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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
EWL icon
1801
iShares MSCI Switzerland ETF
EWL
$2.22B
– –
-137
Closed -$6.21K
EWN icon
1802
iShares MSCI Netherlands ETF
EWN
$723M
– –
-55
Closed -$2.32K
EWP icon
1803
iShares MSCI Spain ETF
EWP
$2.22B
– –
-67
Closed -$1.87K
EWW icon
1804
iShares MSCI Mexico ETF
EWW
$1.89B
– –
-38
Closed -$2.26K
EZA icon
1805
iShares MSCI South Africa ETF
EZA
$569M
– –
-166
Closed -$7.01K
FBRT
1806
Franklin BSP Realty Trust
FBRT
$666M
– –
-10,277
Closed -$123K
FL
1807
DELISTED
Foot Locker
FL
– –
-27,578
Closed -$1.09M
FNV icon
1808
Franco-Nevada
FNV
$45.8B
– –
-1,691
Closed -$247K
FTSL icon
1809
First Trust Senior Loan Fund ETF
FTSL
$2.33B
– –
-723
Closed -$32.7K
GBCI icon
1810
Glacier Bancorp
GBCI
$6.41B
– –
-69,690
Closed -$2.93M
HASI icon
1811
Hannon Armstrong Sustainable Infrastructure Capital
HASI
$5.35B
– –
-7,445
Closed -$213K
HEZU icon
1812
iShares Currency Hedged MSCI Eurozone ETF
HEZU
$587M
– –
-362
Closed -$11.4K
HIBS icon
1813
Direxion Daily S&P 500 High Beta Bear 3X ETF
HIBS
$18.1M
– –
-350
Closed -$172K
HXL icon
1814
Hexcel
HXL
$7.69B
– –
-3,286
Closed -$224K
IAI icon
1815
iShares US Broker-Dealers & Securities Exchanges ETF
IAI
$1.37B
– –
-37
Closed -$3.35K
IBDT icon
1816
iShares iBonds Dec 2028 Term Corporate ETF
IBDT
$4.07B
– –
-500
Closed -$12.5K
IDEV icon
1817
iShares Core MSCI International Developed Markets ETF
IDEV
$32.6B
– –
-565
Closed -$34.2K
IVZ icon
1818
Invesco
IVZ
$13.9B
– –
-20,122
Closed -$330K
KDP icon
1819
Keurig Dr Pepper
KDP
$40B
– –
-6,686
Closed -$236K
KJAN icon
1820
Innovator US Small Cap Power Buffer ETF January
KJAN
$328M
– –
-20,695
Closed -$636K
LABU icon
1821
Direxion Daily S&P Biotech Bull 3X ETF
LABU
$660M
– –
-5
Closed -$491
LDOS icon
1822
Leidos
LDOS
$17.5B
– –
-2,759
Closed -$254K
LECO icon
1823
Lincoln Electric
LECO
$15.5B
– –
-2,939
Closed -$497K
LRN icon
1824
Stride
LRN
$3.22B
– –
-8,500
Closed -$334K
LUMN icon
1825
Lumen
LUMN
$6.52B
– –
-33,671
Closed -$89.2K
71 72
73
74 75

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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.