WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC

13F Portfolio Filings

Most recent 13F
Q2 2026
Also reports for
Based on Q2 2026 13F notices
Location
Chicago, IL
CIK
0001644956
All SEC filings
View on sec.gov
Holdings Value
Quarter Holdings Value ($000) Top Holdings Form Type Date Filed Filing ID
Q2 2026 403 33,254,908 TSM, NVDA, GOOGL, AAPL 13F-HR 8/12/2026 000164495626000023
Q1 2026 413 30,260,249 TSM, NVDA, AAPL, MSFT 13F-HR 5/8/2026 000164495626000021
Q4 2025 413 35,851,583 NVDA, TSM, MSFT, AAPL 13F-HR 2/9/2026 000164495626000007
Q3 2025 414 38,674,037 NVDA, MSFT, TSM, AAPL 13F-HR 11/12/2025 000164495625000045
Q2 2025 417 37,679,982 MSFT, NVDA, TSM, AMZN 13F-HR 7/29/2025 000164495625000032
Q1 2025 423 35,621,637 MSFT, NVDA, TSM, AMZN 13F-HR 5/9/2025 000164495625000018
Q4 2024 433 40,939,661 MSFT, NVDA, TSM, AMZN 13F-HR 2/10/2025 000164495625000002
Q3 2024 412 40,534,351 MSFT, NVDA, TSM, AAPL 13F-HR 11/8/2024 000164495624000009
Q2 2024 411 38,120,368 MSFT, NVDA, TSM, GOOGL 13F-HR 8/8/2024 000164495624000006
Q1 2024 410 38,687,455 MSFT, TSM, GOOGL, AMZN 13F-HR 5/8/2024 000164495624000004
Q4 2023 406 34,363,339 MSFT, TSM, GOOGL, AMZN 13F-HR 2/9/2024 000164495624000002
Q3 2023 398 30,093,063 MSFT, TSM, GOOGL, AMZN 13F-HR 11/9/2023 000164495623000006
Q2 2023 395 31,184,946 MSFT, TSM, GOOGL, AMZN 13F-HR 8/10/2023 000164495623000004
Q1 2023 393 28,699,363 TSM, MSFT, GOOGL, MELI 13F-HR 5/12/2023 000164495623000003
Q4 2022 401 26,141,510 MSFT, TSM, LIN, MA 13F-HR 2/9/2023 000164495623000002
Q3 2022 387 25,300,876 MSFT, TSM, AMZN, GOOGL 13F-HR 11/9/2022 000164495622000009
Q2 2022 403 26,983,859 MSFT, TSM, GOOGL, AMZN 13F-HR 8/10/2022 000164495622000007
Q1 2022 441 33,470,556 TSM, MSFT, AMZN, GOOGL 13F-HR 5/11/2022 000164495622000004
Q4 2021 427 37,009,993 TSM, MSFT, BLDR, AMZN 13F-HR 2/14/2022 000164495622000002
Q3 2021 431 35,457,365 TSM, MSFT, SE, MELI 13F-HR 11/10/2021 000164495621000005
Q2 2021 465 31,867,471 TSM, SPY, MSFT, AMZN 13F-HR 8/12/2021 000164495621000004
Q1 2021 367 30,878,987 TSM, SPY, BWXT, MSFT 13F-HR 5/12/2021 000164495621000003
Q4 2020 356 30,036,160 TSM, SPY, MELI, BWXT 13F-HR 2/9/2021 000164495621000001
Q3 2020 343 25,666,025 TSM, SPY, HZNP, AMZN 13F-HR 11/6/2020 000164495620000008
Q2 2020 341 24,566,283 TSM, SPY, NTES, BWXT 13F-HR 8/12/2020 000164495620000006
Q1 2020 339 20,547,647 BABA, TSM, SPY, NTES 13F-HR 5/8/2020 000164495620000004
Q4 2019 356 25,094,282 BABA, TSM, SPY, BWXT 13F-HR 2/12/2020 000164495620000002
Q3 2019 357 23,381,411 BABA, TSM, SPY, BWXT 13F-HR 11/12/2019 000164495619000006
Q2 2019 372 23,833,388 BABA, TSM, SPY, CPRT 13F-HR 8/9/2019 000164495619000005
Q1 2019 406 23,762,098 BABA, TSM, SPY, CPRT 13F-HR 5/10/2019 000164495619000004
Q4 2018 404 20,131,951 BABA, TSM, SPY, CPRT 13F-HR 2/13/2019 000164495619000002
Q3 2018 419 28,886,194 BABA, TSM, SPY, TD 13F-HR 11/13/2018 000164495618000007
Q2 2018 476 26,874,947 BABA, SPY, TSM, CPRT 13F-HR 8/14/2018 000164495618000005
Q1 2018 432 26,187,773 BABA, TSM, SPY, CPRT 13F-HR 5/14/2018 000164495618000004
Q4 2017 427 25,729,468 BABA, TSM, SPY, CPRT RESTATEMENT 2/16/2018 000164495618000003
Q3 2017 433 27,923,928 BABA, TSM, CNI, CSGP 13F-HR 11/13/2017 000114420417058195
Q2 2017 447 27,489,580 BABA, TSM, SPY, CSGP 13F-HR 8/4/2017 000114420417040501
Q1 2017 432 26,476,249 BABA, TSM, SPY, VNTV 13F-HR 5/10/2017 000114420417026093
Q4 2016 434 25,044,531 TSM, SPY, BABA, TD 13F-HR 2/14/2017 000114420417008319
Q3 2016 442 26,422,916 TSM, BABA, NTES, SPY 13F-HR 11/14/2016 000114420416133825
Q2 2016 451 25,296,242 TSM, SPY, DG, MD 13F-HR 8/8/2016 000114420416116968
Q1 2016 450 25,227,039 TSM, DG, AMG, SPY 13F-HR 5/16/2016 000114420416101983
Q4 2015 444 24,686,427 TSM, SPY, TEVA, AMG 13F-HR 2/16/2016 000114420416082316
Q3 2015 1,068 48,988,219 INTESA SANPAOLO, TENCENT HOLDINGS LTD, SAMSUNG ELECTRONICS CO LTD, FUJI HEAVY INDUSTRIES LTD 13F-HR 11/12/2015 000114420415064414
Additional filings from William Blair Investment Management, LLC that have since been restated

13D and 13G Filings

All 13D and 13G filings

Investors who own more than 5% of a class must file a Schedule 13D or 13G.

28 securities where the latest filing since 12/18/2024 is a 13G, the newest filed 8/11/2026. View all