ALTO · Insider trading · 13F holders · Congress trades
Alto Ingredients, Inc. (ALTO)
Who is buying and selling ALTO: 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
- 2
- Insider buys, 90 days
- $247K
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 0
ALTO at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 1 ALTO insider filed 2 open-market purchases worth $247K on SEC Form 4.
- 2 13F filers hold ALTO among their 50 largest positions, worth $2.1M combined. The biggest bets by portfolio weight are Corsair Capital Management, L.P. (0.2%) and Hamilton Capital Partners, LLC (0.2%). In their latest 13Fs, 1 manager opened a new position and 0 added to one.
- No member of Congress has disclosed a trade in ALTO.
- ALTO last closed at $3.65 on Oct 29, 2026.
ALTO insider trading
Between Aug 1, 2026 and Oct 29, 2026, 1 ALTO insider filed 2 open-market purchases worth $247K on SEC Form 4.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Sep 14, 2026 | Nathan Gilbert E | Director | Buy | 10,000 | $3.93 | $39K | SEC |
| Aug 12, 2026 | Nathan Gilbert E | Director | Buy | 50,000 | $4.15 | $208K | SEC |
Who owns ALTO? Hedge funds and superinvestors
2 13F filers hold ALTO among their 50 largest positions, worth $2.1M combined. The biggest bets by portfolio weight are Corsair Capital Management, L.P. (0.2%) and Hamilton Capital Partners, LLC (0.2%). In their latest 13Fs, 1 manager opened a new position and 0 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Corsair Capital Management, L.P.Hedge fund | 0.2% | $1.5M | 266,866 | +2.6% shares | Q2 2026 |
| Hamilton Capital Partners, LLCWealth manager | 0.2% | $569K | 99,900 | New | Q2 2026 |
Each manager counts with its latest 13F (Q2 2026: 2). Screen ALTO in the grand portfolio →
ALTO stock trades by members of Congress
No member of Congress has disclosed a trade in ALTO.
ALTO questions and answers
Are insiders buying ALTO stock?
Between Aug 1, 2026 and Oct 29, 2026, 1 ALTO insider filed 2 open-market purchases worth $247K on SEC Form 4.
Which hedge funds own ALTO?
2 13F filers hold ALTO among their 50 largest positions, worth $2.1M combined. The biggest bets by portfolio weight are Corsair Capital Management, L.P. (0.2%) and Hamilton Capital Partners, LLC (0.2%). In their latest 13Fs, 1 manager opened a new position and 0 added to one.
Has Congress traded ALTO?
No member of Congress has disclosed a trade in ALTO.
Who is the largest holder of ALTO?
Among 13F filers, Corsair Capital Management, L.P. reports the largest ALTO position, $1.5M (266,866 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Corsair Capital Management, L.P.'s: 0.2% of its portfolio.
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