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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 | |
|---|---|---|---|---|---|---|
551
Vanguard Energy ETF
VDE
$10.4B
| $3.61M | 0.01% |
27,395
+1,375
| +5% | +$165K |
|
552
Illumina
ILMN
$28.8B
| $3.59M | 0.01% |
26,862
-408
| -1% | -$54.7K |
|
553
Schwab US Broad Market ETF
SCHB
$45.1B
| $3.59M | 0.01% |
176,238
-567
| -0.3% | -$11K |
|
554
iShares iBoxx $ Investment Grade Corporate Bond ETF
LQD
$32.8B
| $3.58M | 0.01% |
32,861
+4,063
| +14% | +$441K |
|
555
State Street Consumer Discretionary Select Sector SPDR ETF
XLY
$23.4B
| $3.57M | 0.01% |
38,778
-1,224
| -3% | -$109K |
|
556
Mercury Systems
MRCY
$6.49B
| $3.5M | 0.01% |
118,679
-4,205
| -3% | -$127K |
|
557
Autodesk
ADSK
$51.4B
| $3.49M | 0.01% |
13,409
+241
| +2% | +$61K |
|
558
Rush Street Interactive
RSI
$2.86B
| $3.47M | 0.01% |
533,712
| – | – |
|
559
AAR Corp
AIR
$5.82B
| $3.45M | 0.01% |
57,679
+51,928
| +903% | +$3.23M |
|
560
American Electric Power
AEP
$68.1B
| $3.43M | 0.01% |
39,804
+522
| +1% | +$42.4K |
|
561
iShares 1-5 Year Investment Grade Corporate Bond ETF
IGSB
$23.4B
| $3.41M | 0.01% |
66,561
+3,617
| +6% | +$185K |
|
562
Schwab International Equity ETF
SCHF
$69.3B
| $3.41M | 0.01% |
174,818
+24,188
| +16% | +$452K |
|
563
ITT
ITT
$19.2B
| $3.41M | 0.01% |
25,064
+337
| +1% | +$41.8K |
|
564
Innovator US Equity Power Buffer ETF October
POCT
$975M
| $3.36M | 0.01% |
89,569
| – | – |
|
565
Moderna
MRNA
$25.5B
| $3.34M | 0.01% |
31,315
-3,601
| -10% | -$363K |
|
566
Lattice Semiconductor
LSCC
$18.4B
| $3.33M | 0.01% |
42,554
+4,773
| +13% | +$342K |
|
567
Korn Ferry
KFY
$4.27B
| $3.3M | 0.01% |
+50,216
| New | +$3.03M |
|
568
BioMarin Pharmaceuticals
BMRN
$13.4B
| $3.3M | 0.01% |
37,787
+878
| +2% | +$78.6K |
|
569
Pultegroup
PHM
$24.8B
| $3.29M | 0.01% |
27,269
+516
| +2% | +$55.4K |
|
570
Information Services Group
III
$242M
| $3.29M | 0.01% |
813,443
+46,799
| +6% | +$203K |
|
571
Assurant
AIZ
$13.9B
| $3.26M | 0.01% |
17,297
+100
| +0.6% | +$17.4K |
|
572
iShares iBoxx $ High Yield Corporate Bond ETF
HYG
$17.9B
| $3.24M | 0.01% |
41,639
+6,494
| +18% | +$502K |
|
573
PACCAR
PCAR
$68.1B
| $3.23M | 0.01% |
26,033
-1,299
| -5% | -$140K |
|
574
Capital One
COF
$136B
| $3.22M | 0.01% |
21,612
+259
| +1% | +$35.1K |
|
575
Vanguard Intermediate-Term Treasury ETF
VGIT
$42.5B
| $3.18M | 0.01% |
54,296
+8,931
| +20% | +$524K |
|
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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.