Who Owns TIDAL TRUST II (RIOX)?Hedge Fund & Institutional Holders
$7.15+0.39 (+5.71%)NYSE_ARCA
Institutional Holders
13
as of Q4 2025
Total Institutional Value
$1.387000168000124e+30T
% of Float Held
—
QoQ Change in Holders
+4 / -2
Price History
RIOX — Biggest New Institutional Buyers This Quarter
| Fund | Action | Shares Added | Value Added |
|---|---|---|---|
| SIH Partners, LLLP | New Position | +197K | +$1.4B |
| UBS Group AG | New Position | +26K | +$179.0M |
| Optiver Holding B.V. | Increased | +14K | +$2.7M |
| Tower Research Capital LLC (TRC) | New Position | +86 | +$0 |
| HUB Investment Partners, LLC | New Position | +57K | +$0 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Increased | +4K | +$-1.7B |
RIOX — Institutions Reducing or Closing Positions
| Fund | Action | Shares Sold | Value Sold |
|---|---|---|---|
| Bison Wealth, LLC | Closed Position | -102K | -$3.6B |
| JANE STREET GROUP, LLC | Closed Position | -19K | -$621.2M |
| GROUP ONE TRADING LLC | Decreased | -12K | -$568.9M |
| SIMPLEX TRADING, LLC | Decreased | -9K | -$0 |
Top Institutional Holders(Q4 2025)
| # | Fund | Shares | Value | % of Portfolio | Type |
|---|---|---|---|---|---|
| 1 | SIH Partners, LLLP | 196,833 | $1.4B | 26.29% | Share |
| 2 | UBS Group AG | 23,961 | $168.0M | 0.03% | Share |
| 3 | Optiver Holding B.V. | 17,677 | $124.0M | 0.05% | Share |
| 4 | GROUP ONE TRADING LLC | 5,787 | $40.0M | 0.07% | Share |
| 5 | UBS Group AG | 1,601 | $11.0M | 0.00% | Share |
| 6 | JANE STREET GROUP, LLC | 262,300 | $1.0M | 0.00% | Put |
| 7 | SIMPLEX TRADING, LLC | 31 | $0 | 0.00% | Share |
| 8 | JANE STREET GROUP, LLC | 15,300 | $0 | 0.00% | Call |
| 9 | HUB Investment Partners, LLC | 57,300 | $0 | 0.00% | Share |
| 10 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 55,625 | $0 | 0.00% | Share |
| 11 | CITADEL ADVISORS LLC | 23,300 | $0 | 0.00% | Call |
| 12 | Tower Research Capital LLC (TRC) | 86 | $0 | 0.00% | Share |
| 13 | CITADEL ADVISORS LLC | 11,700 | $0 | 0.00% | Put |
RIOX Institutional Ownership History
| Quarter | Holders | Total Value | Change |
|---|---|---|---|
| Q4 2025 | 8 | $1.7B | +2 |
| Q3 2025 | 6 | $6.7B | -2 |
| Q2 2025 | 8 | $2.8B | +1 |
| Q1 2025 | 7 | $1.0B | +6 |
| Q4 2024 | 1 | $0 | — |
As of Q4 2025, 13 institutional investors hold RIOX (TIDAL TRUST II). The largest holder is SIH Partners, LLLP with $1.4B in shares. This quarter, 4 institutions opened new positions and 2 closed their positions.
Frequently Asked Questions
How many hedge funds own RIOX?
As of Q4 2025, 13 institutional investors report holding RIOX (TIDAL TRUST II) in their 13F filings.
Who is the largest institutional holder of RIOX?
The largest institutional holder of RIOX is SIH Partners, LLLP with $1.4B in shares.
Is institutional ownership of RIOX increasing or decreasing?
This quarter, 4 institutions opened new positions in RIOX and 2 closed their positions.