Group One Trading
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Group One Trading’s Roundhill Space & Technology ETF MARS Stock Holding History

Group One Trading’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
Q3 		$37.6K Sell
1,495
-1,515
-50% -$39.5K ﹤0.01% 5451
2026
Q2 		$97.3K Buy
+3,010
New +$101K ﹤0.01% 4887

Other funds holding MARS

Jane Street
Jane Street New York $1.19T AUM 51.51% 1-Year Est. Return
MGO One Seven
MGO One Seven Beachwood, Ohio $6.08B AUM 21.44% 1-Year Est. Return
Commonwealth Equity Services
Commonwealth Equity Services Waltham, Massachusetts $77B AUM 19.24% 1-Year Est. Return
Simplex Trading
Simplex Trading Chicago, Illinois $184B AUM 51.71% 1-Year Est. Return
Osaic Holdings
Osaic Holdings Scottsdale, Arizona $83.6B AUM 19.78% 1-Year Est. Return
GK Wealth Management
GK Wealth Management Reno, Nevada $178M AUM 41.48% 1-Year Est. Return
Milestone Investment Advisors
Milestone Investment Advisors Middleton, Wisconsin $461M AUM 11.04% 1-Year Est. Return
Steward Partners Investment Advisory
Steward Partners Investment Advisory New York $21.5B AUM 22.23% 1-Year Est. Return
AE Wealth Management
AE Wealth Management Topeka, Kansas $23.2B AUM 20.52% 1-Year Est. Return
CNB Bank
CNB Bank Clearfield, Pennsylvania $259M AUM 22.08% 1-Year Est. Return

Group One Trading's MARS Position: Q3 2026 in Review

Group One Trading reduced its Roundhill Space & Technology ETF (MARS) stake by 50% in Q3 2026, selling an estimated $39.5K and leaving 1,495 shares worth $37.6K. The position accounts for ﹤0.01% of the portfolio, ranked #5451.

Group One Trading first reported a position in MARS in Q2 2026 and has held it in 2 quarters since. The position peaked at $97.3K in Q2 2026. 17 funds tracked by Wall St. Rank hold MARS as of Q3 2026.

  • Group One Trading held 1,495 shares of Roundhill Space & Technology ETF worth $37.6K as of Q3 2026.
  • Group One Trading sold 1,515 Roundhill Space & Technology ETF shares in Q3 2026, an estimated $39.5K.
  • Roundhill Space & Technology ETF made up ﹤0.01% of Group One Trading's portfolio in Q3 2026, its #5451 holding.
  • Group One Trading first reported a position in Roundhill Space & Technology ETF in Q2 2026 and has held it in 2 quarters since.
  • Group One Trading's Roundhill Space & Technology ETF position peaked at $97.3K in Q2 2026.
  • 17 funds tracked by Wall St. Rank held Roundhill Space & Technology ETF as of Q3 2026.

Based on Group One Trading's 13F filing for Q3 2026, filed 10 Nov 2026.