Filed: 8/12/2026ACC: 0001644956-26-000023
📋 What this filing means
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC filed this quarterly 13F‑HR report disclosing 403 equity positions with a total reported market value of $33.25B. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
403
Positions
$33.25B
Total AUM (reported)
364.83M
Total Shares
Allocation by class
COM$20.76B62.4%
SPONSORED ADS$2.67B8.0%
CL A$2.60B7.8%
CAP STK CL A$1.14B3.4%
COM NEW$1.03B3.1%
COM SHS$640.30M1.9%
COM CL A$633.77M1.9%
Portfolio Concentration
Top 3$5.22B15.7%
4–10$4.41B13.3%
11–25$4.00B12.0%
Rest$19.63B59.0%
Top 3 weight
15.7%
Top 10 weight
28.9%
Voting Authority Distribution
Total shares with voting rights: 364.83M
Sole
Full voting authority
304.19M
shares
% of voting shares83.4%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
60.65M
shares
% of voting shares16.6%
Investment Discretion (by position count)
Sole403
Shared0
Other0
Dominant voting typeSole · 83.4% of voting shares
Institutional Holdings403
Rows:
TAIWAN SEMICONDUCTOR MANUFAC
SOLEShares4.94M
TypeSH
Market value$2.36B
7.09%
Sole
3.84M
Shared
0.00
None
1.10M
NVIDIA CORPORATION
SOLEShares8.60M
TypeSH
Market value$1.72B
5.17%
Sole
7.59M
Shared
0.00
None
1M
ALPHABET INC
SOLEShares3.19M
TypeSH
Market value$1.14B
3.43%
Sole
2.79M
Shared
0.00
None
397.58K
APPLE INC
SOLEShares3.26M
TypeSH
Market value$943.29M
2.84%
Sole
2.86M
Shared
0.00
None
394.94K
BROADCOM INC
SOLEShares2.06M
TypeSH
Market value$776.71M
2.34%
Sole
1.83M
Shared
0.00
None
228.99K
MICROSOFT CORP
SOLEShares2.05M
TypeSH
Market value$764.18M
2.30%
Sole
1.81M
Shared
0.00
None
240.01K
META PLATFORMS INC
SOLEShares950.12K
TypeSH
Market value$535.19M
1.61%
Sole
842K
Shared
0.00
None
108.11K
AMAZON COM INC
SOLEShares1.99M
TypeSH
Market value$473.60M
1.42%
Sole
1.75M
Shared
0.00
None
235.84K
MASTERCARD INCORPORATED
SOLEShares918K
TypeSH
Market value$471.49M
1.42%
Sole
809.77K
Shared
0.00
None
108.24K
ADVANCED MICRO DEVICES INC
SOLEShares763.52K
TypeSH
Market value$443.53M
1.33%
Sole
683.60K
Shared
0.00
None
79.92K
APPLIED MATLS INC
SOLEShares497.95K
TypeSH
Market value$360.01M
1.08%
Sole
435.06K
Shared
0.00
None
62.89K
GE AEROSPACE
SOLEShares790.80K
TypeSH
Market value$295.55M
0.89%
Sole
706.22K
Shared
0.00
None
84.59K
ASTRAZENECA PLC
SOLEShares1.51M
TypeSH
Market value$283.25M
0.85%
Sole
1.22M
Shared
0.00
None
293.33K
PRIMO BRANDS CORPORATION
SOLEShares11.43M
TypeSH
Market value$279.27M
0.84%
Sole
10.52M
Shared
0.00
None
909.40K
EVERPURE INC
SOLEShares3.46M
TypeSH
Market value$272.25M
0.82%
Sole
3.34M
Shared
0.00
None
115.23K
AMPHENOL CORP
SOLEShares1.54M
TypeSH
Market value$270.66M
0.81%
Sole
1.35M
Shared
0.00
None
183.81K
LINDE PLC
SOLEShares504.95K
TypeSH
Market value$262.04M
0.79%
Sole
432.91K
Shared
0.00
None
72.05K
ONTO INNOVATION INC
SOLEShares665.38K
TypeSH
Market value$251.81M
0.76%
Sole
622.99K
Shared
0.00
None
42.39K
BORGWARNER INC
SOLEShares3.78M
TypeSH
Market value$251.30M
0.76%
Sole
3.43M
Shared
0.00
None
351.58K
CARLYLE GROUP INC
SOLEShares5.91M
TypeSH
Market value$249.08M
0.75%
Sole
5.46M
Shared
0.00
None
454.10K
ARGENX SE
SOLEShares264.62K
TypeSH
Market value$245.49M
0.74%
Sole
214.18K
Shared
0.00
None
50.44K
MUELLER INDS INC
SOLEShares1.99M
TypeSH
Market value$244.16M
0.73%
Sole
1.88M
Shared
0.00
None
101.28K
MONSTER BEVERAGE CORP NEW
SOLEShares2.54M
TypeSH
Market value$243.97M
0.73%
Sole
2.25M
Shared
0.00
None
288.23K
F5 INC
SOLEShares586.27K
TypeSH
Market value$243.87M
0.73%
Sole
564.45K
Shared
0.00
None
21.82K
CREDICORP LTD
SOLEShares625.14K
TypeSH
Market value$243.54M
0.73%
Sole
496.59K
Shared
0.00
None
128.55K
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
TAIWAN SEMICONDUCTOR MANUFACSOLE | SPONSORED ADS | 4.94M | SH | $2.36B 7.09% | 3.84M | 0.00 | 1.10M |
NVIDIA CORPORATIONSOLE | COM | 8.60M | SH | $1.72B 5.17% | 7.59M | 0.00 | 1M |
ALPHABET INCSOLE | CAP STK CL A | 3.19M | SH | $1.14B 3.43% | 2.79M | 0.00 | 397.58K |
APPLE INCSOLE | COM | 3.26M | SH | $943.29M 2.84% | 2.86M | 0.00 | 394.94K |
BROADCOM INCSOLE | COM | 2.06M | SH | $776.71M 2.34% | 1.83M | 0.00 | 228.99K |
MICROSOFT CORPSOLE | COM | 2.05M | SH | $764.18M 2.30% | 1.81M | 0.00 | 240.01K |
META PLATFORMS INCSOLE | CL A | 950.12K | SH | $535.19M 1.61% | 842K | 0.00 | 108.11K |
AMAZON COM INCSOLE | COM | 1.99M | SH | $473.60M 1.42% | 1.75M | 0.00 | 235.84K |
MASTERCARD INCORPORATEDSOLE | CL A | 918K | SH | $471.49M 1.42% | 809.77K | 0.00 | 108.24K |
ADVANCED MICRO DEVICES INCSOLE | COM | 763.52K | SH | $443.53M 1.33% | 683.60K | 0.00 | 79.92K |
APPLIED MATLS INCSOLE | COM | 497.95K | SH | $360.01M 1.08% | 435.06K | 0.00 | 62.89K |
GE AEROSPACESOLE | COM NEW | 790.80K | SH | $295.55M 0.89% | 706.22K | 0.00 | 84.59K |
ASTRAZENECA PLCSOLE | ORD | 1.51M | SH | $283.25M 0.85% | 1.22M | 0.00 | 293.33K |
PRIMO BRANDS CORPORATIONSOLE | CLASS A COM SHS | 11.43M | SH | $279.27M 0.84% | 10.52M | 0.00 | 909.40K |
EVERPURE INCSOLE | CL A | 3.46M | SH | $272.25M 0.82% | 3.34M | 0.00 | 115.23K |
AMPHENOL CORPSOLE | CL A | 1.54M | SH | $270.66M 0.81% | 1.35M | 0.00 | 183.81K |
LINDE PLCSOLE | SHS | 504.95K | SH | $262.04M 0.79% | 432.91K | 0.00 | 72.05K |
ONTO INNOVATION INCSOLE | COM | 665.38K | SH | $251.81M 0.76% | 622.99K | 0.00 | 42.39K |
BORGWARNER INCSOLE | COM | 3.78M | SH | $251.30M 0.76% | 3.43M | 0.00 | 351.58K |
CARLYLE GROUP INCSOLE | COM | 5.91M | SH | $249.08M 0.75% | 5.46M | 0.00 | 454.10K |
ARGENX SESOLE | SPONSORED ADR | 264.62K | SH | $245.49M 0.74% | 214.18K | 0.00 | 50.44K |
MUELLER INDS INCSOLE | COM | 1.99M | SH | $244.16M 0.73% | 1.88M | 0.00 | 101.28K |
MONSTER BEVERAGE CORP NEWSOLE | COM | 2.54M | SH | $243.97M 0.73% | 2.25M | 0.00 | 288.23K |
F5 INCSOLE | COM | 586.27K | SH | $243.87M 0.73% | 564.45K | 0.00 | 21.82K |
CREDICORP LTDSOLE | COM | 625.14K | SH | $243.54M 0.73% | 496.59K | 0.00 | 128.55K |
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