33 tracked 13F filers disclose a position in CNTB as of the latest SEC 13F filings, a combined $28.5M 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 | Ikarian Capital, LLC | $13.1M | 5.4M | ▲+13% Added · +600K sh | Q1 2026 | |
| 2 | BOOTHBAY FUND MANAGEMENT, LLC | $3.2M | 1.2M | —Held | Q1 2026 | |
| 3 | 683 Capital Management, LLC | $2.4M | 900K | ▲New +900K sh | Q1 2026 | |
| 4 | PERCEPTIVE ADVISORS LLC | $2.1M | 793K | —Held | Q1 2026 | |
| 5 | ADAR1 Capital Management, LLC | $1.9M | 742K | ▲New +742K sh | Q1 2026 | |
| 6 | BML Capital Management, LLC | $1.4M | 573K | ▲+40% Added · +164K sh | Q2 2026 | |
| 7 | MILLENNIUM MANAGEMENT LLC | $1.2M | 475K | ▲10× Added · +428K sh | Q1 2026 | |
| 8 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $730K | 279K | ▲+290% Added · +207K sh | Q1 2026 | |
| 9 | DIADEMA PARTNERS LP | $526K | 201K | ▲New +201K sh | Q1 2026 | |
| 10 | RENAISSANCE TECHNOLOGIES LLC | $316K | 121K | ▼−16% Reduced · −22K sh | Q1 2026 | |
| 11 | CITADEL ADVISORS LLC | $199K | 76K | ▼−24% Reduced · −23K sh | Q1 2026 | |
| 12 | STATE STREET CORP | $159K | 67K | ▲New +67K sh | Q2 2026 | |
| 13 | MARSHALL WACE, LLP | $173K | 66K | ▼−49% Reduced · −62K sh | Q1 2026 | |
| 14 | Persistent Asset Partners Ltd | $119K | 50K | ▼−1.7% Reduced · −874 sh | Q2 2026 | |
| 15 | Koa Wealth Management, LLC | $118K | 50K | —Held | Q2 2026 | |
| 16 | TWO SIGMA INVESTMENTS, LP | $124K | 47K | ▲New +47K sh | Q1 2026 | |
| 17 | XTX Topco Ltd | $108K | 41K | ▲New +41K sh | Q1 2026 | |
| 18 | ROYAL BANK OF CANADA | $106K | 40K | —Held | Q1 2026 | |
| 19 | JANE STREET GROUP, LLC | $104K | 40K | ▼−52% Reduced · −43K sh | Q1 2026 | |
| 20 | GEODE CAPITAL MANAGEMENT, LLC | $84K | 32K | ▲+38% Added · +9K sh | Q1 2026 | |
| 21 | GOLDMAN SACHS GROUP INC | $78K | 30K | ▲New +30K sh | Q1 2026 | |
| 22 | Point72 Asset Management, L.P. | $52K | 20K | ▲+20% Added · +3K sh | Q1 2026 | |
| 23 | BANK OF AMERICA CORP /DE/ | $41K | 16K | ▲New +16K sh | Q1 2026 | |
| 24 | Y-Intercept (Hong Kong) Ltd | $36K | 15K | ▲New +15K sh | Q2 2026 | |
| 25 | SmartHarvest Portfolios, LLC | $31K | 13K | —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, 7 funds opened a new position in CNTB and 4 added to an existing one, while 4 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 |
|---|---|---|
| ELI LILLY & COLLY | 15 funds | $1.3B |
| UNITEDHEALTH GROUP INCUNH | 14 funds | $2.1B |
| JAZZ PHARMACEUTICALS PLCJAZZ | 14 funds | $751.5M |
| WAVE LIFE SCIENCES LTDWVE | 14 funds | $96.1M |
| INVIVYD INCIVVD | 14 funds | $52.0M |
| INTUITIVE SURGICAL INCISRG | 13 funds | $2.3B |
| BOSTON SCIENTIFIC CORPBSX | 13 funds | $1.8B |
| BRISTOL-MYERS SQUIBB COBMY | 13 funds | $1.5B |
| GILEAD SCIENCES INCGILD | 13 funds | $1.4B |
| CAPITAL ONE FINANCIAL CORPCOF | 13 funds | $1.3B |
| ELEVANCE HEALTH INCELV | 13 funds | $802.4M |
| REGENERON PHARMACEUTICALSREGN | 13 funds | $787.0M |
Ranked by how many of CNTB's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| May 29, 2026 | Huang James | Director | Buy (P) | 150K | $372K |
| Mar 31, 2026 | Huang James | Director | Buy (P) | 1.2M | $4.0M |
Connected entities for CNTB
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/CNTB/capital-change-brief"
Use Arkolith's capital_change_brief for CNTB. 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 CNTB. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.