
Baidu, Inc.
Baidu, Inc. (BIDU) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · BIDU · as of Sep 30, 2025
Ownership Breakdown
568
Institutional Holders
▲ 90 vs Q2
$10.69B
Total Inst. Value
▲ $5.97B vs Q2
340.13M
Shares Outstanding
freeFloat 78.16%
60.45M
13F Shares Held
▲ 4.44M 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
BIDU largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
PRIMECAP MANAGEMENT CO/CA/ services-computer programming, data processing, etc. | 12.11M | 3.56% | 3.56% | $1.60T | Nov 12, 2025 | ▼ 4.5K |
SUSQUEHANNA INTERNATIONAL GROUP, LLP services-computer programming, data processing, etc. | 9.76M | 2.87% | 2.87% | $1.29T | Nov 14, 2025 | ▲ 5.07M |
DODGE & COX services-computer programming, data processing, etc. | 4.40M | 1.30% | 1.30% | $580.37B | Nov 13, 2025 | ▼ 1.02M |
JANE STREET GROUP, LLC services-computer programming, data processing, etc. | 3.86M | 1.14% | 1.14% | $508.75B | Nov 14, 2025 | ▲ 2.96M |
CITADEL ADVISORS LLC services-computer programming, data processing, etc. | 3.59M | 1.06% | 1.06% | $473.61B | Nov 14, 2025 | ▲ 1.31M |
SUSQUEHANNA INTERNATIONAL GROUP, LLP services-computer programming, data processing, etc. | 3.24M | 95.24% | 95.24% | $426.67B | Nov 14, 2025 | ▼ 512.7K |
CITADEL ADVISORS LLC services-computer programming, data processing, etc. | 2.78M | 81.71% | 81.71% | $366.07B | Nov 14, 2025 | ▲ 810.7K |
BREVAN HOWARD CAPITAL MANAGEMENT LP services-computer programming, data processing, etc. | 2.49M | 73.33% | 73.33% | $328.52B | Nov 14, 2025 | ▲ 2.34M |
UBS GROUP AG services-computer programming, data processing, etc. | 2.32M | 68.34% | 68.34% | $306.16B | Nov 13, 2025 | ▼ 81.2K |
HSBC HOLDINGS PLC services-computer programming, data processing, etc. | 2.13M | 62.79% | 62.79% | $278.94B | Nov 13, 2025 | ▲ 2.00M |
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
31
Increased
+28.98M shares5
New Positions
first time holders14
Decreased
−5.49M shares0
Sold Out
fully exitedNet shares change (top 50)
+23.49M
+28.98M / −5.49M
Net new holders
+22
5 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
BIDU insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
0
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 |
|---|---|---|---|---|---|---|---|
Foo Jixun director | May 21, 2026 | Sale | 122,584 | $16.32 | $2.00M | 0 | 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
Baidu, Inc. (BIDU) is primarily owned by institutional investors, who hold approximately 17.8% of total shares outstanding. Company insiders own approximately 21.84%, while retail and public investors account for the remaining 60.39%.
The largest institutional shareholder of Baidu, Inc. is PRIMECAP MANAGEMENT CO/CA/, holding approximately 12.11 million shares — equal to 3.56% of outstanding shares — as of September 30, 2025.
A total of 568 institutional investors currently hold BIDU stock, with a combined institutional value of approximately $10.69 billion as of the most recent 13F filing period.
Frequently asked questions
BIDU ownershipBaidu, Inc. (BIDU) is primarily owned by institutional investors, who hold approximately 17.8% of shares. The largest shareholder is PRIMECAP MANAGEMENT CO/CA/ with a 3.56% stake. Company insiders hold 21.84%. Data sourced from SEC Form 13F as of September 30, 2025.