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William Blair & Company Portfolio holdings
AUM
$38.4B
1-Year Est. Return
25.71%
This Fund
S&P 500
This Quarter
Est. Return
+10.07%
1 Year Est. Return
+25.71%
3 Year Est. Return
+88.7%
5 Year Est. Return
+104.53%
10 Year Est. Return
+665.86%
AUM
$31.8B
AUM Growth
+$2.49B
(+8.5%)
Cap. Flow
+$139M
Cap. Flow
% of AUM
0.44%
Top 10 Holdings %
Top 10 Hldgs %
23.43%
Holding
1,869
New
90
Increased
714
Reduced
722
Closed
82
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Uber
UBER
|
+$24.2M |
| 2 |
Samsara
IOT
|
+$23.9M |
| 3 |
Procept Biorobotics
PRCT
|
+$20.5M |
| 4 |
Intuitive Surgical
ISRG
|
+$19.9M |
| 5 |
Amazon
AMZN
|
+$19.4M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
SPLK
Splunk Inc
SPLK
|
+$67.1M |
| 2 |
Mastercard
MA
|
+$65.4M |
| 3 |
Aon
AON
|
+$40.3M |
| 4 |
Flywire
FLYW
|
+$25.7M |
| 5 |
DoubleVerify
DV
|
+$19.5M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 25.75% |
| 2 | Healthcare | 17.03% |
| 3 | Financials | 12.35% |
| 4 | Industrials | 11.88% |
| 5 | Consumer Discretionary | 8.53% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
76
McDonald's
MCD
$195B
| $99.3M | 0.31% |
352,046
+2,019
| +0.6% | +$587K |
|
77
Merck
MRK
$328B
| $97.4M | 0.31% |
738,029
+313
| +0% | +$38.6K |
|
78
MongoDB
MDB
$35.2B
| $97.3M | 0.31% |
271,222
+10,873
| +4% | +$4.44M |
|
79
iRhythm Holdings
IRTC
$4.13B
| $96.6M | 0.3% |
832,934
+27,842
| +3% | +$3.13M |
|
80
Verisk Analytics
VRSK
$23.5B
| $96.1M | 0.3% |
407,648
+6,523
| +2% | +$1.57M |
|
81
Microchip Technology
MCHP
$43.1B
| $95M | 0.3% |
1,059,298
-31,066
| -3% | -$2.68M |
|
82
Rollins
ROL
$17.6B
| $94.5M | 0.3% |
2,043,014
+27,806
| +1% | +$1.23M |
|
83
Deere & Co
DE
$167B
| $94.4M | 0.3% |
229,809
-40,396
| -15% | -$15.5M |
|
84
Invesco QQQ Trust
QQQ
$481B
| $94.3M | 0.3% |
212,297
+6,441
| +3% | +$2.76M |
|
85
Live Nation Entertainment
LYV
$43.2B
| $93.9M | 0.29% |
887,381
+112,804
| +15% | +$10.7M |
|
86
iShares Russell 2000 ETF
IWM
$82.2B
| $91.6M | 0.29% |
435,339
+19,661
| +5% | +$3.92M |
|
87
General Dynamics
GD
$107B
| $90.9M | 0.29% |
321,848
+39,199
| +14% | +$10.5M |
|
88
Vanguard S&P 500 ETF
VOO
$1.03T
| $90M | 0.28% |
187,133
+11,776
| +7% | +$5.39M |
|
89
Thermo Fisher Scientific
TMO
$223B
| $88.5M | 0.28% |
152,272
-944
| -0.6% | -$530K |
|
90
Airbnb
ABNB
$108B
| $88M | 0.28% |
533,639
+82,989
| +18% | +$12.6M |
|
91
PepsiCo
PEP
$189B
| $88M | 0.28% |
502,805
-12,187
| -2% | -$2.05M |
|
92
Edwards Lifesciences
EW
$53.6B
| $88M | 0.28% |
920,776
-24,905
| -3% | -$2.09M |
|
93
Netflix
NFLX
$309B
| $84.9M | 0.27% |
1,398,240
+129,010
| +10% | +$7.27M |
|
|
PWSC
94
DELISTED
PowerSchool Holdings, Inc.
PWSC
| $84M | 0.26% |
3,946,379
+597,521
| +18% | +$13.6M |
|
95
O'Reilly Automotive
ORLY
$74.5B
| $81.7M | 0.26% |
1,085,250
+31,920
| +3% | +$2.23M |
|
96
S&P Global
SPGI
$121B
| $80.4M | 0.25% |
188,935
+1,637
| +0.9% | +$710K |
|
97
Motorola Solutions
MSI
$77.7B
| $78.3M | 0.25% |
220,488
+6,262
| +3% | +$2.06M |
|
98
Sprout Social
SPT
$579M
| $77.9M | 0.24% |
1,304,574
-5,896
| -0.4% | -$358K |
|
99
Lowe's Companies
LOW
$121B
| $77.8M | 0.24% |
305,565
+3,778
| +1% | +$869K |
|
100
Align Technology
ALGN
$12.4B
| $77.7M | 0.24% |
236,798
-80
| -0% | -$23.5K |
|
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William Blair & Company's Q1 2024 Portfolio in Review
As of Q1 2024, William Blair & Company held 1,869 positions worth $31.8B, up 8.5% from $29.3B the previous quarter. Its ten largest holdings account for 23% of the portfolio.
William Blair & Company's Q1 2024 filing shows 90 new, 714 increased, 722 reduced and 82 closed positions. Its largest new stake was Procept Biorobotics: 429,793 shares worth $21.2M. The largest sale was Splunk Inc, an estimated $67.1M.
By sector, the portfolio is most concentrated in Technology at 26% of assets, down from 26% a quarter earlier, followed by Healthcare and Financials.
- William Blair & Company's largest Q1 2024 buy was Procept Biorobotics: 429,793 shares worth $21.2M.
- William Blair & Company added most to Uber in Q1 2024, an estimated $24.2M increase.
- William Blair & Company's biggest Q1 2024 reduction was Mastercard, cutting an estimated $65.4M.
- William Blair & Company fully exited Splunk Inc in Q1 2024, selling an estimated $67.1M.
- William Blair & Company's ten largest holdings make up 23% of its $31.8B portfolio in Q1 2024.
- William Blair & Company opened 90 new positions and closed 82 in Q1 2024.
- William Blair & Company's portfolio value rose 8.5% quarter-over-quarter to $31.8B.
Based on William Blair & Company's 13F filing for Q1 2024, filed 9 May 2024.