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William Blair & Company

William Blair & Company Portfolio holdings

AUM $34.9B
1-Year Est. Return 18.88%
This Fund
S&P 500
This Quarter Est. Return
+7.16%
1 Year Est. Return
+18.88%
3 Year Est. Return
+73.84%
5 Year Est. Return
+90.13%
10 Year Est. Return
+563.35%
AUM
$34.1B
AUM Growth
+$1.63B
Cap. Flow
-$169M
Cap. Flow %
-0.5%
Top 10 Hldgs %
23.77%
Holding
1,892
New
86
Increased
671
Reduced
778
Closed
71

Top Buys

Rank Stock Value
1
NVDA icon
NVIDIA
NVDA
+$92.1M
2
AAON icon
Aaon
AAON
+$55.5M
3
P
Everpure Inc
P
+$43.5M
4
BAH icon
Booz Allen Hamilton
BAH
+$29M
5
RBC icon
RBC Bearings
RBC
+$26.8M

Top Sells

Rank Stock Value
1
DXCM icon
DexCom
DXCM
+$128M
2
CRWD icon
CrowdStrike
CRWD
+$42.9M
3
BLK icon
Blackrock
BLK
+$42M
4
CSGP icon
CoStar Group
CSGP
+$41.5M
5
SBUX icon
Starbucks
SBUX
+$38.8M

Sector Composition

Rank Sector Weight
1 Technology 27.11%
2 Healthcare 14.76%
3 Financials 12.67%
4 Industrials 11.93%
5 Consumer Discretionary 7.9%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
EUSA icon
1251
iShares MSCI USA Equal Weighted ETF
EUSA
$1.93B
$330K ﹤0.01%
3,449
-3,715
-52% -$340K
CRL icon
1252
Charles River Laboratories
CRL
$12.8B
$330K ﹤0.01%
1,676
+4
+0.2% +$831
SLAB icon
1253
Silicon Laboratories
SLAB
$7.23B
$329K ﹤0.01%
2,850
– –
FA icon
1254
First Advantage
FA
$4.12B
$328K ﹤0.01%
16,500
-2,000
-11% -$35.7K
LFMD icon
1255
LifeMD
LFMD
$172M
$328K ﹤0.01%
62,500
– –
CM icon
1256
Canadian Imperial Bank of Commerce
CM
$108B
$324K ﹤0.01%
5,275
-129
-2% -$6.99K
IPAY icon
1257
Amplify Mobile Payments ETF
IPAY
$182M
$320K ﹤0.01%
6,115
-371
-6% -$18.3K
HAYW icon
1258
Hayward Holdings
HAYW
$3.36B
$320K ﹤0.01%
20,836
-7,150
-26% -$99K
ITIC
1259
Investors Title Co
ITIC
$547M
$318K ﹤0.01%
1,384
– –
G icon
1260
Genpact
G
$5.76B
$317K ﹤0.01%
+8,097
New +$293K
BXC icon
1261
BlueLinx
BXC
$706M
$316K ﹤0.01%
+3,000
New +$306K
BRKL
1262
DELISTED
Brookline Bancorp
BRKL
$315K ﹤0.01%
31,210
+9,000
+41% +$88.4K
INVH icon
1263
Invitation Homes
INVH
$18B
$314K ﹤0.01%
8,918
-993
-10% -$35.5K
NE icon
1264
Noble Corp
NE
$6.51B
$312K ﹤0.01%
8,624
– –
SPYD icon
1265
State Street SPDR Portfolio S&P 500 High Dividend ETF
SPYD
$7.71B
$311K ﹤0.01%
6,807
– –
RGEN icon
1266
Repligen
RGEN
$9.25B
$310K ﹤0.01%
2,085
-683
-25% -$97.9K
OSW icon
1267
OneSpaWorld
OSW
$2.66B
$310K ﹤0.01%
18,765
-500
-3% -$7.92K
CNO icon
1268
CNO Financial Group
CNO
$5.1B
$309K ﹤0.01%
8,815
-198
-2% -$6.37K
CVLT icon
1269
Commault Systems
CVLT
$5.61B
$308K ﹤0.01%
2,000
– –
DBC icon
1270
Invesco DB Commodity Index Tracking Fund
DBC
$1.66B
$308K ﹤0.01%
13,814
-10
-0.1% -$223
GSLC icon
1271
Goldman Sachs ActiveBeta US Large Cap Equity ETF
GSLC
$16B
$307K ﹤0.01%
2,720
-186
-6% -$20.2K
AGI icon
1272
Alamos Gold
AGI
$13.9B
$307K ﹤0.01%
15,382
-2,524
-14% -$46.3K
DON icon
1273
WisdomTree US MidCap Dividend Fund
DON
$4.09B
$306K ﹤0.01%
5,975
+701
+13% +$34.3K
BWIN
1274
Baldwin Insurance Group
BWIN
$2.86B
$305K ﹤0.01%
+6,133
New +$267K
TCOM icon
1275
Trip.com Group
TCOM
$29.1B
$305K ﹤0.01%
5,130
+786
+18% +$36.4K
49 50
51
52 53

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William Blair & Company's Q3 2024 Portfolio in Review

As of Q3 2024, William Blair & Company held 1,892 positions worth $34.1B, up 5% from $32.4B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair & Company's Q3 2024 filing shows 86 new, 671 increased, 778 reduced and 71 closed positions. Its largest new stake was PAR Technology: 73,733 shares worth $3.84M. The largest sale was DexCom, an estimated $128M.

By sector, the portfolio is most concentrated in Technology at 27% of assets, down from 27% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q3 2024 buy was PAR Technology: 73,733 shares worth $3.84M.
  • William Blair & Company added most to NVIDIA in Q3 2024, an estimated $92.1M increase.
  • William Blair & Company's biggest Q3 2024 reduction was DexCom, cutting an estimated $128M.
  • William Blair & Company fully exited Blackrock in Q3 2024, selling an estimated $42M.
  • William Blair & Company's ten largest holdings make up 24% of its $34.1B portfolio in Q3 2024.
  • William Blair & Company opened 86 new positions and closed 71 in Q3 2024.
  • William Blair & Company's portfolio value rose 5% quarter-over-quarter to $34.1B.

Based on William Blair & Company's 13F filing for Q3 2024, filed 12 Nov 2024.