Who owns Centurion Acquisition Corp.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of ALF from SEC Form 13F filings across 15 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, 15 institutions disclosed 5.9M shares of Centurion Acquisition Corp. worth $63.9M — about 24.9% of shares outstanding; the largest disclosed holder is MIZUHO SECURITIES USA LLC. Source: SEC Form 13F filings, parsed by EvidInvest.
15
13F holders
$63.9M
value, 2026 filers
24.9%
of shares outstanding (5.9M sh)
4
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 ALF's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | MIZUHO SECURITIES USA LLC | 1.4M | $14.6M | 0.3% | 5.7% | 0.0% |
| 2 | Linden Advisors LP | 1.0M | $10.8M | 0.1% | 4.2% | 0.0% |
| 3 | AQR Arbitrage LLC | 999,999 | $10.8M | 0.2% | 4.2% | -42.9% |
| 4 | Polar Asset Management Partners Inc. | 925,000 | $10.1M | 0.2% | 3.9% | 0.0% |
| 5 | Context Capital Management, LLCNEW | 500,000 | $5.4M | 0.1% | 2.1% | new |
| 6 | LMR Partners LLP | 500,000 | $5.4M | 0.0% | 2.1% | -63.6% |
| 7 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUNDNEW | 500,000 | $5.4M | 0.0% | 2.1% | new |
| 8 | Kepos Capital LP | 42,500 | $461,000 | 0.6% | 0.2% | 0.0% |
| 9 | ABC ARBITRAGE SA | 30,000 | $326,400 | 0.0% | 0.1% | 0.0% |
| 10 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 21,730 | $234,901 | 0.0% | 0.1% | +38.8% |
| 11 | Clear Street Group Inc. | 12,326 | $134,107 | 0.0% | 0.1% | -28.0% |
| 12 | CITADEL ADVISORS LLCNEW | 12,068 | $130,455 | 0.0% | 0.1% | new |
| 13 | LONGFELLOW INVESTMENT MANAGEMENT CO LLC | 4,150 | $45,152 | 0.0% | 0% | 0.0% |
| 14 | MORGAN STANLEY | 38 | $411 | 0.0% | 0% | -40.6% |
| 15 | Caitong International Asset Management Co., LtdNEW | 2 | $22 | 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.