Who Owns INVESTMENT MANAGERS SER TR I (OPEX)?Hedge Fund & Institutional Holders
$26.85+1.91 (+7.66%)BATS
Institutional Holders
4
as of Q4 2025
Total Institutional Value
$115.0B
% of Float Held
—
QoQ Change in Holders
+4 / -0
Price History
OPEX — Biggest New Institutional Buyers This Quarter
| Fund | Action | Shares Added | Value Added |
|---|---|---|---|
| Optiver Holding B.V. | New Position | +8K | +$115.0M |
| CITADEL ADVISORS LLC | New Position | +36K | +$0 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | New Position | +13K | +$0 |
| SIMPLEX TRADING, LLC | New Position | +97 | +$0 |
Top Institutional Holders(Q4 2025)
| # | Fund | Shares | Value | % of Portfolio | Type |
|---|---|---|---|---|---|
| 1 | Optiver Holding B.V. | 8,177 | $115.0M | 0.04% | Share |
| 2 | CITADEL ADVISORS LLC | 35,681 | $0 | 0.00% | Share |
| 3 | SIMPLEX TRADING, LLC | 97 | $0 | 0.00% | Share |
| 4 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 12,999 | $0 | 0.00% | Share |
As of Q4 2025, 4 institutional investors hold OPEX (INVESTMENT MANAGERS SER TR I). The largest holder is Optiver Holding B.V. with $115.0M in shares. This quarter, 4 institutions opened new positions and 0 closed their positions.
Frequently Asked Questions
How many hedge funds own OPEX?
As of Q4 2025, 4 institutional investors report holding OPEX (INVESTMENT MANAGERS SER TR I) in their 13F filings.
Who is the largest institutional holder of OPEX?
The largest institutional holder of OPEX is Optiver Holding B.V. with $115.0M in shares.
Is institutional ownership of OPEX increasing or decreasing?
This quarter, 4 institutions opened new positions in OPEX and 0 closed their positions.