Latest Period
Q1 2026
Security Snapshot
CALAMOS ETF TR - S&P 500 STRU FEB (CPSF) Institutional Ownership
CUSIP: 12811T779
13F Institutional Holders and Ownership History from Q1 2025 to Q1 2026
Institutions Reporting
21
Shares (Excl. Options)
747,927
Price
$25.59
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- Security type / class
- Equity / S&P 500 STRU FEB
- Symbol
- CPSF
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 747,927
- Total 13F value
- $19,142,256
- Portfolio coverage rank
- 0%
- Share change
- +203,796
- Value change
- +$5,218,439
- Number of holders
- 21
- SEC-reported price per share
- $25.63
Latest holder snapshot
5 signals
Issuer context
Who this page is about.
1 identity field
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- CPSF - CALAMOS ETF TR - S&P 500 STRU FEB is tracked under CUSIP 12811T779.
- 21 institutions reported positions in Q1 2026.
- Schedule 13D/13G significant owner rows are not currently available.
Change
- Holder count moved from 21 to 21 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $14,313,311 to $19,142,256.
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 21 institutions filings for Q1 2026.
Security key
12811T779
Latest holder period
Q1 2026
13F holders
21
13D/G owners
0
CIK / CUSIP context first
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 12811T779:
As of 31 Mar 2026, 21 institutional investors reported holding 747,927 shares of CALAMOS ETF TR - S&P 500 STRU FEB (CPSF).
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
5
Latest
Q1 2026
Rows shown
1-5 of 5
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 747,927 | $19,142,256 | +$5,218,439 | $25.59 | 21 |
| 2025 Q4 | 559,326 | $14,313,311 | +$593,768 | $25.59 | 21 |
| 2025 Q3 | 523,096 | $13,159,807 | -$446,640 | $25.16 | 17 |
| 2025 Q2 | 541,925 | $13,327,394 | +$1,064,923 | $24.59 | 15 |
| 2025 Q1 | 500,883 | $11,945,785 | +$11,945,785 | $23.85 | 13 |