Calamos Convertible Opportunities and Income Fund

CHI • NASDAQ

Calamos Convertible Opportunities and Income Fund is a asset management - income company in the financial services sector on NASDAQ, led by John S. Koudounis, with a market cap of $835.6M. As of Q3 2025, 22% of shares are held by 127 institutional investors, with BANK OF AMERICA CORP /DE/ as the largest holder at 3.07%.

CEOJohn S. Koudounis

Market Cap$835.6M

Asset Management - Income

Financial Services

Websitecalamos.com

Overview

Overview of institutional ownership in CHI as of Q3 2025 with a market cap of $840.2M

All Institutions

Institutions: 127
Value Held: $182.7M
Shares Held: 16.9M
Avg Position: $1.4M
Median Position: $249.4K

Hedge Funds

Hedge Funds: 4
Value Held: $6.1M
Shares Held: 568.1K
Avg Position: $1.5M
Median Position: $1.4M

Ownership Breakdown

Institutional (non-HF)

21.01%

$176.5M

Hedge Funds

0.73%

$6.1M

Retail & Other

78.26%

$657.6M

Based on market cap of $840.2M as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in CHI as of Q3 2025

Institution	Key People	Position Value	Ownership	Owned Since	Total AUM (Long)
BANK OF AMERICA CORP /DE/ Institution	Brian T. Moynihan CEO	$25.8M 0.00% of portfolio	3.07% 2.4M shares	≤ Q2 2013 Held for 12y 5m+	$1.33T
UBS Group AG Institution	Sergio P. Ermotti CEO	$22.0M 0.00% of portfolio	2.62% 2.0M shares	Q4 2014 Held for 10y 11m	$511.54B
MORGAN STANLEY RIA/Wealth	Jed Finn CEO	$15.5M 0.00% of portfolio	1.84% 1.4M shares	≤ Q2 2013 Held for 12y 5m+	$1.65T
WELLS FARGO & COMPANY/MN Institution	Charles W. Scharf CEO	$14.9M 0.00% of portfolio	1.77% 1.4M shares	≤ Q2 2013 Held for 12y 5m+	$488.50B
D DAVIDSON D A & CO Institution	-	$11.1M 0.07% of portfolio	1.32% 1.0M shares	Q2 2015 Held for 10y 5m	$15.6B
L LPL Financial LLC Institution	-	$7.6M 0.00% of portfolio	0.91% 706.2K shares	≤ Q2 2013 Held for 12y 5m+	$340.07B
G GUGGENHEIM CAPITAL LLC Institution	-	$6.9M 0.05% of portfolio	0.82% 642.4K shares	≤ Q2 2013 Held for 12y 5m+	$13.4B
AMERIPRISE FINANCIAL INC Institution	Jim Cracchiolo CEO	$6.8M 0.00% of portfolio	0.82% 634.8K shares	Q1 2017 Held for 8y 8m	$433.11B
Baird Financial Group, Inc. Private Equity	Paul Lee Schultz General Counsel	$6.0M 0.01% of portfolio	0.72% 560.7K shares	Q2 2017 Held for 8y 5m	$62.0B
COMMONWEALTH EQUITY SERVICES, LLC. RIA/Wealth	Wayne Michael Bloom CEO	$5.8M 0.01% of portfolio	0.70% 541.6K shares	Q4 2017 Held for 7y 11m	$71.1B

Net Capital Flow

Institutional buying and selling activity for CHI in Q3 2025

Traded: +$5.2M
Buyers: 62
Sellers: 42
Total Bought: +$14.1M
Total Sold: −$9.0M
Avg Position: $1.3M

Biggest Buyers

Institution	Net Bought	Current Position
Cetera Investment Advisers RIA/Wealth	+$1.9M +176.5K shares	$2.5M 233.5K shares
L LPL Financial LLC Institution	+$1.6M +146.8K shares	$7.6M 706.2K shares
UBS Group AG Institution	+$1.3M +124.6K shares	$22.0M 2.0M shares
BANK OF AMERICA CORP /DE/ Institution	+$1.2M +109.9K shares	$25.8M 2.4M shares
WOLVERINE ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy	+$860.8K +79.8K shares	$3.0M 282.6K shares
Grange Capital, LLC RIA/Wealth	+$659.1K +61.1K shares	$3.4M 316.6K shares
Advisors Asset Management, Inc. ETF Provider	+$626.5K +58.1K shares	$626.5K 58.1K shares
WELLS FARGO & COMPANY/MN Institution	+$519.2K +48.1K shares	$14.9M 1.4M shares
Marathon Strategic Advisors, LLC RIA/Wealth	+$492.5K +45.6K shares	$2.9M 267.7K shares
D DAVIDSON D A & CO Institution	+$439.6K +40.7K shares	$11.1M 1.0M shares

Biggest Sellers

Institution	Net Sold	Current Position
LANDSCAPE CAPITAL MANAGEMENT, L.L.C. Hedge Fund•Market Neutral	−$3.1M −287.6K shares	$1.6M 146.1K shares
N NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO Institution	−$822.4K −76.2K shares	$274.6K 25.5K shares
L.M. KOHN & COMPANY RIA/Wealth	−$543.1K −51.6K shares	Sold Off 0 shares
G GUGGENHEIM CAPITAL LLC Institution	−$471.8K −43.7K shares	$6.9M 642.4K shares
Apollon Wealth Management, LLC RIA/Wealth	−$458.9K −42.5K shares	$1.6M 149.1K shares
Creekside Partners RIA/Wealth	−$368.3K −34.1K shares	$2.6M 238.7K shares
WINEBRENNER CAPITAL MANAGEMENT LLC Hedge Fund•Multi-Strategy	−$315.6K −30.0K shares	Sold Off 0 shares
Financial Advocates Investment Management RIA/Wealth	−$280.1K −26.6K shares	Sold Off 0 shares
COMMONWEALTH EQUITY SERVICES, LLC. RIA/Wealth	−$261.5K −24.2K shares	$5.8M 541.6K shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	−$247.8K −23.6K shares	Sold Off 0 shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited CHI in Q3 2025

New Positions: 8
New Value: $1.2M
Exited Positions: 14
Exited Value: $2.4M

New Positions

Institution	Position Value
W WILEY BROS.-AINTREE CAPITAL, LLC Institution	$399.0K 37.0K shares
B BENJAMIN EDWARDS INC Institution	$358.0K 33.2K shares
Jaffetilchin Investment Partners, LLC RIA/Wealth	$232.3K 21.5K shares
HPM Partners LLC RIA/Wealth	$132.9K 12.3K shares
Turim 21 Investimentos Ltda. RIA/Wealth	$21.0K 1.9K shares
PRINCIPAL SECURITIES, INC. RIA/Wealth	$10.9K 1.0K shares
HIGHLINE WEALTH PARTNERS LLC RIA/Wealth	$4.3K 400.0 shares
ST GERMAIN D J CO INC RIA/Wealth	$3.2K 300.0 shares

Exited Positions

Institution	Previous Position
L.M. KOHN & COMPANY RIA/Wealth	$543.1K 51.6K shares
WINEBRENNER CAPITAL MANAGEMENT LLC Hedge Fund•Multi-Strategy	$315.6K 30.0K shares
Financial Advocates Investment Management RIA/Wealth	$280.1K 26.6K shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Private Equity	$247.8K 23.6K shares
CALTON & ASSOCIATES, INC. RIA/Wealth	$205.3K 19.5K shares
Kestra Advisory Services, LLC RIA/Wealth	$185.7K 17.7K shares
Beacon Pointe Advisors, LLC RIA/Wealth	$135.7K 12.9K shares
X XTX Topco Ltd Institution	$132.6K 12.6K shares
H HRT FINANCIAL LLC Institution	$110.5K 10.5K shares
J J.W. COLE ADVISORS, INC. Institution	$105.5K 10.0K shares

Options Activity

Institutions with the largest Call and Put options positions in CHI as of Q3 2025

Call Positions: 0
Call Value: -
Put Positions: 0
Put Value: -

Call Positions

Institution	Position Value
No call positions found

Put Positions

Institution	Position Value
No put positions found

Most Committed Institutions

Institutions with CHI as the highest % of their portfolio as of Q3 2025

Institution	Key People	Portfolio Weight	Ownership	Owned Since	Total AUM (Long)
Grange Capital, LLC RIA/Wealth	Michael Brent Keeton CIO	3.30% $3.4M	0.41% 316.6K shares	Q4 2024 Held for 11 months	$103.5M
Marathon Strategic Advisors, LLC RIA/Wealth	Nicholas Emanuel Terezis President	2.31% $2.9M	0.34% 267.7K shares	Q4 2023 Held for 1y 11m	$124.9M
Creekside Partners RIA/Wealth	Andrew Shayne Hempeck CEO	1.13% $2.6M	0.31% 238.7K shares	Q2 2024 Held for 1y 5m	$227.0M
Everstar Asset Management, LLC Hedge Fund•Multi-Strategy	Lee Christopher Larson CEO	0.74% $1.3M	0.15% 120.4K shares	Q3 2024 Held for 1y 2m	$176.3M
C Capital CS Group, LLC RIA/Wealth	Jessica Ann Mcconnell Managing Partner	0.45% $272.2K	0.03% 25.2K shares	Q1 2023 Held for 2y 8m	$60.8M
K KFA Private Wealth Group, LLC RIA/Wealth	John Robert Fennig Managing Partner	0.31% $1.1M	0.13% 100.6K shares	Q4 2024 Held for 11 months	$350.1M
Samalin Investment Counsel, LLC RIA/Wealth	Andrew Evan Samalin Managing Partner	0.21% $600.3K	0.07% 55.6K shares	Q4 2019 Held for 5y 11m	$289.2M
WOLVERINE ASSET MANAGEMENT LLC Hedge Fund•Multi-Strategy	Christopher Lazarus Gust CEO	0.21% $3.0M	0.36% 282.6K shares	Q1 2025 Held for 8 months	$1.5B
Legacy Wealth Management, LLC / MS RIA/Wealth	Gregory M Carrico Managing Partner	0.18% $588.7K	0.07% 54.6K shares	Q4 2024 Held for 11 months	$332.2M
SAM Advisors, LLC RIA/Wealth	Donald Anthony Debernardi President	0.17% $530.1K	0.06% 49.1K shares	Q4 2022 Held for 2y 11m	$310.2M

Hedge Fund Spotlight

Discover hedge funds investing in CHI

Everstar Asset Management, LLC

Hedge Fund • Multi-Strategy

Portfolio ManagerLee Christopher Larson

Portfolio Value: $176.3M
Positions: 189
Last Reported: Q3 2025

Sector Allocation

Position in Calamos Convertible Opportunities and Income Fund

Market Value: $1.3M
Shares Held: 120.4K
Portfolio Weight: 0.74%
Owned Since: 2024-Q3

Top Holding	Sector	Market Value	Weight
1 SPDR Bloomberg 1-3 Month T-Bill ETF BIL	ETF ETF	$9.9M	5.59%
2 iShares 1-3 Year Treasury Bond SHY	ETF ETF	$8.7M	4.96%
3 iShares 3-7 Year Treasury Bond IEI	ETF ETF	$7.9M	4.49%