBIO · Insider trading · 13F holders · Congress trades
Orchestra BioMed Holdings, Inc. (OBIO)
Who is buying and selling OBIO: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 5
- Insider buys, 90 days
- $59K
- Insider sales, 90 days
- $231K
- Congress trades, 12 months
- 0
OBIO at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 2 OBIO insiders filed 2 open-market purchases worth $59K and 3 sales worth $231K on SEC Form 4; 3 of the sales were pre-planned under Rule 10b5-1.
- 5 13F filers hold OBIO among their 50 largest positions, worth $48.0M combined. The biggest bets by portfolio weight are Propel Bio Management, LLC (2.0%), Knott David M Jr (0.6%) and Daytona Street Capital LLC (0.5%). In their latest 13Fs, 1 manager opened a new position and 1 added to one.
- No member of Congress has disclosed a trade in OBIO.
- OBIO last closed at $6.09 on Oct 29, 2026.
OBIO insider trading
Between Aug 1, 2026 and Oct 29, 2026, 2 OBIO insiders filed 2 open-market purchases worth $59K and 3 sales worth $231K on SEC Form 4; 3 of the sales were pre-planned under Rule 10b5-1.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Oct 2, 2026 | Sherman Darren | See Remarks, Director | Sale10b5-1 | 15,000 | $6.36 | $95K | SEC |
| Sep 8, 2026 | Hochman David P | See Remarks, Director | Buy | 10,000 | $4.79 | $48K | SEC |
| Sep 2, 2026 | Sherman Darren | See Remarks, Director | Sale10b5-1 | 15,000 | $4.94 | $74K | SEC |
| Aug 28, 2026 | Sherman Darren | See Remarks, Director | Buy | 2,000 | $5.33 | $11K | SEC |
| Aug 4, 2026 | Sherman Darren | See Remarks, Director | Sale10b5-1 | 15,000 | $4.09 | $61K | SEC |
Who owns OBIO? Hedge funds and superinvestors
5 13F filers hold OBIO among their 50 largest positions, worth $48.0M combined. The biggest bets by portfolio weight are Propel Bio Management, LLC (2.0%), Knott David M Jr (0.6%) and Daytona Street Capital LLC (0.5%). In their latest 13Fs, 1 manager opened a new position and 1 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Rtw Investments, LPHedge fund | 0.4% | $41.2M | 9,556,063 | +15.0% shares | Q2 2026 |
| Propel Bio Management, LLCHedge fund | 2.0% | $3.9M | 896,701 | +0.0% shares | Q2 2026 |
| Knott David M JrInvestment manager | 0.6% | $1.1M | 253,651 | +0.0% shares | Q2 2026 |
| Flat Footed LLCHedge fund | 0.2% | $1.1M | 251,372 | New | Q2 2026 |
| Daytona Street Capital LLCWealth manager | 0.5% | $744K | 123,148 | — | Q3 2026 |
Each manager counts with its latest 13F (Q3 2026: 1, Q2 2026: 4). Screen OBIO in the grand portfolio →
OBIO stock trades by members of Congress
No member of Congress has disclosed a trade in OBIO.
OBIO questions and answers
Are insiders buying OBIO stock?
Between Aug 1, 2026 and Oct 29, 2026, 2 OBIO insiders filed 2 open-market purchases worth $59K and 3 sales worth $231K on SEC Form 4; 3 of the sales were pre-planned under Rule 10b5-1.
Which hedge funds own OBIO?
5 13F filers hold OBIO among their 50 largest positions, worth $48.0M combined. The biggest bets by portfolio weight are Propel Bio Management, LLC (2.0%), Knott David M Jr (0.6%) and Daytona Street Capital LLC (0.5%). In their latest 13Fs, 1 manager opened a new position and 1 added to one.
Has Congress traded OBIO?
No member of Congress has disclosed a trade in OBIO.
Who is the largest holder of OBIO?
Among 13F filers, Rtw Investments, LP reports the largest OBIO position, $41.2M (9,556,063 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Propel Bio Management, LLC's: 2.0% of its portfolio.
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