How many institutions own CPSO stock?

A company's 13F filings with the Securities and Exchange Commission (SEC) provides investors with comprehensive information about institutional ownership in a listed company, a sign of strength in terms of how many institutions have confidence in that company. The number of institutional investors who currently own CPSO shares is N/A, representing N/A of the company's common stock.

Who are the major shareholders selling Calamos S&P 500 Structured Alt Protection ETF – October stock?

OLD MISSION CAPITAL LLC, in the last quarter, reduced its stake in CPSO by -39.36% restricting it's holding to 11.47 thousand shares of worth nearly $319.38K. CALAMOS ADVISORS LLC also lessened -3.25% of the CPSO shares from its portfolio, reducing its holding to 344.45 thousand shares of worth $9.59M. ADVISORY SERVICES NETWORK, LLC also shunned CPSO shares holding by -100% last quarter which brought its holding to 0 shares worth -.

Investors who are buying CPSO stock?

As per its latest 13F filing, TUCKER ASSET MANAGEMENT LLC increased its stake in CPSO by 100% in the last quarter. The institutional holder raised its holding to 1.78 thousand shares having worth more than $49.61K. SUSQUEHANNA INTERNATIONAL GROUP, LLP also added 114.32% more shares of CPSO to its portfolio, raising its holding to 57.08 thousand shares of worth $1.59M. REGATTA RESEARCH & MONEY MANAGEMENT also increased its CPSO shares holding by 100% which brought its holding to 1.08 thousand shares worth $29.96K.

CPSO's major insiders: who are they?

The insider with the most stakes in CPSO is N/A , N/A at the company. Additionally, CPSO stock is highly held by N/A N/A and N/A N/A among others.

Did an insider recently sell CPSO stock?

Company executives, directors, and other insiders own N/A percent of Calamos S&P 500 Structured Alt Protection ETF – October's stock. Within the last six months, there have been 0 transaction(s) in which CPSO insiders have sold stock, totaling 0 shares. Insiders that have sold shares include .

Which insider recently purchased CPSO stock?

There have been 0 transaction(s) during the past 6-months in which Calamos S&P 500 Structured Alt Protection ETF – October insiders have bought stock, totalling 0 shares

How much of CPSO does insiders own?

Around 0 Calamos S&P 500 Structured Alt Protection ETF – October shares are held by insiders, which represents about N/A of CPSO stock.

Who is the insider with the largest stake?

CPSO N/A, N/A holds the largest portfolio of the company's shares. CPSO shares owned by N/A total nearly -.

Which institution holds the most shares in CPSO?

OLD MISSION CAPITAL LLC is the largest institutional owner in CPSO which holds 11.47 thousand shares worth $319.38K or 1.21% of the total CPSO shares outstanding followed by SPIRE WEALTH MANAGEMENT with ownership of 2.4 thousand shares representing 0.25% of the CPSO ownership. ADVISOR GROUP HOLDINGS, INC. is the third largest stakeholder with 2.05 thousand shares or 0.22% of the ownership worth more than $56.96K.

Is Calamos S&P 500 Structured Alt Protection ETF – October stock optionable?

Stock options give the owner the ability but not the obligation to buy or sell a security at a predetermined price and date. Stock options can be classified into two types: puts and calls. A put is a bet on falling stock, and a call is a bet on rising stock. As far as the CPSO is concerned, it is a stock which is not optionable.

Is there a short position on CPSO's shares?

Number of CPSO shares short is null. Shares short is a market sentiment in which investors have sold their shares short in a given stock but have not yet covered them or closed them out.

About how many outstanding CPSO shares are there?

As of today, null shares of CPSO are outstanding.

Is there many float in CPSO stock?

Float represents the number of tradeable shares in a specific stock. By subtracting restricted and closely-held shares from a firm's total outstanding shares, we can calculate its floating stock. The term "closely-held shares" refers to shares held by employees, major shareholders, and company insiders. At present, CPSO has null shares in float.

CPSO short ratio: what is it?

Short ratio is calculated by dividing the number of short shares, short interest or bets that shareholders will sell short from the average daily volume. A higher ratio indicates longer times needed to repurchase borrowed shares (sold). The short ratio for CPSO is null.

Calamos S&P 500 Structured Alt Protection ETF – October (CPSO) insider trading activity: Get Latest News Today

Stock Outstanding Shares

Making an investment decision in the stock market involves a certain amount of risk, so it's important to thoroughly review a company's stock before making any decisions. Stock float, number of short positions and outstanding shares are among the many factors an investor should take into account.

ShortableYes

OptionableNo

Short Percent Of Outstanding SharesN/A

Short Percent Of FloatN/A

Shares OutstandingN/A

Shares FloatN/A

Shares ShortN/A

Short RatioN/A

N/A

Short % of Float

N/A

Short % of Shares Outstanding

Institutional Ownership

About N/A of shares are held by financial institutions. OLD MISSION CAPITAL LLC is the top corporate investor, holding 11.47K shares valued at $319.38K. A 1.21% stake in Calamos S&P 500 Structured Alt Protection ETF – October is owned by the company. SPIRE WEALTH MANAGEMENT owns 2.4K shares valued at $66.84K, which translates its holding of 0.25% of the stake in the company.

Date	Holder	% Stake	Shares Held	Total Value ($)	Shares	% Change in Portfolio
Jun 30, 2026	OLD MISSION CAPITAL LLC	1.21%	11.47K	319.38K	-7.45K	-39.36%
Jun 30, 2026	SPIRE WEALTH MANAGEMENT	0.25%	2.4K	66.84K	0	0
Jun 30, 2026	ADVISOR GROUP HOLDINGS, INC.	0.22%	2.05K	56.96K	0	0
Jun 30, 2026	MORGAN STANLEY	0.21%	2K	55.68K	0	0
Jun 30, 2026	TUCKER ASSET MANAGEMENT LLC	0.19%	1.78K	49.61K	1.78K	+100.00%
Jun 30, 2026	SUSQUEHANNA INTERNATIONAL GROUP, LLP	6.02%	57.08K	1.59M	30.45K	+114.32%
Jun 30, 2026	CALAMOS ADVISORS LLC	36.3%	344.45K	9.59M	-11.58K	-3.25%
Jun 30, 2026	ADVISORY SERVICES NETWORK, LLC	0%	0	-	-1.19K	-100.00%
Jun 30, 2026	NEW ENGLAND CAPITAL FINANCIAL ADVISORS LLC	0.04%	408	11.36K	0	0
Jun 30, 2026	SECURITY FINANCIAL SERVICES, INC.	1.07%	10.13K	282.08K	0	0
Jun 30, 2026	HARBOUR INVESTMENTS, INC.	1.21%	11.51K	320.41K	-2.86K	-19.88%
Jun 30, 2026	ROOTED WEALTH ADVISORS, INC.	1.32%	12.49K	347.61K	0	0
Jun 30, 2026	CALAMOS WEALTH MANAGEMENT LLC	2.09%	19.87K	553.1K	-5.59K	-21.95%
Jun 30, 2026	LECLAIR WEALTH PARTNERS LLC	0%	0	-	-30.8K	-100.00%
Jun 30, 2026	CREATIVE FINANCIAL DESIGNS INC /ADV	0.05%	492	13.7K	-379	-43.51%
Jun 30, 2026	REGATTA RESEARCH & MONEY MANAGEMENT	0.11%	1.08K	29.96K	1.08K	+100.00%
Jun 30, 2026	BLUE WATER ASSET MANAGEMENT	2.16%	20.48K	570.19K	-10.32K	-33.51%
Jun 30, 2026	COMMONWEALTH EQUITY SERVICES, LLC	2.54%	24.06K	669.88K	0	0
Jun 30, 2026	GRANTVEST FINANCIAL GROUP LLC	1.25%	11.89K	330.96K	-2.79K	-19.01%
Jun 30, 2026	CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC.	1.2%	11.39K	317K	0	0
Jun 30, 2026	CAPITAL ANALYSTS, LLC	1.18%	11.15K	310K	0	0
Jun 30, 2026	FIDUCIARY FINANCIAL ADVISORS	1.16%	11.05K	307.6K	11.05K	+100.00%
Jun 30, 2026	SLOY DAHL & HOLST, LLC	1.13%	10.74K	299K	0	0
Mar 31, 2026	SUSQUEHANNA INTERNATIONAL GROUP, LLP	2.81%	26.64K	719.26K	-2.37K	-8.17%
Mar 31, 2026	LECLAIR WEALTH PARTNERS LLC	3.25%	30.8K	831.82K	30.8K	+100.00%
Mar 31, 2026	CALAMOS ADVISORS LLC	37.52%	356.03K	9.61M	69.39K	+24.21%
Mar 31, 2026	NEW ENGLAND CAPITAL FINANCIAL ADVISORS LLC	0.04%	408	11.02K	-40	-8.93%
Mar 31, 2026	ADVISORY SERVICES NETWORK, LLC	0.13%	1.19K	32.14K	1.19K	+100.00%
Mar 31, 2026	MORGAN STANLEY	0.21%	2K	54.01K	0	0
Mar 31, 2026	ADVISOR GROUP HOLDINGS, INC.	0.22%	2.05K	55.25K	0	0
Mar 31, 2026	SPIRE WEALTH MANAGEMENT	0.25%	2.4K	64.84K	0	0
Mar 31, 2026	CAPITAL ANALYSTS, LLC	1.18%	11.15K	301K	0	0
Mar 31, 2026	TUCKER ASSET MANAGEMENT LLC	0%	0	-	-1.78K	-100.00%
Mar 31, 2026	CAMELOT PORTFOLIOS, LLC	0%	0	-	-1.62K	-100.00%
Mar 31, 2026	SECURITY FINANCIAL SERVICES, INC.	1.07%	10.13K	273.61K	0	0
Mar 31, 2026	CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC.	1.2%	11.39K	307K	-604	-5.04%
Mar 31, 2026	ROOTED WEALTH ADVISORS, INC.	1.32%	12.49K	343.05K	0	0
Mar 31, 2026		0%	0	-	-15.1K	-100.00%
Mar 31, 2026	CREATIVE FINANCIAL DESIGNS INC /ADV	0.09%	871	23.52K	33	+3.94%
Mar 31, 2026	TRUSTBANK	0%	0	-	-15.1K	-100.00%
Mar 31, 2026	UBS GROUP AG	0%	0	-	-100	-100.00%
Mar 31, 2026	SLOY DAHL & HOLST, LLC	1.13%	10.74K	290.03K	0	0
Mar 31, 2026	HARBOUR INVESTMENTS, INC.	1.51%	14.37K	387.92K	-6.76K	-32.01%
Mar 31, 2026	COMMONWEALTH EQUITY SERVICES, LLC	2.54%	24.06K	649.77K	-1.69K	-6.58%
Mar 31, 2026	BLUE WATER ASSET MANAGEMENT	3.25%	30.8K	831.82K	-163	-0.53%
Mar 31, 2026	GRANTVEST FINANCIAL GROUP LLC	1.55%	14.68K	396.4K	-2.12K	-12.60%
Mar 31, 2026	OLD MISSION CAPITAL LLC	1.99%	18.92K	510.87K	1.42K	+8.14%
Mar 31, 2026	CALAMOS WEALTH MANAGEMENT LLC	2.68%	25.45K	687.26K	-461	-1.78%
Dec 31, 2025	ADVISOR GROUP HOLDINGS, INC.	0.33%	2.05K	55.37K	2.05K	+100.00%
Dec 31, 2025	CALAMOS ADVISORS LLC	46.14%	286.65K	7.76M	31.76K	+12.46%
Dec 31, 2025	HARBOUR INVESTMENTS, INC.	3.4%	21.13K	572.4K	19.55K	+1,239.76%
Dec 31, 2025	OLD MISSION CAPITAL LLC	2.82%	17.49K	473.46K	17.49K	+100.00%
Dec 31, 2025	GRANTVEST FINANCIAL GROUP LLC	2.7%	16.8K	454.55K	16.8K	+100.00%
Dec 31, 2025	SUSQUEHANNA INTERNATIONAL GROUP, LLP	4.67%	29.01K	785.03K	21.49K	+286.03%
Dec 31, 2025	COMMONWEALTH EQUITY SERVICES, LLC	4.15%	25.76K	697.06K	-2.66K	-9.36%
Dec 31, 2025		2.43%	15.1K	408.67K	15.1K	+100.00%
Dec 31, 2025	ROOTED WEALTH ADVISORS, INC.	2.01%	12.49K	339.04K	0	0
Dec 31, 2025	CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC.	1.93%	11.99K	324K	11.99K	+100.00%
Dec 31, 2025	CAPITAL ANALYSTS, LLC	1.79%	11.15K	302K	0	0
Dec 31, 2025	CALAMOS WEALTH MANAGEMENT LLC	4.17%	25.92K	701.26K	10.31K	+66.11%
Dec 31, 2025	SLOY DAHL & HOLST, LLC	1.73%	10.74K	290.67K	0	0
Dec 31, 2025	SECURITY FINANCIAL SERVICES, INC.	1.63%	10.13K	274.22K	10.13K	+100.00%
Dec 31, 2025	SPIRE WEALTH MANAGEMENT	0.39%	2.4K	64.98K	2.4K	+100.00%
Dec 31, 2025	MORGAN STANLEY	0.32%	2K	54.13K	0	0
Dec 31, 2025	TUCKER ASSET MANAGEMENT LLC	0.29%	1.78K	48.23K	1.78K	+100.00%
Dec 31, 2025	CAMELOT PORTFOLIOS, LLC	0.26%	1.62K	43.71K	1.62K	+100.00%
Dec 31, 2025	MOTIV8 INVESTMENTS LLC	0.22%	1.34K	36K	1.34K	+100.00%
Dec 31, 2025	CREATIVE FINANCIAL DESIGNS INC /ADV	0.13%	838	22.68K	335	+66.60%
Dec 31, 2025	NEW ENGLAND CAPITAL FINANCIAL ADVISORS LLC	0.07%	448	12.13K	448	+100.00%
Dec 31, 2025	UBS GROUP AG	0.02%	100	2.71K	-1.27K	-92.71%
Sep 30, 2025	UBS GROUP AG	0.22%	1.37K	36.74K	-81	-5.58%
Sep 30, 2025	CALAMOS WEALTH MANAGEMENT LLC	2.5%	15.6K	418.11K	-3.01K	-16.18%
Sep 30, 2025	MORGAN STANLEY	0.32%	2K	53.6K	0	0
Sep 30, 2025	SUSQUEHANNA INTERNATIONAL GROUP, LLP	1.2%	7.51K	201.36K	-9.13K	-54.85%
Sep 30, 2025	CREATIVE FINANCIAL DESIGNS INC /ADV	0.08%	503	13.48K	0	0
Sep 30, 2025	CALAMOS ADVISORS LLC	40.8%	254.88K	6.83M	-2.09K	-0.81%
Sep 30, 2025	HARBOUR INVESTMENTS, INC.	0.25%	1.58K	42.26K	-980	-38.33%
Sep 30, 2025	ROOTED WEALTH ADVISORS, INC.	2%	12.49K	335.08K	12.49K	+100.00%
Sep 30, 2025	COMMONWEALTH EQUITY SERVICES, LLC	4.55%	28.42K	761K	-495	-1.71%
Sep 30, 2025	OLD MISSION CAPITAL LLC	0%	0	-	-15.51K	-100.00%
Sep 30, 2025	SLOY DAHL & HOLST, LLC	1.72%	10.74K	287.81K	0	0
Sep 30, 2025	CAPITAL ANALYSTS, LLC	1.78%	11.15K	299K	0	0
Jun 30, 2025	UBS GROUP AG	0.22%	1.45K	38.09K	221	+17.95%
Jun 30, 2025	CREATIVE FINANCIAL DESIGNS INC /ADV	0.07%	503	13.19K	-36	-6.68%
Jun 30, 2025	CENTAURUS FINANCIAL, INC.	0%	0	-	-83.17K	-100.00%
Jun 30, 2025	MORGAN STANLEY	0.3%	2K	52.46K	2K	+100.00%
Jun 30, 2025	HARBOUR INVESTMENTS, INC.	0.38%	2.56K	67K	-1.96K	-43.37%
Jun 30, 2025	SLOY DAHL & HOLST, LLC	1.6%	10.74K	281.72K	0	0
Jun 30, 2025	CETERA INVESTMENT ADVISERS	0%	0	-	-8.49K	-100.00%
Jun 30, 2025	SUSQUEHANNA INTERNATIONAL GROUP, LLP	2.48%	16.64K	436.5K	-152	-0.91%
Jun 30, 2025	CAPITAL ANALYSTS, LLC	1.66%	11.15K	292K	0	0
Jun 30, 2025	OLD MISSION CAPITAL LLC	2.31%	15.51K	406.81K	15.51K	+100.00%
Jun 30, 2025	CALAMOS WEALTH MANAGEMENT LLC	2.77%	18.61K	488.22K	-19.19K	-50.76%
Jun 30, 2025	COMMONWEALTH EQUITY SERVICES, LLC	4.3%	28.91K	758K	0	0
Jun 30, 2025	CALAMOS ADVISORS LLC	38.25%	256.97K	6.74M	54.02K	+26.62%
Mar 31, 2025	HARBOUR INVESTMENTS, INC.	0.73%	4.52K	114.5K	980	+27.72%
Mar 31, 2025	CAPITAL ANALYSTS, LLC	1.81%	11.15K	283K	1.78K	+18.97%
Mar 31, 2025		0%	0	-	-225.03K	-100.00%
Mar 31, 2025	UBS GROUP AG	0.2%	1.23K	31.24K	1.23K	+100.00%
Mar 31, 2025	SUSQUEHANNA INTERNATIONAL GROUP, LLP	2.72%	16.79K	426.11K	16.79K	+100.00%
Mar 31, 2025	COMMONWEALTH EQUITY SERVICES, LLC	4.68%	28.91K	734K	-4.16K	-12.57%
Mar 31, 2025	CALAMOS WEALTH MANAGEMENT LLC	6.12%	37.8K	959.01K	0	0
Mar 31, 2025	CENTAURUS FINANCIAL, INC.	13.47%	83.17K	2.11M	0	0
Mar 31, 2025	CALAMOS ADVISORS LLC	32.88%	202.95K	5.15M	-54.94K	-21.30%
Mar 31, 2025	WEALTH ENHANCEMENT ADVISORY SERVICES, LLC	0%	0	-	-102.2K	-100.00%
Mar 31, 2025	ENVESTNET ASSET MANAGEMENT INC	0%	0	-	-221.35K	-100.00%
Mar 31, 2025	CETERA INVESTMENT ADVISERS	1.37%	8.49K	215.33K	0	0
Mar 31, 2025	CREATIVE FINANCIAL DESIGNS INC /ADV	0.09%	539	13.68K	0	0
Mar 31, 2025	SLOY DAHL & HOLST, LLC	1.74%	10.74K	272.52K	1.34K	+14.26%

CPSO Stock Ownership Breakdown