Filed: 2/17/2026ACC: 0001104659-26-015563
📋 What this filing means
BLAIR WILLIAM & CO/IL filed this quarterly 13F‑HR report disclosing 1867 equity positions with a total reported market value of $37.26B. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
1867
Positions
$37.26B
Total AUM (reported)
259.89M
Total Shares
Allocation by class
COM$23.53B63.2%
CL A$2.85B7.6%
COM CL A$1.12B3.0%
CAP STK CL C$978.67M2.6%
CAP STK CL A$780.49M2.1%
COM NEW$605.22M1.6%
TR UNIT$584.95M1.6%
Portfolio Concentration
Top 3$4.75B12.7%
4–10$5.47B14.7%
11–25$5.45B14.6%
Rest$21.59B58.0%
Top 3 weight
12.7%
Top 10 weight
27.4%
Voting Authority Distribution
Total shares with voting rights: 259.89M
Sole
Full voting authority
209.32M
shares
% of voting shares80.5%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
50.57M
shares
% of voting shares19.5%
Investment Discretion (by position count)
Sole1867
Shared0
Other0
Dominant voting typeSole · 80.5% of voting shares
Institutional Holdings1867
Rows:
MICROSOFT CORP
SOLEShares3.57M
TypeSH
Market value$1.73B
4.64%
Sole
2.79M
Shared
0.00
None
781.31K
APPLE INC
SOLEShares5.95M
TypeSH
Market value$1.62B
4.34%
Sole
4.54M
Shared
0.00
None
1.41M
AMAZON COM INC
SOLEShares6.06M
TypeSH
Market value$1.40B
3.76%
Sole
4.71M
Shared
0.00
None
1.35M
NVIDIA CORPORATION
SOLEShares5.49M
TypeSH
Market value$1.02B
2.75%
Sole
4.45M
Shared
0.00
None
1.05M
ALPHABET INC
SOLEShares3.12M
TypeSH
Market value$978.67M
2.63%
Sole
2.60M
Shared
0.00
None
515.74K
ALPHABET INC
SOLEShares2.49M
TypeSH
Market value$780.49M
2.09%
Sole
1.94M
Shared
0.00
None
557.16K
JPMORGAN CHASE & CO.
SOLEShares2.31M
TypeSH
Market value$744.27M
2.00%
Sole
1.57M
Shared
0.00
None
738.11K
IDEXX LABS INC
SOLEShares1M
TypeSH
Market value$677.46M
1.82%
Sole
833.46K
Shared
0.00
None
167.91K
VISA INC
SOLEShares1.93M
TypeSH
Market value$676.60M
1.82%
Sole
1.65M
Shared
0.00
None
281.59K
SPDR S&P 500 ETF TR
SOLEShares857.80K
TypeSH
Market value$584.95M
1.57%
Sole
736.37K
Shared
0.00
None
121.43K
MASTERCARD INCORPORATED
SOLEShares955.19K
TypeSH
Market value$545.30M
1.46%
Sole
756.44K
Shared
0.00
None
198.75K
META PLATFORMS INC
SOLEShares736.20K
TypeSH
Market value$485.96M
1.30%
Sole
623.26K
Shared
0.00
None
112.94K
COSTCO WHSL CORP NEW
SOLEShares521.18K
TypeSH
Market value$449.44M
1.21%
Sole
410.25K
Shared
0.00
None
110.93K
GE VERNOVA INC
SOLEShares652.31K
TypeSH
Market value$426.33M
1.14%
Sole
525.28K
Shared
0.00
None
127.02K
AMPHENOL CORP NEW
SOLEShares2.65M
TypeSH
Market value$358.65M
0.96%
Sole
2.29M
Shared
0.00
None
363.34K
ELI LILLY & CO
SOLEShares324.80K
TypeSH
Market value$349.05M
0.94%
Sole
230.42K
Shared
0.00
None
94.38K
SERVICENOW INC
SOLEShares2.21M
TypeSH
Market value$339.29M
0.91%
Sole
1.81M
Shared
0.00
None
404.88K
UBER TECHNOLOGIES INC
SOLEShares4.11M
TypeSH
Market value$335.63M
0.90%
Sole
3.09M
Shared
0.00
None
1.01M
ISHARES TR
SOLEShares488.42K
TypeSH
Market value$334.54M
0.90%
Sole
416.30K
Shared
0.00
None
72.13K
PROGRESSIVE CORP
SOLEShares1.41M
TypeSH
Market value$320.41M
0.86%
Sole
1.23M
Shared
0.00
None
177.58K
DANAHER CORPORATION
SOLEShares1.37M
TypeSH
Market value$314.22M
0.84%
Sole
991.86K
Shared
0.00
None
380.77K
BROADCOM INC
SOLEShares896.45K
TypeSH
Market value$310.26M
0.83%
Sole
787.76K
Shared
0.00
None
108.69K
ABBVIE INC
SOLEShares1.34M
TypeSH
Market value$305.60M
0.82%
Sole
1.10M
Shared
0.00
None
241.95K
STRYKER CORPORATION
SOLEShares844.90K
TypeSH
Market value$296.96M
0.80%
Sole
577.24K
Shared
0.00
None
267.66K
FASTENAL CO
SOLEShares7.01M
TypeSH
Market value$281.50M
0.76%
Sole
4.25M
Shared
0.00
None
2.77M
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
MICROSOFT CORPSOLE | COM | 3.57M | SH | $1.73B 4.64% | 2.79M | 0.00 | 781.31K |
APPLE INCSOLE | COM | 5.95M | SH | $1.62B 4.34% | 4.54M | 0.00 | 1.41M |
AMAZON COM INCSOLE | COM | 6.06M | SH | $1.40B 3.76% | 4.71M | 0.00 | 1.35M |
NVIDIA CORPORATIONSOLE | COM | 5.49M | SH | $1.02B 2.75% | 4.45M | 0.00 | 1.05M |
ALPHABET INCSOLE | CAP STK CL C | 3.12M | SH | $978.67M 2.63% | 2.60M | 0.00 | 515.74K |
ALPHABET INCSOLE | CAP STK CL A | 2.49M | SH | $780.49M 2.09% | 1.94M | 0.00 | 557.16K |
JPMORGAN CHASE & CO.SOLE | COM | 2.31M | SH | $744.27M 2.00% | 1.57M | 0.00 | 738.11K |
IDEXX LABS INCSOLE | COM | 1M | SH | $677.46M 1.82% | 833.46K | 0.00 | 167.91K |
VISA INCSOLE | COM CL A | 1.93M | SH | $676.60M 1.82% | 1.65M | 0.00 | 281.59K |
SPDR S&P 500 ETF TRSOLE | TR UNIT | 857.80K | SH | $584.95M 1.57% | 736.37K | 0.00 | 121.43K |
MASTERCARD INCORPORATEDSOLE | CL A | 955.19K | SH | $545.30M 1.46% | 756.44K | 0.00 | 198.75K |
META PLATFORMS INCSOLE | CL A | 736.20K | SH | $485.96M 1.30% | 623.26K | 0.00 | 112.94K |
COSTCO WHSL CORP NEWSOLE | COM | 521.18K | SH | $449.44M 1.21% | 410.25K | 0.00 | 110.93K |
GE VERNOVA INCSOLE | COM | 652.31K | SH | $426.33M 1.14% | 525.28K | 0.00 | 127.02K |
AMPHENOL CORP NEWSOLE | CL A | 2.65M | SH | $358.65M 0.96% | 2.29M | 0.00 | 363.34K |
ELI LILLY & COSOLE | COM | 324.80K | SH | $349.05M 0.94% | 230.42K | 0.00 | 94.38K |
SERVICENOW INCSOLE | COM | 2.21M | SH | $339.29M 0.91% | 1.81M | 0.00 | 404.88K |
UBER TECHNOLOGIES INCSOLE | COM | 4.11M | SH | $335.63M 0.90% | 3.09M | 0.00 | 1.01M |
ISHARES TRSOLE | CORE S&P500 ETF | 488.42K | SH | $334.54M 0.90% | 416.30K | 0.00 | 72.13K |
PROGRESSIVE CORPSOLE | COM | 1.41M | SH | $320.41M 0.86% | 1.23M | 0.00 | 177.58K |
DANAHER CORPORATIONSOLE | COM | 1.37M | SH | $314.22M 0.84% | 991.86K | 0.00 | 380.77K |
BROADCOM INCSOLE | COM | 896.45K | SH | $310.26M 0.83% | 787.76K | 0.00 | 108.69K |
ABBVIE INCSOLE | COM | 1.34M | SH | $305.60M 0.82% | 1.10M | 0.00 | 241.95K |
STRYKER CORPORATIONSOLE | COM | 844.90K | SH | $296.96M 0.80% | 577.24K | 0.00 | 267.66K |
FASTENAL COSOLE | COM | 7.01M | SH | $281.50M 0.76% | 4.25M | 0.00 | 2.77M |
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