ARKF · ARK Blockchain & Fintech Innovation ETF ETF
$47.10
-0.53 (-1.11%)
At close · Sep 4
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 3
Total Value: $11,866,962
Total Shares: 300,734
Institutional Ownership Trend
17 quarters
Holder Concentration
Across 3 13F filers · Δ vs Dec 31, 2025Top Holder
95.1%
−4.9 pts
Top 5
100.0%
0.0 pts
Top 10
100.0%
0.0 pts
HHI
9,058
Highly concentrated−942
Quarterly Activity
vs Dec 31, 2025
New
2
Increased
0
Decreased
1
Sold Out
0
Unchanged
0
Holder count:
+2
Institutional value:
+3433.0%
Shares held:
+4164.5%
Top Buyers
vs Dec 31, 2025No qualifying movers this quarter.
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Small CARLSON FINANCIAL, INC. | −203 | 6,849 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Mega CITADEL ADVISORS LLC | 286,022 | $11,286,428 | |
| Large Corient Private Wealth LLC | 7,863 | $310,273 |
Top Sold-Out Positions
vs Dec 31, 2025No fully closed positions this quarter.
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Mega CITADEL ADVISORS LLC ARKF | $8,918,828 | 75.16% | 226,022 | Shares | 2026-09-02 | |
| Mega CITADEL ADVISORS LLC ARKF | $2,119,002 | 17.86% | 53,700 | Call | 2026-09-02 | |
| Large Corient Private Wealth LLC ARKF | $310,273 | 2.61% | 7,863 | Shares | 2026-08-27 | |
| Small CARLSON FINANCIAL, INC. ARKF | $270,261 | 2.28% | 6,849 | Shares | 2026-08-24 | |
| Mega CITADEL ADVISORS LLC ARKF | $248,598 | 2.09% | 6,300 | Put | 2026-09-02 |