Connect Biopharma Holdings LCNTB
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 40 institutions reported holding Connect Biopharma Holdings L (CNTB) in their 13F filings, up 12 from Q4 2025. 15 opened new positions and 3 sold out. The largest holders were Ikarian Capital, LLC ($13.1M), Boothbay Fund Management, LLC ($3.2M) and 683 Capital Management, LLC ($2.4M). 4 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Connect Biopharma Holdings L
- CUSIP
- G23549101
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 15 | $7.2M |
| Exits | 3 | $258K |
All 13F filers, Q4 2025 → Q1 2026: 4,528,288 shares bought and 246,775 shares sold, net +4,281,513 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 40 holders
| Ikarian Capital, LLC | 1.88% | Add +12.5% | 5,388,486 | $13.1M |
| Boothbay Fund Management, LLC | 0.08% | No change | 1,234,582 | $3.2M |
| 683 Capital Management, LLC | 0.23% | New | 900,000 | $2.4M |
| Perceptive Advisors LLC | 0.04% | No change | 792,696 | $2.1M |
| ADAR1 Capital Management, LLC | 0.12% | New | 742,400 | $1.9M |
| Richmond Brothers, Inc. | 0.83% | Add +174.7% | 476,584 | $1.2M |
| Millennium Management | 0.00% | Add +908.7% | 474,601 | $1.2M |
| BML Capital Management, LLC | 0.69% | No change | 408,887 | $1.1M |
| Knott David M Jr | 0.60% | Add +93.9% | 387,835 | $1.0M |
| Stonepine Capital Management, LLC | 0.71% | New | 310,000 | $812K |
| Susquehanna International Group, LLP | 0.00% | Add +289.9% | 278,808 | $730K |
| Propel Bio Management, LLC | 0.35% | New | 209,493 | $554K |
| Diadema Partners LP | 0.22% | New | 200,690 | $526K |
| Burkehill Global Management, LP | 0.02% | New | 150,000 | $360K |
| Renaissance Technologies | 0.00% | Reduce -15.7% | 120,700 | $316K |
| Citadel Advisors | 0.00% | Reduce -23.5% | 76,074 | $199K |
| Marshall Wace, LLP | 0.00% | Reduce -48.6% | 66,013 | $173K |
| Simplify Asset Management Inc. | 0.00% | New | 51,475 | $135K |
| Persistent Asset Partners Ltd | 0.05% | Add +89.5% | 50,747 | $133K |
| Koa Wealth Management, LLC | 0.09% | No change | 49,600 | $130K |
| Two Sigma Investments, LP | 0.00% | New | 47,465 | $124K |
| Fifth Lane Capital, LP | 0.14% | New | 45,000 | $118K |
| XTX Topco Ltd | 0.00% | New | 41,128 | $108K |
| Royal Bank of Canada | 0.00% | No change | 40,400 | $106K |
| Jane Street Group, LLC | 0.00% | Reduce -51.8% | 39,598 | $104K |
| Geode Capital Management, LLC | 0.00% | Add +37.8% | 32,129 | $84K |
| Goldman Sachs Group Inc. | 0.00% | New | 29,833 | $78K |
| Point72 Asset Management | 0.00% | Add +19.8% | 19,766 | $52K |
| Virtu Financial LLC | 0.00% | New | 16,914 | $44K |
| Bank of America Corp. | 0.00% | New | 15,673 | $41K |
| HRT Financial LP | 0.00% | Reduce -8.8% | 15,299 | $40K |
| SmartHarvest Portfolios, LLC | 0.01% | No change | 12,897 | $34K |
| Monograph Wealth Advisors, LLC | 0.00% | No change | 11,130 | $29K |
| FNY Investment Advisers, LLC | 0.01% | New | 5,000 | $13K |
| Morgan Stanley | 0.00% | Add +62.5% | 3,590 | $9K |
| Rhumbline Advisers | 0.00% | No change | 780 | $2K |
| JPMorgan Chase & Co. | 0.00% | No change | 121 | $351 |
| UBS Group AG | 0.00% | Reduce -99.0% | 33 | $86 |
| SBI Securities Co., Ltd. | 0.00% | No change | 6 | $16 |
| Citigroup Inc. | 0.00% | New | 1 | $3 |
"% of holder's portfolio" is CNTB's weight in each manager's 13F, not the share of Connect Biopharma Holdings L the manager owns.