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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
BITO icon
1426
ProShares Bitcoin Strategy ETF
BITO
$1.43B
$170K ﹤0.01%
9,280
+547
+6% +$11.9K
BAB icon
1427
Invesco Taxable Municipal Bond ETF
BAB
$1.01B
$170K ﹤0.01%
6,366
– –
KELYA icon
1428
Kelly Services Class A
KELYA
$546M
$169K ﹤0.01%
12,842
+898
+8% +$12.3K
DLTH icon
1429
Duluth Holdings
DLTH
$153M
$168K ﹤0.01%
96,832
-7,400
-7% -$20K
EZU icon
1430
iShare MSCI Eurozone ETF
EZU
$9.94B
$168K ﹤0.01%
3,161
-178
-5% -$9.25K
VMD icon
1431
Viemed Healthcare
VMD
$359M
$167K ﹤0.01%
23,000
– –
CGW icon
1432
Invesco S&P Global Water Index ETF
CGW
$1.06B
$164K ﹤0.01%
2,942
+20
+0.7% +$1.1K
EWT icon
1433
iShares MSCI Taiwan ETF
EWT
$11.6B
$162K ﹤0.01%
3,420
-109
-3% -$5.61K
TDIV icon
1434
First Trust NASDAQ Technology Dividend Index Fund
TDIV
$4.46B
$160K ﹤0.01%
2,175
-50
-2% -$3.96K
TAK icon
1435
Takeda Pharmaceutical
TAK
$55.6B
$158K ﹤0.01%
10,623
-1,576
-13% -$22.1K
MKC.V icon
1436
McCormick & Company Voting
MKC.V
$14.6B
$158K ﹤0.01%
1,921
– –
VRP icon
1437
Invesco Variable Rate Preferred ETF
VRP
$3.01B
$157K ﹤0.01%
6,485
-931
-13% -$22.6K
EVEX icon
1438
Eve Holding
EVEX
$944M
$156K ﹤0.01%
47,017
– –
XME icon
1439
State Street SPDR S&P Metals & Mining ETF
XME
$4.47B
$156K ﹤0.01%
2,787
-30,501
-92% -$1.79M
FXI icon
1440
iShares China Large-Cap ETF
FXI
$4.16B
$154K ﹤0.01%
4,301
-27,899
-87% -$944K
IGF icon
1441
iShares Global Infrastructure ETF
IGF
$10.7B
$153K ﹤0.01%
2,801
+521
+23% +$27.9K
JMBS icon
1442
Janus Henderson Mortgage-Backed Securities ETF
JMBS
$6.77B
$153K ﹤0.01%
3,383
+7
+0.2% +$312
IEO icon
1443
iShares US Oil & Gas Exploration & Production ETF
IEO
$586M
$153K ﹤0.01%
1,614
– –
IEV icon
1444
iShares Europe ETF
IEV
$1.7B
$153K ﹤0.01%
2,622
– –
RIOT icon
1445
Riot Platforms
RIOT
$7.45B
$148K ﹤0.01%
+20,750
New +$215K
PTON icon
1446
Peloton Interactive
PTON
$2.38B
$148K ﹤0.01%
23,341
-554
-2% -$4.35K
SPTL icon
1447
State Street SPDR Portfolio Long Term Treasury ETF
SPTL
$10.8B
$147K ﹤0.01%
5,408
-949
-15% -$25.3K
QLD icon
1448
ProShares Ultra QQQ
QLD
$14.4B
$145K ﹤0.01%
3,272
– –
GMF icon
1449
State Street SPDR S&P Emerging Asia Pacific ETF
GMF
$442M
$145K ﹤0.01%
1,255
– –
DBEU icon
1450
Xtrackers MSCI Europe Hedged Equity ETF
DBEU
$800M
$145K ﹤0.01%
3,287
+1,287
+64% +$57.1K
56 57
58
59 60

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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.