Roundhill Space & Technology ETF
MARS
4 hedge funds and large institutions have $3.32M invested in Roundhill Space & Technology ETF in 2026 Q1 according to their latest regulatory filings, with 4 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.
51.96% more ownership
Funds ownership: 0% → 51.96% (+52%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
GS
GTS Securities
New York
|
+$2.36M |
| 2 |
Jane Street
New York
|
+$894K |
| 3 |
UBS Group
Zurich,
Switzerland
|
+$42K |
| 4 |
BWL
Bogart Wealth LLC
Mclean,
Virginia
|
+$5.09K |
Top Sellers
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
GS
1
GTS Securities
New York
| $2.38M | +$2.36M | +92,901 | New |
|
|
2
Jane Street
New York
| $899K | +$894K | +35,146 | New |
|
|
3
UBS Group
Zurich,
Switzerland
| $42.2K | +$42K | +1,651 | New |
|
|
BWL
4
Bogart Wealth LLC
Mclean,
Virginia
| $5.12K | +$5.09K | +200 | New |
|
MARS Hedge Fund Activity: Q1 2026 in Review
4 of the 8,128 institutional investors tracked by Wall St. Rank reported a position in Roundhill Space & Technology ETF (MARS) for Q1 2026, worth a combined $3.32M.
Buyers outnumbered sellers: 4 funds opened new MARS positions and 0 closed out — a net gain of 4 holders — while 0 added to existing stakes and 0 trimmed.
The largest buyer was GTS Securities, opening a new position worth an estimated $2.36M.
- 4 institutional investors held Roundhill Space & Technology ETF (MARS) as of Q1 2026, up from 0 in Q4 2025.
- Funds reported $3.32M of Roundhill Space & Technology ETF stock for Q1 2026.
- 4 funds opened new Roundhill Space & Technology ETF positions in Q1 2026 and 0 closed out, a net change of +4 holders.
- The largest Roundhill Space & Technology ETF buyer in Q1 2026 was GTS Securities, an estimated $2.36M added.
Based on aggregated 13F filings for Q1 2026.