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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 | |
|---|---|---|---|---|---|---|
126
iShares Core S&P Total US Stock Market ETF
ITOT
$97.8B
| $48.7M | 0.15% |
422,368
+34,878
| +9% | +$3.83M |
|
127
McCormick & Company Non-Voting
MKC
$14.2B
| $45.4M | 0.14% |
591,156
-84,174
| -12% | -$5.72M |
|
128
CME Group
CME
$94.3B
| $45.1M | 0.14% |
209,453
+2,683
| +1% | +$564K |
|
129
Texas Instruments
TXN
$253B
| $44.7M | 0.14% |
256,424
-3,115
| -1% | -$519K |
|
130
Generac Holdings
GNRC
$13.1B
| $44.7M | 0.14% |
354,036
+76,890
| +28% | +$9.02M |
|
131
Neogen
NEOG
$2.5B
| $44.3M | 0.14% |
2,808,924
-411,942
| -13% | -$6.9M |
|
132
Bank of America
BAC
$453B
| $43.9M | 0.14% |
1,158,497
-10,528
| -0.9% | -$361K |
|
133
Berkshire Hathaway Class A
BRK.A
$1.09T
| $43.8M | 0.14% |
69
| – | – |
|
134
Caterpillar
CAT
$393B
| $43.1M | 0.14% |
117,623
-4,858
| -4% | -$1.55M |
|
135
Gartner
IT
$11.3B
| $42.2M | 0.13% |
88,549
-4,176
| -5% | -$1.92M |
|
136
Marvell Technology
MRVL
$195B
| $41.3M | 0.13% |
582,875
+13,231
| +2% | +$906K |
|
137
West Pharmaceutical
WST
$24.8B
| $40.3M | 0.13% |
101,866
+1,170
| +1% | +$433K |
|
138
Tesla
TSLA
$1.29T
| $40.2M | 0.13% |
228,783
-871
| -0.4% | -$170K |
|
139
Advanced Micro Devices
AMD
$788B
| $40.1M | 0.13% |
222,081
+16,033
| +8% | +$2.8M |
|
|
PXD
140
DELISTED
Pioneer Natural Resource Co.
PXD
| $40M | 0.13% |
152,551
+946
| +0.6% | +$222K |
|
141
Blackrock
BLK
$180B
| $39.7M | 0.12% |
47,602
+148
| +0.3% | +$119K |
|
142
Amgen
AMGN
$225B
| $38.6M | 0.12% |
135,701
+21,970
| +19% | +$6.43M |
|
143
Honeywell
HON
$74.6B
| $38.4M | 0.12% |
198,608
-9,574
| -5% | -$1.8M |
|
144
iShares Russell 1000 Value ETF
IWD
$84B
| $37.2M | 0.12% |
207,511
+1,549
| +0.8% | +$262K |
|
145
State Street SPDR S&P MIDCAP 400 ETF Trust
MDY
$27.2B
| $37.1M | 0.12% |
66,768
+2,659
| +4% | +$1.38M |
|
146
Bristol-Myers Squibb
BMY
$130B
| $36.6M | 0.12% |
675,610
-188,760
| -22% | -$9.62M |
|
147
iShares Core MSCI EAFE ETF
IEFA
$196B
| $36.4M | 0.11% |
491,042
+16,524
| +3% | +$1.18M |
|
148
Nike
NKE
$60.1B
| $35.7M | 0.11% |
379,806
+14,934
| +4% | +$1.52M |
|
149
Micron Technology
MU
$1.03T
| $35.5M | 0.11% |
301,035
-14
| -0% | -$1.27K |
|
150
Invesco S&P 500 Equal Weight ETF
RSP
$99.5B
| $34.8M | 0.11% |
205,203
+23,957
| +13% | +$3.85M |
|
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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.