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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
TEVA icon
1526
Teva Pharmaceuticals
TEVA
$42.8B
$81.1K ﹤0.01%
10,770
-18
-0.2% -$146
PRN icon
1527
Invesco Dorsey Wright Industrials Momentum ETF
PRN
$445M
$80.1K ﹤0.01%
761
– –
INFN
1528
DELISTED
Infinera Corporation Common Stock
INFN
$79.7K ﹤0.01%
+16,500
New +$90.7K
SJNK icon
1529
State Street SPDR Bloomberg Short Term High Yield Bond ETF
SJNK
$4.8B
$79.3K ﹤0.01%
3,209
+702
+28% +$17.2K
EUFN icon
1530
iShares MSCI Europe Financials ETF
EUFN
$4.29B
$79.1K ﹤0.01%
4,126
-22,105
-84% -$426K
GENI icon
1531
Genius Sports
GENI
$2.12B
$77.7K ﹤0.01%
12,551
– –
DGRS icon
1532
WisdomTree Trust WisdomTree US SmallCap Quality Dividend Growth Fund
DGRS
$414M
$77.2K ﹤0.01%
1,820
– –
USHY icon
1533
iShares Broad USD High Yield Corporate Bond ETF
USHY
$29.1B
$76.8K ﹤0.01%
2,176
+182
+9% +$6.38K
OVID icon
1534
Ovid Therapeutics
OVID
$489M
$76.5K ﹤0.01%
23,327
-1,001
-4% -$3.4K
VUZI icon
1535
Vuzix
VUZI
$218M
$75.6K ﹤0.01%
14,817
– –
MAMA icon
1536
Mama's Creations
MAMA
$826M
$75.5K ﹤0.01%
25,000
– –
XYLD icon
1537
Global X S&P 500 Covered Call ETF
XYLD
$3.28B
$74.4K ﹤0.01%
1,812
-52
-3% -$2.12K
DBEU icon
1538
Xtrackers MSCI Europe Hedged Equity ETF
DBEU
$798M
$72.5K ﹤0.01%
2,000
– –
ILCG icon
1539
iShares Morningstar Growth ETF
ILCG
$3.28B
$71.8K ﹤0.01%
1,152
-635
-36% -$36.5K
FXL icon
1540
First Trust Technology AlphaDEX Fund
FXL
$2.84B
$70.8K ﹤0.01%
615
– –
IFLN
1541
Invesco Bloomberg Enhanced Fallen Angels ETF
IFLN
$306M
$70.1K ﹤0.01%
4,008
– –
PPH icon
1542
VanEck Pharmaceutical ETF
PPH
$990M
$69.5K ﹤0.01%
882
– –
LCID icon
1543
Lucid Motors
LCID
$2.58B
$69K ﹤0.01%
+1,002
New +$71.5K
PFIN
1544
DELISTED
P&F Industries
PFIN
$68.9K ﹤0.01%
11,000
– –
BBH icon
1545
VanEck Biotech ETF
BBH
$429M
$66.3K ﹤0.01%
425
– –
JHML icon
1546
John Hancock Multifactor Large Cap ETF
JHML
$1.2B
$66.3K ﹤0.01%
1,207
– –
FSR
1547
DELISTED
Fisker Inc.
FSR
$66K ﹤0.01%
+11,701
New +$67.5K
RC
1548
Ready Capital
RC
$289M
$65.3K ﹤0.01%
5,792
-1,812
-24% -$19.1K
FSMB icon
1549
First Trust Short Duration Managed Municipal ETF
FSMB
$627M
$65.1K ﹤0.01%
3,300
– –
SWN
1550
DELISTED
Southwestern Energy Company
SWN
$65.1K ﹤0.01%
10,833
– –
60 61
62
63 64

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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.