Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in ALF held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | Vivaldi Asset Management, LLC | 2.7M | $29.5M | 0.0% | 9.548% | 1.55% |
| 2 | PICTON MAHONEY ASSET MANAGEMENT | 1.9M | $20.2M | 0.0% | 6.522% | 0.20% |
| 3 | Magnetar Financial LLC | 1.9M | $20.0M | 0.0% | 6.457% | 0.20% |
| 4 | CNH PARTNERS LLC | 1.8M | $18.9M | +0.1% | 6.094% | 0.31% |
| 5 | Wealthspring Capital LLC | 1.4M | $15.5M | -1.3% | 5.011% | 3.68% |
| 6 | LMR Partners LLP | 1.4M | $14.8M | -26.7% | 4.783% | 0.11% |
| 7 | MIZUHO SECURITIES USA LLC | 1.4M | $14.6M | +26.4% | 4.741% | 0.34% |
| 8 | D. E. Shaw & Co., Inc. | 1.3M | $14.1M | 0.0% | 4.556% | 0.01% |
| 9 | TORONTO DOMINION BANK | 1.2M | $12.9M | +333.2% | 4.174% | 0.02% |
| 10 | MMCAP International Inc. SPC | 1.2M | $12.6M | 0.0% | 4.087% | 1.09% |
| 11 | BERKLEY W R CORP | 1.2M | $12.5M | +376.0% | 4.026% | 0.67% |
| 12 | LINDEN ADVISORS LP | 1.0M | $10.8M | 0.0% | 3.478% | 0.06% |
| 13 | WOLVERINE ASSET MANAGEMENT LLC | 947K | $10.2M | -1.5% | 3.293% | 0.17% |
| 14 | Polar Asset Management Partners Inc. | 925K | $10.0M | 0.0% | 3.217% | 0.22% |
| 15 | GOLDMAN SACHS GROUP INC | 844K | $9.1M | 0.0% | 2.934% | 0.00% |
| 16 | TENOR CAPITAL MANAGEMENT Co., L.P. | 750K | $8.1M | 0.0% | 2.609% | 0.12% |
| 17 | Westchester Capital Management, LLC | 688K | $7.4M | 0.0% | 2.394% | 0.35% |
| 18 | TWO SIGMA INVESTMENTS, LP | 625K | $6.7M | 0.0% | 2.174% | 0.01% |
| 19 | L1 Global Manager Pty Ltd | 575K | $6.2M | -14.8% | 2.000% | 4.99% |
| 20 | METEORA CAPITAL, LLC | 554K | $6.0M | -10.3% | 1.927% | 0.44% |
| 21 | Radcliffe Capital Management, L.P. | 501K | $5.4M | 0.0% | 1.743% | 0.40% |
| 22 | RIVERNORTH CAPITAL MANAGEMENT, LLC | 399K | $4.3M | 0.0% | 1.388% | 0.21% |
| 23 | GRITSTONE ASSET MANAGEMENT LLC | 291K | $3.1M | 0.0% | 1.012% | 3.34% |
| 24 | PERISCOPE CAPITAL INC. | 275K | $3.0M | -8.3% | 0.957% | 0.52% |
| 25 | JPMORGAN CHASE & CO | 265K | $2.9M | +165.4% | 0.922% | 0.18% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in ALF — a direct measure of their conviction.
Filings activity in ALF during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new ALF position in Q1 2026
Institutions that fully closed their ALF position in Q1 2026
7 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 49 | +2.1% | 97.14% | +2.30 pp | $301M | +2.4% |
| Q4 2025 | 48 | +12% | 94.84% | +10.61 pp | $294M | +13% |
| Q3 2025 | 43 | +0.0% | 84.23% | 1.07 pp | $261M | 1.2% |
| Q2 2025 | 43 | +13% | 85.30% | +8.67 pp | $264M | +11% |
| Q1 2025 | 38 | +2.7% | 76.63% | +2.76 pp | $237M | +3.7% |
| Q4 2024 | 37 | +12% | 73.87% | +8.85 pp | $229M | +14% |
| Q3 2024 | 33 | — | 65.02% | — | $202M | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying ALF stock.
Based on Q1 2026 13F filings, institutional ownership of Centurion Acquisition Corp. stands at 97.1%, held across 49 reporting institutions.
Vivaldi Asset Management, LLC is the largest reported institutional holder of ALF, with approximately 2,745,000 shares worth $0.03B as of Q1 2026.
Yes — 1 widely-followed marquee investor appear among the top 25 institutional holders of ALF, including TWO SIGMA INVESTMENTS, LP.
Our composite Smart Money Score for ALF is 61 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
5 institutions opened new positions in ALF during Q1 2026, while 4 fully exited. 32 added to existing positions and 12 trimmed.
ALF institutional ownership rose by 2.30 percentage points quarter-over-quarter, with a net change of +1 holders.
The top 10 institutions account for 57.5% of all reported 13F value in ALF, and the top 25 account for 92.5%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Centurion Acquisition Corp. (ALF) Institutional Ownership