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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
CROX icon
1376
Crocs
CROX
$6.26B
$216K ﹤0.01%
1,923
-391
-17% -$46.6K
AA icon
1377
Alcoa
AA
$13.5B
$216K ﹤0.01%
+6,371
New +$231K
SPAB icon
1378
State Street SPDR Portfolio Aggregate Bond ETF
SPAB
$9.93B
$216K ﹤0.01%
8,510
+6,800
+398% +$174K
CR icon
1379
Crane Co
CR
$12.9B
$215K ﹤0.01%
2,418
-52
-2% -$4.01K
DXJ icon
1380
WisdomTree Japan Hedged Equity Fund
DXJ
$7.53B
$215K ﹤0.01%
2,588
SLN
1381
Silence Therapeutics
SLN
$641M
$214K ﹤0.01%
38,986
-2,277
-6% -$13.7K
LGIH icon
1382
LGI Homes
LGIH
$1.32B
$214K ﹤0.01%
+1,584
New +$190K
BRKL
1383
DELISTED
Brookline Bancorp
BRKL
$212K ﹤0.01%
24,210
-2,000
-8% -$18.2K
MAN icon
1384
ManpowerGroup
MAN
$2.61B
$210K ﹤0.01%
2,647
-487
-16% -$36.8K
IKT icon
1385
Inhibikase Therapeutics
IKT
$377M
$209K ﹤0.01%
57,888
+11,888
+26% +$44.3K
LAD icon
1386
Lithia Motors
LAD
$8.32B
$208K ﹤0.01%
+685
New +$164K
ASB icon
1387
Associated Banc-Corp
ASB
$6.07B
$208K ﹤0.01%
+12,788
New +$211K
USIG icon
1388
iShares Broad USD Investment Grade Corporate Bond ETF
USIG
$17.3B
$207K ﹤0.01%
4,135
-781
-16% -$39.2K
DXYN
1389
DELISTED
Dixie Group Inc
DXYN
$206K ﹤0.01%
154,608
-25,000
-14% -$24.1K
COMT icon
1390
iShares GSCI Commodity Dynamic Roll Strategy ETF
COMT
$1.23B
$204K ﹤0.01%
7,854
IEV icon
1391
iShares Europe ETF
IEV
$1.7B
$204K ﹤0.01%
4,037
+1,000
+33% +$50.9K
WBS icon
1392
Webster Financial
WBS
$12.8B
$204K ﹤0.01%
+5,398
New +$199K
EWO icon
1393
iShares MSCI Austria ETF
EWO
$187M
$203K ﹤0.01%
10,000
LKQ icon
1394
LKQ Corp
LKQ
$6.25B
$202K ﹤0.01%
3,462
-255
-7% -$14.2K
MMI icon
1395
Marcus & Millichap
MMI
$1.18B
$201K ﹤0.01%
6,379
-610
-9% -$18.9K
SNSR icon
1396
Global X Internet of Things ETF
SNSR
$224M
$201K ﹤0.01%
5,803
IFRA icon
1397
iShares US Infrastructure ETF
IFRA
$4.62B
$198K ﹤0.01%
5,071
+1,284
+34% +$48K
VRIG icon
1398
Invesco Variable Rate Investment Grade ETF
VRIG
$1.85B
$198K ﹤0.01%
7,935
TWOU
1399
DELISTED
2U Inc
TWOU
$197K ﹤0.01%
1,627
-41
-2% -$5.45K
BAB icon
1400
Invesco Taxable Municipal Bond ETF
BAB
$1.01B
$196K ﹤0.01%
7,400

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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.