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William Blair & Company

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
Cap. Flow
+$139M
Cap. Flow %
0.44%
Top 10 Hldgs %
23.43%
Holding
1,869
New
90
Increased
714
Reduced
722
Closed
82

Top Buys

Rank Stock Value
1
UBER icon
Uber
UBER
+$24.2M
2
IOT icon
Samsara
IOT
+$23.9M
3
PRCT icon
Procept Biorobotics
PRCT
+$20.5M
4
ISRG icon
Intuitive Surgical
ISRG
+$19.9M
5
AMZN icon
Amazon
AMZN
+$19.4M

Top Sells

Rank Stock Value
1
SPLK
Splunk Inc
SPLK
+$67.1M
2
MA icon
Mastercard
MA
+$65.4M
3
AON icon
Aon
AON
+$40.3M
4
FLYW icon
Flywire
FLYW
+$25.7M
5
DV icon
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
CF icon
626
CF Industries
CF
$17.7B
$2.43M 0.01%
29,152
+333
+1% +$26.6K
ARKK icon
627
ARK Innovation ETF
ARKK
$6.48B
$2.42M 0.01%
48,382
-9,993
-17% -$487K
GTLB icon
628
GitLab
GTLB
$6.87B
$2.41M 0.01%
41,382
+14,738
+55% +$966K
QDEL icon
629
QuidelOrtho
QDEL
$1B
$2.41M 0.01%
50,218
+1,059
+2% +$61.8K
CWB icon
630
State Street SPDR Bloomberg Convertible Securities ETF
CWB
$5.75B
$2.4M 0.01%
32,884
-462
-1% -$33.1K
RWO icon
631
State Street SPDR Dow Jones Global Real Estate ETF
RWO
$1.3B
$2.38M 0.01%
55,648
-4,425
-7% -$187K
WOLF icon
632
Wolfspeed
WOLF
$1.67B
$2.38M 0.01%
80,536
-14,834
-16% -$447K
CTLT
633
DELISTED
CATALENT, INC.
CTLT
$2.37M 0.01%
41,998
+1,220
+3% +$66.1K
MANH icon
634
Manhattan Associates
MANH
$11.4B
$2.36M 0.01%
9,427
-6,621
-41% -$1.58M
PNC icon
635
PNC Financial Services
PNC
$102B
$2.34M 0.01%
14,450
-811
-5% -$122K
NTNX icon
636
Nutanix
NTNX
$17.7B
$2.33M 0.01%
37,818
+8,775
+30% +$506K
MTN icon
637
Vail Resorts
MTN
$5.24B
$2.33M 0.01%
10,439
-2,130
-17% -$474K
SNA icon
638
Snap-on
SNA
$20.9B
$2.32M 0.01%
7,837
+62
+0.8% +$17.6K
RY icon
639
Royal Bank of Canada
RY
$298B
$2.32M 0.01%
22,966
-3,136
-12% -$309K
HYMB icon
640
State Street SPDR Nuveen ICE High Yield Municipal Bond ETF
HYMB
$3.37B
$2.31M 0.01%
90,105
+34,965
+63% +$888K
IYR icon
641
iShares US Real Estate ETF
IYR
$4.57B
$2.31M 0.01%
25,707
-976
-4% -$86.3K
CALF icon
642
Pacer US Small Cap Cash Cows 100 ETF
CALF
$3.85B
$2.31M 0.01%
46,904
+9,894
+27% +$470K
KKR icon
643
KKR & Co
KKR
$101B
$2.3M 0.01%
22,916
-3,726
-14% -$343K
BAX icon
644
Baxter International
BAX
$13.9B
$2.28M 0.01%
53,319
+1,280
+2% +$52K
MGV icon
645
Vanguard Morningstar Mega Cap Value ETF
MGV
$13.7B
$2.28M 0.01%
19,037
+2,890
+18% +$327K
ROKU icon
646
Roku
ROKU
$22.8B
$2.27M 0.01%
34,814
+5,919
+20% +$461K
QUAL icon
647
iShares MSCI USA Quality Factor ETF
QUAL
$48.3B
$2.25M 0.01%
13,701
+1,889
+16% +$295K
VLUE icon
648
iShares MSCI USA Value Factor ETF
VLUE
$9.73B
$2.23M 0.01%
20,617
+748
+4% +$76.5K
SCHA icon
649
Schwab U.S Small- Cap ETF
SCHA
$23.5B
$2.23M 0.01%
90,660
-7,286
-7% -$171K
GAIN icon
650
Gladstone Investment Corp
GAIN
$657M
$2.2M 0.01%
154,864
+335
+0.2% +$4.76K
24 25
26
27 28

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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.