HI
CBTO

Harbour Investments’s Calamos Bitcoin 80 Series Structured Alt Protection ETF - October CBTO Stock Holding History

Harbour Investments’s Portfolio CBTO Stock Details CBTO Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$84.4K Hold
4,287
– – ﹤0.01% 2117
2026
Q1 		$86K Buy
4,287
+3,515
+455% +$72.9K ﹤0.01% 2047
2025
Q4 		$16.6K Buy
+772
New +$17.6K ﹤0.01% 2500

Other funds holding CBTO

Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return
Calamos Advisors
Calamos Advisors Naperville, Illinois $30.1B AUM 30.03% 1-Year Est. Return
Jane Street
Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return
BCI
Brinker Capital Investments Berwyn, Pennsylvania $13.1B AUM 28.37% 1-Year Est. Return
CWM
Calamos Wealth Management Naperville, Illinois $3.31B AUM 32.95% 1-Year Est. Return
AW
Ankerstar Wealth Leander, Texas $119M AUM
IA
IFP Advisors Tampa, Florida $5.54B AUM 27.43% 1-Year Est. Return
NWMP
Noble Wealth Management PBC Greenwood Village, Colorado $223M AUM 16.47% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
VL
Vima LLC Troy, Michigan $103M AUM

Harbour Investments's CBTO Position: Q2 2026 in Review

Harbour Investments held its Calamos Bitcoin 80 Series Structured Alt Protection ETF - October (CBTO) position steady in Q2 2026 at 4,287 shares worth $84.4K. The position accounts for ﹤0.01% of the portfolio, ranked #2117.

Harbour Investments first reported a position in CBTO in Q4 2025 and has held it in 3 quarters since. The position peaked at $86K in Q1 2026. 12 funds tracked by Wall St. Rank hold CBTO as of Q2 2026.

  • Harbour Investments held 4,287 shares of Calamos Bitcoin 80 Series Structured Alt Protection ETF - October worth $84.4K as of Q2 2026.
  • Harbour Investments left its Calamos Bitcoin 80 Series Structured Alt Protection ETF - October share count unchanged in Q2 2026.
  • Calamos Bitcoin 80 Series Structured Alt Protection ETF - October made up ﹤0.01% of Harbour Investments's portfolio in Q2 2026, its #2117 holding.
  • Harbour Investments first reported a position in Calamos Bitcoin 80 Series Structured Alt Protection ETF - October in Q4 2025 and has held it in 3 quarters since.
  • Harbour Investments's Calamos Bitcoin 80 Series Structured Alt Protection ETF - October position peaked at $86K in Q1 2026.
  • 12 funds tracked by Wall St. Rank held Calamos Bitcoin 80 Series Structured Alt Protection ETF - October as of Q2 2026.

Based on Harbour Investments's 13F filing for Q2 2026, filed 12 Aug 2026.