ARK Space & Defense Innovation ETF
ARKX
74 hedge funds and large institutions have $18M invested in ARK Space & Defense Innovation ETF in 2025 Q1 according to their latest regulatory filings, with 13 funds opening new positions, 18 increasing their positions, 13 reducing their positions, and 9 closing their positions.
44% more first-time investments, than exits
New positions opened: 13 | Existing positions closed: 9
38% more repeat investments, than reductions
Existing positions increased: 18 | Existing positions reduced: 13
3% more funds holding
Funds holding: 72 → 74 (+2)
0.7% more ownership
Funds ownership: 6.3% → 7% (+0.7%)
0% less capital invested
Capital invested by funds: $18.1M → $18M (-$66.2K)
1% less call options, than puts
Call options by funds: $57.3M | Put options by funds: $57.6M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
FTUS
Flow Traders U.S.
New York
|
+$1.89M |
| 2 |
Citadel Advisors
Miami,
Florida
|
+$738K |
| 3 |
SCM
SCS Capital Management
Boston,
Massachusetts
|
+$329K |
| 4 |
UBS Group
Zurich,
Switzerland
|
+$309K |
| 5 |
LPL Financial
San Diego,
California
|
+$266K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Barclays
London,
United Kingdom
|
-$1.05M |
| 2 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$722K |
| 3 |
PGFC
Peapack-Gladstone Financial Corp
Bedminster,
New Jersey
|
-$273K |
| 4 |
PAG
Private Advisor Group
Morristown,
New Jersey
|
-$200K |
| 5 |
Jane Street
New York
|
-$127K |
ARKX Hedge Fund Activity: Q1 2025 in Review
74 of the 7,459 institutional investors tracked by Wall St. Rank reported a position in ARK Space & Defense Innovation ETF (ARKX) for Q1 2025, worth a combined $18M — down 0.37% from $18.1M a quarter earlier.
Buyers outnumbered sellers: 13 funds opened new ARKX positions and 9 closed out — a net gain of 4 holders — while 18 added to existing stakes and 13 trimmed.
The largest buyer was Flow Traders U.S., adding an estimated $1.89M. The largest seller was Barclays, exiting entirely with an estimated $1.05M sold.
- 74 institutional investors held ARK Space & Defense Innovation ETF (ARKX) as of Q1 2025, up from 72 in Q4 2024.
- Funds reported $18M of ARK Space & Defense Innovation ETF stock for Q1 2025, down 0.37% quarter-over-quarter.
- 13 funds opened new ARK Space & Defense Innovation ETF positions in Q1 2025 and 9 closed out, a net change of +4 holders.
- The largest ARK Space & Defense Innovation ETF buyer in Q1 2025 was Flow Traders U.S., an estimated $1.89M added.
- The largest ARK Space & Defense Innovation ETF seller in Q1 2025 was Barclays, an estimated $1.05M sold.
Based on aggregated 13F filings for Q1 2025.