CPSO
Calamos S&P 500 Structured Alt Protection ETF - OctoberNYSE
Updated 1 day ago
Coverage limited
$28.54+0.11%
Close Oct 13, 2026
- Market cap
- —
- 1 month
- +1.0%
- 3 months
- +2.1%
- 1 year
- +6.3%
- 52-week range
- $26.73$28.54
- Dividend
- No dividends on record
- Short interest
- 19.4K sharessettled Sep 30, 2026 · +8.0% since Sep 15, 2026 · FINRA
End-of-day close from stored market data, not a live quote.
Portfolio context
Sign in to see your position size
We’ll show you if CPSO is in your portfolio and how much it contributes.
Sign inMarket context
Loading market dates
No upcoming ex-dividend date announced
No 8-K filings in the last 30 days.
Smart money context
Holder IQ: UNKNOWN
1 top institutions tracked
as of 2025-Q2 (filed 2025-08-14)
Note: 13F filings are reported up to 45 days after quarter-end.Last 13F trend: unchanged (light)
Unlock crowding heatmapUnlock filer discoveryInsider context
Sentiment: unknown
No recent insider trades detected.
Red flags: 0
Largest 13-F holders · Q2 2026
21 filers reported a long position in CPSO for Q2 2026. 13-F holdings are filed up to 45 days after the quarter ends.
| Holder | Value | Shares | Shares vs Q1 2026 |
|---|---|---|---|
| Calamos Advisors LLC | $9.6M | 344.5K | -3.3% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | $1.6M | 57.1K | +114.3% |
| COMMONWEALTH EQUITY SERVICES, LLC | $669.9K | 24.1K | Unchanged |
| Blue Water Asset Management | $570.2K | 20.5K | -33.5% |
| Calamos Wealth Management LLC | $553.1K | 19.9K | -21.9% |
| Rooted Wealth Advisors, Inc. | $347.6K | 12.5K | Unchanged |
| Grantvest Financial Group LLC | $331K | 11.9K | -19% |
| HARBOUR INVESTMENTS, INC. | $320.4K | 11.5K | -19.9% |
| OLD MISSION CAPITAL LLC | $319.4K | 11.5K | -39.4% |
| Cambridge Investment Research Advisors, Inc. | $317K | 11.4K | Unchanged |
Get the Full Analysis for CPSO
Unlock detailed insider transactions, institutional holder changes, factor exposures, and personalized alerts. Start free with your own portfolio.