Who Owns INVESTMENT MANAGERS SER TR I (IREX)?Hedge Fund & Institutional Holders
$26.63-0.18 (-0.67%)BATS
Institutional Holders
10
as of Q4 2025
Total Institutional Value
$194120.3T
% of Float Held
—
QoQ Change in Holders
+5 / -0
Price History
IREX — Biggest New Institutional Buyers This Quarter
| Fund | Action | Shares Added | Value Added |
|---|---|---|---|
| Optiver Holding B.V. | New Position | +19K | +$194K |
| GROUP ONE TRADING LLC | New Position | +12K | +$120K |
| UBS Group AG | New Position | +3K | +$30K |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | New Position | +62K | +$0 |
| Tower Research Capital LLC (TRC) | New Position | +222 | +$0 |
Top Institutional Holders(Q4 2025)
| # | Fund | Shares | Value | % of Portfolio | Type |
|---|---|---|---|---|---|
| 1 | Optiver Holding B.V. | 19,256 | $194K | 0.00% | Share |
| 2 | GROUP ONE TRADING LLC | 11,894 | $120K | 0.00% | Share |
| 3 | UBS Group AG | 3,022 | $30K | 0.00% | Share |
| 4 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 38,438 | $0 | 0.00% | Share |
| 5 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 23,142 | $0 | 0.00% | Share |
| 6 | Tower Research Capital LLC (TRC) | 222 | $0 | 0.00% | Share |
| 7 | Belvedere Trading LLC | 19,800 | $0 | 0.00% | Call |
| 8 | Belvedere Trading LLC | 9,000 | $0 | 0.00% | Put |
| 9 | CITADEL ADVISORS LLC | 56,800 | $0 | 0.00% | Put |
| 10 | CITADEL ADVISORS LLC | 55,700 | $0 | 0.00% | Call |
As of Q4 2025, 10 institutional investors hold IREX (INVESTMENT MANAGERS SER TR I). The largest holder is Optiver Holding B.V. with $194K in shares. This quarter, 5 institutions opened new positions and 0 closed their positions.
Frequently Asked Questions
How many hedge funds own IREX?
As of Q4 2025, 10 institutional investors report holding IREX (INVESTMENT MANAGERS SER TR I) in their 13F filings.
Who is the largest institutional holder of IREX?
The largest institutional holder of IREX is Optiver Holding B.V. with $194K in shares.
Is institutional ownership of IREX increasing or decreasing?
This quarter, 5 institutions opened new positions in IREX and 0 closed their positions.