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ARK Space & Defense Innovation ETF
ARKX

116 hedge funds and large institutions have $46.3M invested in ARK Space & Defense Innovation ETF in 2025 Q4 according to their latest regulatory filings, with 30 funds opening new positions, 21 increasing their positions, 19 reducing their positions, and 9 closing their positions.

New
Increased
Maintained
Reduced
Closed

233% more first-time investments, than exits

New positions opened: 30 | Existing positions closed: 9

28% more capital invested

Capital invested by funds: $36.1M → $46.3M (+$10.2M)

21% more funds holding

Funds holding: 96 → 116 (+20)

11% more repeat investments, than reductions

Existing positions increased: 21 | Existing positions reduced: 19

1.13% more ownership

Funds ownership: 8.15% → 9.28% (+1.1%)

8% less call options, than puts

Call options by funds: $77.7M | Put options by funds: $84.2M

Holders
116
Holders Change
+20
Holders Change %
+20.83%
% of All Funds
1.41%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
30
Increased
21
Reduced
19
Closed
9
Calls
$77.7M
Puts
$84.2M
Net Calls
-$6.54M
Net Calls Change
+$149M

Top Buyers

Rank Fund Capital Flow
1
LPL Financial
LPL Financial
California
+$5.18M
2
QC
Quadrature Capital
United Kingdom
+$2.63M
3
EAM
Eschler Asset Management
United Kingdom
+$1.33M
4
UBS Group
UBS Group
Switzerland
+$1.03M
5
GS
GTS Securities
New York
+$860K

Top Sellers

Rank Fund Capital Flow
1
D.E. Shaw & Co
D.E. Shaw & Co
New York
-$1.69M
2
Morgan Stanley
Morgan Stanley
New York
-$1.22M
3
Bank of America
Bank of America
North Carolina
-$654K
4
MLCM
M & L Capital Management
United Kingdom
-$494K
5
Walleye Capital
Walleye Capital
New York
-$493K
Name Holding Trade Value Shares
Change 		Change in
Stake
DAS
26
Diversify Advisory Services
Utah
$441K +$366K +12,547 New
Cetera Investment Advisers
27
Cetera Investment Advisers
Illinois
$428K -$19.7K -673 -4%
OC
28
Oppenheimer & Co
New York
$426K +$35.7K +1,222 +9%
PAG
29
Private Advisor Group
New Jersey
$387K +$2.77K +95 +0.7%
GAM
30
Grandview Asset Management
Pennsylvania
$309K +$311K +10,653 New
MLCM
31
M & L Capital Management
United Kingdom
$296K -$494K -16,900 -62%
GI
32
Gradient Investments
Minnesota
$295K – – –
WWA
33
WCG Wealth Advisors
Nevada
$292K -$9.26K -317 -3%
Janney Montgomery Scott
34
Janney Montgomery Scott
Pennsylvania
$288K +$13.6K +465 +5%
WIA
35
World Investment Advisors
California
$266K +$8.85K +303 +3%
BLC
36
Brown, Lisle/Cummings
Rhode Island
$258K – – –
FTS
37
Fifth Third Securities
Ohio
$256K +$259K +8,850 New
Morgan Stanley
38
Morgan Stanley
New York
$241K -$1.22M -41,778 -83%
SI
39
Stirlingshire Investments
New York
$230K +$232K +7,949 New
SA
40
Sanctuary Advisors
Indiana
$222K +$224K +7,666 New
Stifel Financial
41
Stifel Financial
Missouri
$207K +$209K +7,157 New
WAG
42
Wiser Advisor Group
Arizona
$196K +$197K +6,759 New
TWC
43
TD Waterhouse Canada
Ontario, Canada
$141K +$142K +4,877 New
KAS
44
Kestra Advisory Services
Texas
$140K +$141K +4,832 New
NA
45
NewEdge Advisors
Louisiana
$131K -$1.96K -67 -1%
SPIA
46
Steward Partners Investment Advisory
New York
$106K +$81.6K +2,795 +321%
FMP
47
Financial Management Professionals
Texas
$72.5K – – –
QC
48
Quent Capital
New York
$71.7K – – –
GRP
49
Global Retirement Partners
California
$62.2K – – –
Northwestern Mutual Wealth Management
50
Northwestern Mutual Wealth Management
Wisconsin
$50.3K -$6.19K -212 -11%
1
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3 4 5

ARKX Hedge Fund Activity: Q4 2025 in Review

116 of the 8,223 institutional investors tracked by Wall St. Rank reported a position in ARK Space & Defense Innovation ETF (ARKX) for Q4 2025, worth a combined $46.3M — up 28% from $36.1M a quarter earlier.

Buyers outnumbered sellers: 30 funds opened new ARKX positions and 9 closed out — a net gain of 21 holders — while 21 added to existing stakes and 19 trimmed.

The largest buyer was LPL Financial, adding an estimated $5.18M. The largest seller was D.E. Shaw & Co, exiting entirely with an estimated $1.69M sold.

  • 116 institutional investors held ARK Space & Defense Innovation ETF (ARKX) as of Q4 2025, up from 96 in Q3 2025.
  • Funds reported $46.3M of ARK Space & Defense Innovation ETF stock for Q4 2025, up 28% quarter-over-quarter.
  • 30 funds opened new ARK Space & Defense Innovation ETF positions in Q4 2025 and 9 closed out, a net change of +21 holders.
  • The largest ARK Space & Defense Innovation ETF buyer in Q4 2025 was LPL Financial, an estimated $5.18M added.
  • The largest ARK Space & Defense Innovation ETF seller in Q4 2025 was D.E. Shaw & Co, an estimated $1.69M sold.

Based on aggregated 13F filings for Q4 2025.