20 tracked 13F filers disclose a position in BYSI as of the latest SEC 13F filings, a combined $10.2M 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 | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | Decheng Capital LLC | $6.7M | 3.8M | —Held | Q2 2026 | |
| 2 | BlackRock, Inc. | $1.1M | 649K | ▼−3.1% Reduced · −21K sh | Q1 2026 | |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | $997K | 608K | →First observed position No prior filed position | Q1 2026 | |
| 4 | GEODE CAPITAL MANAGEMENT, LLC | $644K | 368K | ▼−2.0% Reduced · −8K sh | Q2 2026 | |
| 5 | STATE STREET CORP | $404K | 231K | —Held | Q2 2026 | |
| 6 | VANGUARD FIDUCIARY TRUST CO | $295K | 180K | →First observed position No prior filed position | Q1 2026 | |
| 7 | NORTHERN TRUST CORP | $114K | 69K | —Held | Q1 2026 | |
| 8 | Meridian Wealth Management, LLC | $25K | 15K | ▲New +15K sh | Q1 2026 | |
| 9 | RENAISSANCE TECHNOLOGIES LLC | $18K | 11K | ▲+0.9% Added · +100 sh | Q1 2026 | |
| 10 | Vanguard Global Advisers, LLC | $8K | 5K | →First observed position No prior filed position | Q1 2026 | |
| 11 | MORGAN STANLEY | $7K | 5K | ▼−8.6% Reduced · −430 sh | Q1 2026 | |
| 12 | NATIONAL BANK OF CANADA /FI/ | $5K | 3K | —Held | Q1 2026 | |
| 13 | Trifecta Capital Advisors, LLC | $3K | 2K | —Held | Q2 2026 | |
| 14 | UBS Group AG | $2K | 1K | ▼−48% Reduced · −1K sh | Q1 2026 | |
| 15 | Tower Research Capital LLC (TRC) | $2K | 1K | ▲+206% Added · +681 sh | Q1 2026 | |
| 16 | SIMPLEX TRADING, LLC | $1K | 864 | ▲New +864 sh | Q1 2026 | |
| 17 | JPMORGAN CHASE & CO | $481 | 297 | ▲+1.0% Added · +3 sh | Q1 2026 | |
| 18 | SBI Securities Co., Ltd. | $133 | 76 | ▼−13% Reduced · −11 sh | Q2 2026 | |
| 19 | BNP PARIBAS FINANCIAL MARKETS | $15 | 9 | —Held | Q1 2026 | |
| 20 | Caitong International Asset Management Co., Ltd | $2 | 1 | ▲New +1 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, 1 fund opened a new position in BYSI and 2 added to an existing one, while 1 reduced and 0 exited entirely — 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 | Combined value |
|---|---|---|
| APPLE INCAAPL | 5 funds | $1.1B |
| NVIDIA CORPNVDA | 5 funds | $1.0B |
| MICRON TECHNOLOGY INCMU | 5 funds | $951.8M |
| VERISIGN INCVRSN | 5 funds | $701.0M |
| CHEVRON CORPCVX | 5 funds | $450.0M |
| INTEL CORPINTC | 5 funds | $397.8M |
| CARVANA COCVNA | 5 funds | $379.0M |
| ROBINHOOD MARKETS INC - AHOOD | 5 funds | $365.6M |
| ALPHABET INC-CL AGOOGL | 5 funds | $331.7M |
| UNITEDHEALTH GROUP INCUNH | 5 funds | $327.7M |
| WESTERN DIGITAL CORPWDC | 5 funds | $323.5M |
| STRATEGY INCMSTR | 5 funds | $265.6M |
Ranked by how many of BYSI's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Oct 17, 2025 | Decheng Capital China Life Sciences USD Fund II, L.P. | 10% Owner | Sell (S) | 46K | $80K |
| Oct 16, 2025 | Decheng Capital China Life Sciences USD Fund II, L.P. | 10% Owner | Sell (S) | 86K | $148K |
| Oct 15, 2025 | Decheng Capital Global Healthcare GP, LLC | 10% Owner | Sell (S) | 18K | $30K |
| Oct 14, 2025 | Decheng Capital Global Healthcare GP, LLC | 10% Owner | Sell (S) | 28K | $47K |
| Oct 13, 2025 | Decheng Capital Global Healthcare GP, LLC | 10% Owner | Sell (S) | 107K | $183K |
| Oct 10, 2025 | Decheng Capital Global Healthcare GP, LLC | 10% Owner | Sell (S) | 2K | $4K |
| Oct 9, 2025 | Decheng Capital Global Healthcare GP, LLC | 10% Owner | Sell (S) | 4K | $7K |
| Oct 8, 2025 | Decheng Capital Global Healthcare GP, LLC | 10% Owner | Sell (S) | 8K | $13K |
| Oct 7, 2025 | Decheng Capital Management III (Cayman), LLC | 10% Owner | Sell (S) | 2K | $4K |
| Oct 6, 2025 | Decheng Capital Management III (Cayman), LLC | 10% Owner | Sell (S) | 18K | $31K |
| Oct 3, 2025 | Decheng Capital Management III (Cayman), LLC | 10% Owner | Sell (S) | 600 | $1K |
| Oct 2, 2025 | Cui Xiangmin | 10% Owner | Sell (S) | 600 | $1K |
Connected entities for BYSI
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/BYSI/capital-change-brief"
Use Arkolith's capital_change_brief for BYSI. 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 BYSI. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.