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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
NURE icon
1551
Nuveen Short-Term REIT ETF
NURE
$34.8M
$62.5K ﹤0.01%
+2,000
New +$62.9K
NXE icon
1552
NexGen Energy
NXE
$7.07B
$62.5K ﹤0.01%
13,921
– –
NEPH icon
1553
Nephros
NEPH
$47.4M
$62.3K ﹤0.01%
36,249
– –
HLLY icon
1554
Holley
HLLY
$384M
$62.3K ﹤0.01%
24,250
+18,950
+358% +$53.2K
GGT
1555
Gabelli Multimedia Trust
GGT
$175M
$62K ﹤0.01%
13,392
– –
FDIS icon
1556
Fidelity MSCI Consumer Discretionary Index ETF
FDIS
$1.71B
$61.4K ﹤0.01%
727
+46
+7% +$4.33K
EWY icon
1557
iShares MSCI South Korea ETF
EWY
$27.2B
$60.3K ﹤0.01%
1,115
-32
-3% -$1.77K
DFEB icon
1558
FT Vest US Equity Deep Buffer ETF February
DFEB
$463M
$60.1K ﹤0.01%
1,426
– –
IAT icon
1559
iShares US Regional Banks ETF
IAT
$687M
$59.5K ﹤0.01%
1,277
– –
LMBS icon
1560
First Trust Exchange-Traded Fund IV First Trust Low Duration Opportunities ETF
LMBS
$6.39B
$59.5K ﹤0.01%
1,211
– –
DGRS icon
1561
WisdomTree Trust WisdomTree US SmallCap Quality Dividend Growth Fund
DGRS
$414M
$59.1K ﹤0.01%
1,270
-4,200
-77% -$209K
GVI icon
1562
iShares Intermediate Government/Credit Bond ETF
GVI
$3.79B
$59K ﹤0.01%
557
– –
HCAT icon
1563
Health Catalyst
HCAT
$135M
$58.9K ﹤0.01%
13,009
-4,225
-25% -$22.4K
EWJV icon
1564
iShares MSCI Japan Value ETF
EWJV
$754M
$58.2K ﹤0.01%
1,750
– –
EWA icon
1565
iShares MSCI Australia ETF
EWA
$1.46B
$57.4K ﹤0.01%
2,448
-132
-5% -$3.21K
SCHJ icon
1566
Schwab 1-5 Year Corporate Bond ETF
SCHJ
$848M
$55.7K ﹤0.01%
2,262
+1,131
+100% +$27.7K
IBTI icon
1567
iShares iBonds Dec 2028 Term Treasury ETF
IBTI
$1.93B
$55.5K ﹤0.01%
2,496
+1,286
+106% +$28.3K
TBF icon
1568
ProShares Short 20+ Year Treasury ETF
TBF
$106M
$55.5K ﹤0.01%
2,350
– –
FBT icon
1569
First Trust NYSE Arca Biotechnology Index Fund
FBT
$2.81B
$55.3K ﹤0.01%
325
-46
-12% -$7.99K
IGE icon
1570
iShares North American Natural Resources ETF
IGE
$786M
$55.2K ﹤0.01%
1,215
-345
-22% -$15.4K
IDU icon
1571
iShares US Utilities ETF
IDU
$1.37B
$55.1K ﹤0.01%
543
-77
-12% -$7.69K
LLYVK icon
1572
Liberty Live Group Series C
LLYVK
$9.8B
$54.2K ﹤0.01%
795
-6
-0.7% -$428
TALK icon
1573
Talkspace
TALK
$869M
$53.8K ﹤0.01%
+21,000
New +$65.4K
SDS icon
1574
ProShares UltraShort S&P500
SDS
$370M
$53.6K ﹤0.01%
500
– –
KCE icon
1575
State Street SPDR S&P Capital Markets ETF
KCE
$473M
$53.5K ﹤0.01%
424
-389
-48% -$53.2K
61 62
63
64 65

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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.