Filed: 2/9/2026ACC: 0001644956-26-000007
📋 What this filing means
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC filed this quarterly 13F‑HR report disclosing 413 equity positions with a total reported market value of $35.85B. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
413
Positions
$35.85B
Total AUM (reported)
502.99M
Total Shares
Allocation by class
COM$23.68B66.0%
CL A$2.98B8.3%
SPONSORED ADS$1.85B5.1%
CAP STK CL A$987.51M2.8%
COM CL A$907.61M2.5%
SHS$699.29M2.0%
COM NEW$668.82M1.9%
Portfolio Concentration
Top 3$5.49B15.3%
4–10$6.18B17.2%
11–25$4.46B12.4%
Rest$19.72B55.0%
Top 3 weight
15.3%
Top 10 weight
32.6%
Voting Authority Distribution
Total shares with voting rights: 502.99M
Sole
Full voting authority
428.16M
shares
% of voting shares85.1%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
74.83M
shares
% of voting shares14.9%
Investment Discretion (by position count)
Sole413
Shared0
Other0
Dominant voting typeSole · 85.1% of voting shares
Institutional Holdings413
Rows:
NVIDIA CORPORATION
SOLEShares10.63M
TypeSH
Market value$1.98B
5.53%
Sole
9.38M
Shared
0.00
None
1.25M
TAIWAN SEMICONDUCTOR MFG LTD
SOLEShares5.99M
TypeSH
Market value$1.82B
5.07%
Sole
4.69M
Shared
0.00
None
1.30M
MICROSOFT CORP
SOLEShares3.49M
TypeSH
Market value$1.69B
4.71%
Sole
3.08M
Shared
0.00
None
409.32K
APPLE INC
SOLEShares5.44M
TypeSH
Market value$1.48B
4.13%
Sole
4.81M
Shared
0.00
None
630.02K
AMAZON COM INC
SOLEShares4.39M
TypeSH
Market value$1.01B
2.82%
Sole
3.89M
Shared
0.00
None
498.01K
ALPHABET INC
SOLEShares3.15M
TypeSH
Market value$987.51M
2.75%
Sole
2.78M
Shared
0.00
None
370.94K
BROADCOM INC
SOLEShares2.54M
TypeSH
Market value$877.92M
2.45%
Sole
2.23M
Shared
0.00
None
303.49K
META PLATFORMS INC
SOLEShares1.19M
TypeSH
Market value$783.37M
2.19%
Sole
1.05M
Shared
0.00
None
139.57K
MASTERCARD INCORPORATED
SOLEShares1.08M
TypeSH
Market value$619.37M
1.73%
Sole
959.66K
Shared
0.00
None
125.28K
CARLYLE GROUP INC
SOLEShares7.13M
TypeSH
Market value$421.57M
1.18%
Sole
6.59M
Shared
0.00
None
539.80K
TRANSUNION
SOLEShares3.97M
TypeSH
Market value$340.04M
0.95%
Sole
3.60M
Shared
0.00
None
366.41K
MERCADOLIBRE INC
SOLEShares165.58K
TypeSH
Market value$333.52M
0.93%
Sole
133.11K
Shared
0.00
None
32.47K
SERVICENOW INC
SOLEShares2.15M
TypeSH
Market value$329.17M
0.92%
Sole
1.91M
Shared
0.00
None
238.12K
NU HLDGS LTD
SOLEShares18.70M
TypeSH
Market value$313.03M
0.87%
Sole
15.52M
Shared
0.00
None
3.18M
SEA LTD
SOLEShares2.37M
TypeSH
Market value$302.42M
0.84%
Sole
1.93M
Shared
0.00
None
441.07K
IDEXX LABS INC
SOLEShares441.32K
TypeSH
Market value$298.57M
0.83%
Sole
391.40K
Shared
0.00
None
49.93K
SNOWFLAKE INC
SOLEShares1.35M
TypeSH
Market value$295.48M
0.82%
Sole
1.20M
Shared
0.00
None
143.39K
INTUIT
SOLEShares442.39K
TypeSH
Market value$293.05M
0.82%
Sole
392.48K
Shared
0.00
None
49.91K
MONSTER BEVERAGE CORP NEW
SOLEShares3.76M
TypeSH
Market value$288.37M
0.80%
Sole
3.34M
Shared
0.00
None
423.57K
ADVANCED MICRO DEVICES INC
SOLEShares1.34M
TypeSH
Market value$286.88M
0.80%
Sole
1.20M
Shared
0.00
None
137.38K
COSTCO WHSL CORP NEW
SOLEShares328.47K
TypeSH
Market value$283.25M
0.79%
Sole
290.53K
Shared
0.00
None
37.94K
AGILENT TECHNOLOGIES INC
SOLEShares2.06M
TypeSH
Market value$280.71M
0.78%
Sole
1.85M
Shared
0.00
None
210.58K
LINDE PLC
SOLEShares643.47K
TypeSH
Market value$274.37M
0.77%
Sole
555.57K
Shared
0.00
None
87.90K
ONTO INNOVATION INC
SOLEShares1.73M
TypeSH
Market value$272.56M
0.76%
Sole
1.61M
Shared
0.00
None
115.20K
OREILLY AUTOMOTIVE INC
SOLEShares2.98M
TypeSH
Market value$271.94M
0.76%
Sole
2.64M
Shared
0.00
None
341.55K
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
NVIDIA CORPORATIONSOLE | COM | 10.63M | SH | $1.98B 5.53% | 9.38M | 0.00 | 1.25M |
TAIWAN SEMICONDUCTOR MFG LTDSOLE | SPONSORED ADS | 5.99M | SH | $1.82B 5.07% | 4.69M | 0.00 | 1.30M |
MICROSOFT CORPSOLE | COM | 3.49M | SH | $1.69B 4.71% | 3.08M | 0.00 | 409.32K |
APPLE INCSOLE | COM | 5.44M | SH | $1.48B 4.13% | 4.81M | 0.00 | 630.02K |
AMAZON COM INCSOLE | COM | 4.39M | SH | $1.01B 2.82% | 3.89M | 0.00 | 498.01K |
ALPHABET INCSOLE | CAP STK CL A | 3.15M | SH | $987.51M 2.75% | 2.78M | 0.00 | 370.94K |
BROADCOM INCSOLE | COM | 2.54M | SH | $877.92M 2.45% | 2.23M | 0.00 | 303.49K |
META PLATFORMS INCSOLE | CL A | 1.19M | SH | $783.37M 2.19% | 1.05M | 0.00 | 139.57K |
MASTERCARD INCORPORATEDSOLE | CL A | 1.08M | SH | $619.37M 1.73% | 959.66K | 0.00 | 125.28K |
CARLYLE GROUP INCSOLE | COM | 7.13M | SH | $421.57M 1.18% | 6.59M | 0.00 | 539.80K |
TRANSUNIONSOLE | COM | 3.97M | SH | $340.04M 0.95% | 3.60M | 0.00 | 366.41K |
MERCADOLIBRE INCSOLE | COM | 165.58K | SH | $333.52M 0.93% | 133.11K | 0.00 | 32.47K |
SERVICENOW INCSOLE | COM | 2.15M | SH | $329.17M 0.92% | 1.91M | 0.00 | 238.12K |
NU HLDGS LTDSOLE | ORD SHS CL A | 18.70M | SH | $313.03M 0.87% | 15.52M | 0.00 | 3.18M |
SEA LTDSOLE | SPONSORD ADS | 2.37M | SH | $302.42M 0.84% | 1.93M | 0.00 | 441.07K |
IDEXX LABS INCSOLE | COM | 441.32K | SH | $298.57M 0.83% | 391.40K | 0.00 | 49.93K |
SNOWFLAKE INCSOLE | COM SHS | 1.35M | SH | $295.48M 0.82% | 1.20M | 0.00 | 143.39K |
INTUITSOLE | COM | 442.39K | SH | $293.05M 0.82% | 392.48K | 0.00 | 49.91K |
MONSTER BEVERAGE CORP NEWSOLE | COM | 3.76M | SH | $288.37M 0.80% | 3.34M | 0.00 | 423.57K |
ADVANCED MICRO DEVICES INCSOLE | COM | 1.34M | SH | $286.88M 0.80% | 1.20M | 0.00 | 137.38K |
COSTCO WHSL CORP NEWSOLE | COM | 328.47K | SH | $283.25M 0.79% | 290.53K | 0.00 | 37.94K |
AGILENT TECHNOLOGIES INCSOLE | COM | 2.06M | SH | $280.71M 0.78% | 1.85M | 0.00 | 210.58K |
LINDE PLCSOLE | SHS | 643.47K | SH | $274.37M 0.77% | 555.57K | 0.00 | 87.90K |
ONTO INNOVATION INCSOLE | COM | 1.73M | SH | $272.56M 0.76% | 1.61M | 0.00 | 115.20K |
OREILLY AUTOMOTIVE INCSOLE | COM | 2.98M | SH | $271.94M 0.76% | 2.64M | 0.00 | 341.55K |
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