Burning Rock Biotech Limited
Burning Rock Biotech Limited (BNR) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · BNR · as of Sep 30, 2025
Ownership Breakdown
16
Institutional Holders
▼ 1 vs Q2
$12.42M
Total Inst. Value
▲ $5.06M vs Q2
1.06M
Shares Outstanding
freeFloat 82.45%
1.43M
13F Shares Held
▼ 14,764 vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
BNR largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
KYNAM CAPITAL MANAGEMENT, LP services-medical laboratories | 994.9K | 92.39% | 92.39% | $8.61B | Nov 14, 2025 | — held |
CRCM LP services-medical laboratories | 221.6K | 20.58% | 20.58% | $1.92B | Nov 14, 2025 | ▲ 26.8K |
NIKKO ASSET MANAGEMENT AMERICAS, INC. services-medical laboratories | 34.8K | 3.24% | 3.24% | $314.27M | Nov 12, 2025 | ▼ 9.1K |
SUMITOMO MITSUI TRUST HOLDINGS, INC. services-medical laboratories | 34.8K | 3.24% | 3.24% | $301.38M | Oct 27, 2025 | ▼ 9.1K |
RENAISSANCE TECHNOLOGIES LLC services-medical laboratories | 31.7K | 2.95% | 2.95% | $274.35M | Nov 13, 2025 | — held |
BANK OF AMERICA CORP /DE/ services-medical laboratories | 29.2K | 2.71% | 2.71% | $252.39M | Feb 3, 2026 | ▼ 100 |
PROSPERA FINANCIAL SERVICES INC services-medical laboratories | 24.8K | 2.30% | 2.30% | $214.13M | Nov 6, 2025 | NEW |
MORGAN STANLEY services-medical laboratories | 22.3K | 2.07% | 2.07% | $192.61M | May 27, 2026 | ▲ 4.1K |
SC CHINA HOLDING LTD services-medical laboratories | 21.2K | 1.97% | 1.97% | $215.30M | Nov 14, 2025 | — held |
SKYVIEW INVESTMENT ADVISORS, LLC services-medical laboratories | 10.0K | 92.87% | 92.87% | $87.00M | Feb 13, 2026 | — held |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
4
Increased
+31.0K shares2
New Positions
first time holders3
Decreased
−18.3K shares3
Sold Out
fully exitedNet shares change (top 50)
+12.8K
+31.0K / −18.3K
Net new holders
+0
2 new / 3 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
BNR insider trading · insider activity
Source: SEC Form 4
Insiders have been net buyers of shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
1
Buy transactions
0
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Han Yusheng director | Mar 31, 2026 | Purchase | 314,870 | $17.36 | $5.47M | 17.67M | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Burning Rock Biotech Limited (BNR) is primarily owned by institutional investors, who hold approximately 100.0% of total shares outstanding. Company insiders own approximately 17.55%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of Burning Rock Biotech Limited is KYNAM CAPITAL MANAGEMENT, LP, holding approximately 994,883 shares — equal to 92.39% of outstanding shares — as of September 30, 2025.
A total of 16 institutional investors currently hold BNR stock, with a combined institutional value of approximately $12,424,668 as of the most recent 13F filing period.
Frequently asked questions
BNR ownershipBurning Rock Biotech Limited (BNR) is primarily owned by institutional investors, who hold approximately 100.0% of shares. The largest shareholder is KYNAM CAPITAL MANAGEMENT, LP with a 92.39% stake. Company insiders hold 17.55%. Data sourced from SEC Form 13F as of September 30, 2025.