CSANY · Insider trading · 13F holders · Congress trades
Cosan S.A. (CSANY)
Who is buying and selling CSANY: 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
- 3
- Insider buys, 90 days
- $696K
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 0
CSANY at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 1 CSANY insider filed 1 open-market purchase worth $696K on SEC Form 4.
- 3 13F filers hold CSANY among their 50 largest positions, worth $17.4M combined. The biggest bets by portfolio weight are Monaco Asset Management SAM (3.9%), Aquamarine Financial (Cayman) Ltd (0.3%) and Naman Capital Ltda (0.2%). In their latest 13Fs, 0 managers opened a new position and 1 added to one.
- No member of Congress has disclosed a trade in CSANY.
- CSANY last closed at $1.77 on Oct 29, 2026.
CSANY insider trading
Between Aug 1, 2026 and Oct 29, 2026, 1 CSANY insider filed 1 open-market purchase worth $696K on SEC Form 4.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Sep 15, 2026 | Cordes Burkhard Otto | Director | Buy | 159,000 | $4.38 | $696K | SEC |
Who owns CSANY? Hedge funds and superinvestors
3 13F filers hold CSANY among their 50 largest positions, worth $17.4M combined. The biggest bets by portfolio weight are Monaco Asset Management SAM (3.9%), Aquamarine Financial (Cayman) Ltd (0.3%) and Naman Capital Ltda (0.2%). In their latest 13Fs, 0 managers opened a new position and 1 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Monaco Asset Management SAMAsset manager | 3.9% | $10.6M | 3,665,444 | +9.9% shares | Q2 2026 |
| Aquamarine Financial (Cayman) LtdHedge fund | 0.3% | $6.0M | 2,096,904 | +0.0% shares | Q2 2026 |
| Naman Capital LtdaAsset manager | 0.2% | $783K | 271,941 | +0.0% shares | Q2 2026 |
Each manager counts with its latest 13F (Q2 2026: 3). Screen CSANY in the grand portfolio →
CSANY stock trades by members of Congress
No member of Congress has disclosed a trade in CSANY.
CSANY questions and answers
Are insiders buying CSANY stock?
Between Aug 1, 2026 and Oct 29, 2026, 1 CSANY insider filed 1 open-market purchase worth $696K on SEC Form 4.
Which hedge funds own CSANY?
3 13F filers hold CSANY among their 50 largest positions, worth $17.4M combined. The biggest bets by portfolio weight are Monaco Asset Management SAM (3.9%), Aquamarine Financial (Cayman) Ltd (0.3%) and Naman Capital Ltda (0.2%). In their latest 13Fs, 0 managers opened a new position and 1 added to one.
Has Congress traded CSANY?
No member of Congress has disclosed a trade in CSANY.
Who is the largest holder of CSANY?
Among 13F filers, Monaco Asset Management SAM reports the largest CSANY position, $10.6M (3,665,444 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Monaco Asset Management SAM's: 3.9% of its portfolio.
Cite or share this
Free to use with a link back. The data updates every filing day.