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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
PCT icon
1476
PureCycle Technologies
PCT
$1.44B
$114K ﹤0.01%
16,471
– –
VIOG icon
1477
Vanguard S&P Small-Cap 600 Growth ETF
VIOG
$1.13B
$114K ﹤0.01%
1,065
– –
GWRS icon
1478
Global Water Resources
GWRS
$219M
$113K ﹤0.01%
+11,000
New +$125K
VTRS icon
1479
Viatris
VTRS
$18.5B
$113K ﹤0.01%
12,967
-26
-0.2% -$273
UPRO icon
1480
ProShares UltraPro S&P 500
UPRO
$5.74B
$112K ﹤0.01%
1,522
– –
MINO icon
1481
PIMCO Municipal Income Opportunities Active ETF
MINO
$753M
$111K ﹤0.01%
2,490
– –
RWL icon
1482
Invesco S&P 500 Revenue ETF
RWL
$9.95B
$111K ﹤0.01%
1,117
– –
FHLC icon
1483
Fidelity MSCI Health Care Index ETF
FHLC
$3.42B
$110K ﹤0.01%
1,607
+158
+11% +$10.8K
OABI icon
1484
OmniAb
OABI
$497M
$108K ﹤0.01%
45,171
– –
DGS icon
1485
WisdomTree Emerging Markets SmallCap Dividend Fund
DGS
$1.78B
$108K ﹤0.01%
2,242
-100
-4% -$4.91K
SMMU icon
1486
PIMCO Short Term Municipal Bond Active Exchange-Traded Fund
SMMU
$1.17B
$108K ﹤0.01%
2,162
– –
FV icon
1487
First Trust Dorsey Wright Focus 5 ETF
FV
$3.8B
$105K ﹤0.01%
1,910
-548
-22% -$32.5K
SHYG icon
1488
iShares 0-5 Year High Yield Corporate Bond ETF
SHYG
$7.61B
$102K ﹤0.01%
2,397
+648
+37% +$27.8K
SPTI icon
1489
State Street SPDR Portfolio Intermediate Term Treasury ETF
SPTI
$10.6B
$101K ﹤0.01%
3,545
+484
+16% +$13.6K
SPYD icon
1490
State Street SPDR Portfolio S&P 500 High Dividend ETF
SPYD
$7.69B
$101K ﹤0.01%
2,288
-4,519
-66% -$199K
TLRY icon
1491
Tilray
TLRY
$637M
$101K ﹤0.01%
15,373
– –
CDXS icon
1492
Codexis
CDXS
$175M
$99.1K ﹤0.01%
36,830
– –
GNL icon
1493
Global Net Lease
GNL
$1.9B
$98.9K ﹤0.01%
12,300
– –
PKW icon
1494
Invesco BuyBack Achievers ETF
PKW
$1.78B
$98.8K ﹤0.01%
877
– –
NULV icon
1495
Nuveen ESG Large-Cap Value ETF
NULV
$2.28B
$98.3K ﹤0.01%
+2,428
New +$98.5K
SJNK icon
1496
State Street SPDR Bloomberg Short Term High Yield Bond ETF
SJNK
$4.8B
$95.8K ﹤0.01%
3,809
+15
+0.4% +$381
SCHH icon
1497
Schwab US REIT ETF
SCHH
$11.3B
$95.3K ﹤0.01%
4,430
+656
+17% +$14K
CLOV icon
1498
Clover Health Investments
CLOV
$2.41B
$95.1K ﹤0.01%
+26,500
New +$106K
FREL icon
1499
Fidelity MSCI Real Estate Index ETF
FREL
$1.47B
$92.2K ﹤0.01%
3,355
-730
-18% -$20.1K
XMLV icon
1500
Invesco S&P MidCap Low Volatility ETF
XMLV
$743M
$91.4K ﹤0.01%
1,480
-930
-39% -$57.1K
58 59
60
61 62

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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.