CPSU

Calamos SP500 Sa Pro ETF JunETF
UnclassifiedCUSIP 12811T746

Among active 13F managers last quarter, 4 opened and 2 added, while 3 reduced; the largest holder to move was Calamos Advisors LLC (+4.7%).

Tracked 13F holders
15
11 in Q2 2026 filings
13F value (tracked)
$13.9M
13F moves · latest Q
6 added
3 reduced

Who owns CPSU?

15 tracked 13F filers · ranked by shares held

15 tracked 13F filers disclose a position in CPSU as of the latest SEC 13F filings, a combined $13.9M 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.

#FundSharesPosition valueLast moveAs ofHistory
1Calamos Advisors LLC346K
$9.6M
+4.7%
Added · +16K sh
Q2 2026
2Jessup Wealth Management, Inc55K
$1.5M
New
+55K sh
Q2 2026
3Old Mission Capital LLC18K
$476K
+1.6%
Added · +281 sh
Q1 2026
4Calamos Wealth Management LLC16K
$452K
New
+16K sh
Q2 2026
5PFG Advisors15K
$403K
−0.8%
Reduced · −112 sh
Q2 2026
6Centaurus Financial, Inc.13K
$358K
Held
Q2 2026
7Advus Financial Partners, LLC9K
$257K
−1.2%
Reduced · −112 sh
Q2 2026
8Armstrong Advisory Group, Inc8K
$224K
New
+8K sh
Q2 2026
9Fairscale Capital, LLC7K
$200K
New
+7K sh
Q2 2026
10Ashton Thomas Private Wealth, LLC6K
$153K
Held
Q2 2026
11Advisory Services Network, LLC5K
$128K
New
+5K sh
Q1 2026
12New England Capital Financial Advisors LLC2K
$46K
+453%
Added · +1K sh
Q2 2026
13Farther Finance Advisors, LLC2K
$41K
Held
Q1 2026
14Burkett Financial Services, LLC905
$25K
New
+905 sh
Q2 2026
15Creative Financial Designs Inc604
$17K
−53%
Reduced · −688 sh
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 CPSU being bought or sold by institutions?

Last quarter, 4 funds opened a new position in CPSU and 2 added to an existing one, while 3 reduced. Based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).

Opened
4
funds took a first position
Added
2
added to an existing position
Reduced
3
reduced, still holding
Biggest moves · ranked by size of the change, positions above a floor

Funds that own CPSU also own

CompanyCo-held byTheir position there
Nvidia CorpNVDA11 funds$2.0B
Tesla IncTSLA11 funds$473.7M
Invesco QQQ Trust Series 1QQQ11 funds$389.4M
Lockheed Martin CorpLMT11 funds$49.9M
General Dynamics CorpGD11 funds$36.5M
Apple IncAAPL10 funds$1.8B
Microsoft CorpMSFT10 funds$1.1B
Amazon.com IncAMZN10 funds$1.0B
Ishares Core S&P 500 ETFIVV10 funds$1.0B
Alphabet Inc-CL AGOOGL10 funds$932.9M
SS SPDR S&P 500 ETF Trust-USSPY10 funds$627.3M
Vanguard S&P 500 ETFVOO10 funds$528.2M

Ranked by how many of CPSU's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in CPSU.

Institutional ownership over time

11 tracked filers in Q2 2026 filings+1 vs Q1 2026
0611Q2 2025Q3 2025Q4 2025Q1 2026Q2 2026
tracked filers holding their reported valueQ2 2026 filings: $13.0M
Each bar counts tracked filers with a position in that quarter's filings, so the newest bar excludes filers still on an earlier quarter. Arkolith's tracked universe has grown over this window; part of any long-run rise is coverage, not new buyers.

Share classes

Class13F holdersValue held
CAIEmc153 funds$516.8M
CAIQmc55 funds$115.9M
CAGEETF32 funds$20.7M
CPSLLADDERED S&P 500 ETF29 funds$56.6M
CPSMmc29 funds$27.3M
CPSDS&P 500 STRUCTU29 funds$26.8M
CPSJS&P 500 STR JULY29 funds$23.4M
CPNJmc29 funds$10.3M

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

Recent filings

0 most recent

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

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Ask your agent what changed in CPSU

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/CPSU/capital-change-brief"
Ask your agent
Use Arkolith's capital_change_brief for CPSU.
Tell me what changed, whether insider activity
corroborates it, and cite the SEC evidence.

13F holdings + quarter-over-quarter ownership changes + the live filing stream, joined for CPSU. Filings are public domain, sourced to SEC EDGAR.