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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
IEMG icon
251
iShares Core MSCI Emerging Markets ETF
IEMG
$158B
$15.4M 0.05%
285,528
-4,338
-1% -$234K
FSV icon
252
FirstService
FSV
$6.24B
$15.4M 0.05%
92,651
+2,187
+2% +$383K
ESGD icon
253
iShares ESG Aware MSCI EAFE ETF
ESGD
$12.3B
$15.3M 0.05%
187,712
-119
-0.1% -$9.6K
XLK icon
254
State Street Technology Select Sector SPDR ETF
XLK
$124B
$15.3M 0.05%
148,142
-8,832
-6% -$1M
VNQ icon
255
Vanguard Real Estate ETF
VNQ
$38.6B
$15M 0.05%
165,242
-22,398
-12% -$2.03M
RCL icon
256
Royal Caribbean
RCL
$82.4B
$14.8M 0.04%
72,207
-4,023
-5% -$950K
KMI icon
257
Kinder Morgan
KMI
$70.7B
$14.7M 0.04%
516,393
-8,160
-2% -$226K
PJAN icon
258
Innovator US Equity Power Buffer ETF January
PJAN
$1.43B
$14.6M 0.04%
351,083
+336,015
+2,230% +$14.2M
IRT icon
259
Independence Realty Trust
IRT
$3.96B
$14.6M 0.04%
685,439
-10,759
-2% -$217K
OKE icon
260
Oneok
OKE
$58.3B
$14.4M 0.04%
145,388
-1,836
-1% -$182K
COF icon
261
Capital One
COF
$136B
$14.4M 0.04%
80,383
+57,246
+247% +$10.8M
T icon
262
AT&T
T
$166B
$14.4M 0.04%
509,332
+131,378
+35% +$3.3M
SHW icon
263
Sherwin-Williams
SHW
$87.4B
$14.3M 0.04%
41,087
-1,575
-4% -$553K
SYY icon
264
Sysco
SYY
$40.5B
$14.2M 0.04%
188,623
-36,780
-16% -$2.7M
EFX icon
265
Equifax
EFX
$21.2B
$14.1M 0.04%
58,001
-1,373
-2% -$345K
PJUL icon
266
Innovator US Equity Power Buffer ETF July
PJUL
$1.29B
$14.1M 0.04%
350,090
-6,560
-2% -$271K
ARES icon
267
Ares Management
ARES
$32.1B
$14M 0.04%
95,262
+1,169
+1% +$202K
XLE icon
268
State Street Energy Select Sector SPDR ETF
XLE
$39.9B
$13.9M 0.04%
298,236
-6,622
-2% -$299K
VMI icon
269
Valmont Industries
VMI
$9.52B
$13.9M 0.04%
48,787
+1,568
+3% +$511K
GLW icon
270
Corning
GLW
$144B
$13.9M 0.04%
303,417
+40,904
+16% +$2.02M
SNPS icon
271
Synopsys
SNPS
$79B
$13.7M 0.04%
32,043
-1,389
-4% -$675K
NTRS icon
272
Northern Trust
NTRS
$35B
$13.7M 0.04%
139,089
-2,202
-2% -$234K
CBOE icon
273
Cboe Global Markets
CBOE
$30.4B
$13.7M 0.04%
60,571
+1,833
+3% +$380K
CMI icon
274
Cummins
CMI
$87.8B
$13.7M 0.04%
43,663
+480
+1% +$169K
PH icon
275
Parker-Hannifin
PH
$135B
$13.6M 0.04%
22,456
-232
-1% -$152K
9 10
11
12 13

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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.