Connect Biopharma Holdings Limited (CNTB) Ownership

NASDAQ: CNTBTop holders, insider trades and short interest.

CNTB ownership summary

as of October 18, 2026
Institutions
61.3%
of shares outstanding
Insiders
30.34%
of shares outstanding
Shares outstanding
63.0M
Float
17.3M
shares available to trade
Short interest
7.88%
3.5M shares short
Days to cover
0.36
short interest up 26.2% vs prior month
  • Institutions 61.34%
  • Insiders 30.34%
  • Other investors 8.32%

CNTB top institutional holders

2 largest
Connect Biopharma Holdings Limited top institutional holders
#Holder% of sharesSharesValueChangeReported
1Quadrature Capital Limited0.07%42K$38,339+42,303 (0.0%)June 30, 2026
2EverSource Wealth Advisors, LLC0.00%——−1,247 (−100.0%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 2, 1 holders added 42K shares and 1 cut 1,247.

CNTB top mutual fund and ETF holders

1 largest
Connect Biopharma Holdings Limited top fund holders
#Holder% of sharesSharesValueChangeReported
1T. Rowe Price Small-Cap Index I<0.01%2,282$2,068+2,282 (0.0%)June 30, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

CNTB insider transactions

latest 1
Connect Biopharma Holdings Limited insider transactions
DateNameTransactionPriceSharesValue
2026-03-31James HuangBuy$3.451,160,000$4.0M

Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.

CNTB shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns CNTB

Institutional investors own 61.3% of Connect Biopharma's shares and insiders 30.34%. The largest holder is Quadrature Capital Limited with 0.07% of the shares (42K), as of June 30, 2026. Among the top 2 institutions, 1 added shares and 1 reduced their stake in the latest filings. Short interest is 7.88% of the float, or 0.36 days of average trading volume.

Related: CNTB analyst forecast, CNTB key metrics. See the CNTB stock overview for the latest quote and news.

CNTB ownership FAQ

Who owns the most Connect Biopharma stock?

The largest shareholders of Connect Biopharma are Quadrature Capital Limited (0.07%), EverSource Wealth Advisors, LLC (0.00%).

What percentage of Connect Biopharma is owned by institutions?

Institutions hold 61.3% of Connect Biopharma's shares outstanding; insiders hold 30.34%.

Which funds own Connect Biopharma?

The largest fund holders of Connect Biopharma are T. Rowe Price Small-Cap Index I (<0.01%).

What is Connect Biopharma's short interest?

3.5M shares of Connect Biopharma were sold short, 7.88% of the float; at the average daily volume it would take 0.36 days to cover.

Are insiders buying or selling Connect Biopharma?

Of the latest 1 reported insider transactions in Connect Biopharma (since March 31, 2026), 1 were purchases and 0 were sales.

How many shares of Connect Biopharma are outstanding?

Connect Biopharma has 63.0M shares outstanding, of which 17.3M are in the public float.

Biotechnology: ownership