CNTB · Insider trading · 13F holders · Congress trades
Connect Biopharma Holdings Ltd (CNTB)
Who is buying and selling CNTB: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 5
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 0
CNTB at a glance
- No open-market insider purchases or sales of CNTB were filed in the last 90 days.
- 5 13F filers hold CNTB among their 50 largest positions, worth $15.4M combined. The biggest bets by portfolio weight are Ikarian Capital, LLC (1.8%), BML Capital Management, LLC (0.8%) and Richmond Brothers, Inc. (0.7%). In their latest 13Fs, 0 managers opened a new position and 4 added to one.
- No member of Congress has disclosed a trade in CNTB.
CNTB insider trading
No open-market insider purchases or sales of CNTB were filed in the last 90 days.
Who owns CNTB? Hedge funds and superinvestors
5 13F filers hold CNTB among their 50 largest positions, worth $15.4M combined. The biggest bets by portfolio weight are Ikarian Capital, LLC (1.8%), BML Capital Management, LLC (0.8%) and Richmond Brothers, Inc. (0.7%). In their latest 13Fs, 0 managers opened a new position and 4 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Ikarian Capital, LLCHedge fund | 1.8% | $10.8M | 4,538,534 | -15.8% shares | Q2 2026 |
| BML Capital Management, LLCHedge fund | 0.8% | $1.4M | 573,287 | +40.2% shares | Q2 2026 |
| Richmond Brothers, Inc.Wealth manager | 0.7% | $1.3M | 535,612 | +12.4% shares | Q2 2026 |
| Knott David M JrInvestment manager | 0.6% | $1.1M | 444,862 | +14.7% shares | Q2 2026 |
| Stonepine Capital Management, LLCHedge fund | 0.7% | $867K | 364,254 | +17.5% shares | Q2 2026 |
Each manager counts with its latest 13F (Q2 2026: 5). Screen CNTB in the grand portfolio →
CNTB stock trades by members of Congress
No member of Congress has disclosed a trade in CNTB.
CNTB questions and answers
Are insiders buying CNTB stock?
No open-market insider purchases or sales of CNTB were filed in the last 90 days.
Which hedge funds own CNTB?
5 13F filers hold CNTB among their 50 largest positions, worth $15.4M combined. The biggest bets by portfolio weight are Ikarian Capital, LLC (1.8%), BML Capital Management, LLC (0.8%) and Richmond Brothers, Inc. (0.7%). In their latest 13Fs, 0 managers opened a new position and 4 added to one.
Has Congress traded CNTB?
No member of Congress has disclosed a trade in CNTB.
Who is the largest holder of CNTB?
Among 13F filers, Ikarian Capital, LLC reports the largest CNTB position, $10.8M (4,538,534 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Ikarian Capital, LLC's: 1.8% of its portfolio.
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