Among active 13F managers last quarter, none opened or added and 1 reduced; the largest holder to move was Citadel Advisors LLC (−33%).
5 tracked 13F filers disclose a position in MSFX as of the latest SEC 13F filings, a combined $491K in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
| # | Fund | Shares | Position value | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Citadel Advisors LLC | 25K | $366K | ▼−33% Reduced · −13K sh | Q2 2026 | |
| 2 | Optiver Holding B.V. | 7K | $101K | ▲+173% Added · +4K sh | Q1 2026 | |
| 3 | Simplex Trading, LLC | 714 | $11K | ▲New +714 sh | Q1 2026 | |
| 4 | Group One Trading LLC | 600 | $9K | ▲New +600 sh | Q2 2026 | |
| 5 | Creative Financial Designs Inc | 263 | $4K | —Held | Q2 2026 |
Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
Last quarter, no active manager opened or added to a position in MSFX, while 1 reduced. Based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Their position there |
|---|---|---|
| Ishares Core S&P 500 ETFIVV | 2 funds | $13.2B |
| Amazon.com IncAMZN | 2 funds | $2.6B |
| Nvidia CorpNVDA | 2 funds | $2.4B |
| Apple IncAAPL | 2 funds | $2.1B |
| Microsoft CorpMSFT | 2 funds | $1.4B |
| Electronic Arts IncEA | 2 funds | $1.2B |
| Warner Bros Discovery IncWBD | 2 funds | $1.2B |
| Eli Lilly & CoLLY | 2 funds | $1.2B |
| Broadcom IncAVGO | 2 funds | $1.1B |
| Alphabet Inc-CL AGOOGL | 2 funds | $1.1B |
| BlackRock IncBLK | 2 funds | $1.1B |
| Advanced Micro DevicesAMD | 2 funds | $932.4M |
Ranked by how many of MSFX's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in MSFX.
| Class | 13F holders | Value held |
|---|---|---|
| ACVFmc | 56 funds | $39.7M |
| VSLUMF Closed and MF Open | 50 funds | $449.4M |
| FEPImc | 47 funds | $30.8M |
| MSTUT-REX 2X LONG MS | 38 funds | $14.2M |
| TSPYTAPPALPHA SPY GR | 29 funds | $40.5M |
| AIPIREX AI EQUITY PR | 23 funds | $6.3M |
| XRPRREX OSPREY XRP | 21 funds | $4.7M |
| DYFIIDX DYNAMIC FIXE | 18 funds | $58.5M |
Same issuer, multiple share classes. The consensus leaderboards count this company once across all classes; this is the per-class detail.
No filings captured for this ticker in the live stream yet.
Connected entities for MSFX
This ETF page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/MSFX/capital-change-brief"
Use Arkolith's capital_change_brief for MSFX. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + quarter-over-quarter ownership changes + end-of-day price history + the live filing stream, joined for MSFX. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.