Among active 13F managers last quarter, none opened or added and 2 reduced; the largest holder to move was XTX Topco Ltd (−24%). No open-market insider trades in the last 180 days.
Funds lean out and no leg opposes.
7 tracked 13F filers disclose a position in YHC as of the latest SEC 13F filings, a combined $136K 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 | Vanguard Capital Management LLC | 200K | $16K | —Held | Q2 2026 | |
| 2 | Geode Capital Management, LLC | 196K | $15K | ▼−2.9% Reduced · −6K sh | Q2 2026 | |
| 3 | Vanguard Fiduciary Trust Co | 98K | $8K | —Held | Q2 2026 | |
| 4 | XTX Topco Ltd | 56K | $55K | ▼−24% Reduced · −18K sh | Q1 2026 | |
| 5 | UBS Group AG | 40K | $39K | ▲+52% Added · +14K sh | Q1 2026 | |
| 6 | Tower Research Capital LLC (TRC) | 2K | $2K | ▼−1.2% Reduced · −29 sh | Q1 2026 | |
| 7 | Wells Fargo & Company | 10 | $10 | —Held | 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, no active manager opened or added to a position in YHC, while 2 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 |
|---|---|---|
| Invesco QQQ Trust Series 1QQQ | 2 funds | $140.4M |
| Direx Dail Semi Bu 3X Et-UsdSOXL | 2 funds | $116.7M |
| Apple IncAAPL | 2 funds | $115.9M |
| Microsoft CorpMSFT | 2 funds | $100.9M |
| Micron Technology IncMU | 2 funds | $94.2M |
| Nvidia CorpNVDA | 2 funds | $87.7M |
| Tesla IncTSLA | 2 funds | $76.7M |
| SS SPDR S&P 500 ETF Trust-USSPY | 2 funds | $63.5M |
| Broadcom IncAVGO | 2 funds | $59.8M |
| Alphabet Inc-CL AGOOGL | 2 funds | $49.4M |
| Amazon.com IncAMZN | 2 funds | $48.5M |
| Ishares Core U.S. AggregateAGG | 2 funds | $41.8M |
Ranked by how many of YHC's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in YHC.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Dec 17, 2025 | Lu Yilin | President, Director | Buy (P) | 2.0M | $1.8M |
| Jul 17, 2025 | Lambeth George Patrick | 10% Owner | Sell (S) | 180K | $547K |
| Nov 26, 2024 | Hoffman Alexandra | Director | Buy (P) 4 lots, same day | 8K | $8K |
| Nov 26, 2024 | Dollinger Sean | CHIEF EXECUTIVE OFFICER, Director | Buy (P) | 29K | $30K |
| Nov 25, 2024 | Lazar David E. | President, Director | Sell (S) | 280K | — |
| Nov 21, 2024 | Lazar David E. | President, Director | Sell (S) | 822K | — |
| Dec 20, 2023 | Dollinger Sean | Chief Executive Officer, Director | Buy (P) 5 lots, same day | 23K | $106K |
| Nov 21, 2023 | Dollinger Sean | Chief Executive Officer, Director, 10% Owner | Buy (P) 2 lots, same day | 753K | $61K |
| Aug 23, 2023 | Dollinger Sean | Chief Executive Officer, Director, 10% Owner | Buy (P) 2 lots, same day | 86K | $100K |
One row per insider, day and transaction code; shares and value are summed across the lots. Every lot is on the full insider page and in the filing.
Where institutional funds (13F), corporate insiders (Form 4) and US House members (STOCK Act) are buying or selling the same name in the same window. Green is buying, red is selling.
Insiders and Congress: last 180 days. Funds: latest 13F, top 100 holders incl. passive
| Source | Buying | Selling | Net |
|---|---|---|---|
13F funds Top 100 holders by value, passive included; the hero counts active managers only | 1 | 3 | – |
Insiders Form 4 open-market | 0 | 0 | $0 |
US House STOCK Act trades | 0 | 0 | $0 |
Capital Rotation reports where institutional capital disclosed rotating, as of the latest public SEC 13F filings. It is data, not investment advice, a recommendation, or a prediction. Filings lag about 45 days and cover long US equity positions only. Past disclosed flows do not indicate future prices. Do your own research; consult a licensed advisor.
Connected entities for YHC
This stock 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/YHC/capital-change-brief"
Use Arkolith's capital_change_brief for YHC. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for YHC. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.