CPSM — Calamos S&P 500 Structured Alt Protection ETF May
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2024-05-01.
Performance
Technicals
Largest institutional holders
| manager | value | shares |
|---|---|---|
| Calamos Advisors LLC | 9.4M | 326.8K |
| Amplius Wealth Advisors, LLC | 2.4M | 82.9K |
| Advisory Services Network, LLC | 1.5M | 51.6K |
| Sugar Maple Asset Management, LLC | 1.1M | 39.0K |
| COMMONWEALTH EQUITY SERVICES, LLC | 1.1M | 38.8K |
| BCGM Wealth Management, LLC | 1.0M | 35.6K |
| Cetera Investment Advisers | 996.4K | 34.5K |
| JPMORGAN CHASE & CO | 727.7K | 25.3K |
| OLD MISSION CAPITAL LLC | 689.8K | 23.9K |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 534.3K | 18.5K |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
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