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Data from SEC EDGAR filings: company financials and 13F holdings.

Disclaimer: QW Research is provided for informational and educational purposes only and is not investment advice, a recommendation, or an offer to buy or sell any security. Data is derived from public SEC 13F filings and may be incomplete, delayed, or inaccurate. Do not make investment decisions based on this content. QW Research does not share in any profits and accepts no liability for any losses or decisions made using this information. Past performance does not predict future results.

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BIDUN — Fundamentals, Valuation & Ownership | QW Research

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BAIDU INC (BIDUN)

Highly Crowded

Held by 491 of 5,944 reporting institutions (97th percentile) — extremely crowded.

Data as of Q1 2026

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Institutional Ownership

—

of shares outstanding · 491 funds hold it

Ownership Change

—

vs last quarter

Crowding

97ᵗʰ pctl

more crowded than 97% of tracked stocks

Institutional Value

$7.7B

total position value across all 13F filers

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Institutional Holders

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No collected fundamentals for a capital-allocation analysis.

Buy / Sell Volume by Quarter

Total shares institutions bought (green) vs sold (red) each quarter across all holders.

Inferred from quarter-over-quarter change in each fund's 13F position (new stakes count as buys, exits as sells). Not tick-level trades.

No collected fundamentals for a debt & leverage analysis.

No collected fundamentals to build a valuation model.

No collected fundamentals for a quality & risk analysis.

No collected fundamentals for a dividends & returns analysis.

No sector peer set for this ticker (missing sector classification, or too few peers with collected financials).

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Institutional Trends (8 Quarters)

No trend data available for this metric.

Crowding AnalysisHighly Crowded

Holders491of 5,944

Avg: 68

Uncrowded97th percentileCrowded

Institutional Activity

Buy/Sell Ratio0.96x

91th percentile

256 buying267 selling

+80

New

-106

Closed

-9,457,145

Net shares

Ownership Concentration

Top 5: 42.3%Top 10: 55.6%

PRIMECAP MANAGEMENT CO/CA/15.4%

MORGAN STANLEY9.1%

SUSQUEHANNA INTERNATIONAL GROUP, LLP8.0%

UBS Group AG5.1%

CITADEL ADVISORS4.7%

Others (486)57.7%

Crowding AnalysisHighly Crowded

Holders491of 5,944

Avg: 68

Uncrowded97th percentileCrowded

Institutional Activity

Buy/Sell Ratio0.96x

91th percentile

256 buying267 selling

+80

New

-106

Closed

-9,457,145

Net shares

Ownership Concentration

Top 5: 42.3%Top 10: 55.6%

PRIMECAP MANAGEMENT CO/CA/15.4%

MORGAN STANLEY9.1%

SUSQUEHANNA INTERNATIONAL GROUP, LLP8.0%

UBS Group AG5.1%

CITADEL ADVISORS4.7%

Others (486)57.7%

Ownership Map

Top 40 institutional holders — bubble size is position value, color is the move since last quarter. Hover any holder for detail.

Size by

Drag any bubble to rearrange · size = dollar value of the position

Ownership Map

Top 40 institutional holders — bubble size is position value, color is the move since last quarter. Hover any holder for detail.

Size by

Drag any bubble to rearrange · size = dollar value of the position

Conviction-Weighted Ownership

Median weight: 0.05%Avg weight: 0.15%Max: 0.97%High conviction (>1%): 0

PRIMECAP MANAGEMENT CO/CA/

SUSQUEHANNA INTERNATIONAL GROUP, LLP

CITADEL ADVISORS

JANE STREET GROUP,

Robeco Institutional Asset Management B.V.

GOLDMAN SACHS GROUP

DIMENSIONAL FUND ADVISORS

Not enough quarter-end price history for a performance view. (Run collect_prices.py for this ticker.)