Jane Street
MARS

Jane Street’s Roundhill Space & Technology ETF MARS Stock Holding History

Jane Street’s Portfolio MARS Stock Details MARS Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$899K Buy
+35,146
New +$894K ﹤0.01% 6744

Other funds holding MARS

GS
GTS Securities New York $2.83B AUM 21.76% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
BWL
Bogart Wealth LLC Mclean, Virginia $2.92B AUM 23.85% 1-Year Est. Return

Jane Street's MARS Position: Q1 2026 in Review

Jane Street opened a new position in Roundhill Space & Technology ETF (MARS) in Q1 2026: 35,146 shares worth $899K. The stake represents ﹤0.01% of the portfolio and ranks #6744 among its holdings.

4 funds tracked by Wall St. Rank hold MARS as of Q1 2026.

  • Jane Street held 35,146 shares of Roundhill Space & Technology ETF worth $899K as of Q1 2026.
  • Roundhill Space & Technology ETF was a new Jane Street position in Q1 2026.
  • Roundhill Space & Technology ETF made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #6744 holding.
  • 4 funds tracked by Wall St. Rank held Roundhill Space & Technology ETF as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.