CPST

Calamos S&P 500 Structured Alt Protection ETF - September
CPST

Overview Fund Activity

13 hedge funds and large institutions have $12.9M invested in Calamos S&P 500 Structured Alt Protection ETF - September in 2025 Q1 according to their latest regulatory filings, with 3 funds opening new positions, 0 increasing their positions, 2 reducing their positions, and 6 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
13
Holders Change
-3
Holders Change %
-18.75%
% of All Funds
0.18%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
3
Increased
–
Reduced
2
Closed
6
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
CP
Camelot Portfolios
Ohio
$663K
2
Susquehanna International Group
Susquehanna International Group
Pennsylvania
$433K
3
UBS Group
UBS Group
Switzerland
$1.81K

Top Sellers

1
Calamos Advisors
Calamos Advisors
Illinois
$5.14M
2
OMC
Old Mission Capital
Illinois
$0
3
Jane Street
Jane Street
New York
$0
4
Wealth Enhancement Advisory Services
Wealth Enhancement Advisory Services
Minnesota
$0
5
JWCA
J.W. Cole Advisors
Florida
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
Calamos Advisors
1
Calamos Advisors
Illinois
$5.14M -$1.39M -55,260 -21%
CWM
2
Calamos Wealth Management
Illinois
$3.81M – – –
Osaic Holdings
3
Osaic Holdings
Arizona
$888K – – –
CP
4
Camelot Portfolios
Ohio
$663K +$663K +26,321 New
Commonwealth Equity Services
5
Commonwealth Equity Services
Massachusetts
$518K – – –
FA
6
Flagstar Advisors
New York
$504K – – –
Susquehanna International Group
7
Susquehanna International Group
Pennsylvania
$433K +$433K +17,206 New
CAL
8
Capital Analysts LLC
Pennsylvania
$368K – – –
HWM
9
Hohimer Wealth Management
Washington
$249K – – –
MOS
10
MGO One Seven
Ohio
$227K – – –
BFS
11
Burkett Financial Services
South Carolina
$112K -$30K -1,190 -21%
CFD
12
Creative Financial Designs
Indiana
$7.53K – – –
UBS Group
13
UBS Group
Switzerland
$1.81K +$1.81K +72 New
OMC
14
Old Mission Capital
Illinois
– -$617K -24,384 Closed
Jane Street
15
Jane Street
New York
– -$504K -19,892 Closed
Wealth Enhancement Advisory Services
16
Wealth Enhancement Advisory Services
Minnesota
– -$244K -9,648 Closed
JWCA
17
J.W. Cole Advisors
Florida
– -$201K -7,922 Closed
Bank of America
18
Bank of America
North Carolina
– -$3.93K -155 Closed
AWM
19
AE Wealth Management
Kansas
– -$1.17K -46 Closed