Cambridge Investment Research Advisors
CPSO

Cambridge Investment Research Advisors’s Calamos S&P 500 Structured Alt Protection ETF - October CPSO Stock Holding History

Cambridge Investment Research Advisors’s Portfolio CPSO Stock Details CPSO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$317K Hold
11,385
– – ﹤0.01% 3402
2026
Q1 		$307K Sell
11,385
-604
-5% -$16.4K ﹤0.01% 3262
2025
Q4 		$324K Buy
+11,989
New +$323K ﹤0.01% 3126

Other funds holding CPSO

Calamos Advisors
Calamos Advisors Naperville, Illinois $30.1B AUM 30.03% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return
Commonwealth Equity Services
Commonwealth Equity Services Waltham, Massachusetts $79.5B AUM 27.1% 1-Year Est. Return
BWAM
Blue Water Asset Management Grand Rapids, Michigan $310M AUM
CWM
Calamos Wealth Management Naperville, Illinois $3.31B AUM 32.95% 1-Year Est. Return
RWA
Rooted Wealth Advisors Bourbonnais, Illinois $408M AUM 18.96% 1-Year Est. Return
GFG
Grantvest Financial Group Matawan, New Jersey $173M AUM 15.36% 1-Year Est. Return
HI
Harbour Investments Madison, Wisconsin $7.43B AUM 24.49% 1-Year Est. Return
OMC
Old Mission Capital Chicago, Illinois $6.31B AUM 20.77% 1-Year Est. Return
CAL
Capital Analysts LLC Fort Washington, Pennsylvania $4.34B AUM 17.55% 1-Year Est. Return

Cambridge Investment Research Advisors's CPSO Position: Q2 2026 in Review

Cambridge Investment Research Advisors held its Calamos S&P 500 Structured Alt Protection ETF - October (CPSO) position steady in Q2 2026 at 11,385 shares worth $317K. The position accounts for ﹤0.01% of the portfolio, ranked #3402.

Cambridge Investment Research Advisors first reported a position in CPSO in Q4 2025 and has held it in 3 quarters since. The position peaked at $324K in Q4 2025. 20 funds tracked by Wall St. Rank hold CPSO as of Q2 2026.

  • Cambridge Investment Research Advisors held 11,385 shares of Calamos S&P 500 Structured Alt Protection ETF - October worth $317K as of Q2 2026.
  • Cambridge Investment Research Advisors left its Calamos S&P 500 Structured Alt Protection ETF - October share count unchanged in Q2 2026.
  • Calamos S&P 500 Structured Alt Protection ETF - October made up ﹤0.01% of Cambridge Investment Research Advisors's portfolio in Q2 2026, its #3402 holding.
  • Cambridge Investment Research Advisors first reported a position in Calamos S&P 500 Structured Alt Protection ETF - October in Q4 2025 and has held it in 3 quarters since.
  • Cambridge Investment Research Advisors's Calamos S&P 500 Structured Alt Protection ETF - October position peaked at $324K in Q4 2025.
  • 20 funds tracked by Wall St. Rank held Calamos S&P 500 Structured Alt Protection ETF - October as of Q2 2026.

Based on Cambridge Investment Research Advisors's 13F filing for Q2 2026, filed 27 Jul 2026.