Does Marshall Wace own BIDU stock?

Yes. As of its Q2 2026 13F, Marshall Wace holds 293,006 shares of BIDU (Baidu), worth $33.5M.

How many shares of BIDU does Marshall Wace own?

As of its Q2 2026 13F, Marshall Wace holds 293,006 shares of BIDU (Baidu).

As of its Q2 2026 13F, Marshall Wace's BIDU position is worth $33.5M.

In Q2 2026, Marshall Wace increased its BIDU position by 43,599 shares (+17.5%).

Marshall Wace already held BIDU in its Q4 2018 13F, the earliest on record, and has listed it in 22 quarterly 13F filings.

Position history for MWMARSHALL WACE, LLP's holdings in BAIDU INC

Current Value

$33.5M

Current Shares

293,006

Total Value Change

+$32.8M

Total Shares Change

+288,914

Quarter-by-Quarter History

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Increased	293,006	+17.5%	$33.5M	0.0%	$114.29	34
2026-Q1	Decreased	249,407	-53.4%	$27.8M	0.0%	$111.42	0
2025-Q4	Increased	535,653	+174.2%	$70M	0.1%	$130.66	48
2025-Q3	Increased	195,333	+133.4%	$25.7M	0.0%	$131.77	46
2025-Q2	Decreased	83,700	-52.9%	$7.2M	0.0%	$85.76	0
2025-Q1	New	177,556	-	$16.3M	0.0%	$92.03	39
2023-Q4	Exited	0	-100.0%	$0	0.0%	$119.09	0
2023-Q3	New	315,873	-	$42.4M	0.1%	$134.35	40
2023-Q1	Exited	0	-100.0%	$0	0.0%	$150.92	0
2022-Q4	Increased	303,155	+1163.4%	$34.7M	0.1%	$114.38	47
2022-Q3	Decreased	23,995	-22.3%	$2.8M	0.0%	$117.49	0
2022-Q2	Decreased	30,864	-77.6%	$4.6M	0.0%	$148.73	0
2022-Q1	Increased	137,568	+67.3%	$18.2M	0.0%	$132.30	42
2021-Q4	Decreased	82,209	-9.3%	$12.2M	0.0%	$148.79	0
2021-Q3	Increased	90,610	+7.8%	$13.9M	0.1%	$153.75	30
2021-Q2	Decreased	84,044	-86.9%	$17.1M	0.1%	$203.90	0
2021-Q1	Increased	640,090	+709.7%	$139.3M	0.6%	$217.55	69
2020-Q4	New	79,051	-	$17.1M	0.1%	$216.24	39
2020-Q3	Exited	0	-100.0%	$0	0.0%	$126.59	0
2020-Q2	Decreased	69,787	-73.4%	$8.4M	0.1%	$119.89	0
2020-Q1	Increased	262,003	+1445.7%	$26.4M	0.3%	$100.79	55
2019-Q4	New	16,951	-	$2.1M	0.0%	$126.40	36
2019-Q3	Exited	0	-100.0%	$0	0.0%	$102.76	0
2019-Q2	Increased	161,383	+37.5%	$18.9M	0.2%	$117.36	44
2019-Q1	Increased	117,336	+2767.4%	$19.3M	0.2%	$164.85	55
2018-Q4	First report	4,092	-	$649,000	0.0%	$158.60	0