Connect Biopharma Holdings LCNTB

13F holders, Q4 2025 (December 31)
28holders +13
14new positions
2sold out
4famous investors
$2.82avg. 13F price*

At the end of Q4 2025, 28 institutions reported holding Connect Biopharma Holdings L (CNTB) in their 13F filings, up 13 from Q3 2025. 14 opened new positions and 2 sold out. The largest holders were Ikarian Capital, LLC ($13.5M), Boothbay Fund Management, LLC ($3.5M) and Perceptive Advisors LLC ($2.2M). 4 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).

Company
Connect Biopharma Holdings L
CUSIP
G23549101
Latest filing quarter
Q2 2026

History

Number of 13F holders

0204060 Q3 2025: 15Q3 2025Q4 2025: 28Q4 2025Q1 2026: 40Q1 2026Q2 2026: 55Q2 2026

Total Exit/New Position Q3 2025 → Q4 2025

InstitutionsTotal Value
New Positions14$21.4M
Exits2$41K

All 13F filers, Q3 2025 → Q4 2025: 7,732,543 shares bought and 901,652 shares sold, net +6,830,891 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 28 holders

Ikarian Capital, LLC 1.75% New 4,788,486 $13.5M
Boothbay Fund Management, LLC 0.09% New 1,234,582 $3.5M
Perceptive Advisors LLC 0.04% New 792,696 $2.2M
BML Capital Management, LLC 1.02% Reduce -67.7% 408,887 $1.2M
Knott David M Jr 0.26% New 200,000 $564K
Richmond Brothers, Inc. 0.31% New 173,485 $489K
Renaissance Technologies 0.00% Reduce -9.5% 143,100 $404K
Marshall Wace, LLP 0.00% Add +121.2% 128,368 $362K
Citadel Advisors 0.00% New 99,493 $281K
Jane Street Group, LLC 0.00% New 82,226 $232K
OMERS ADMINISTRATION Corp 0.00% New 80,808 $228K
Susquehanna International Group, LLP 0.00% Add +420.1% 71,503 $202K
Koa Wealth Management, LLC 0.10% No change 49,600 $140K
Millennium Management 0.00% New 47,050 $133K
Royal Bank of Canada 0.00% New 40,400 $114K
Persistent Asset Partners Ltd 0.04% New 26,774 $76K
Geode Capital Management, LLC 0.00% No change 23,320 $66K
HRT Financial LP 0.00% Add +60.5% 16,785 $47K
Point72 Asset Management 0.00% New 16,503 $47K
SmartHarvest Portfolios, LLC 0.01% — 12,897 $36K
Monograph Wealth Advisors, LLC 0.00% No change 11,130 $31K
Qube Research & Technologies Ltd 0.00% New 10,449 $29K
UBS Group AG 0.00% Add +1474.6% 3,165 $9K
Morgan Stanley 0.00% Add +2109.0% 2,209 $6K
Rhumbline Advisers 0.00% No change 780 $2K
JPMorgan Chase & Co. 0.00% No change 121 $341
Simplex Trading, LLC 0.00% New 98 $276
SBI Securities Co., Ltd. 0.00% Reduce -14.3% 6 $17

"% of holder's portfolio" is CNTB's weight in each manager's 13F, not the share of Connect Biopharma Holdings L the manager owns.