CNTB Institutional Ownership
Who owns Connect Biopharma Holdings Ltd and what the big funds did with it last quarter, from every SEC 13F filing. 57 funds reported holding CNTB at Jun 30, 2026, together owning 22.1% of the company.
- ▲40 buying vs 19 selling
- ▲Held by funds +1.9 pts
- ▲Funds holding +15
- ▼Superinvestors: 0 added, 4 cut
- ●Put/call not meaningful
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
8 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 57 | 42 | +35.7% |
| In funds' top 10 | 0 | 0 | – |
| 13F shares | 13.9M | 12.7M | +9.2% |
| Held by funds | 22.1% | 20.2% | +1.9 pts |
| New positions | 25 | 15 | +66.7% |
| Increased | 15 | 9 | +66.7% |
| Reduced | 9 | 8 | +12.5% |
| Sold out | 10 | 3 | +233.3% |
| Calls (shares) | 0 | 182K | −100.0% |
| Puts (shares) | 0 | 0 | – |
| Put/call ratio | – | 0.00 | – |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in CNTB
All superinvestors →
Who owns CNTB
share of fund held shares- Index and passive funds10.3%
- Active managers and hedge funds87.1%
- Banks and brokers2.3%
- Pensions, insurers and other0.3%
The top 10 holders own 80.9% of all CNTB shares that funds reported. Groups are our own grouping of filers by name.
Put/call ratio
funds' options, market makers left outAbove 1 means funds hold more puts than calls, a sign of hedging or bets on a fall. Options are valued at the underlying shares.
Filed so far for Q3 2026
5 funds changed their position- Y-Intercept (Hong Kong) LtdSold out−15K sh
- Sterling Capital Management LLCAdded+331 sh
- GAMMA Investing LLCNew+82 sh
- Caitong International Asset Management Co., LtdTrimmed−65 sh
- IFP Advisors, IncNew+12 sh
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | Ikarian Capital, LLC | 7.21% | 4.5M | $10.8M | −850K |
| 2 | 683 Capital Management, LLC | 2.04% | 1.3M | $3.1M | +385K |
| 3 | Boothbay Fund Management, LLC | 1.55% | 974K | $2.3M | −261K |
| 4 | BlackRock, Inc. | 1.38% | 872K | $2.1M | +872K |
| 5 | Perceptive Advisors LLC | 1.26% | 793K | $1.9M | 0 |
| 6 | ADAR1 Capital Management, LLC | 1.11% | 700K | $1.7M | −42K |
| 7 | BML Capital Management, LLC | 0.91% | 573K | $1.4M | +164K |
| 8 | Silverarc Capital Management, LLC | 0.87% | 545K | $1.3M | +545K |
| 9 | Richmond Brothers, Inc. | 0.85% | 536K | $1.3M | +59K |
| 10 | Knott David M Jr | 0.71% | 445K | $1.1M | +57K |
- BlackRock, Inc.+872K sh+$2.1M
- Silverarc Capital Management, LLC+545K sh+$1.3M
- 683 Capital Management, LLC+385K sh+$916K
- Marshall Wace, LLP+270K sh+$642K
- Geode Capital Management, LLC+225K sh+$536K
- BML Capital Management, LLC+164K sh+$391K
- Two Sigma Investments, LP+152K sh+$362K
- Vanguard Portfolio Management LLC+103K sh+$245K
- Ikarian Capital, LLC−850K sh−$2M
- Millennium Management LLC−431K sh−$1M
- Boothbay Fund Management, LLC−261K sh−$621K
- Propel Bio Management, LLC−209K sh−$554K
- Susquehanna International Group, LLP−177K sh−$420K
- Citadel Advisors LLC−76K sh−$199K
- Simplify Asset Management Inc.−51K sh−$135K
- Fifth Lane Capital, LP−45K sh−$118K
CNTB institutional ownership FAQ
Who owns the most CNTB stock?
In Q2 2026 13F filings the largest holder of CNTB was Ikarian Capital, LLC, followed by 683 Capital Management, LLC and Boothbay Fund Management, LLC. Index fund managers are usually the biggest holders of large companies.
What percentage of CNTB is owned by institutions?
Funds that file 13F reports held 22.1% of CNTB's shares at Jun 30, 2026, compared with 20.2% a quarter earlier. That counts every manager with more than $100 million in US stocks.
Are hedge funds buying CNTB?
In Q2 2026, 40 funds bought CNTB (25 of them new positions) and 19 sold (10 sold out completely). Among well known investors, 0 added and 4 cut. Our fund sentiment for CNTB is bullish.
What is CNTB's institutional put/call ratio?
Too few option positions were reported for a meaningful ratio.
How current is this CNTB ownership data?
13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.