13F Insight
DOSSIER · 13F-HR · Q1 2026

Calamos Advisors LLC

$28.2B in tracked AUM across 1,269 positions as of Q1 2026.

CA
CIK 0001316507 · last filed Mar 31, 2026
Total AUM
$28.2B
as of Q1 2026
Holdings
1,269
—
positions
Whale Score
60
60
tracked
Activity
—
no data
changes this Q
AI Analysis · Q1 2026

Calamos Advisors LLC filed Q1 2026 13F-HR with $28.2B in disclosed U.S. equity holdings The portfolio is led by Technology exposure, with top positions including SPY (5.8%), NVDA (5.1%), AAPL (4.3%). Quarter-over-quarter activity shows 14 new entries and 14 exits, with a net additive posture across 64 changed positions. Notable reduction: WDC 3 11/15/28 (27.2% reduction) (WESTERN DIGITAL CORP).

Calamos Advisors LLC reports $28.2B in U.S. equity holdings for Q1 2026, anchored by a Technology-centric allocation. The top five positions by value span SPY + NVDA + AAPL + MSFT + GOOGL, collectively representing a meaningful concentration within the disclosed book.

Core Holdings

  • SPY (STATE STR SPDR S&P 500 ETF T) — $1.6B (5.8%)
  • NVDA (NVIDIA CORPORATION) — $1.4B (5.1%)
  • AAPL (APPLE INC) — $1.2B (4.3%)
  • MSFT (MICROSOFT CORP) — $0.9B (3.2%)
  • GOOGL (ALPHABET INC) — $0.7B (2.6%)
Analysis generated by 13F Insight from SEC Form 13F filing data · Q1 2026. Methodology

Quarter at a glance — Q1 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q1 2026.

#HoldingValueSharesWeight
01
SPY
STATE STR SPDR S&P 500 ETF T
$1.6B2.4M5.8%02
NVDA
NVIDIA CORPORATION
$1.4B8.2M5.1%03
AAPL
APPLE INC
$1.2B4.8M4.3%04
MSFT
MICROSOFT CORP
$906M2.4M3.2%05
GOOGL
ALPHABET INC
$738M2.6M2.6%06
AMZN
AMAZON COM INC
$727M3.5M2.6%07
AVGO
BROADCOM INC
$513M1.7M1.8%08
QQQ
INVESCO QQQ TR
$470M766K1.7%09
META
META PLATFORMS INC
$427M745K1.5%10
WDC 3 11/15/28
WESTERN DIGITAL CORP
$399M55.6M1.4%

Filing history

2026Q1Mar 31
$28.2B▲ 6.0%
1,269 positionsView →2025Q4Dec 31
$26.6B▼ 1.7%
997 positionsView →2025Q3Sep 30
$27.1B▲ 6.6%
1,003 positionsView →2025Q2Jun 30
$25.4B▲ 10.6%
991 positionsLocked2025Q1Mar 31
$23.0B▼ 3.9%
987 positionsLocked2024Q4Dec 31
$23.9B▲ 3.4%
1,059 positionsLocked2024Q3Sep 30
$23.1B▲ 2.7%
1,072 positionsLocked2024Q2Jun 30
$22.5B▲ 6.7%
1,087 positionsLocked2024Q1Mar 31
$21.1B▲ 2.4%
1,097 positionsLocked2023Q4Dec 31
$20.6B▲ 7.1%
1,062 positionsLocked2023Q3Sep 30
$19.2B▼ 4.8%
1,066 positionsLocked2023Q2Jun 30
$20.2B▼ 1.3%
1,127 positionsLocked
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