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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
PMT
1426
PennyMac Mortgage Investment
PMT
$827M
$175K ﹤0.01%
12,949
+208
+2% +$2.54K
FVAL icon
1427
Fidelity Value Factor ETF
FVAL
$1.37B
$173K ﹤0.01%
+3,524
New +$165K
INFY icon
1428
Infosys
INFY
$49.7B
$172K ﹤0.01%
10,687
-600
-5% -$9.38K
TILT icon
1429
FlexShares Morningstar US Market Factors Tilt Index Fund
TILT
$2.26B
$171K ﹤0.01%
1,016
-47
-4% -$7.49K
KD icon
1430
Kyndryl
KD
$2.85B
$170K ﹤0.01%
12,834
+77
+0.6% +$1.04K
SH icon
1431
ProShares Short S&P500
SH
$844M
$169K ﹤0.01%
3,041
-1,272
-29% -$75K
EWT icon
1432
iShares MSCI Taiwan ETF
EWT
$11.4B
$169K ﹤0.01%
3,585
-210
-6% -$9.58K
MKC.V icon
1433
McCormick & Company Voting
MKC.V
$14.2B
$168K ﹤0.01%
1,943
– –
EZU icon
1434
iShare MSCI Eurozone ETF
EZU
$9.93B
$167K ﹤0.01%
3,634
-355
-9% -$16.2K
XAR icon
1435
State Street SPDR S&P Aerospace & Defense ETF
XAR
$6.64B
$166K ﹤0.01%
1,368
-13,513
-91% -$1.57M
TFPM icon
1436
Triple Flag Precious Metals
TFPM
$6.64B
$165K ﹤0.01%
12,000
– –
SIRI icon
1437
SiriusXM
SIRI
$9.59B
$165K ﹤0.01%
3,637
+477
+15% +$18K
FDIQ
1438
Invesco Bloomberg Financial Data Providers ETF
FDIQ
$48.1M
$164K ﹤0.01%
3,791
+3,750
+9,146% +$162K
GVI icon
1439
iShares Intermediate Government/Credit Bond ETF
GVI
$3.79B
$163K ﹤0.01%
1,585
+86
+6% +$8.95K
FPE icon
1440
First Trust Preferred Securities and Income ETF
FPE
$6.33B
$162K ﹤0.01%
10,174
-5,175
-34% -$82.3K
SNAP icon
1441
Snap
SNAP
$8.79B
$161K ﹤0.01%
13,635
-260
-2% -$2.61K
AEF
1442
abrdn Emerging Markets Equity Income Fund
AEF
$380M
$160K ﹤0.01%
30,922
-1,926
-6% -$9.97K
EMB icon
1443
iShares JPMorgan USD Emerging Markets Bond ETF
EMB
$14.9B
$158K ﹤0.01%
1,826
-3,148
-63% -$269K
SPYD icon
1444
State Street SPDR Portfolio S&P 500 High Dividend ETF
SPYD
$7.69B
$156K ﹤0.01%
4,218
-1,370
-25% -$50.6K
CGW icon
1445
Invesco S&P Global Water Index ETF
CGW
$1.07B
$156K ﹤0.01%
3,031
+175
+6% +$8.76K
EMLP icon
1446
First Trust North American Energy Infrastructure Fund
EMLP
$4.15B
$155K ﹤0.01%
5,729
-6
-0.1% -$161
LSXMK
1447
DELISTED
Liberty Media Corporation Series C Liberty SiriusXM Common Stock
LSXMK
$153K ﹤0.01%
6,043
-4,014
-40% -$89.8K
GLAD icon
1448
Gladstone Capital
GLAD
$444M
$152K ﹤0.01%
+7,811
New +$148K
IBRX icon
1449
ImmunityBio
IBRX
$8.2B
$150K ﹤0.01%
54,031
+1,000
+2% +$2.83K
ITB icon
1450
iShares US Home Construction ETF
ITB
$2.34B
$150K ﹤0.01%
1,755
-50
-3% -$3.8K
56 57
58
59 60

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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.