Latest Period
Q1 2026
Security Snapshot
CALAMOS ETF TR - S P 500 STRUCTUR (CPSM) Institutional Ownership
CUSIP: 12811T605
13F Institutional Holders and Ownership History from Q2 2024 to Q1 2026
Institutions Reporting
26
Shares (Excl. Options)
949,842
Price
$28.86
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- Security type / class
- Equity / S P 500 STRUCTUR
- Symbol
- CPSM
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 949,842
- Total 13F value
- $27,408,097
- Portfolio coverage rank
- 0%
- Share change
- +9,748
- Value change
- +$285,898
- Number of holders
- 26
- SEC-reported price per share
- $29.17
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
1 identity field
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- CPSM - CALAMOS ETF TR - S P 500 STRUCTUR is tracked under CUSIP 12811T605.
- 26 institutions reported positions in Q1 2026.
- Schedule 13D/13G significant owner rows are not currently available.
Change
- Holder count moved from 28 to 26 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $26,947,895 to $27,408,097.
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 26 institutions filings for Q1 2026.
Security key
12811T605
Latest holder period
Q1 2026
13F holders
26
13D/G owners
0
CIK / CUSIP context first
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 12811T605:
As of 31 Mar 2026, 26 institutional investors reported holding 949,842 shares of CALAMOS ETF TR - S P 500 STRUCTUR (CPSM).
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
8
Latest
Q1 2026
Rows shown
1-8 of 8
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 949,842 | $27,408,097 | +$285,898 | $28.86 | 26 |
| 2025 Q4 | 941,367 | $26,947,895 | -$3,899,993 | $28.62 | 28 |
| 2025 Q3 | 1,061,977 | $30,044,401 | -$1,902,825 | $28.29 | 26 |
| 2025 Q2 | 1,125,902 | $31,379,582 | +$697,854 | $27.86 | 25 |
| 2025 Q1 | 1,129,799 | $30,371,764 | -$2,703,506 | $26.88 | 23 |
| 2024 Q4 | 1,239,577 | $33,097,615 | -$6,788,983 | $26.70 | 22 |
| 2024 Q3 | 1,475,860 | $38,900,578 | -$34,779,355 | $26.36 | 23 |
| 2024 Q2 | 2,796,442 | $71,840,593 | +$71,840,593 | $25.69 | 22 |