ARK Blockchain & Fintech Innovation ETF
ARKF
221 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, 45 increasing their positions, 61 reducing their positions, and 30 closing their positions.
184% more capital inflows, than outflows
Capital inflows: $75.9M | Capital outflows: $26.7M
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
6% more funds holding
Funds holding: 209 → 221 (+12)
1.49% more ownership
Funds ownership: 20.68% → 22.17% (+1.5%)
0% more funds holding in top 10
Funds holding in top 10: 2 → 2 (0)
26% less repeat investments, than reductions
Existing positions increased: 45 | Existing positions reduced: 61
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Two Sigma Investments
New York
|
+$17M |
| 2 |
Old Mission Capital
Chicago,
Illinois
|
+$8.3M |
| 3 |
Quadrature Capital
London,
United Kingdom
|
+$7.12M |
| 4 |
Morgan Stanley
New York
|
+$6.89M |
| 5 |
Wells Fargo
San Francisco,
California
|
+$2.75M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Parallax Volatility Advisers
San Francisco,
California
|
-$6.57M |
| 2 |
Marshall Wace
London,
United Kingdom
|
-$2.69M |
| 3 |
Group One Trading
Chicago,
Illinois
|
-$2.11M |
| 4 |
Synergy Asset Management
Vancouver,
Washington
|
-$1.63M |
| 5 |
Clearwater Capital Advisors
Hoffman Estates,
Illinois
|
-$1.36M |
ARKF Hedge Fund Activity: Q3 2025 in Review
221 of the 7,661 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 45 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.
- 221 institutional investors held ARK Blockchain & Fintech Innovation ETF (ARKF) as of Q3 2025, up from 209 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.