13F value (AUM)
$30.1B
Calamos Advisors
CALAMOS ADVISORS LLC
$30.1B
13F long value · 2026-Q2Positions980
CategoryAsset Manager
Quarters tracked8
● #262 of 581 by 13F value
Size rank 6/10
35 NEW40 ADD26 2×+87 TRIM25 NEAR EXIT23 EXIT
Snapshot
Calamos Advisors's 13F portfolio at a glance — size, concentration and this quarter's activity.
Positions
980 (372 unmapped)
Top 100 weight
66.9%
Quarters tracked
8
Latest 13F filed
Jul 31, 2026
New positions
35
Exits / near-exits
48
13F value by quarter
Total reported long value each quarter — fund flows plus market moves.
Top holdings — 2026-Q2
The fund's largest reported positions (PUT/CALL rows are option positions, reported separately). The 100 shown cover 66.9% of the portfolio.
| Ticker | Issuer | Weight | Value | Shares | Since 2026-Q2 |
|---|---|---|---|---|---|
| NVDA | NVIDIA CORPORATION | 4.7% | $1.4B | 7.1M | +18.6% |
| AAPL | APPLE INC | 3.8% | $1.1B | 3.9M | +14.8% |
| CBOX | CALAMOS ETF TR | 3.6% | $1.1B | 10.7M | — |
| — | WESTERN DIGITAL CORP | 2.7% | $825.1M | 48.7M | — |
| SPY PUT | STATE STR SPDR S&P 500 ETF T | 2.7% | $810.8M | 1.2M | — |
| MSFT | MICROSOFT CORP | 2.5% | $762.8M | 2.0M | +38.8% |
| GOOGL | ALPHABET INC | 2.4% | $721.7M | 2.0M | -3.6% |
| AMZN | AMAZON COM INC | 2.4% | $713.0M | 3.0M | +5.7% |
| SPY CALL | STATE STR SPDR S&P 500 ETF T | 1.8% | $554.9M | 853.3K | — |
| AVGO | BROADCOM INC | 1.7% | $519.3M | 1.4M | -6.6% |
| META | META PLATFORMS INC | 1.2% | $370.4M | 657.6K | +30.0% |
| MU | MICRON TECHNOLOGY INC | 1.2% | $361.8M | 313.5K | -54.6% |
| LLY | ELI LILLY & CO | 1.1% | $339.4M | 283.0K | -27.6% |
| GOOG | ALPHABET INC | 1.1% | $320.5M | 907.2K | -1.4% |
| AMD | ADVANCED MICRO DEVICES INC | 1.0% | $314.1M | 540.8K | +10.3% |
Option positions — 2026-Q2
$1.3B across 8 put positions vs $1.2B across 30 call positions — put/call ratio 1.12. Values are notional — the market value of the shares the options reference.
| Type | Ticker | Issuer | Underlying shares | Notional value | % of 13F value |
|---|---|---|---|---|---|
| PUT | SPY | STATE STR SPDR S&P 500 ETF T | 1.2M | $810.8M | 2.7% |
| CALL | SPY | STATE STR SPDR S&P 500 ETF T | 853.3K | $554.9M | 1.8% |
| PUT | QQQ | INVESCO QQQ TR | 341.6K | $197.2M | 0.7% |
| CALL | EFA | ISHARES TR | 1.7M | $168.0M | 0.6% |
| CALL | IWM | ISHARES TR | 422.4K | $104.8M | 0.3% |
| PUT | IWM | ISHARES TR | 382.8K | $94.9M | 0.3% |
| CALL | QQQ | INVESCO QQQ TR | 155.0K | $89.5M | 0.3% |
| PUT | EFA | ISHARES TR | 727.2K | $70.6M | 0.2% |
| PUT | EEM | ISHARES TR | 1.2M | $68.3M | 0.2% |
| PUT | EWY | ISHARES INC | 495.0K | $60.9M | 0.2% |
Quarterly changes — 2026-Q2
What Calamos Advisors opened, added, trimmed and exited this quarter, largest dollar moves first.
| Action | Ticker | Issuer | Prev shares | Curr shares | Change | Value Δ |
|---|---|---|---|---|---|---|
| NEW | CBOX | CALAMOS ETF TR | — | 10.7M | — | +$1.1B |
| NEAR EXIT | SPY | STATE STR SPDR S&P 500 ETF T | 705.1K | 13.3K | -98.1% | -$448.6M |
| NEW | — | ALPHABET INC | — | 4.7M | — | +$237.3M |
| NEW | — | ALPHABET INC | — | 4.6M | — | +$232.2M |
| NEAR EXIT | IVV | ISHARES TR | 273.1K | 14.4K | -94.7% | -$167.6M |
| ADD | INTC | INTEL CORP | 974.9K | 1.3M | +30.1% | +$134.1M |
| NEAR EXIT | IVW | ISHARES TR | 1.2M | 41.5K | -96.4% | -$126.5M |
| NEW | — | DOORDASH INC | — | 128.6M | — | +$126.4M |
| NEAR EXIT | IVE | ISHARES TR | 619.1K | 22.5K | -96.4% | -$125.6M |
| NEW | — | CLOUDFLARE INC | — | 95.4M | — | +$121.0M |
Conviction over time
Portfolio weight of the current top long holdings, quarter by quarter — rising weight = growing conviction.