Calamos Advisors LLC holds a diversified book of 942 stocks worth $27.6B as of Q2 2026 (disclosed Jul 31, 2026, a ~31-day 13F lag). This quarter they opened Calamos Tax-Aware Cltral ETF and trimmed Nvidia Corp. Their largest long position is Nvidia Corp at 5% of the equity book. They also disclosed $1.3B in put options (a bearish bet) and $1.2B in call options (bullish), shown separately below and excluded from the equity book.
Top-heavy: diversified book
Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.
65% mapped to company sectors
Direct operating-company sectors from our SIC-based security master. ETF/fund and unclassified holdings stay visible separately; this is not ETF look-through exposure.
Estimated $ traded · quarter-end prices, no cost basis
Other tracked managers holding the same core names as Calamos Advisors LLC
| Manager / fund | Shared names | Their $ in those |
|---|---|---|
| BlackRock, Inc. | 70 / 80 | $2.6T |
| MORGAN STANLEY | 70 / 80 | $572.6B |
| JPMORGAN CHASE & CO | 70 / 80 | $561.9B |
| FMR LLC | 69 / 80 | $900.0B |
| WELLS FARGO & COMPANY/MN | 69 / 80 | $138.8B |
| JANE STREET GROUP, LLC | 69 / 80 | $11.0B |
| STATE STREET CORP | 68 / 80 | $1.8T |
| BANK OF AMERICA CORP /DE/ | 68 / 80 | $342.8B |
Ranked by how many of Calamos Advisors LLC's top 80 disclosed names each fund also holds: a cross-fund conviction signal from the latest 13F of every tracked manager.
Bars show each stock's share of the portfolio. Click a row for its position history.
| # | Security | Value | Shares | % Port | Last move | History |
|---|---|---|---|---|---|---|
| 1 | Nvidia Corporation COM | $1.4B | 7.06M | 5.1% | ▼−14% Reduced · −1.1M sh | |
| 2 | Apple Inc COM | $1.1B | 3.93M | 4.1% | ▼−18% Reduced · −853K sh | |
| 3 | Calamos ETF TR TAX AWA COLL ETF | $1.1B | 10.69M | 3.9% | ▲New New position | |
| 4 | Western Digital Corp NOTE 3.000%11/1 | $825.1M | 48.73M | 3.0% | ▼−12% Reduced · −6.9M sh | |
| 5 | Microsoft Corp COM | $762.8M | 2.05M | 2.8% | ▼−14% Reduced · −330K sh | |
| 6 | Alphabet Inc CAP STK CL A | $721.7M | 2.02M | 2.6% | ▼−21% Reduced · −539K sh | |
| 7 | Amazon Com Inc COM | $713.0M | 2.99M | 2.6% | ▼−12% Reduced · −414K sh | |
| 8 | Broadcom Inc COM | $519.3M | 1.37M | 1.9% | ▼−17% Reduced · −278K sh | |
| 9 | Meta Platforms Inc CL A | $370.4M | 657.6K | 1.3% | ▼−10% Reduced · −73K sh | |
| 10 | Micron Technology Inc COM | $361.8M | 313.5K | 1.3% | ▼−2.7% Reduced · −9K sh | |
| 11 | Eli Lilly & Co COM | $339.4M | 283.0K | 1.2% | ▼−8.3% Reduced · −25K sh | |
| 12 | Alphabet Inc CAP STK CL C | $320.5M | 907.2K | 1.2% | ▼−9.4% Reduced · −95K sh | |
| 13 | Advanced Micro Devices Inc COM | $314.1M | 540.8K | 1.1% | ▲+13% Added · +63K sh | |
| 14 | Tesla Inc COM | $314.0M | 746.4K | 1.1% | ▼−11% Reduced · −95K sh | |
| 15 | Alphabet Inc DEP SHS RP1/20 A | $237.3M | 4.66M | 0.9% | ▲New New position | |
| 16 | Alphabet Inc DEP SHS RP1/20 B | $232.2M | 4.62M | 0.8% | ▲New New position | |
| 17 | JPMorgan Chase & Co COM | $231.9M | 708.4K | 0.8% | ▼−12% Reduced · −97K sh | |
| 18 | Visa Inc COM CL A | $226.9M | 661.5K | 0.8% | ▼−13% Reduced · −100K sh | |
| 19 | Alibaba Group Hldg Ltd NOTE 0.500% 6/0 | $223.2M | 189.05M | 0.8% | ▲~0% Added · +5K sh | |
| 20 | Applied Matls Inc COM | $219.4M | 303.4K | 0.8% | ▼−1.2% Reduced · −4K sh | |
| 21 | Boeing Co DEP CONV PFD A | $185.4M | 2.75M | 0.7% | ▼−3.8% Reduced · −108K sh | |
| 22 | Hewlett Packard Enterprise C 7.625 MAND CONV | $183.5M | 1.59M | 0.7% | ▲+14% Added · +194K sh | |
| 23 | Oracle Corp 6.5 DEP CUM SR D | $178.8M | 3.98M | 0.6% | ▼−2.6% Reduced · −107K sh | |
| 24 | Intel Corp COM | $177.1M | 1.27M | 0.6% | ▲+30% Added · +293K sh | |
| 25 | Goldman Sachs Group Inc COM | $167.6M | 165.7K | 0.6% | ▼−3.0% Reduced · −5K sh | |
| 26 | Johnson & Johnson COM | $164.4M | 647.2K | 0.6% | ▼−16% Reduced · −126K sh | |
| 27 | Caterpillar Inc COM | $160.0M | 150.3K | 0.6% | ▲+12% Added · +16K sh | |
| 28 | Lam Research Corp COM NEW | $158.4M | 365.4K | 0.6% | ▼−12% Reduced · −48K sh | |
| 29 | Exxon Mobil Corp COM | $155.3M | 1.14M | 0.6% | ▼−11% Reduced · −146K sh | |
| 30 | Walmart Inc COM | $154.4M | 1.36M | 0.6% | ▼−13% Reduced · −204K sh | |
| 31 | MKS Inc. NOTE 1.250% 6/0 | $149.9M | 50.77M | 0.5% | ▼−35% Reduced · −27.5M sh | |
| 32 | Snowflake Inc NOTE 10/0 | $148.4M | 84.00M | 0.5% | ▲+31% Added · +20.0M sh | |
| 33 | On Semiconductor Corp NOTE 0.500% 3/0 | $147.7M | 122.34M | 0.5% | ▲+15% Added · +16.1M sh | |
| 34 | Ge Vernova Inc COM | $145.3M | 123.7K | 0.5% | ▼−19% Reduced · −29K sh | |
| 35 | Cisco Sys Inc COM | $138.5M | 1.18M | 0.5% | ▲+1.8% Added · +20K sh | |
| 36 | Unitedhealth Group Inc COM | $128.6M | 309.4K | 0.5% | ▲+23% Added · +58K sh | |
| 37 | Doordash Inc NOTE 5/1 | $126.4M | 128.61M | 0.5% | ▲New New position | |
| 38 | Berkshire Hathaway Inc Del CL B NEW | $126.3M | 252.4K | 0.5% | ▼−7.8% Reduced · −21K sh | |
| 39 | Bank Of Amer Corp COM | $125.8M | 2.21M | 0.5% | ▼−3.7% Reduced · −84K sh | |
| 40 | Mastercard Incorporated CL A | $122.7M | 239.0K | 0.4% | ▼−3.8% Reduced · −9K sh | |
| 41 | Cloudflare Inc NOTE 6/1 | $121.0M | 95.42M | 0.4% | ▲New New position | |
| 42 | Cyberark Software Ltd NOTE 6/1 | $120.7M | 72.44M | 0.4% | ▲New New position | |
| 43 | Akamai Technologies Inc NOTE 0.250% 5/1 | $114.3M | 78.15M | 0.4% | ▲New New position | |
| 44 | Wells Fargo & Co COM | $112.9M | 1.37M | 0.4% | ▼−19% Reduced · −316K sh | |
| 45 | Microchip Technology Inc. DEP SHS REPSTG | $111.9M | 1.46M | 0.4% | ▼−22% Reduced · −417K sh | |
| 46 | PPL Corp UNIT 02/15/2029 | $109.7M | 2.24M | 0.4% | ▲~0% Added · +827 sh | |
| 47 | Rivian Automotive Inc NOTE 4.625% 3/1 | $108.6M | 91.61M | 0.4% | ▼−0.4% Reduced · −339K sh | |
| 48 | Uber Technologies Inc NOTE 0.875%12/0 | $107.3M | 89.44M | 0.4% | ▼−0.6% Reduced · −565K sh | |
| 49 | Linde PLC SHS | $107.2M | 206.6K | 0.4% | ▼−8.3% Reduced · −19K sh | |
| 50 | Philip Morris Intl Inc COM | $105.3M | 581.8K | 0.4% | ▼−1.9% Reduced · −11K sh |
The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
This fund page is the Follow view. The Build view lets your agent pull holdings, quarter changes, overlap, and source filings through API or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/funds/1316507/holdings"
Use Arkolith to show Calamos Advisors LLC's latest holdings, largest changes, and filing provenance.
Put / call positions from the 13F — totals include every disclosed option leg
| Type | Underlying | Notional value | Underlying shares |
|---|---|---|---|
| PUT · bearish | SS SPDR S&P 500 ETF TRUST-USSPY | $810.8M | 1.2M |
| CALL · bullish | SS SPDR S&P 500 ETF TRUST-USSPY | $554.9M | 853K |
| PUT · bearish | INVESCO QQQ TRUST SERIES 1QQQ | $197.2M | 342K |
| CALL · bullish | ISHARES MSCI EAFE ETFEFA | $168.0M | 1.7M |
| CALL · bullish | ISHARES RUSSELL 2000 ETFIWM | $104.8M | 422K |
| PUT · bearish | ISHARES RUSSELL 2000 ETFIWM | $94.9M | 383K |
| CALL · bullish | INVESCO QQQ TRUST SERIES 1QQQ | $89.5M | 155K |
| PUT · bearish | ISHARES MSCI EAFE ETFEFA | $70.6M | 727K |
| PUT · bearish | ISHARES MSCI EMERGING MARKETEEM | $68.3M | 1.2M |
| PUT · bearish | ISHARES MSCI SOUTH KOREA ETFEWY | $60.9M | 495K |
| CALL · bullish | VANECK SEMICONDUCTOR ETFSMH | $42.6M | 111K |
| CALL · bullish | APPLE INCAAPL | $39.4M | 155K |
| CALL · bullish | WARNER BROS DISCOVERY INCWBD | $32.8M | 1.2M |
| CALL · bullish | ISHARES MSCI INDIA ETFINDA | $26.7M | 571K |
| CALL · bullish | MICROSOFT CORPMSFT | $23.2M | 63K |
| CALL · bullish | AMAZON.COM INCAMZN | $21.0M | 101K |
| CALL · bullish | ISHARES SILVER TRUSTSLV | $12.3M | 180K |
| CALL · bullish | META PLATFORMS INC-CLASS AMETA | $8.2M | 14K |
| CALL · bullish | SPOTIFY TECHNOLOGY SASPOT | $8.0M | 17K |
| CALL · bullish | NETFLIX INCNFLX | $6.9M | 72K |
| CALL · bullish | FREEPORT-MCMORAN INCFCX | $6.8M | 116K |
| CALL · bullish | DIRX NASDAQ-100EQ WI ETF-USDQQQE | $5.2M | 53K |
| CALL · bullish | LUMENTUM HOLDINGS INCLITE | $4.2M | 6K |
| PUT · bearish | BROADCOM INCAVGO | $4.2M | 14K |
| CALL · bullish | SOUTHERN COPPER CORPSCCO | $4.1M | 24K |
13F filers disclose option positions at the market value of the underlying the contracts reference, not the premium paid. A put is a bearish bet (it gains if the stock falls); a call is bullish. “Underlying shares” is the share count the contracts control, not a share holding. These legs are excluded from the equity book, weighting, concentration and sector figures above. Showing the largest 25 of 38 option legs.
As-of date vs the date the SEC received each filing
| Quarter | As of | Filed | Positions | Value | Form |
|---|---|---|---|---|---|
| Q2 2026 | Jun 30, 2026 | Jul 31, 2026 | 1,059 | $30.1B | 13F-HR |
| Q1 2026 | Mar 31, 2026 | May 4, 2026 | 1,269 | $28.2B | 13F-HR |
| Q4 2025 | Dec 31, 2025 | Jan 29, 2026 | 997 | $26.6B | 13F-HR |
| Q3 2025 | Sep 30, 2025 | Oct 20, 2025 | 1,003 | $27.1B | 13F-HR |
| Q2 2025 | Jun 30, 2025 | Aug 8, 2025 | 991 | $25.4B | 13F-HR |
| Q1 2025 | Mar 31, 2025 | Apr 29, 2025 | 987 | $23.0B | 13F-HR |
| Q4 2024 | Dec 31, 2024 | Jan 24, 2025 | 1,059 | $23.9B | 13F-HR |
| Q3 2024 | Sep 30, 2024 | Nov 7, 2024 | 1,072 | $23.1B | 13F-HR |
| Q2 2024 | Jun 30, 2024 | Jul 25, 2024 | 1,087 | $22.5B | 13F-HR |
| Q1 2024 | Mar 31, 2024 | May 8, 2024 | 1,097 | $21.1B | 13F-HR |
| Q4 2023 | Dec 31, 2023 | Jan 31, 2024 | 1,062 | $20.6B | 13F-HR |
| Q3 2023 | Sep 30, 2023 | Oct 26, 2023 | 1,066 | $19.2B | 13F-HR |
| Q2 2023 | Jun 30, 2023 | Jul 28, 2023 | 1,127 | $20.2B | 13F-HR |
| Q1 2023 | Mar 31, 2023 | May 4, 2023 | 1,256 | $20.5B | 13F-HR |
| Q4 2022 | Dec 31, 2022 | Jan 26, 2023 | 1,342 | $21.3B | 13F-HR |
| Q3 2022 | Sep 30, 2022 | Oct 24, 2022 | 1,489 | $21.9B | 13F-HR |
| Q2 2022 | Jun 30, 2022 | Aug 1, 2022 | 1,350 | $23.2B | 13F-HR |
| Q1 2022 | Mar 31, 2022 | May 3, 2022 | 1,405 | $26.6B | 13F-HR |
| Q4 2021 | Dec 31, 2021 | Feb 1, 2022 | 1,353 | $26.7B | 13F-HR |
| Q3 2021 | Sep 30, 2021 | Oct 26, 2021 | 1,214 | $22.9B | 13F-HR |
| Q2 2021 | Jun 30, 2021 | Jul 22, 2021 | 1,224 | $21.9B | 13F-HR |
| Q1 2021 | Mar 31, 2021 | Apr 12, 2021 | 1,180 | $18.3B | 13F-HR |
| Q4 2020 | Dec 31, 2020 | Jan 27, 2021 | 990 | $17.2B | 13F-HR |
| Q3 2020 | Sep 30, 2020 | Oct 26, 2020 | 945 | $15.5B | 13F-HR |
Holdings from SEC EDGAR 13F-HR filings, updated quarterly, filed up to 45 days after quarter-end. Public domain. The book and weighting are long equity only; disclosed put/call options are listed separately and excluded from those totals. Price-derived performance is withheld until the price-source policy and freshness gate are green.