Osaic Holdings
CPST

Osaic Holdings’s Calamos S&P 500 Structured Alt Protection ETF - September CPST Stock Holding History

Osaic Holdings’s Portfolio CPST Stock Details CPST Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$2.81M Sell
104,344
-4,933
-5% -$134K ﹤0.01% 1795
2025
Q4 		$2.95M Buy
109,277
+99,622
+1,032% +$2.68M ﹤0.01% 1776
2025
Q3 		$256K Hold
9,655
– – ﹤0.01% 4009
2025
Q2 		$252K Sell
9,655
-25,619
-73% -$652K ﹤0.01% 3744
2025
Q1 		$888K Hold
35,274
– – ﹤0.01% 2350
2024
Q4 		$893K Buy
35,274
+33,774
+2,252% +$851K ﹤0.01% 2291
2024
Q3 		$37.6K Buy
+1,500
New +$37.4K ﹤0.01% 4947

Other funds holding CPST

Calamos Advisors
Calamos Advisors Naperville, Illinois $30.1B AUM 30.03% 1-Year Est. Return
CWM
Calamos Wealth Management Naperville, Illinois $3.31B AUM 32.95% 1-Year Est. Return
OMC
Old Mission Capital Chicago, Illinois $6.3B AUM 14.68% 1-Year Est. Return
CP
Camelot Portfolios Maumee, Ohio $143M AUM 14.82% 1-Year Est. Return
Commonwealth Equity Services
Commonwealth Equity Services Waltham, Massachusetts $79.5B AUM 27.1% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
BWAM
Blue Water Asset Management Grand Rapids, Michigan $289M AUM
LWP
LeClair Wealth Partners Dublin, Ohio $289M AUM 19.98% 1-Year Est. Return
CAL
Capital Analysts LLC Fort Washington, Pennsylvania $3.81B AUM 15.52% 1-Year Est. Return
GFG
Grantvest Financial Group Matawan, New Jersey $154M AUM 10.37% 1-Year Est. Return

Osaic Holdings's CPST Position: Q1 2026 in Review

Osaic Holdings reduced its Calamos S&P 500 Structured Alt Protection ETF - September (CPST) stake by 4.5% in Q1 2026, selling an estimated $134K and leaving 104,344 shares worth $2.81M. The position accounts for ﹤0.01% of the portfolio, ranked #1795.

Osaic Holdings first reported a position in CPST in Q3 2024 and has held it in 7 quarters since. The position peaked at $2.95M in Q4 2025. 19 funds tracked by Wall St. Rank hold CPST as of Q1 2026.

  • Osaic Holdings held 104,344 shares of Calamos S&P 500 Structured Alt Protection ETF - September worth $2.81M as of Q1 2026.
  • Osaic Holdings sold 4,933 Calamos S&P 500 Structured Alt Protection ETF - September shares in Q1 2026, an estimated $134K.
  • Calamos S&P 500 Structured Alt Protection ETF - September made up ﹤0.01% of Osaic Holdings's portfolio in Q1 2026, its #1795 holding.
  • Osaic Holdings first reported a position in Calamos S&P 500 Structured Alt Protection ETF - September in Q3 2024 and has held it in 7 quarters since.
  • Osaic Holdings's Calamos S&P 500 Structured Alt Protection ETF - September position peaked at $2.95M in Q4 2025.
  • 19 funds tracked by Wall St. Rank held Calamos S&P 500 Structured Alt Protection ETF - September as of Q1 2026.

Based on Osaic Holdings's 13F filing for Q1 2026, filed 15 May 2026.