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ARK Space & Defense Innovation ETF
ARKX

96 hedge funds and large institutions have $36.1M invested in ARK Space & Defense Innovation ETF in 2025 Q3 according to their latest regulatory filings, with 24 funds opening new positions, 27 increasing their positions, 12 reducing their positions, and 10 closing their positions.

New
Increased
Maintained
Reduced
Closed

140% more first-time investments, than exits

New positions opened: 24 | Existing positions closed: 10

125% more repeat investments, than reductions

Existing positions increased: 27 | Existing positions reduced: 12

60% more capital invested

Capital invested by funds: $22.6M → $36.1M (+$13.6M)

14% more funds holding

Funds holding: 84 → 96 (+12)

1.47% more ownership

Funds ownership: 6.68% → 8.15% (+1.5%)

56% less call options, than puts

Call options by funds: $123M | Put options by funds: $278M

Holders
96
Holders Change
+12
Holders Change %
+14.29%
% of All Funds
1.26%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
24
Increased
27
Reduced
12
Closed
10
Calls
$123M
Puts
$278M
Net Calls
-$155M
Net Calls Change
-$61.8M

Top Buyers

Rank Fund Capital Flow
1
LPL Financial
LPL Financial
California
+$2.19M
2
Citadel Advisors
Citadel Advisors
Florida
+$1.96M
3
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$1.55M
4
Morgan Stanley
Morgan Stanley
New York
+$1.18M
5
MIM
Marshall Investment Management
Colorado
+$885K

Top Sellers

Rank Fund Capital Flow
1
UBS Group
UBS Group
Switzerland
-$1.43M
2
CIC
Canal Insurance Company
South Carolina
-$1.05M
3
MML Investors Services
MML Investors Services
Massachusetts
-$405K
4
PAM
PVG Asset Management
Colorado
-$325K
5
BCM
Barometer Capital Management
Ontario, Canada
-$292K
Name Holding Trade Value Shares
Change 		Change in
Stake
AF
76
Advisornet Financial
Minnesota
$2.85K – – –
IBOK
77
Independence Bank of Kentucky
Kentucky
$2.85K – – –
SHIM
78
Stone House Investment Management
Pennsylvania
$2.85K – – –
CIAS
79
Capital Investment Advisory Services
North Carolina
$2.14K +$1.97K +75 New
AIC
80
Archer Investment Corporation
Indiana
$2.11K – – –
AWM
81
Activest Wealth Management
Florida
$1.83K – – –
IA
82
IFP Advisors
Florida
$1.71K – – –
AFG
83
Albion Financial Group
Utah
$1.6K – – –
WANY
84
Wealthspire Advisors (New York)
New York
$1.57K +$1.44K +55 New
BBPWM
85
Blue Bell Private Wealth Management
Pennsylvania
$1.46K – – –
FC
86
Fairscale Capital
New Hampshire
$1.43K – – –
Bessemer Group
87
Bessemer Group
New Jersey
$1K – – –
HCM
88
Horrell Capital Management
Arkansas
$1K +$787 +30 New
WAG
89
Windsor Advisory Group
Ohio
$685 +$630 +24 New
CWM
90
Copia Wealth Management
Oregon
$571 – – –
SC
91
SouthState Corp
Florida
$457 +$420 +16 New
NWMP
92
Noble Wealth Management PBC
Colorado
$343 +$315 +12 New
NECFA
93
New England Capital Financial Advisors
Connecticut
$286 – – –
RFP
94
Root Financial Partners
California
$257 +$236 +9 New
TRCT
95
Tower Research Capital (TRC)
New York
$143 -$10.8K -410 -99%
AssetMark Inc
96
AssetMark Inc
California
$143 – – –
MML Investors Services
97
MML Investors Services
Massachusetts
– -$405K -16,750 Closed
PAM
98
PVG Asset Management
Colorado
– -$325K -13,452 Closed
BCM
99
Barometer Capital Management
Ontario, Canada
– -$292K -12,100 Closed
Simplex Trading
100
Simplex Trading
Illinois
– -$264K -10,078 Closed
1 2 3
4
5

ARKX Hedge Fund Activity: Q3 2025 in Review

96 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in ARK Space & Defense Innovation ETF (ARKX) for Q3 2025, worth a combined $36.1M — up 60% from $22.6M a quarter earlier.

Buyers outnumbered sellers: 24 funds opened new ARKX positions and 10 closed out — a net gain of 14 holders — while 27 added to existing stakes and 12 trimmed.

The largest buyer was LPL Financial, adding an estimated $2.19M. The largest seller was UBS Group, cutting an estimated $1.43M.

  • 96 institutional investors held ARK Space & Defense Innovation ETF (ARKX) as of Q3 2025, up from 84 in Q2 2025.
  • Funds reported $36.1M of ARK Space & Defense Innovation ETF stock for Q3 2025, up 60% quarter-over-quarter.
  • 24 funds opened new ARK Space & Defense Innovation ETF positions in Q3 2025 and 10 closed out, a net change of +14 holders.
  • The largest ARK Space & Defense Innovation ETF buyer in Q3 2025 was LPL Financial, an estimated $2.19M added.
  • The largest ARK Space & Defense Innovation ETF seller in Q3 2025 was UBS Group, an estimated $1.43M sold.

Based on aggregated 13F filings for Q3 2025.