Among active 13F managers last quarter, 6 opened and 10 added, while 7 reduced; the largest holder to move was Renaissance Technologies LLC (+519%).
65 tracked 13F filers disclose a position in MSTY as of the latest SEC 13F filings, a combined $21.1M 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 | Goldman Sachs Group Inc | 250K | $5.3M | ▲New +250K sh | Q1 2026 | |
| 2 | UBS Group AG | 183K | $3.9M | ▼−25% Reduced · −60K sh | Q1 2026 | |
| 3 | Citadel Advisors LLC | 120K | $1.5M | ▲+152% Added · +72K sh | Q2 2026 | |
| 4 | Susquehanna International Group, LLP | 114K | $2.4M | ▼−63% Reduced · −192K sh | Q1 2026 | |
| 5 | Jane Street Group, LLC | 78K | $1.7M | ▼−17% Reduced · −16K sh | Q1 2026 | |
| 6 | Renaissance Technologies LLC | 77K | $1.6M | ▲+519% Added · +64K sh | Q1 2026 | |
| 7 | Group One Trading LLC | 69K | $849K | ▲+95% Added · +34K sh | Q2 2026 | |
| 8 | Old Mission Capital LLC | 39K | $832K | ▼−64% Reduced · −69K sh | Q1 2026 | |
| 9 | Jefferies Financial Group Inc. | 33K | $404K | ▲New +33K sh | Q2 2026 | |
| 10 | Instrumental Wealth, LLC | 20K | $242K | ▲+38% Added · +5K sh | Q2 2026 | |
| 11 | Merit Financial Group, LLC | 18K | $223K | —Held | Q2 2026 | |
| 12 | Morgan Stanley | 17K | $367K | ▲+1.2% Added · +207 sh | Q1 2026 | |
| 13 | Focus Partners Wealth | 13K | $281K | ▲New +13K sh | Q1 2026 | |
| 14 | Kestra Private Wealth Services, LLC | 13K | $158K | ▲New +13K sh | Q2 2026 | |
| 15 | Dynamic Advisor Solutions LLC | 13K | $156K | ▼−3.4% Reduced · −448 sh | Q2 2026 | |
| 16 | 180 Wealth Advisors, LLC | 12K | $148K | —Held | Q2 2026 | |
| 17 | Winebrenner Capital Management LLC | 10K | $122K | ▲New +10K sh | Q2 2026 | |
| 18 | Truvestments Capital LLC | 8K | $97K | ▼−7.3% Reduced · −631 sh | Q2 2026 | |
| 19 | Simplex Trading, LLC | 7K | $145K | ▼−74% Reduced · −19K sh | Q1 2026 | |
| 20 | US Bancorp | 5K | $113K | ▲+351% Added · +4K sh | Q1 2026 | |
| 21 | Bank Of Montreal | 5K | $111K | ▲+8.3% Added · +400 sh | Q1 2026 | |
| 22 | Cornerstone Planning Group LLC | 4K | $51K | ▲+13% Added · +427 sh | Q2 2026 | |
| 23 | Vision Financial Markets LLC | 3K | $32K | ▲+42% Added · +770 sh | Q2 2026 | |
| 24 | EFG International AG | 2K | $31K | —Held | Q2 2026 | |
| 25 | CoreCap Advisors, LLC | 2K | $43K | ▲+9.8% Added · +178 sh | Q1 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, 6 funds opened a new position in MSTY and 10 added to an existing one, while 7 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 |
|---|---|---|
| Nvidia CorpNVDA | 35 funds | $6.1B |
| Apple IncAAPL | 34 funds | $7.3B |
| Microsoft CorpMSFT | 34 funds | $3.4B |
| SS SPDR S&P 500 ETF Trust-USSPY | 34 funds | $3.0B |
| Alphabet Inc-CL AGOOGL | 34 funds | $2.7B |
| Vanguard S&P 500 ETFVOO | 34 funds | $2.2B |
| Alphabet Inc-CL CGOOG | 34 funds | $2.2B |
| Eli Lilly & CoLLY | 34 funds | $1.9B |
| Tesla IncTSLA | 34 funds | $1.7B |
| Meta Platforms Inc-Class AMETA | 34 funds | $1.6B |
| Taiwan Semiconductor-SP ADRTSM | 34 funds | $1.0B |
| Netflix IncNFLX | 34 funds | $914.5M |
Ranked by how many of MSTY's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in MSTY.
| Class | 13F holders | Value held |
|---|---|---|
| MSTYthis pageYIELDMAX MSTR OP | 65 funds | $21.1M |
| TSLYYIELDMAX TSLA OP | 46 funds | $59.9M |
| ULTYYIELDMAX ULTRA O | 37 funds | $39.0M |
| CONYYIELDMAX COIN OP | 25 funds | $5.6M |
| AMDYYIELDMAX AMD OPT | 15 funds | $34.2M |
| MRNYYIELDMAX MRNA OP | 12 funds | $29.5M |
| OARKYIELDMAX INNOVAT | 8 funds | $23.1M |
| YBITYIELDMAX BITCOIN | 8 funds | $422K |
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 MSTY
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/MSTY/capital-change-brief"
Use Arkolith's capital_change_brief for MSTY. 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 MSTY. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.