William Blair & Company
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William Blair & Company’s Baidu BIDU Stock Holding History

William Blair & Company’s Portfolio BIDU Stock Details BIDU Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$4.23M Buy
36,998
+2,990
+9% +$370K 0.01% 562
2026
Q1 		$3.79M Sell
34,008
-205
-0.6% -$27.8K 0.01% 567
2025
Q4 		$4.47M Buy
34,213
+2,188
+7% +$272K 0.01% 549
2025
Q3 		$4.22M Buy
32,025
+583
+2% +$57.7K 0.01% 565
2025
Q2 		$2.7M Buy
31,442
+1,083
+4% +$93.5K 0.01% 645
2025
Q1 		$2.79M Buy
30,359
+3,580
+13% +$321K 0.01% 636
2024
Q4 		$2.26M Sell
26,779
-228
-0.8% -$20.8K 0.01% 686
2024
Q3 		$2.84M Sell
27,007
-192
-0.7% -$17K 0.01% 623
2024
Q2 		$2.35M Sell
27,199
-109
-0.4% -$11K 0.01% 651
2024
Q1 		$2.87M Sell
27,308
-232
-0.8% -$24.7K 0.01% 597
2023
Q4 		$3.28M Sell
27,540
-1,317
-5% -$152K 0.01% 554
2023
Q3 		$3.88M Sell
28,857
-11
-0% -$1.54K 0.01% 497
2023
Q2 		$3.95M Sell
28,868
-134
-0.5% -$17.5K 0.01% 496
2023
Q1 		$4.38M Sell
29,002
-685
-2% -$97.2K 0.02% 470
2022
Q4 		$3.4M Buy
29,687
+95
+0.3% +$9.69K 0.01% 513
2022
Q3 		$3.48M Buy
29,592
+360
+1% +$49.2K 0.02% 492
2022
Q2 		$4.35M Sell
29,232
-4,827
-14% -$638K 0.02% 444
2022
Q1 		$4.51M Sell
34,059
-12,060
-26% -$1.82M 0.02% 491
2021
Q4 		$6.86M Buy
46,119
+1,919
+4% +$300K 0.02% 418
2021
Q3 		$6.8M Buy
44,200
+1,839
+4% +$302K 0.02% 396
2021
Q2 		$8.64M Sell
42,361
-328
-0.8% -$65.6K 0.03% 350
2021
Q1 		$9.29M Buy
42,689
+326
+0.8% +$85.1K 0.04% 330
2020
Q4 		$9.16M Sell
42,363
-1,003
-2% -$149K 0.03% 321
2020
Q3 		$5.49M Buy
43,366
+6,078
+16% +$753K 0.02% 379
2020
Q2 		$4.47M Sell
37,288
-16,401
-31% -$1.75M 0.02% 400
2020
Q1 		$5.41M Sell
53,689
-501
-0.9% -$61K 0.03% 313
2019
Q4 		$6.85M Sell
54,190
-5,256
-9% -$598K 0.04% 330
2019
Q3 		$6.11M Sell
59,446
-6,157
-9% -$662K 0.04% 340
2019
Q2 		$7.7M Buy
65,603
+4,190
+7% +$597K 0.04% 303
2019
Q1 		$10.1M Buy
61,413
+1,147
+2% +$192K 0.06% 255
2018
Q4 		$9.56M Sell
60,266
-3,619
-6% -$675K 0.07% 240
2018
Q3 		$14.6M Sell
63,885
-3,246
-5% -$763K 0.09% 205
2018
Q2 		$16.3M Buy
67,131
+773
+1% +$192K 0.11% 180
2018
Q1 		$14.8M Buy
66,358
+3,554
+6% +$876K 0.1% 182
2017
Q4 		$14.7M Sell
62,804
-426
-0.7% -$104K 0.1% 201
2017
Q3 		$15.7M Buy
63,230
+2,788
+5% +$608K 0.12% 181
2017
Q2 		$10.8M Sell
60,442
-2,768
-4% -$501K 0.08% 227
2017
Q1 		$11M Buy
63,210
+1,254
+2% +$221K 0.09% 216
2016
Q4 		$10.2M Sell
61,956
-3,667
-6% -$624K 0.09% 213
2016
Q3 		$11.9M Sell
65,623
-386
-0.6% -$66.8K 0.11% 194
2016
Q2 		$10.9M Sell
66,009
-3,142
-5% -$552K 0.1% 195
2016
Q1 		$13.2M Sell
69,151
-21,029
-23% -$3.58M 0.12% 175
2015
Q4 		$17M Sell
90,180
-4,524
-5% -$834K 0.16% 147
2015
Q3 		$13M Sell
94,704
-1,352,083
-93% -$223M 0.11% 195
2015
Q2 		$288M Sell
1,446,787
-101,209
-7% -$20.7M 0.43% 34
2015
Q1 		$323M Buy
1,547,996
+100,295
+7% +$21.5M 0.5% 22
2014
Q4 		$330M Sell
1,447,701
-121,123
-8% -$27.8M 0.53% 11
2014
Q3 		$342M Buy
1,568,824
+407,457
+35% +$86.1M 0.59% 8
2014
Q2 		$217M Sell
1,161,367
-393,428
-25% -$64.4M 0.35% 58
2014
Q1 		$237M Sell
1,554,795
-196,907
-11% -$32.9M 0.39% 50
2013
Q4 		$312M Buy
1,751,702
+1,251,216
+250% +$202M 0.52% 22
2013
Q3 		$77.7M Buy
500,486
+413,385
+475% +$53.3M 0.14% 224
2013
Q2 		$8.24M Buy
+87,101
New +$8.03M 0.02% 782

Other funds holding BIDU

Primecap Management
Primecap Management Pasadena, California $169B AUM 114.72% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
Robeco Institutional Asset Management
Robeco Institutional Asset Management Rotterdam, Netherlands $81.4B AUM 40.71% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.55T AUM 33.47% 1-Year Est. Return
AL
Appaloosa LP Short Hills, New Jersey $7.73B AUM 104.51% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $38.9B AUM 28.51% 1-Year Est. Return
FCM
Farallon Capital Management San Francisco, California $21.7B AUM 79.24% 1-Year Est. Return
Holocene Advisors
Holocene Advisors New York $44.4B AUM 57.89% 1-Year Est. Return

William Blair & Company's BIDU Position: Q2 2026 in Review

William Blair & Company increased its Baidu (BIDU) stake by 8.8% in Q2 2026, buying an estimated $370K and bringing the position to 36,998 shares worth $4.23M. The position accounts for 0.01% of the portfolio, ranked #562.

William Blair & Company first reported a position in BIDU in Q2 2013 and has held it in 53 quarters since. The position peaked at $342M in Q3 2014. 492 funds tracked by Wall St. Rank hold BIDU as of Q2 2026.

  • William Blair & Company held 36,998 shares of Baidu worth $4.23M as of Q2 2026.
  • William Blair & Company bought 2,990 Baidu shares in Q2 2026, an estimated $370K.
  • Baidu made up 0.01% of William Blair & Company's portfolio in Q2 2026, its #562 holding.
  • William Blair & Company first reported a position in Baidu in Q2 2013 and has held it in 53 quarters since.
  • William Blair & Company's Baidu position peaked at $342M in Q3 2014.
  • 492 funds tracked by Wall St. Rank held Baidu as of Q2 2026.

Based on William Blair & Company's 13F filing for Q2 2026, filed 11 Aug 2026.