LONA · Insider trading · 13F holders · Congress trades
LeonaBio, Inc. (LONA)
Who is buying and selling LONA: 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
- 7
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 0
LONA at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 1 LONA insider filed 1 open-market purchase worth $0.00 on SEC Form 4.
- 7 13F filers hold LONA among their 50 largest positions, worth $24.4M combined. The biggest bets by portfolio weight are Kalehua Capital Management LLC (2.6%), Acorn Capital Advisors, LLC (1.6%) and Propel Bio Management, LLC (0.7%).
- No member of Congress has disclosed a trade in LONA.
- LONA last closed at $4.91 on Oct 29, 2026.
LONA insider trading
Between Aug 1, 2026 and Oct 29, 2026, 1 LONA insider filed 1 open-market purchase worth $0.00 on SEC Form 4.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Oct 28, 2026 | Portman David J. | 10% Owner | Buy | 3,149,470 | $3,149.47 | — | SEC |
Who owns LONA? Hedge funds and superinvestors
7 13F filers hold LONA among their 50 largest positions, worth $24.4M combined. The biggest bets by portfolio weight are Kalehua Capital Management LLC (2.6%), Acorn Capital Advisors, LLC (1.6%) and Propel Bio Management, LLC (0.7%).
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Acorn Capital Advisors, LLCHedge fund | 1.6% | $5.8M | 634,539 | +0.0% shares | Q2 2026 |
| NEA Management Company, LLCHedge fund | 0.3% | $4.3M | 464,398 | +0.0% shares | Q2 2026 |
| Commodore Capital LPHedge fund | 0.3% | $4.3M | 464,398 | +0.0% shares | Q2 2026 |
| Kalehua Capital Management LLCHedge fund | 2.6% | $3.6M | 393,701 | +0.0% shares | Q2 2026 |
| Spruce Street Capital LPHedge fund | 0.7% | $3.6M | 393,701 | +0.0% shares | Q2 2026 |
| Seven Fleet Capital Management LPHedge fund | 0.2% | $1.4M | 154,153 | -6.4% shares | Q2 2026 |
| Propel Bio Management, LLCHedge fund | 0.7% | $1.4M | 149,279 | +0.0% shares | Q2 2026 |
Each manager counts with its latest 13F (Q2 2026: 7). Screen LONA in the grand portfolio →
LONA stock trades by members of Congress
No member of Congress has disclosed a trade in LONA.
LONA questions and answers
Are insiders buying LONA stock?
Between Aug 1, 2026 and Oct 29, 2026, 1 LONA insider filed 1 open-market purchase worth $0.00 on SEC Form 4.
Which hedge funds own LONA?
7 13F filers hold LONA among their 50 largest positions, worth $24.4M combined. The biggest bets by portfolio weight are Kalehua Capital Management LLC (2.6%), Acorn Capital Advisors, LLC (1.6%) and Propel Bio Management, LLC (0.7%).
Has Congress traded LONA?
No member of Congress has disclosed a trade in LONA.
Who is the largest holder of LONA?
Among 13F filers, Acorn Capital Advisors, LLC reports the largest LONA position, $5.8M (634,539 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Kalehua Capital Management LLC's: 2.6% of its portfolio.
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