§ 13F · FUND PROFILE
Calamos Advisors LLC.
Institutional filer · behavioral pattern: Other. Summary pending.
AUM · $25.4B (13F)Positions · 991Turnover · 100% · Q4Filed · May 4, 2026
CONCENTRATION
27%
Top 10 holdings
NEW BUYS
+997
+$1.5B deployed
EXITS
0
No exits
SECTOR SHIFT
RETAIL → SEMICONDUCTORS
-0pp · +1pp
3YR HIT RATE
—
Top-5 overlap
§ 01 · TOP HOLDINGS
The book · Q4 2025
FILED MAY 4, 2026
| # | Ticker | Name | Shares | $ value | % port | Δ Q4 |
|---|---|---|---|---|---|---|
| 1 | NVDA | NVIDIA CORPORATION | 8.19M | $1.4B | 5.1% | +12% |
| 2 | AAPL | APPLE INC | 4.78M | $1.2B | 4.3% | +20% |
| 3 | MSFT | MICROSOFT CORP | 2.38M | $879M | 3.1% | +13% |
| 4 | GOOGL | ALPHABET INC | 2.56M | $736M | 2.6% | +12% |
| 5 | AMZN | AMAZON COM INC | 3.41M | $709M | 2.5% | +11% |
| 6 | SPY | STATE STR SPDR S&P 500 ETF T | 900K | $614M | 2.2% | +45% |
| 7 | SPY | STATE STR SPDR S&P 500 ETF T | 809K | $552M | 2.0% | — |
| 8 | AVGO | BROADCOM INC | 1.65M | $511M | 1.8% | +18% |
| 9 | SPY | STATE STR SPDR S&P 500 ETF T | 705K | $459M | 1.6% | — |
| 10 | META | META PLATFORMS INC | 731K | $418M | 1.5% | +12% |
§ 02 · SECTOR ALLOCATION
Where the money is
Other25.4% (±0)
Technology11.3% (±0)
Semiconductors9.1% (+1pp)
Media6.9% (+1pp)
Retail5.1% (±0)
Financial Services3.9% (±0)
§ 03 · THE CALAMOS SIGNAL
AC read
Calamos Advisors LLC is a Other fund managing $25.4 billion in assets. The fund runs a broad portfolio of 991 positions, broad diversification across holdings, with the top 10 accounting for 27%. Trading activity is aggressive at 100% quarterly turnover, with 997 new positions and 0 exits last quarter. Top sector allocations: Other (25%), Technology (11%), Semiconductors (9%).
Read the full dossier →§ 04 · FILING HISTORY
Q-by-Q deltas
1 FILINGS
Q1 2026
Steady book
+0 buys · −0 exits · 0 changed
Q4 2025
Busy quarter
+997 buys · −0 exits · 0 changed
Q2 2025
Steady book
+0 buys · −0 exits · 0 changed
Q1 2025
Steady book
+0 buys · −0 exits · 0 changed