BAIDU INC - SPON ADR (BIDU) Institutional Ownership Changes & 13F Activity
BAIDU INC - SPON ADR (BIDU) institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Appaloosa Management, ARK Invest, Dodge & Cox Stock Fund, Hancock Classic Value, and Sequoia Financial Advisors.
| Portfolio quarter | Name | Type | Quantity | Remaining | Reported stock balance |
|---|---|---|---|---|---|
| Q2 2018 | ARK Invest | Buy | 93,728 | 415,392 | $100,940 |
| Q2 2018 | Ariel Appreciation Fund | Buy | 56,882 | 1,184,062 | $287,727 |
| Q2 2018 | Hancock Classic Value | Sell | -40,892 | 383,981 | $93,307 |
| Q2 2018 | Cantillon Capital Management | Sell | -39,407 | 1,646,627 | $400,130 |
| Q2 2018 | Tweedy, Browne Co All Funds (US) | Sell | -11,948 | 1,374,125 | $333,912 |
| Q2 2018 | Polen Capital Management | Buy | 1,870 | 22,723 | $5,522 |
| Q2 2018 | Longleaf Partners | Buy | 669 | 400,965 | $97,434 |
| Q1 2018 | Dodge & Cox Stock Fund | Sell | -1,087,400 | 3,730,187 | $832,540 |
| Q1 2018 | Renaissance Technologies LLC | Sell | -437,520 | 117,980 | $26,332 |
| Q1 2018 | ARK Invest | Buy | 171,183 | 321,664 | $71,792 |
| Q1 2018 | Ariel Appreciation Fund | Sell | -58,743 | 1,127,180 | $251,575 |
| Q1 2018 | Cantillon Capital Management | Sell | -34,194 | 1,686,034 | $376,306 |
| Q1 2018 | Causeway Capital Management | Sell | -20,957 | 3,581,355 | $799,323 |
| Q1 2018 | Longleaf Partners | Sell | -20,515 | 400,296 | $89,342 |
| Q1 2018 | Hancock Classic Value | Buy | 15,405 | 424,873 | $94,827 |
| Q1 2018 | Polen Capital Management | Buy | 4,942 | 20,853 | $4,654 |
| Q1 2018 | Tweedy, Browne Co All Funds (US) | Sell | -3,791 | 1,386,073 | $309,358 |
| Q1 2018 | Oakcliff Capital Partners | Buy | 1,900 | 43,100 | $9,619 |
| Q1 2018 | Sequoia Financial Advisors | Buy | 2 | 1,782 | $398 |
| Q4 2017 | Renaissance Technologies LLC | Sell | -247,300 | 555,500 | $130,104 |
| Q4 2017 | Cantillon Capital Management | Sell | -122,994 | 1,720,228 | $402,895 |
| Q4 2017 | Ariel Appreciation Fund | Buy | 94,145 | 1,185,923 | $277,755 |
| Q4 2017 | Dodge & Cox Stock Fund | Sell | -73,000 | 4,817,587 | $1,128,327 |
| Q4 2017 | ARK Invest | Buy | 54,817 | 150,481 | $35,244 |
| Q4 2017 | Causeway Capital Management | Sell | -30,380 | 3,602,312 | $843,697 |
| Q4 2017 | Tweedy, Browne Co All Funds (US) | Sell | -16,740 | 1,389,864 | $325,520 |
| Q4 2017 | Oakcliff Capital Partners | Sell | -12,000 | 41,200 | $9,649 |
| Q4 2017 | Hancock Classic Value | Sell | -9,346 | 409,468 | $95,902 |
| Q4 2017 | Polen Capital Management | Buy | 8,733 | 15,911 | $3,727 |
| Q4 2017 | Longleaf Partners | Sell | -5,403 | 420,811 | $98,558 |
Frequently asked questions about BIDU activity
Which institutional owners are buying BIDU?
Institutional owners buying BIDU include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in BIDU activity?
"Buy" means an investor increased their reported position in BIDU compared to the prior reporting period. This reflects growing exposure to BAIDU INC - SPON ADR (BIDU) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in BIDU increasing?
Institutional interest in BIDU can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related BIDU insights
- BIDU Overview
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- BIDU Institutional Selling
- BIDU Ownership Changes
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