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Calamos Global Total Return Fund

CGO
Exchange
Nasdaq
SEC CIK
0001285650

No open-market purchases or sales by Calamos Global Total Return Fund insiders were filed in the last 90 days; 46 institutions reported holding it in 13F filings for Q2 2026, worth $34.8M in total; no superinvestor holds it.

13F holders, Q4 2025

Institutional positions in Calamos Global Total Return Fund as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
39
0 vs. Q3 2025
Shares held
2.26M
−101.9K (−4.3%) vs. Q3 2025
Total value
$26.7M
−$1.67M (−5.9%) vs. Q3 2025
New holders
3
15 more added
Sold out
3
14 more reduced

Compare with Q3 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting CGO on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2025: 39 institutions
Q1 2021: 20 institutionsQ2 2021: 19 institutionsQ3 2021: 19 institutionsQ4 2021: 26 institutionsQ1 2022: 23 institutionsQ2 2022: 29 institutionsQ3 2022: 24 institutionsQ4 2022: 27 institutionsQ1 2023: 31 institutionsQ2 2023: 29 institutionsQ3 2023: 31 institutionsQ4 2023: 33 institutionsQ1 2024: 30 institutionsQ2 2024: 30 institutionsQ3 2024: 31 institutionsQ4 2024: 36 institutionsQ1 2025: 37 institutionsQ2 2025: 39 institutionsQ3 2025: 39 institutionsQ4 2025: 39 institutionsQ1 2026: 41 institutionsQ2 2026: 46 institutions
Value heldQ4 2025: $26.7M
Q1 2021: $10.6MQ2 2021: $13.0MQ3 2021: $12.4MQ4 2021: $13.3MQ1 2022: $12.2MQ2 2022: $10.4MQ3 2022: $9.81MQ4 2022: $10.1MQ1 2023: $12.0MQ2 2023: $11.7MQ3 2023: $11.2MQ4 2023: $14.5MQ1 2024: $16.7MQ2 2024: $18.2MQ3 2024: $21.0MQ4 2024: $22.7MQ1 2025: $22.2MQ2 2025: $26.5MQ3 2025: $28.4MQ4 2025: $26.7MQ1 2026: $27.2MQ2 2026: $34.8M
Institutions holding CGO and their total value by quarter
QuarterHoldersValue
Q2 202646$34.8M
Q1 202641$27.2M
Q4 202539$26.7M
Q3 202539$28.4M
Q2 202539$26.5M
Q1 202537$22.2M
Q4 202436$22.7M
Q3 202431$21.0M
Q2 202430$18.2M
Q1 202430$16.7M
Q4 202333$14.5M
Q3 202331$11.2M
Q2 202329$11.7M
Q1 202331$12.0M
Q4 202227$10.1M
Q3 202224$9.81M
Q2 202229$10.4M
Q1 202223$12.2M
Q4 202126$13.3M
Q3 202119$12.4M
Q2 202119$13.0M
Q1 202120$10.6M

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding Calamos Global Total Return Fund; share changes are against Q3 2025.

Institutions holding CGO in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Morgan Stanley435,670$4.96M0.00%+10,777+2.5%Added
LPL Financial LLC213,039$2.43M0.00%−12,590−5.6%Reduced
Shaker Financial Services, LLC183,144$2.10M0.67%−31,188−14.6%Reduced
Principal Securities, Inc.175,618$2.00M0.03%−4,915−2.7%Reduced
Guggenheim Capital LLC172,012$1.96M0.01%+2,902+1.7%Added
Envestnet Asset Management Inc163,045$1.86M0.00%−3,246−2.0%Reduced
Integrated Wealth Concepts LLC158,611$1.81M0.02%−13,756−8.0%Reduced
Advisors Asset Management, Inc.107,333$1.22M0.02%−4,144−3.7%Reduced
Prairie Wealth Advisors, Inc.0$1.01M0.43%−88,575−100.0%Reduced
Wolverine Asset Management LLC76,672$873.3K0.01%−14,439−15.8%Reduced
UBS Group AG73,348$835.4K0.00%−11,386−13.4%Reduced
Cohen & Steers, Inc.57,277$652.0K0.00%+27,190+90.4%Added
Harbour Investments, Inc.49,700$566.1K0.01%−2,709−5.2%Reduced
Brookstone Capital Management47,583$542.0K0.01%+2,591+5.8%Added
PMG Family Office LLC43,468$495.1K0.57%−1,247−2.8%Reduced
Invesco Ltd.40,293$458.9K0.00%+21,561+115.1%Added
Bank of America Corp37,203$423.7K0.00%+291+0.8%Added
Advisor Group Holdings, Inc.27,720$315.7K0.00%+15,869+133.9%Added
Royal Bank of Canada26,459$301.0K0.00%−1,279−4.6%Reduced
Gilliland Jeter Wealth Management LLC20,576$234.4K0.07%00.0%Unchanged
Stifel Financial Corp20,097$228.9K0.00%+417+2.1%Added
Kestra Advisory Services, LLC16,997$193.6K0.00%+136+0.8%Added
GWM Advisors LLC16,300$185.7K0.00%−1,000−5.8%Reduced
Cambridge Investment Research Advisors, Inc.12,356$141.0K0.00%+86+0.7%Added
Retirement Planning Group11,263$128.3K0.00%+11,263New
Bay Colony Advisory Group, Inc d/b/a Bay Colony Advisors10,498$119.6K0.01%+20.0%Added
Beacon Pointe Advisors, LLC10,242$116.7K0.00%+10,242New
Cetera Investment Advisers10,068$114.7K0.00%+10,068New
Steward Partners Investment Advisory, LLC9,445$107.6K0.00%+426+4.7%Added
Wells Fargo & Company6,041$68.8K0.00%+10.0%Added
Allworth Financial LP6,001$68.4K0.00%00.0%Unchanged
Comerica Bank5,643$64.3K0.00%00.0%Unchanged
CoreCap Advisors, LLC5,615$64.0K0.00%+1,500+36.5%Added
NBC Securities, Inc.4,524$51.5K0.00%00.0%Unchanged
CWM, LLC1,905$22.0K0.00%00.0%Unchanged
ORG Partners LLC1,500$17.1K0.00%00.0%Unchanged
Ameriflex Group, Inc.200$2.28K0.00%−200−50.0%Reduced
Golden State Wealth Management, LLC54$6210.00%+1+1.9%Added
Huntington National Bank1$110.00%00.0%Unchanged
Raymond James Financial Inc0$00.00%−23,819−100.0%Sold out
GPS Wealth Strategies Group, LLC0$00.00%−1,650−100.0%Sold out
Newbridge Financial Services Group, Inc.0$00.00%−1,103−100.0%Sold out