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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
-1.82%
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
$33.2B
AUM Growth
-$1.22B
Cap. Flow
+$11.1M
Cap. Flow %
0.03%
Top 10 Hldgs %
23.77%
Holding
1,895
New
82
Increased
626
Reduced
808
Closed
94

Top Buys

Rank Stock Value
1
META icon
Meta Platforms (Facebook)
META
+$112M
2
AAON icon
Aaon
AAON
+$104M
3
GEV icon
GE Vernova
GEV
+$77.6M
4
QCOM icon
Qualcomm
QCOM
+$47M
5
WM icon
Waste Management
WM
+$44.3M

Top Sells

Rank Stock Value
1
INTU icon
Intuit
INTU
+$65.9M
2
POOL icon
Pool Corp
POOL
+$64.7M
3
DHR icon
Danaher
DHR
+$59.8M
4
ZTS icon
Zoetis
ZTS
+$57.9M
5
SCHW
Charles Schwab
SCHW
+$44.5M

Sector Composition

Rank Sector Weight
1 Technology 26.23%
2 Financials 14.3%
3 Healthcare 12.58%
4 Industrials 12.51%
5 Consumer Discretionary 7.94%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
HESM icon
1376
Hess Midstream
HESM
$5.12B
$216K ﹤0.01%
+5,100
New +$208K
UGI icon
1377
UGI
UGI
$7.55B
$215K ﹤0.01%
+6,516
New +$206K
SWKS icon
1378
Skyworks Solutions
SWKS
$10.5B
$215K ﹤0.01%
3,320
-1,085
-25% -$82.6K
STLD icon
1379
Steel Dynamics
STLD
$37.7B
$214K ﹤0.01%
+1,713
New +$217K
DLS icon
1380
WisdomTree International SmallCap Dividend Fund
DLS
$1.08B
$214K ﹤0.01%
3,242
– –
SPAB icon
1381
State Street SPDR Portfolio Aggregate Bond ETF
SPAB
$9.95B
$213K ﹤0.01%
8,340
-1,517
-15% -$38.3K
MTN icon
1382
Vail Resorts
MTN
$5.18B
$212K ﹤0.01%
1,326
-590
-31% -$98.1K
RPRX icon
1383
Royalty Pharma
RPRX
$26B
$212K ﹤0.01%
+6,801
New +$216K
BF.B icon
1384
Brown-Forman Class B
BF.B
$12.8B
$212K ﹤0.01%
6,236
+488
+8% +$16.4K
CCNE icon
1385
CNB Financial Corp
CCNE
$1.03B
$212K ﹤0.01%
9,508
+1,008
+12% +$24.5K
SKYY icon
1386
First Trust Cloud Computing ETF
SKYY
$3.3B
$209K ﹤0.01%
2,048
+25
+1% +$2.98K
IVOV icon
1387
Vanguard S&P Mid-Cap 400 Value ETF
IVOV
$1.37B
$209K ﹤0.01%
2,273
+873
+62% +$83.8K
RSPH icon
1388
Invesco S&P 500 Equal Weight Health Care ETF
RSPH
$794M
$208K ﹤0.01%
7,000
-4,420
-39% -$134K
DFAT icon
1389
Dimensional US Targeted Value ETF
DFAT
$14.8B
$208K ﹤0.01%
4,043
+434
+12% +$23.9K
FTC icon
1390
First Trust Large Cap Growth AlphaDEX Fund
FTC
$1.41B
$207K ﹤0.01%
1,575
– –
ITB icon
1391
iShares US Home Construction ETF
ITB
$2.36B
$206K ﹤0.01%
2,166
-1,138
-34% -$116K
GRID
1392
First Trust NASDAQ Clean Edge Smart Grid Infrastructure Index Fund
GRID
$12.3B
$206K ﹤0.01%
1,818
-42
-2% -$5.03K
BECN
1393
DELISTED
Beacon Roofing Supply, Inc.
BECN
$204K ﹤0.01%
1,650
-20,683
-93% -$2.41M
CM icon
1394
Canadian Imperial Bank of Commerce
CM
$112B
$204K ﹤0.01%
3,617
-2,041
-36% -$123K
EIX icon
1395
Edison International
EIX
$26.9B
$203K ﹤0.01%
3,446
+362
+12% +$20.8K
SXI icon
1396
Standex International
SXI
$4.03B
$202K ﹤0.01%
+1,251
New +$229K
FDUS icon
1397
Fidus Investment
FDUS
$755M
$202K ﹤0.01%
9,883
– –
EWO icon
1398
iShares MSCI Austria ETF
EWO
$188M
$201K ﹤0.01%
8,000
– –
EXPE icon
1399
Expedia Group
EXPE
$39.2B
$200K ﹤0.01%
+1,190
New +$217K
SNSR icon
1400
Global X Internet of Things ETF
SNSR
$224M
$198K ﹤0.01%
6,021
+30
+0.5% +$1.06K
54 55
56
57 58

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William Blair & Company's Q1 2025 Portfolio in Review

As of Q1 2025, William Blair & Company held 1,895 positions worth $33.2B, down 3.6% from $34.4B the previous quarter. Its ten largest holdings account for 24% of the portfolio.

William Blair & Company's Q1 2025 filing shows 82 new, 626 increased, 808 reduced and 94 closed positions. Its largest new stake was CCC Intelligent Solutions: 320,989 shares worth $2.9M. The largest sale was Intuit, an estimated $65.9M.

By sector, the portfolio is most concentrated in Technology at 26% of assets, down from 28% a quarter earlier, followed by Financials and Healthcare.

  • William Blair & Company's largest Q1 2025 buy was CCC Intelligent Solutions: 320,989 shares worth $2.9M.
  • William Blair & Company added most to Meta Platforms (Facebook) in Q1 2025, an estimated $112M increase.
  • William Blair & Company's biggest Q1 2025 reduction was Intuit, cutting an estimated $65.9M.
  • William Blair & Company fully exited Smartsheet Inc. in Q1 2025, selling an estimated $3.52M.
  • William Blair & Company's ten largest holdings make up 24% of its $33.2B portfolio in Q1 2025.
  • William Blair & Company opened 82 new positions and closed 94 in Q1 2025.
  • William Blair & Company's portfolio value fell 3.6% quarter-over-quarter to $33.2B.

Based on William Blair & Company's 13F filing for Q1 2025, filed 9 May 2025.