Who owns Cosan S.A.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of CSAN from SEC Form 13F filings across 63 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 63 institutions disclosed 15.9M shares of Cosan S.A. worth $45.9M — about 1.3% of shares outstanding; the largest disclosed holder is Monaco Asset Management SAM. Source: SEC Form 13F filings, parsed by EvidInvest.
63
13F holders
$45.9M
value, 2026 filers
1.3%
of shares outstanding (15.9M sh)
16
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of CSAN's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | Monaco Asset Management SAM | 3.7M | $10.6M | 0.8% | 0.3% | +9.9% |
| 2 | UBS Group AG | 3.0M | $8.7M | 0.0% | 0.2% | +251.0% |
| 3 | RENAISSANCE TECHNOLOGIES LLC | 2.8M | $8.1M | 0.0% | 0.2% | -26.5% |
| 4 | Aquamarine Financial (Cayman) Ltd | 2.1M | $6.0M | 0.3% | 0.2% | 0.0% |
| 5 | MARSHALL WACE, LLP | 674,857 | $1.9M | 0.0% | 0.1% | -71.5% |
| 6 | JANE STREET GROUP, LLC | 514,859 | $1.5M | 0.0% | 0% | -13.7% |
| 7 | Naman Capital Ltda | 271,941 | $783,190 | 0.2% | 0% | 0.0% |
| 8 | CITADEL ADVISORS LLC | 269,968 | $777,508 | 0.0% | 0% | -30.8% |
| 9 | BTG Pactual Asset Management US LLC | 247,680 | $713,318 | 0.0% | 0% | 0.0% |
| 10 | BAROMETER CAPITAL MANAGEMENT INC. | 214,000 | $616,320 | 0.2% | 0% | +24.7% |
| 11 | XTX Topco Ltd | 211,497 | $609,111 | 0.0% | 0% | -10.9% |
| 12 | MORGAN STANLEY | 206,085 | $593,526 | 0.0% | 0% | -84.7% |
| 13 | LPL Financial LLC | 170,019 | $489,655 | 0.0% | 0% | +0.1% |
| 14 | MILLENNIUM MANAGEMENT LLC | 118,525 | $341,352 | 0.0% | 0% | -30.9% |
| 15 | TWO SIGMA INVESTMENTS, LP | 113,942 | $328,153 | 0.0% | 0% | -77.3% |
| 16 | VANGUARD CAPITAL MANAGEMENT LLC | 110,475 | $318,168 | 0.0% | 0% | 0.0% |
| 17 | HRT FINANCIAL LP | 108,919 | $313,000 | 0.0% | 0% | +668.8% |
| 18 | TUDOR INVESTMENT CORP ET ALNEW | 100,000 | $288,000 | 0.0% | 0% | new |
| 19 | Massar Capital Management, LP | 85,068 | $244,996 | 0.0% | 0% | -71.7% |
| 20 | SG Americas Securities, LLC | 76,493 | $220,000 | 0.0% | 0% | -61.1% |
| 21 | Capital Asset Advisory Services LLCNEW | 72,345 | $208,354 | 0.0% | 0% | new |
| 22 | FMR LLC | 59,247 | $170,631 | 0.0% | 0% | +746.7% |
| 23 | Pekin Hardy Strauss, Inc. | 59,000 | $169,920 | 0.0% | 0% | -9.2% |
| 24 | BlackRock, Inc. | 58,094 | $167,311 | 0.0% | 0% | -14.4% |
| 25 | Optiver Holding B.V.NEW | 57,403 | $165,321 | 0.0% | 0% | new |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.