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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
+9.7%
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
$27.3B
AUM Growth
+$2.26B
Cap. Flow
+$202M
Cap. Flow %
0.74%
Top 10 Hldgs %
24.36%
Holding
1,897
New
97
Increased
682
Reduced
737
Closed
88

Top Buys

Rank Stock Value
1
COST icon
Costco
COST
+$28.3M
2
ALL icon
Allstate
ALL
+$25.8M
3
ISRG icon
Intuitive Surgical
ISRG
+$19.6M
4
NEOG icon
Neogen
NEOG
+$17.4M
5
DV icon
DoubleVerify
DV
+$17.3M

Top Sells

Rank Stock Value
1
NBIX icon
Neurocrine Biosciences
NBIX
+$29.1M
2
PLNT icon
Planet Fitness
PLNT
+$20.4M
3
ABNB icon
Airbnb
ABNB
+$17.1M
4
IBM icon
IBM
IBM
+$14.8M
5
XMTR icon
Xometry
XMTR
+$10.8M

Sector Composition

Rank Sector Weight
1 Technology 25.59%
2 Healthcare 18.44%
3 Industrials 11.64%
4 Financials 11.51%
5 Consumer Discretionary 8.51%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
ETON icon
1476
Eton Pharmaceutcials
ETON
$1.14B
$129K ﹤0.01%
36,979
+1,979
+6% +$7.28K
TLS icon
1477
Telos
TLS
$324M
$128K ﹤0.01%
50,000
– –
FREL icon
1478
Fidelity MSCI Real Estate Index ETF
FREL
$1.47B
$127K ﹤0.01%
5,043
-3,420
-40% -$83.9K
OPEN icon
1479
Opendoor
OPEN
$3.39B
$125K ﹤0.01%
32,056
-218
-0.7% -$473
GBX icon
1480
The Greenbrier Companies
GBX
$1.41B
$124K ﹤0.01%
2,873
– –
ITM icon
1481
VanEck Intermediate Muni ETF
ITM
$2.13B
$124K ﹤0.01%
2,687
-126
-4% -$5.81K
HEDJ icon
1482
WisdomTree Europe Hedged Equity Fund
HEDJ
$1.87B
$123K ﹤0.01%
3,008
-456
-13% -$18.7K
DFAT icon
1483
Dimensional US Targeted Value ETF
DFAT
$14.8B
$123K ﹤0.01%
2,646
-46
-2% -$2.02K
FBP icon
1484
First Bancorp
FBP
$4.46B
$122K ﹤0.01%
10,000
– –
GAP
1485
The Gap Inc
GAP
$7.29B
$122K ﹤0.01%
13,633
+6
+0% +$54
CDXS icon
1486
Codexis
CDXS
$175M
$118K ﹤0.01%
42,253
-415
-1% -$1.34K
VMBS icon
1487
Vanguard Mortgage-Backed Securities ETF
VMBS
$15.6B
$118K ﹤0.01%
2,558
-88
-3% -$4.07K
NN icon
1488
NextNav
NN
$3.25B
$118K ﹤0.01%
40,000
– –
IMTB icon
1489
iShares Core 5-10 Year USD Bond ETF
IMTB
$275M
$117K ﹤0.01%
2,716
– –
VTWG icon
1490
Vanguard Russell 2000 Growth ETF
VTWG
$1.56B
$114K ﹤0.01%
647
– –
SRLN icon
1491
State Street Blackstone Senior Loan ETF
SRLN
$5.37B
$114K ﹤0.01%
2,715
+1,093
+67% +$45.1K
MLPA icon
1492
Global X MLP ETF
MLPA
$2.29B
$112K ﹤0.01%
2,612
+1,753
+204% +$73.7K
GSY icon
1493
Invesco Ultra Short Duration ETF
GSY
$3.88B
$112K ﹤0.01%
2,250
+23
+1% +$1.14K
PR
1494
Permian Resources
PR
$18B
$110K ﹤0.01%
+10,082
New +$103K
GSJY icon
1495
Goldman Sachs ActiveBeta Japan Equity ETF
GSJY
$88.7M
$110K ﹤0.01%
3,240
– –
DGS icon
1496
WisdomTree Emerging Markets SmallCap Dividend Fund
DGS
$1.78B
$109K ﹤0.01%
2,341
+16
+0.7% +$743
ERTH icon
1497
Invesco MSCI Sustainable Future ETF
ERTH
$138M
$109K ﹤0.01%
+2,220
New +$105K
NAPR icon
1498
Innovator Growth-100 Power Buffer ETF April
NAPR
$213M
$108K ﹤0.01%
+2,593
New +$103K
SLQT icon
1499
SelectQuote
SLQT
$124M
$107K ﹤0.01%
55,000
– –
DWM icon
1500
WisdomTree International Equity Fund
DWM
$693M
$107K ﹤0.01%
2,143
+24
+1% +$1.21K
58 59
60
61 62

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William Blair & Company's Q2 2023 Portfolio in Review

As of Q2 2023, William Blair & Company held 1,897 positions worth $27.3B, up 9% from $25B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair & Company's Q2 2023 filing shows 97 new, 682 increased, 737 reduced and 88 closed positions. Its largest new stake was Innovator US Equity Power Buffer ETF April: 112,249 shares worth $3.47M. The largest sale was Neurocrine Biosciences, an estimated $29.1M.

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

  • William Blair & Company's largest Q2 2023 buy was Innovator US Equity Power Buffer ETF April: 112,249 shares worth $3.47M.
  • William Blair & Company added most to Costco in Q2 2023, an estimated $28.3M increase.
  • William Blair & Company's biggest Q2 2023 reduction was Neurocrine Biosciences, cutting an estimated $29.1M.
  • William Blair & Company fully exited ABB Ltd in Q2 2023, selling an estimated $7.21M.
  • William Blair & Company's ten largest holdings make up 24% of its $27.3B portfolio in Q2 2023.
  • William Blair & Company opened 97 new positions and closed 88 in Q2 2023.
  • William Blair & Company's portfolio value rose 9% quarter-over-quarter to $27.3B.

Based on William Blair & Company's 13F filing for Q2 2023, filed 11 Aug 2023.