CPSO

Calamos S&P 500 Alt Prot OctETF$28.03 0.16%
UnclassifiedUSCUSIP 12811T829· EOD Jul 31, 2026◍ Confluence graph
Tracked 13F Holders
15
-9 QoQ
13F Value (tracked)
$13.8M
13F Moves · latest Q
2 added
4 trimmed
Recent Filings
0

Price & smart-money activity

$28.03 0.16%2Y +10.9%
$24.72$25.61$26.49$27.38$28.27Oct 2024Feb 2025JunNovMar 2026Jul42335433
Hover for who · click for detailEnd-of-day closing prices52w $26.36 – $28.03

Who owns CPSO?

15 tracked 13F filers

15 tracked 13F filers disclose a position in CPSO as of the latest SEC 13F filings, a combined $13.8M in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

#FundPosition valueSharesLast moveAs ofHistory
1Calamos Advisors LLC
$9.6M
344K
−3.3%
Reduced · −12K sh
Q2 2026
2SUSQUEHANNA INTERNATIONAL GROUP, LLP
$719K
27K
−8.2%
Reduced · −2K sh
Q1 2026
3COMMONWEALTH EQUITY SERVICES, LLC
$650K
24K
−6.6%
Reduced · −2K sh
Q1 2026
4Blue Water Asset Management
$570K
20K
−34%
Reduced · −10K sh
Q2 2026
5Calamos Wealth Management LLC
$553K
20K
−22%
Reduced · −6K sh
Q2 2026
6OLD MISSION CAPITAL LLC
$511K
19K
+8.1%
Added · +1K sh
Q1 2026
7HARBOUR INVESTMENTS, INC.
$388K
14K
−32%
Reduced · −7K sh
Q1 2026
8Rooted Wealth Advisors, Inc.
$348K
12K
Held
Q2 2026
9Security Financial Services, INC.
$282K
10K
Held
Q2 2026
10Spire Wealth Management
$65K
2K
Held
Q1 2026
11OSAIC HOLDINGS, INC.
$55K
2K
Held
Q1 2026
12MORGAN STANLEY
$54K
2K
Held
Q1 2026
13Advisory Services Network, LLC
$32K
1K
New
+1K sh
Q1 2026
14CREATIVE FINANCIAL DESIGNS INC /ADV
$14K
492
−44%
Reduced · −379 sh
Q2 2026
15New England Capital Financial Advisors LLC
$11K
408
Held
Q2 2026

Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

Is CPSO being bought or sold by institutions?

Last quarter, 1 fund opened a new position in CPSO and 1 added to an existing one, while 4 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).

Opened (NEW)
1
funds
Added
1
funds
Reduced
4
funds
Exited
0
funds

Funds that own CPSO also own

CompanyCo-held byCombined value
NVIDIA CORPNVDA3 funds$1.6B
APPLE INCAAPL3 funds$1.5B
MICROSOFT CORPMSFT3 funds$991.8M
ALPHABET INC-CL AGOOGL3 funds$844.0M
AMAZON.COM INCAMZN3 funds$815.7M
BROADCOM INCAVGO3 funds$573.6M
SS SPDR S&P 500 ETF TRUST-USSPY3 funds$503.8M
META PLATFORMS INC-CLASS AMETA3 funds$464.9M
ISHARES CORE S&P 500 ETFIVV3 funds$349.5M
ELI LILLY & COLLY3 funds$338.5M
TESLA INCTSLA3 funds$333.3M
ALPHABET INC-CL CGOOG3 funds$312.7M

Ranked by how many of CPSO's institutional holders also hold each name, a cross-fund conviction signal.

Institutional ownership over time

7 funds-2 since Q4 2024
0816Q4 2024Q2 2025Q4 2025Q2 2026
funds holding aggregate valuelatest $11.4M

Share classes

Class13F holdersValue held
CAIEmc124 funds$409.2M
CAIQmc44 funds$101.9M
CPNJmc27 funds$9.4M
CPSLLADDERED S&P 50026 funds$55.2M
CPSMmc25 funds$25.7M
CPSDS&P 500 STRUCTU25 funds$25.6M
CPSJS&P 500 STRUCTUR25 funds$21.6M
CPRJmc22 funds$10.5M

Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.

Recent filings

0 shown

No filings captured for this ticker in the live stream yet.

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Ask your agent what changed in CPSO

This ETF page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/stocks/CPSO/capital-change-brief"
Ask your agent
Use Arkolith's capital_change_brief for CPSO.
Tell me what changed, whether insider activity
corroborates it, and cite the SEC evidence.

13F holdings + quarter-over-quarter ownership changes + end-of-day price history + the live filing stream, joined for CPSO. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.