ARK Space & Defense Innovation ETF
ARKX
84 hedge funds and large institutions have $22.6M invested in ARK Space & Defense Innovation ETF in 2025 Q2 according to their latest regulatory filings, with 23 funds opening new positions, 21 increasing their positions, 13 reducing their positions, and 12 closing their positions.
92% more first-time investments, than exits
New positions opened: 23 | Existing positions closed: 12
62% more repeat investments, than reductions
Existing positions increased: 21 | Existing positions reduced: 13
25% more capital invested
Capital invested by funds: $18M → $22.6M (+$4.56M)
14% more funds holding
Funds holding: 74 → 84 (+10)
0.32% less ownership
Funds ownership: 7% → 6.68% (-0.32%)
46% less call options, than puts
Call options by funds: $109M | Put options by funds: $202M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
LPL Financial
San Diego,
California
|
+$421K |
| 2 |
Walleye Capital
New York
|
+$415K |
| 3 |
WWM
WJ Wealth Management
Glendale,
Arizona
|
+$366K |
| 4 |
Raymond James Financial
St Petersburg,
Florida
|
+$353K |
| 5 |
MML Investors Services
Springfield,
Massachusetts
|
+$334K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
FTUS
Flow Traders U.S.
New York
|
-$4.13M |
| 2 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$578K |
| 3 |
Citadel Advisors
Miami,
Florida
|
-$225K |
| 4 |
Jane Street
New York
|
-$207K |
| 5 |
NS
NBC Securities
Birmingham,
Alabama
|
-$98.9K |
ARKX Hedge Fund Activity: Q2 2025 in Review
84 of the 7,614 institutional investors tracked by Wall St. Rank reported a position in ARK Space & Defense Innovation ETF (ARKX) for Q2 2025, worth a combined $22.6M — up 25% from $18M a quarter earlier.
Buyers outnumbered sellers: 23 funds opened new ARKX positions and 12 closed out — a net gain of 11 holders — while 21 added to existing stakes and 13 trimmed.
The largest buyer was LPL Financial, adding an estimated $421K. The largest seller was Flow Traders U.S., exiting entirely with an estimated $4.13M sold.
- 84 institutional investors held ARK Space & Defense Innovation ETF (ARKX) as of Q2 2025, up from 74 in Q1 2025.
- Funds reported $22.6M of ARK Space & Defense Innovation ETF stock for Q2 2025, up 25% quarter-over-quarter.
- 23 funds opened new ARK Space & Defense Innovation ETF positions in Q2 2025 and 12 closed out, a net change of +11 holders.
- The largest ARK Space & Defense Innovation ETF buyer in Q2 2025 was LPL Financial, an estimated $421K added.
- The largest ARK Space & Defense Innovation ETF seller in Q2 2025 was Flow Traders U.S., an estimated $4.13M sold.
Based on aggregated 13F filings for Q2 2025.