ARK Space & Defense Innovation ETF
ARKX
171 hedge funds and large institutions have $156M invested in ARK Space & Defense Innovation ETF in 2026 Q2 according to their latest regulatory filings, with 60 funds opening new positions, 54 increasing their positions, 15 reducing their positions, and 15 closing their positions.
300% more first-time investments, than exits
New positions opened: 60 | Existing positions closed: 15
260% more repeat investments, than reductions
Existing positions increased: 54 | Existing positions reduced: 15
68% more capital invested
Capital invested by funds: $93.1M → $156M (+$62.9M)
33% more funds holding
Funds holding: 129 → 171 (+42)
2.54% more ownership
Funds ownership: 13.67% → 16.21% (+2.5%)
25% less call options, than puts
Call options by funds: $78.8M | Put options by funds: $105M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
JG
Jain Global
New York
|
+$14.3M |
| 2 |
LPL Financial
San Diego,
California
|
+$12.1M |
| 3 |
UBS Group
Zurich,
Switzerland
|
+$4.27M |
| 4 |
GS
GTS Securities
Miami,
Florida
|
+$3.34M |
| 5 |
SP
Sequent Planning
Omaha,
Nebraska
|
+$3.28M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
-$8.84M |
| 2 |
FTUS
Flow Traders U.S.
New York
|
-$8.76M |
| 3 |
QC
Quadrature Capital
London,
United Kingdom
|
-$3.15M |
| 4 |
BWM
Braeburn Wealth Management
Muskegon,
Michigan
|
-$1.68M |
| 5 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$780K |
ARKX Hedge Fund Activity: Q2 2026 in Review
171 of the 8,317 institutional investors tracked by Wall St. Rank reported a position in ARK Space & Defense Innovation ETF (ARKX) for Q2 2026, worth a combined $156M — up 68% from $93.1M a quarter earlier.
Buyers outnumbered sellers: 60 funds opened new ARKX positions and 15 closed out — a net gain of 45 holders — while 54 added to existing stakes and 15 trimmed.
The largest buyer was Jain Global, opening a new position worth an estimated $14.3M. The largest seller was Citadel Advisors, exiting entirely with an estimated $8.84M sold.
- 171 institutional investors held ARK Space & Defense Innovation ETF (ARKX) as of Q2 2026, up from 129 in Q1 2026.
- Funds reported $156M of ARK Space & Defense Innovation ETF stock for Q2 2026, up 68% quarter-over-quarter.
- 60 funds opened new ARK Space & Defense Innovation ETF positions in Q2 2026 and 15 closed out, a net change of +45 holders.
- The largest ARK Space & Defense Innovation ETF buyer in Q2 2026 was Jain Global, an estimated $14.3M added.
- The largest ARK Space & Defense Innovation ETF seller in Q2 2026 was Citadel Advisors, an estimated $8.84M sold.
Based on aggregated 13F filings for Q2 2026.