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Equibles

CNTB

Connect Biopharma Holdings Ltd

Company with tickers: CNTB

CIK
1835268
CUSIP
G23549101
Shares Outstanding
62,963,853
13F Activity (30d)
32 filings 31 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 40
Total Value: $34,118,495
Total Shares: 13,022,334

Institutional Ownership Trend

4 quarters

Holder Concentration

Across 40 13F filers · Δ vs Dec 31, 2025
Top Holder
42.5%
Sep 2025 → Mar 2026 · range 42.5% – 90.5%
−8.8 pts
Top 5
71.0%
Sep 2025 → Mar 2026 · range 71.0% – 98.4%
−17.1 pts
Top 10
86.9%
Sep 2025 → Mar 2026 · range 86.9% – 100.0%
−11.3 pts
HHI
2,085
Sep 2025 → Mar 2026 · range 2,085 – 8,209
Moderately concentrated−985

Quarterly Activity

vs Dec 31, 2025
New
25
Increased
5
Decreased
3
Sold Out
2
Unchanged
7
Holder count: +23
Institutional value: +388.0%
Shares held: +425.3%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Micro Richmond Brothers, Inc. +303,099 476,584
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP +252,605 324,108
Small Knott David M Jr +187,835 387,835
Small Persistent Asset Partners Ltd +23,973 50,747
Mega GEODE CAPITAL MANAGEMENT, LLC +8,809 32,129

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Large MARSHALL WACE, LLP −62,355 66,013
Mega UBS Group AG −3,132 33
Large HRT FINANCIAL LP −1,486 15,299

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mid Ikarian Capital, LLC 5,533,086 $14,496,685
Mid 683 Capital Management, LLC 900,000 $2,358,000
Mid PERCEPTIVE ADVISORS LLC 792,696 $2,076,863
Mid ADAR1 Capital Management, LLC 742,400 $1,945,088
Mega MILLENNIUM MANAGEMENT LLC 474,601 $1,243,454

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Large OMERS ADMINISTRATION Corp 80,808 $227,878
Mid SIMPLEX TRADING, LLC 98 $276
Filter: New 25 Increased 5 Reduced 3 Sold out 2 Unchanged 7
Showing 46 of 46
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mid Ikarian Capital, LLC $14,117,833 41.38% 5,388,486
Mid BOOTHBAY FUND MANAGEMENT, LLC $3,234,604 9.48% 1,234,582
Mid 683 Capital Management, LLC $2,358,000 6.91% 900,000
Mid PERCEPTIVE ADVISORS LLC $2,076,863 6.09% 792,696
Mid ADAR1 Capital Management, LLC $1,945,088 5.70% 742,400
Micro Richmond Brothers, Inc. $1,248,649 3.66% 476,584
Mega MILLENNIUM MANAGEMENT LLC $1,243,454 3.64% 474,601
Small BML Capital Management, LLC $1,071,283 3.14% 408,887
Small Knott David M Jr $1,016,127 2.98% 387,835
Small Stonepine Capital Management, LLC $812,200 2.38% 310,000
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $730,476 2.14% 278,808
Small Propel Bio Management, LLC $548,871 1.61% 209,493
Small DIADEMA PARTNERS LP $525,807 1.54% 200,690
Mid Burkehill Global Management, LP $393,000 1.15% 150,000
Mid Ikarian Capital, LLC $378,852 1.11% 144,600
Large RENAISSANCE TECHNOLOGIES LLC $316,234 0.93% 120,700
Mega CITADEL ADVISORS LLC $199,313 0.58% 76,074
Large MARSHALL WACE, LLP $172,952 0.51% 66,013
Small Simplify Asset Management Inc. $134,864 0.40% 51,475
Small Persistent Asset Partners Ltd $132,957 0.39% 50,747
Small Koa Wealth Management, LLC $129,952 0.38% 49,600
Mega TWO SIGMA INVESTMENTS, LP $124,358 0.36% 47,465
Micro FIFTH LANE CAPITAL, LP $117,900 0.35% 45,000
Mid XTX Topco Ltd $107,755 0.32% 41,128
Mega ROYAL BANK OF CANADA Bank $105,848 0.31% 40,400
Mega JANE STREET GROUP, LLC $103,746 0.30% 39,598
Mid BOOTHBAY FUND MANAGEMENT, LLC $96,940 0.28% 37,000
Mega CITADEL ADVISORS LLC $95,892 0.28% 36,600
Mega GEODE CAPITAL MANAGEMENT, LLC $84,177 0.25% 32,129
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $79,648 0.23% 30,400
Mega GOLDMAN SACHS GROUP INC $78,162 0.23% 29,833
Large Point72 Asset Management, L.P. $51,786 0.15% 19,766
Mid Virtu Financial LLC $44,314 0.13% 16,914
Mega BANK OF AMERICA CORP /DE/ Bank $41,063 0.12% 15,673
Large HRT FINANCIAL LP $40,083 0.12% 15,299
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $39,038 0.11% 14,900
Small SmartHarvest Portfolios, LLC $33,790 0.10% 12,897
Mega JANE STREET GROUP, LLC $32,488 0.10% 12,400
Small MONOGRAPH WEALTH ADVISORS, LLC $29,160 0.09% 11,130
Small FNY Investment Advisers, LLC $13,100 0.04% 5,000
Mega MORGAN STANLEY $9,405 0.03% 3,590
Mega RHUMBLINE ADVISERS $2,043 0.01% 780
Mega JPMORGAN CHASE & CO $317 0.00% 121
Mega UBS Group AG $86 0.00% 33
Mid SBI Securities Co., Ltd. Broker-Dealer $15 0.00% 6
Mega CITIGROUP INC $2 0.00% 1

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