Among active 13F managers last quarter, 3 opened and 10 added, while 7 reduced; the largest holder to move was Orion Porfolio Solutions, LLC (−5.5%).
47 tracked 13F filers disclose a position in MRSK as of the latest SEC 13F filings, a combined $232.2M 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 | LPL Financial LLC | 2.3M | $80.8M | ▲+3.6% Added · +79K sh | Q1 2026 | |
| 2 | Orion Porfolio Solutions, LLC | 1.8M | $71.0M | ▼−5.5% Reduced · −108K sh | Q2 2026 | |
| 3 | Osaic Holdings, Inc. | 577K | $20.4M | ▼−1.3% Reduced · −8K sh | Q1 2026 | |
| 4 | RPg Family Wealth Advisory, LLC | 234K | $9.1M | ▲+2.3% Added · +5K sh | Q2 2026 | |
| 5 | Visionary Horizons, LLC | 210K | $8.1M | ▲+7.7% Added · +15K sh | Q2 2026 | |
| 6 | Ausdal Financial Partners, Inc. | 151K | $5.8M | ▲+5.7% Added · +8K sh | Q2 2026 | |
| 7 | Toews Corp | 136K | $5.2M | ▲+70% Added · +56K sh | Q2 2026 | |
| 8 | Envestnet Asset Management Inc | 107K | $3.8M | ▲+0.2% Added · +175 sh | Q1 2026 | |
| 9 | CreativeOne Wealth, LLC | 101K | $3.9M | ▲+14% Added · +12K sh | Q2 2026 | |
| 10 | RPS Advisory Solutions LLC | 89K | $3.4M | ▲+3.6% Added · +3K sh | Q2 2026 | |
| 11 | Strategic Equity Management | 74K | $2.9M | ▼−7.8% Reduced · −6K sh | Q2 2026 | |
| 12 | CFS Investment Advisory Services, LLC | 69K | $2.7M | ▼−18% Reduced · −15K sh | Q2 2026 | |
| 13 | Dynamic Advisor Solutions LLC | 56K | $2.2M | ▲+1.2% Added · +662 sh | Q2 2026 | |
| 14 | Kestra Private Wealth Services, LLC | 53K | $2.1M | ▲~0% Added · +25 sh | Q2 2026 | |
| 15 | GTS Securities LLC | 50K | $1.8M | ▲+97% Added · +24K sh | Q1 2026 | |
| 16 | Saxony Capital Management, LLC | 30K | $1.2M | ▲New +30K sh | Q2 2026 | |
| 17 | TCP Asset Management, LLC | 24K | $944K | ▼−1.4% Reduced · −353 sh | Q2 2026 | |
| 18 | GWN Securities Inc. | 23K | $876K | ▲+146% Added · +13K sh | Q2 2026 | |
| 19 | Commonwealth Equity Services, LLC | 18K | $623K | ▼−9.4% Reduced · −2K sh | Q1 2026 | |
| 20 | Moneywise, Inc. | 14K | $548K | ▼−10% Reduced · −2K sh | Q2 2026 | |
| 21 | Old Mission Capital LLC | 14K | $500K | ▲New +14K sh | Q1 2026 | |
| 22 | Jane Street Group, LLC | 11K | $403K | ▼−35% Reduced · −6K sh | Q1 2026 | |
| 23 | Silver Grove Financial Group, Inc. | 11K | $434K | ▲+38% Added · +3K sh | Q2 2026 | |
| 24 | Capital Planning LLC | 11K | $427K | —Held | Q2 2026 | |
| 25 | Kestra Advisory Services, LLC | 9K | $367K | ▼−0.2% Reduced · −22 sh | 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, 3 funds opened a new position in MRSK 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 |
|---|---|---|
| Ishares Core S&P 500 ETFIVV | 22 funds | $1.8B |
| Nvidia CorpNVDA | 22 funds | $1.2B |
| Apple IncAAPL | 21 funds | $1.3B |
| Microsoft CorpMSFT | 21 funds | $671.2M |
| Alphabet Inc-CL AGOOGL | 21 funds | $507.5M |
| SS SPDR S&P 500 ETF Trust-USSPY | 20 funds | $1.0B |
| Vanguard S&P 500 ETFVOO | 20 funds | $943.6M |
| Invesco QQQ Trust Series 1QQQ | 20 funds | $873.1M |
| Amazon.com IncAMZN | 20 funds | $606.0M |
| Alphabet Inc-CL CGOOG | 20 funds | $395.6M |
| SS Technology Select SectorXLK | 20 funds | $189.2M |
| Vanguard Growth ETFVUG | 19 funds | $450.9M |
Ranked by how many of MRSK's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in MRSK.
No filings captured for this ticker in the live stream yet.
Connected entities for MRSK
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/MRSK/capital-change-brief"
Use Arkolith's capital_change_brief for MRSK. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + quarter-over-quarter ownership changes + the live filing stream, joined for MRSK. Filings are public domain, sourced to SEC EDGAR.