13F reference period
Q2 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 Q2 2026
Institutions Reporting
17
Shares (Excl. Options)
2.89M
Full value: 2,894,549 · shares · 30 Jun 2026Price
$11.04
The headline uses the Q2 2026 reference period after its reporting deadline. Available reports may still be incomplete or amended.
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- Security type / class
- Equity / Ordinary Shares, par value $0.0001 per share
- Symbol
- CAPN on Nasdaq
- All holders as of 30 Jun 2026
- Q2 2026
- Total 13F shares
- 2,894,549
- Total 13F value
- $31,933,277
- Portfolio coverage rank
- 0%
- Share change
- +143
- Value change
- -$879
- Number of holders
- 17
- Shares outstanding
- 3,857,217
- SEC-reported price per share
- $11.23
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
2 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Filing notes and source
Key facts
- CAPN - Cayson Acquisition Corp - Ordinary Shares, par value $0.0001 per share is tracked under CUSIP G1993W109.
- 17 institutions reported positions in Q2 2026.
- 6 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 16 to 17 between Q1 2026 and Q2 2026.
- SEC-reported value moved from to
$31.74M
Full value: $31,743,286 · USD · 31 Mar 2026.$31.93M
Full value: $31,933,277 · USD · 30 Jun 2026
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 17 institutions filings for Q2 2026.
Security key
G1993W109
13F reference period
Q2 2026
13F holders
17
13D/G owners
6
CIK / CUSIP context first
Open Q2 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 | |||
| Polar Asset Management Partners Inc. | 5.2% | $3,030,500 | 275,000 | Polar Asset Management Partners Inc. | 31 Mar 2026 | |||
| WOLVERINE ASSET MANAGEMENT LLC | 3.1% | -42% | $1,337,289 | -$1,756,065 | 119,188 | -57% | Wolverine Asset Management, LLC | 30 Sep 2026 |
As of 30 Jun 2026,
17
institutional investors reported holding
shares of
Cayson Acquisition Corp - Ordinary Shares, par value $0.0001 per share (CAPN).
This represents
75%
of the company’s total
outstanding shares.
2.89M
Full value: 2,894,549 · shares · 30 Jun 20263.86M
Full value: 3,857,217 · shares · Stored outstanding share count13F concentration
Top 17 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
75%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BERKLEY W R CORP | 13% | 497,282 | 0% | 0.27% | $5,509,885 |
| MIZUHO SECURITIES USA LLC | 12% | 475,500 | -0.08% | 0.08% | $5,182,950 |
| RIVERNORTH CAPITAL MANAGEMENT, LLC | 12% | 450,000 | 0% | 0.24% | $4,995,000 |
| WOLVERINE ASSET MANAGEMENT LLC | 7.2% | 276,715 | +0.37% | 0.04% | $3,052,166 |
| Polar Asset Management Partners Inc. | 7.1% | 275,100 | +0.04% | 0.06% | $3,037,104 |
| Shaolin Capital Management LLC | 5.8% | 223,900 | 0% | 0.23% | $2,469,617 |
| AQR Arbitrage LLC | 4.8% | 184,373 | 0% | 0.03% | $2,035,478 |
| HEIGHTS CAPITAL MANAGEMENT, INC | 3.9% | 149,531 | -0.31% | 0.38% | $1,652,318 |
| Clear Street Group Inc. | 3.7% | 141,837 | 0% | 0% | $1,564,462 |
| GOLDMAN SACHS GROUP INC | 1.6% | 63,394 | 0% | 0% | $699,870 |
| RLH Capital LLC | 1.5% | 56,218 | -47% | 0.3% | $622,895 |
| TORONTO DOMINION BANK | 1.3% | 49,900 | 0% | $550,397 | |
| Harraden Circle Investments, LLC | 0.69% | 26,661 | 0% | 0.04% | $294,071 |
| Quarry LP | 0.38% | 14,500 | 0% | 0.03% | $160,660 |
| BNP PARIBAS FINANCIAL MARKETS | 0.24% | 9,203 | 0% | 0% | $101,601 |
| UBS Group AG | 0.01% | 370 | 0% | 0% | $4,085 |
| MORGAN STANLEY | 0% | 65 | -4.4% | 0% | $718 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
7
Headline period
Q2 2026
Rows shown
1-7 of 7
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 2,894,549 | $31,933,277 | -$879 | $11.04 | 17 |
| 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 |