Latest Period
Q1 2026
Security Snapshot
Cayson Acquisition Corp - Ordinary Shares, par value $0.0001 per share (CAPN) Institutional Ownership
CUSIP: G1993W109
13F Institutional Holders and Ownership History from Q4 2024 to Q1 2026
Institutions Reporting
16
Shares (Excl. Options)
2,894,406
Price
$11.00
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- Security type / class
- Equity / Ordinary Shares, par value $0.0001 per share
- Symbol
- CAPN on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 2,894,406
- Total 13F value
- $31,743,286
- Portfolio coverage rank
- 0%
- Share change
- -2,262,298
- Value change
- -$24,293,382
- Number of holders
- 16
- Shares outstanding
- 5,288,462
- SEC-reported price per share
- $11.00
Latest holder snapshot
5 signals
Issuer context
2 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- CAPN - Cayson Acquisition Corp - Ordinary Shares, par value $0.0001 per share is tracked under CUSIP G1993W109.
- 16 institutions reported positions in Q1 2026.
- 6 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 27 to 16 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $53,525,779 to $31,743,286.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC Evidence
Latest holder context comes from 16 institutions filings for Q1 2026.
Security key
G1993W109
Latest holder period
Q1 2026
13F holders
16
13D/G owners
6
CIK / CUSIP context first
Open Q1 2026 holders
CAPN full holder history
Cayson Acquisition Corp SEC filings
Cayson Acquisition Corp company facts
Cayson Acquisition Corp insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP G1993W109:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
6
Security
CAPN
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BERKLEY W R CORP | 9.4% | -10% | $10,990,048 | +$2,578,460 | 997,282 | +31% | W.R. Berkley Corporation | 31 Mar 2026 |
| Feis Equities LLC | 9.8% | +93% | $8,187,182 | +$3,867,629 | 769,472 | +90% | Feis Equities LLC | 31 Dec 2025 |
| MIZUHO FINANCIAL GROUP INC | 9% | -6% | $7,312,710 | +$5,190 | 704,500 | +0.07% | Mizuho Financial Group, Inc. | 30 Jun 2025 |
| AQR CAPITAL MANAGEMENT LLC | 4.6% | $3,650,590 | 357,901 | AQR Capital Management, LLC | 31 Dec 2024 | |||
| WOLVERINE ASSET MANAGEMENT LLC | 5.2% | -26% | $3,010,644 | -$2,614,324 | 275,700 | -46% | Wolverine Asset Management, LLC | 31 Mar 2026 |
| Polar Asset Management Partners Inc. | 5.2% | $3,030,500 | 275,000 | Polar Asset Management Partners Inc. | 31 Mar 2026 |
As of 31 Mar 2026, 16 institutional investors reported holding 2,894,406 shares of Cayson Acquisition Corp - Ordinary Shares, par value $0.0001 per share (CAPN). This represents 55% of the company’s total 5,288,462 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
55%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BERKLEY W R CORP | 9.4% | 497,282 | -35% | 0.29% | $5,470,102 |
| MIZUHO SECURITIES USA LLC | 9% | 475,900 | -32% | 0.12% | $5,139,720 |
| RIVERNORTH CAPITAL MANAGEMENT, LLC | 8.5% | 450,000 | 0% | 0.25% | $4,950,000 |
| WOLVERINE ASSET MANAGEMENT LLC | 5.2% | 275,700 | -51% | 0.05% | $3,032,700 |
| Polar Asset Management Partners Inc. | 5.2% | 275,000 | 0% | 0.07% | $3,025,000 |
| Shaolin Capital Management LLC | 4.2% | 223,900 | 0.2% | $2,462,900 | |
| AQR Arbitrage LLC | 3.5% | 184,373 | -47% | 0.03% | $2,028,103 |
| HEIGHTS CAPITAL MANAGEMENT, INC | 2.8% | 150,000 | 0% | 0.46% | $1,650,000 |
| Clear Street Group Inc. | 2.7% | 141,837 | +32% | 0.01% | $1,560,207 |
| RLH Capital LLC | 2% | 106,218 | 0% | 0.59% | $1,168,398 |
| GOLDMAN SACHS GROUP INC | 1.2% | 63,394 | -45% | 0% | $697,334 |
| Harraden Circle Investments, LLC | 0.5% | 26,661 | 0.06% | $293,271 | |
| Quarry LP | 0.27% | 14,500 | 0% | 0.03% | $159,500 |
| BNP PARIBAS FINANCIAL MARKETS | 0.17% | 9,203 | 0% | 0% | $101,233 |
| UBS Group AG | 0.01% | 370 | 0% | $4,070 | |
| MORGAN STANLEY | 0% | 68 | +51% | 0% | $748 |
| ROBINSON CAPITAL MANAGEMENT, LLC | 0% | 0 | -100% | $0 | |
| BOOTHBAY FUND MANAGEMENT, LLC | 0% | 0 | -100% | $0 | |
| TORONTO DOMINION BANK | 0% | 0 | -100% | $0 | |
| Karpus Management, Inc. | 0% | 0 | -100% | $0 | |
| Warberg Asset Management LLC | 0% | 0 | -100% | $0 | |
| Dakota Wealth Management | 0% | 0 | -100% | $0 | |
| First Trust Capital Management L.P. | 0% | 0 | -100% | $0 | |
| Westchester Capital Management, LLC | 0% | 0 | -100% | $0 | |
| TWO SIGMA INVESTMENTS, LP | 0% | 0 | -100% | $0 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
6
Latest
Q1 2026
Rows shown
1-6 of 6
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 2,894,406 | $31,743,286 | -$24,293,382 | $11.00 | 16 |
| 2025 Q4 | 5,041,283 | $53,525,779 | -$1,567,984 | $10.64 | 27 |
| 2025 Q3 | 5,646,402 | $58,971,856 | -$2,171,735 | $10.46 | 31 |
| 2025 Q2 | 5,616,714 | $57,833,125 | +$3,193,195 | $10.32 | 27 |
| 2025 Q1 | 5,434,564 | $55,362,151 | +$2,670,388 | $10.20 | 28 |
| 2024 Q4 | 5,194,671 | $52,252,754 | +$52,252,754 | $10.05 | 29 |