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ARK Blockchain & Fintech Innovation ETF
ARKF

216 hedge funds and large institutions have $331M invested in ARK Blockchain & Fintech Innovation ETF in 2025 Q3 according to their latest regulatory filings, with 45 funds opening new positions, 43 increasing their positions, 61 reducing their positions, and 30 closing their positions.

New
Increased
Maintained
Reduced
Closed

90% more call options, than puts

Call options by funds: $27.4M | Put options by funds: $14.4M

50% more first-time investments, than exits

New positions opened: 45 | Existing positions closed: 30

33% more capital invested

Capital invested by funds: $249M → $331M (+$81.4M)

6% more funds holding

Funds holding: 204 → 216 (+12)

1.49% more ownership

Funds ownership: 20.67% → 22.16% (+1.5%)

0% more funds holding in top 10

Funds holding in top 10: 2 → 2 (0)

30% less repeat investments, than reductions

Existing positions increased: 43 | Existing positions reduced: 61

Holders
216
Holders Change
+12
Holders Change %
+5.88%
% of All Funds
2.84%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
45
Increased
43
Reduced
61
Closed
30
Calls
$27.4M
Puts
$14.4M
Net Calls
+$13M
Net Calls Change
-$23.8M

Top Buyers

1
Two Sigma Investments
Two Sigma Investments
New York
+$17M
2
OMC
Old Mission Capital
Illinois
+$8.3M
3
QC
Quadrature Capital
United Kingdom
+$7.12M
4
Morgan Stanley
Morgan Stanley
New York
+$6.89M
5
Wells Fargo
Wells Fargo
California
+$2.75M

Top Sellers

1
Parallax Volatility Advisers
Parallax Volatility Advisers
California
-$6.57M
2
Marshall Wace
Marshall Wace
United Kingdom
-$2.69M
3
Group One Trading
Group One Trading
Illinois
-$2.11M
4
SAM
Synergy Asset Management
Washington
-$1.63M
5
CCA
Clearwater Capital Advisors
Illinois
-$1.36M
Name Holding Trade Value Shares
Change 		Change in
Stake
IAS
126
Insigneo Advisory Services
Florida
$216K -$77.3K -1,438 -27%
M
127
MATAURO
New York
$216K +$204K +3,799 New
MAM
128
Milestone Asset Management
Pennsylvania
$215K +$203K +3,781 New
SC
129
Scotia Capital
Ontario, Canada
$214K +$203K +3,771 New
LA
130
LM Advisors
California
$212K +$201K +3,732 New
PA
131
PFG Advisors
Arizona
$212K -$24K -446 -11%
HHGA
132
Halbert Hargrove Global Advisors
California
$209K – – –
IA
133
IFP Advisors
Florida
$209K -$18.1K -337 -8%
TI
134
Trexquant Investment
Connecticut
$205K +$194K +3,606 New
GKWIM
135
Gerber Kawasaki Wealth & Investment Management
California
$205K -$32.1K -597 -14%
FFA
136
Farther Finance Advisors
California
$167K +$7.26K +135 +5%
FDCDDQ
137
Federation des caisses Desjardins du Quebec
Quebec, Canada
$166K +$75.2K +1,400 +92%
Bank of Montreal
138
Bank of Montreal
Ontario, Canada
$161K -$29.6K -551 -16%
OFG
139
Oxford Financial Group
Indiana
$144K – – –
MM
140
Main Management
California
$114K -$11.8K -219 -10%
MWM
141
MGB Wealth Management
Texas
$114K +$107K +2,000 New
Citigroup
142
Citigroup
New York
$105K – – –
ASN
143
Advisory Services Network
Georgia
$96.5K +$91.3K +1,699 New
Jones Financial Companies
144
Jones Financial Companies
Missouri
$89.9K +$87.4K +1,626 New
CWM
145
Copia Wealth Management
Oregon
$84.7K -$4.08K -76 -5%
PS
146
Principal Securities
Iowa
$68.5K +$9.3K +173 +17%
BL
147
Bleichroeder LP
New York
$68.2K – – –
Comerica Bank
148
Comerica Bank
Texas
$68K – – –
Bank of America
149
Bank of America
North Carolina
$65.8K -$789K -14,686 -93%
DAM
150
Delta Asset Management
Tennessee
$56.8K – – –
4 5
6
7 8

ARKF Hedge Fund Activity: Q3 2025 in Review

216 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in ARK Blockchain & Fintech Innovation ETF (ARKF) for Q3 2025, worth a combined $331M — up 33% from $249M a quarter earlier.

Buyers outnumbered sellers: 45 funds opened new ARKF positions and 30 closed out — a net gain of 15 holders — while 43 added to existing stakes and 61 trimmed.

The largest buyer was Two Sigma Investments, opening a new position worth an estimated $17M. The largest seller was Parallax Volatility Advisers, exiting entirely with an estimated $6.57M sold.

  • 216 institutional investors held ARK Blockchain & Fintech Innovation ETF (ARKF) as of Q3 2025, up from 204 in Q2 2025.
  • Funds reported $331M of ARK Blockchain & Fintech Innovation ETF stock for Q3 2025, up 33% quarter-over-quarter.
  • 45 funds opened new ARK Blockchain & Fintech Innovation ETF positions in Q3 2025 and 30 closed out, a net change of +15 holders.
  • The largest ARK Blockchain & Fintech Innovation ETF buyer in Q3 2025 was Two Sigma Investments, an estimated $17M added.
  • The largest ARK Blockchain & Fintech Innovation ETF seller in Q3 2025 was Parallax Volatility Advisers, an estimated $6.57M sold.

Based on aggregated 13F filings for Q3 2025.