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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
-3.85%
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
$26.1B
AUM Growth
-$1.22B
Cap. Flow
+$114M
Cap. Flow %
0.44%
Top 10 Hldgs %
23.71%
Holding
1,877
New
67
Increased
674
Reduced
719
Closed
85

Top Buys

Rank Stock Value
1
KVUE icon
Kenvue
KVUE
+$32.2M
2
LZ icon
LegalZoom.com
LZ
+$26.6M
3
CRWD icon
CrowdStrike
CRWD
+$24M
4
CSGP icon
CoStar Group
CSGP
+$20.8M
5
GNRC icon
Generac Holdings
GNRC
+$18.3M

Top Sells

Rank Stock Value
1
AAPL icon
Apple
AAPL
+$37.6M
2
PODD icon
Insulet
PODD
+$37.3M
3
NVDA icon
NVIDIA
NVDA
+$24.8M
4
ATVI
Activision Blizzard
ATVI
+$20.6M
5
SBUX icon
Starbucks
SBUX
+$17.8M

Sector Composition

Rank Sector Weight
1 Technology 25.36%
2 Healthcare 17.61%
3 Financials 12.07%
4 Industrials 11.66%
5 Consumer Discretionary 8.39%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
MEDP icon
551
Medpace
MEDP
$16.4B
$3.07M 0.01%
12,674
+620
+5% +$159K
VOT icon
552
Vanguard Morningstar Mid-Cap Growth ETF
VOT
$20.2B
$3.05M 0.01%
15,650
+54
+0.3% +$11K
VOOV icon
553
Vanguard S&P 500 Value ETF
VOOV
$6.78B
$3.05M 0.01%
20,499
-91
-0.4% -$14.2K
CMI icon
554
Cummins
CMI
$87.5B
$3.04M 0.01%
13,319
+582
+5% +$141K
CBZ icon
555
CBIZ
CBZ
$2.96B
$3.04M 0.01%
+58,616
New +$3.16M
HLNE icon
556
Hamilton Lane
HLNE
$5.72B
$3.04M 0.01%
33,608
+241
+0.7% +$21.5K
CTLT
557
DELISTED
CATALENT, INC.
CTLT
$3.03M 0.01%
66,499
-4,727
-7% -$221K
LRCX icon
558
Lam Research
LRCX
$424B
$3.02M 0.01%
48,220
+940
+2% +$61.8K
SCHB icon
559
Schwab US Broad Market ETF
SCHB
$45.1B
$3M 0.01%
180,531
-4,440
-2% -$76.8K
AEP icon
560
American Electric Power
AEP
$68.1B
$3M 0.01%
39,879
-1,441
-3% -$117K
AMRC icon
561
Ameresco
AMRC
$1.46B
$2.99M 0.01%
77,534
-15,299
-16% -$739K
MXL icon
562
MaxLinear
MXL
$7.02B
$2.98M 0.01%
133,896
-4,530
-3% -$115K
ZBH icon
563
Zimmer Biomet
ZBH
$18.8B
$2.98M 0.01%
26,530
+2,982
+13% +$379K
DAVA icon
564
Endava
DAVA
$160M
$2.95M 0.01%
51,481
-7,147
-12% -$373K
URI icon
565
United Rentals
URI
$69.3B
$2.94M 0.01%
6,619
+177
+3% +$81K
DSGR icon
566
Distribution Solutions Group
DSGR
$1.61B
$2.93M 0.01%
112,870
-4,200
-4% -$108K
ABCM
567
DELISTED
Abcam PLC
ABCM
$2.93M 0.01%
129,550
-7,135
-5% -$164K
EPAM icon
568
EPAM Systems
EPAM
$5.09B
$2.91M 0.01%
11,367
-1,447
-11% -$357K
ELS icon
569
Equity Lifestyle Properties
ELS
$12.6B
$2.89M 0.01%
45,415
+15
+0% +$1.01K
SRE icon
570
Sempra
SRE
$56.5B
$2.89M 0.01%
42,528
+5,618
+15% +$405K
MOAT icon
571
VanEck Morningstar Wide Moat ETF
MOAT
$12.4B
$2.86M 0.01%
37,771
+3,335
+10% +$266K
PRAA icon
572
PRA Group
PRAA
$786M
$2.86M 0.01%
148,765
-574
-0.4% -$12.1K
IWS icon
573
iShares Russell Mid-Cap Value ETF
IWS
$16B
$2.85M 0.01%
27,314
-622
-2% -$68.5K
DAL icon
574
Delta Air Lines
DAL
$60.1B
$2.84M 0.01%
76,679
-7,384
-9% -$321K
MLM icon
575
Martin Marietta Materials
MLM
$32.8B
$2.83M 0.01%
6,898
-2,794
-29% -$1.24M
21 22
23
24 25

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William Blair & Company's Q3 2023 Portfolio in Review

As of Q3 2023, William Blair & Company held 1,877 positions worth $26.1B, down 4.5% from $27.3B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair & Company's Q3 2023 filing shows 67 new, 674 increased, 719 reduced and 85 closed positions. Its largest new stake was Kenvue: 1,391,743 shares worth $27.9M. The largest sale was Apple, an estimated $37.6M.

By sector, the portfolio is most concentrated in Technology at 25% of assets, down from 26% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q3 2023 buy was Kenvue: 1,391,743 shares worth $27.9M.
  • William Blair & Company added most to LegalZoom.com in Q3 2023, an estimated $26.6M increase.
  • William Blair & Company's biggest Q3 2023 reduction was Apple, cutting an estimated $37.6M.
  • William Blair & Company fully exited Activision Blizzard in Q3 2023, selling an estimated $20.6M.
  • William Blair & Company's ten largest holdings make up 24% of its $26.1B portfolio in Q3 2023.
  • William Blair & Company opened 67 new positions and closed 85 in Q3 2023.
  • William Blair & Company's portfolio value fell 4.5% quarter-over-quarter to $26.1B.

Based on William Blair & Company's 13F filing for Q3 2023, filed 9 Nov 2023.