Jane Street
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Jane Street’s Calamos Tax-Aware Collateral ETF CBOX Stock Holding History

Jane Street’s Portfolio CBOX Stock Details CBOX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q3 		$2.5M Buy
+24,538
New +$2.5M ﹤0.01% 4774

Other funds holding CBOX

Calamos Advisors
Calamos Advisors Naperville, Illinois $33.5B AUM 25.57% 1-Year Est. Return
Chicago Partners Investment Group
Chicago Partners Investment Group Chicago, Illinois $5.45B AUM 19.52% 1-Year Est. Return
Calamos Wealth Management
Calamos Wealth Management Naperville, Illinois $3.51B AUM 25.95% 1-Year Est. Return
Astoria Portfolio Advisors
Astoria Portfolio Advisors New York $706M AUM 19.99% 1-Year Est. Return
Arax Advisory Partners
Arax Advisory Partners Denver, Colorado $17.7B AUM 20.22% 1-Year Est. Return
Wolff Wiese Magana
Wolff Wiese Magana Carslbad, California $218M AUM 37.48% 1-Year Est. Return
SignatureFD
SignatureFD Atlanta, Georgia $7.76B AUM 16.09% 1-Year Est. Return

Jane Street's CBOX Position: Q3 2026 in Review

Jane Street opened a new position in Calamos Tax-Aware Collateral ETF (CBOX) in Q3 2026: 24,538 shares worth $2.5M. The stake represents ﹤0.01% of the portfolio and ranks #4774 among its holdings.

8 funds tracked by Wall St. Rank hold CBOX as of Q3 2026.

  • Jane Street held 24,538 shares of Calamos Tax-Aware Collateral ETF worth $2.5M as of Q3 2026.
  • Calamos Tax-Aware Collateral ETF was a new Jane Street position in Q3 2026.
  • Calamos Tax-Aware Collateral ETF made up ﹤0.01% of Jane Street's portfolio in Q3 2026, its #4774 holding.
  • 8 funds tracked by Wall St. Rank held Calamos Tax-Aware Collateral ETF as of Q3 2026.

Based on Jane Street's 13F filing for Q3 2026, filed 12 Nov 2026.