Who owns MSFX?
T-Rex 2X Long Microsoft Daily Target ETF · T-REX
6 institutions reported holding MSFX, worth $1.2M, in Form 13F filings for June 30, 2026.
Top 6 institutional holders of MSFX
| Firm | Location | Value | Shares | Change |
|---|---|---|---|---|
| Optiver Holding B.V. | Amsterdam, Netherlands | $572K | 39,026 | +32,378 shares |
| Citadel Advisors LLC | Miami, FL | $366K | 24,977 | −12,569 shares |
| IMC-Chicago, LLC | Chicago, IL | $280K | 19,089 | New position |
| Group One Trading LLC | Chicago, IL | $9K | 600 | New position |
| Simplex Trading, LLC | Chicago, IL | $4K | 295 | −419 shares |
| Creative Financial Designs Inc. | Kokomo, IN | $4K | 263 | No change |
From SEC Form 13F, for managers with $100M+ in US securities. Change compares June 30, 2026 with March 31, 2026. “New position” means no holding in the prior filing we have.
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Frequently asked questions
Who owns MSFX?
6 institutional managers reported holding MSFX in Form 13F filings for June 30, 2026, worth $1.2M in total. The largest reported position was held by Optiver Holding B.V., at $572K.
Did institutions buy or sell MSFX last quarter?
Reported 13F value rose 79.5% from March 31, 2026, which includes price moves as well as buying and selling. 2 firms reported a new position and 0 sold all of theirs.
What is a Form 13F?
A quarterly report filed with the SEC by institutional investment managers with $100 million or more in qualifying US securities. It lists their long positions at quarter end. It doesn't cover retail investors, cash, short positions, or managers under the threshold, so it shows part of a fund's ownership, not all of it.
How often is MSFX ownership data updated?
13F filings are due 45 days after each quarter ends. The next set is due around mid-November. Positions can be up to about four and a half months old by the time a new set arrives.