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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
HTGC icon
551
Hercules Capital
HTGC
$3.14B
$3.84M 0.01%
200,000
-12,810
-6% -$259K
WSM icon
552
Williams-Sonoma
WSM
$28.9B
$3.84M 0.01%
24,272
-1,356
-5% -$262K
CIBR icon
553
First Trust NASDAQ Cybersecurity ETF
CIBR
$15.8B
$3.79M 0.01%
60,190
+11,170
+23% +$741K
UNF icon
554
Unifirst Corp
UNF
$5.22B
$3.77M 0.01%
21,642
+200
+0.9% +$41.8K
SLV icon
555
iShares Silver Trust
SLV
$31.4B
$3.76M 0.01%
121,352
+106,273
+705% +$3.09M
PAPR icon
556
Innovator US Equity Power Buffer ETF April
PAPR
$962M
$3.75M 0.01%
105,177
-2,000
-2% -$73.7K
WMB icon
557
Williams Companies
WMB
$89.8B
$3.74M 0.01%
62,610
+3,489
+6% +$200K
FIVE icon
558
Five Below
FIVE
$13.4B
$3.73M 0.01%
49,751
-4,117
-8% -$362K
SPIB icon
559
State Street SPDR Portfolio Intermediate Term Corporate Bond ETF
SPIB
$11.6B
$3.72M 0.01%
111,820
+2,219
+2% +$73.1K
GXO icon
560
GXO Logistics
GXO
$5.53B
$3.69M 0.01%
94,298
-5,976
-6% -$250K
TTEK icon
561
Tetra Tech
TTEK
$9.04B
$3.68M 0.01%
125,962
-55,932
-31% -$1.88M
AKAM icon
562
Akamai
AKAM
$17.8B
$3.67M 0.01%
45,626
-4,871
-10% -$437K
RHI icon
563
Robert Half
RHI
$4.27B
$3.64M 0.01%
66,795
-1,767
-3% -$108K
BBY icon
564
Best Buy
BBY
$18B
$3.63M 0.01%
49,375
+931
+2% +$76.8K
KHC icon
565
Kraft Heinz
KHC
$29.7B
$3.63M 0.01%
119,291
-28,642
-19% -$857K
ZBH icon
566
Zimmer Biomet
ZBH
$18.8B
$3.63M 0.01%
32,033
+70
+0.2% +$7.49K
PRAA icon
567
PRA Group
PRAA
$786M
$3.62M 0.01%
175,749
+5,610
+3% +$119K
MUB icon
568
iShares National Muni Bond ETF
MUB
$45.9B
$3.61M 0.01%
34,226
+2,395
+8% +$255K
KKR icon
569
KKR & Co
KKR
$101B
$3.59M 0.01%
31,085
+2,953
+10% +$406K
MOAT icon
570
VanEck Morningstar Wide Moat ETF
MOAT
$12.4B
$3.59M 0.01%
40,788
-1,984
-5% -$183K
DKS icon
571
Dick's Sporting Goods
DKS
$18B
$3.55M 0.01%
17,604
-3,264
-16% -$729K
KRE icon
572
State Street SPDR S&P Regional Banking ETF
KRE
$4.67B
$3.53M 0.01%
62,130
+604
+1% +$36.7K
DLR icon
573
Digital Realty Trust
DLR
$73.1B
$3.53M 0.01%
24,640
-808
-3% -$131K
VDE icon
574
Vanguard Energy ETF
VDE
$10.4B
$3.53M 0.01%
27,184
-210
-0.8% -$26.5K
LDOS icon
575
Leidos
LDOS
$17.7B
$3.52M 0.01%
26,053
-2,960
-10% -$413K
21 22
23
24 25

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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.