13F Filings History of WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC

Latest 13F report
Q4 2025 - 09 Feb 2026
Value $
$35,851,583,813
Signature - Title
Telmo Martins - Chief Compliance Officer
Location
Chicago, IL
Summary
This page shows a list of all the recent 13F filings made by WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC. Form 13F is required to be filed within 45 days of the end of a calendar quarter. WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC reported 413 stock holdings with total value $35,851,583,813 as of Q4 2025. Top holdings included NVDA, TSM, MSFT, AAPL, and AMZN.

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Holdings Value
Quarter Holdings Value $ Bought Sold Net Top Holdings Form Type Filing Time
Q4 2025 413 $35,851,583,813 +$3,880,161,854 -$6,753,226,742 -$2,873,064,888 NVDA, TSM, MSFT, AAPL, AMZN 13F-HR 09 Feb 2026, 09:52
Q3 2025 414 $38,674,037,043 +$4,091,609,162 -$5,502,563,336 -$1,410,954,174 NVDA, MSFT, TSM, AAPL, AMZN 13F-HR 12 Nov 2025, 11:25
Q2 2025 417 $37,679,982,960 +$3,983,663,070 -$5,967,296,837 -$1,983,633,767 MSFT, NVDA, TSM, AMZN, AAPL 13F-HR 29 Jul 2025, 14:54
Q1 2025 423 $35,621,637,487 +$3,415,443,107 -$5,288,258,868 -$1,872,815,761 MSFT, NVDA, TSM, AMZN, AAPL 13F-HR 09 May 2025, 10:57
Q4 2024 433 $40,939,661,997 +$6,186,564,304 -$6,062,257,284 +$124,307,020 MSFT, NVDA, TSM, AMZN, AAPL 13F-HR 10 Feb 2025, 16:54
Q3 2024 412 $40,534,351,361 +$5,395,406,537 -$4,934,246,112 +$461,160,425 MSFT, NVDA, TSM, AAPL, AMZN 13F-HR 08 Nov 2024, 12:39
Q2 2024 411 $38,120,368,270 +$6,196,157,841 -$4,910,447,393 +$1,285,710,448 MSFT, NVDA, TSM, GOOGL, AMZN 13F-HR 08 Aug 2024, 16:34
Q1 2024 410 $38,687,455,009 +$3,623,083,833 -$2,696,771,703 +$926,312,130 MSFT, TSM, GOOGL, AMZN, NVDA 13F-HR 08 May 2024, 16:05
Q4 2023 406 $34,363,339,372 +$2,966,089,671 -$2,773,794,500 +$192,295,171 MSFT, TSM, GOOGL, AMZN, MELI 13F-HR 09 Feb 2024, 11:59
Q3 2023 398 $30,093,063,125 +$3,465,776,516 -$3,066,870,430 +$398,906,086 MSFT, TSM, GOOGL, AMZN, MELI 13F-HR 09 Nov 2023, 16:00
Q2 2023 395 $31,184,946,453 +$3,735,010,730 -$3,279,921,045 +$455,089,685 MSFT, TSM, GOOGL, AMZN, LIN 13F-HR 10 Aug 2023, 18:04
Q1 2023 393 $28,699,363,743 +$3,477,812,328 -$2,794,170,258 +$683,642,070 TSM, MSFT, GOOGL, MELI, LIN 13F-HR 12 May 2023, 09:40
Q4 2022 401 $26,141,510,588 +$2,101,151,694 -$3,072,391,440 -$971,239,746 MSFT, TSM, LIN, MA, GOOGL 13F-HR 09 Feb 2023, 16:38
Q3 2022 387 $25,300,876,000 +$2,412,306,228 -$2,755,077,510 -$342,771,282 MSFT, TSM, AMZN, GOOGL, LIN 13F-HR 09 Nov 2022, 14:47
Q2 2022 401 $26,983,859,000 +$3,303,946,500 -$2,787,199,947 +$516,746,553 MSFT, TSM, GOOGL, AMZN, MA 13F-HR 10 Aug 2022, 13:40
Q1 2022 439 $33,469,611,000 +$3,754,780,402 -$3,582,827,165 +$171,953,237 TSM, MSFT, AMZN, GOOGL, CNI 13F-HR 11 May 2022, 15:00
Q4 2021 427 $37,009,993,000 +$4,351,428,318 -$3,816,542,564 +$534,885,754 TSM, MSFT, BLDR, AMZN, GOOGL 13F-HR 11 Feb 2022, 18:01
Q3 2021 430 $35,457,365,000 +$6,313,224,502 -$2,956,716,340 +$3,356,508,162 TSM, MSFT, SE, MELI, BLDR 13F-HR 10 Nov 2021, 16:15
Q2 2021 464 $31,867,471,000 +$2,627,878,413 -$3,118,815,845 -$490,937,432 TSM, SPY, MSFT, AMZN, BWXT 13F-HR 12 Aug 2021, 16:14
Q1 2021 367 $30,878,987,000 +$3,417,786,204 -$3,648,207,680 -$230,421,476 TSM, SPY, BWXT, MSFT, CNI 13F-HR 12 May 2021, 17:53
Q4 2020 356 $30,036,160,000 +$2,626,018,073 -$3,458,924,450 -$832,906,377 TSM, SPY, MELI, BWXT, SE 13F-HR 08 Feb 2021, 21:57
Q3 2020 343 $25,666,025,000 +$1,951,956,356 -$3,394,569,938 -$1,442,613,582 TSM, SPY, HZNP, AMZN, BWXT 13F-HR 06 Nov 2020, 13:36
Q2 2020 341 $24,566,283,000 +$3,062,410,184 -$3,957,469,211 -$895,059,027 TSM, SPY, NTES, BWXT, AMZN 13F-HR 12 Aug 2020, 12:18
Q1 2020 339 $20,421,037,000 +$3,051,439,764 -$3,343,013,954 -$291,574,190 BABA, TSM, SPY, NTES, BWXT 13F-HR 08 May 2020, 16:14
Q4 2019 355 $25,094,282,000 +$2,444,725,477 -$2,515,315,993 -$70,590,516 BABA, TSM, SPY, BWXT, BAM 13F-HR 12 Feb 2020, 17:26
Q3 2019 357 $23,381,411,000 +$2,315,196,018 -$2,716,920,523 -$401,724,505 BABA, TSM, SPY, BWXT, BAM 13F-HR 12 Nov 2019, 11:03
Q2 2019 371 $23,833,388,000 +$2,729,110,334 -$3,840,232,710 -$1,111,122,376 BABA, TSM, SPY, CPRT, BWXT 13F-HR 09 Aug 2019, 15:43
Q1 2019 406 $23,762,098,000 +$2,263,726,567 -$1,885,491,408 +$378,235,159 BABA, TSM, SPY, CPRT, CSGP 13F-HR 10 May 2019, 15:00
Q4 2018 403 $20,129,168,000 +$1,846,399,588 -$5,886,264,153 -$4,039,864,565 BABA, TSM, SPY, CPRT, RCI 13F-HR 13 Feb 2019, 10:25
Q3 2018 418 $28,669,748,000 +$2,783,552,603 -$2,543,023,512 +$240,529,091 BABA, TSM, SPY, TD, CSGP 13F-HR 13 Nov 2018, 11:44
Q2 2018 476 $26,874,947,000 +$3,297,883,018 -$3,496,612,788 -$198,729,770 BABA, SPY, TSM, CPRT, CSGP 13F-HR 14 Aug 2018, 10:17
Q1 2018 432 $26,187,773,000 +$3,492,932,348 -$3,989,284,244 -$496,351,896 BABA, TSM, SPY, CPRT, CSGP 13F-HR 14 May 2018, 16:21
Q4 2017 427 $25,729,468,000 +$2,628,246,489 -$6,362,782,597 -$3,734,536,108 BABA, TSM, SPY, CPRT, CNI Restatement 16 Feb 2018, 15:43
Q3 2017 433 $27,923,928,000 +$2,461,493,520 -$3,753,311,249 -$1,291,817,729 BABA, TSM, CNI, CSGP, BWXT 13F-HR 13 Nov 2017, 13:31
Q2 2017 447 $27,489,580,000 +$3,142,696,133 -$3,324,600,525 -$181,904,392 BABA, TSM, SPY, CSGP, CNI 13F-HR 04 Aug 2017, 12:13
Q1 2017 432 $26,476,249,000 +$3,608,383,016 -$3,938,776,910 -$330,393,894 BABA, TSM, SPY, VNTV, CPRT 13F-HR 10 May 2017, 16:42
Q4 2016 433 $25,044,014,000 +$3,427,380,467 -$4,094,544,115 -$667,163,648 TSM, SPY, BABA, TD, VNTV 13F-HR 14 Feb 2017, 09:52
Q3 2016 439 $25,934,737,000 +$2,709,961,129 -$3,167,734,697 -$457,773,568 TSM, BABA, NTES, SPY, TDG 13F-HR 14 Nov 2016, 10:32
Q2 2016 451 $25,168,815,000 +$2,820,364,757 -$3,366,938,263 -$546,573,506 TSM, SPY, DG, MD, CSGP 13F-HR 05 Aug 2016, 17:54
Q1 2016 450 $25,227,039,000 +$4,260,604,326 -$3,697,762,391 +$562,841,935 TSM, DG, AMG, SPY, IWD 13F-HR 13 May 2016, 19:53
Q4 2015 444 $24,686,427,000 +$5,631,761,571 -$30,619,632,779 -$24,987,871,208 TSM, SPY, TEVA, AMG, DG 13F-HR 16 Feb 2016, 13:13
Q3 2015 1,066 $48,795,217,000 $0 $0 $0 INTESA SANPAOLO, TENCENT HOLDINGS LTD, SAMSUNG ELECTRONICS CO LTD, FUJI HEAVY INDUSTRIES LTD, AIA GROUP LTD 13F-HR 12 Nov 2015, 09:24