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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.

New
Increased
Maintained
Reduced
Closed

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

Holders
84
Holders Change
+10
Holders Change %
+13.51%
% of All Funds
1.11%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
23
Increased
21
Reduced
13
Closed
12
Calls
$109M
Puts
$202M
Net Calls
-$93.7M
Net Calls Change
-$93.3M

Top Buyers

Rank Fund Capital Flow
1
LPL Financial
LPL Financial
California
+$421K
2
Walleye Capital
Walleye Capital
New York
+$415K
3
WWM
WJ Wealth Management
Arizona
+$366K
4
Raymond James Financial
Raymond James Financial
Florida
+$353K
5
MML Investors Services
MML Investors Services
Massachusetts
+$334K

Top Sellers

Rank Fund Capital Flow
1
FTUS
Flow Traders U.S.
New York
-$4.13M
2
Susquehanna International Group
Susquehanna International Group
Pennsylvania
-$578K
3
Citadel Advisors
Citadel Advisors
Florida
-$225K
4
Jane Street
Jane Street
New York
-$207K
5
NS
NBC Securities
Alabama
-$98.9K
Name Holding Trade Value Shares
Change 		Change in
Stake
CAWM
51
Capital A Wealth Management
Pennsylvania
$15.4K -$45.9K -2,299 -70%
HIA
52
Harbor Investment Advisory
Maryland
$12.1K – – –
SWIM
53
Smallwood Wealth Investment Management
New Jersey
$12.1K – – –
CIBC Private Wealth Group
54
CIBC Private Wealth Group
Georgia
$12K – – –
PWAM
55
Private Wealth Asset Management
Iowa
$11.6K – – –
PP
56
PrairieView Partners
Minnesota
$11K +$9.56K +479 New
CAM
57
Costello Asset Management
Pennsylvania
$10.9K +$8.98K +450 New
National Bank of Canada
58
National Bank of Canada
Quebec, Canada
$10.6K +$8.78K +440 New
Bank of Montreal
59
Bank of Montreal
Ontario, Canada
$10.3K -$20.5K -1,029 -71%
TRCT
60
Tower Research Capital (TRC)
New York
$10K +$8.28K +415 New
SS
61
Sunbelt Securities
Texas
$9.27K -$3.99K -200 -30%
DFA
62
DHJJ Financial Advisors
Illinois
$9.18K – – –
FFA
63
Farther Finance Advisors
California
$8.14K – – –
Fifth Third Bancorp
64
Fifth Third Bancorp
Ohio
$7.34K +$2K +100 +49%
CAL
65
Capital Advisors Ltd
Ohio
$7K +$5.99K +300 New
S
66
SignatureFD
Georgia
$6.28K +$599 +30 +13%
PAI
67
Pittenger & Anderson Inc
Nebraska
$5.27K – – –
AWM
68
AllSquare Wealth Management
New York
$4.42K – – –
IBOK
69
Independence Bank of Kentucky
Kentucky
$2.42K – – –
AF
70
Advisornet Financial
Minnesota
$2.42K +$2K +100 New
SHIM
71
Stone House Investment Management
Pennsylvania
$2.42K +$2K +100 New
AIC
72
Archer Investment Corporation
Indiana
$1.79K – – –
AWM
73
Activest Wealth Management
Florida
$1.55K – – –
IA
74
IFP Advisors
Florida
$1.45K – – –
AFG
75
Albion Financial Group
Utah
$1.35K – – –
1 2
3
4

ARKX Hedge Fund Activity: Q2 2025 in Review

84 of the 7,596 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.