We are live on ! Find out more
William Blair Investment Management

William Blair Investment Management Portfolio holdings

AUM $33.3B
1-Year Est. Return 44.76%
This Fund
S&P 500
This Quarter Est. Return
+15.93%
1 Year Est. Return
+44.76%
3 Year Est. Return
+140.8%
5 Year Est. Return
+166.51%
10 Year Est. Return
+978.6%
AUM
$34.4B
AUM Growth
+$4.27B
Cap. Flow
+$63.7M
Cap. Flow %
0.19%
Top 10 Hldgs %
22.06%
Holding
433
New
35
Increased
127
Reduced
244
Closed
27

Top Buys

Rank Stock Value
1
PDD icon
Pinduoduo
PDD
+$279M
2
CRH icon
CRH
CRH
+$151M
3
CWAN
Clearwater Analytics
CWAN
+$143M
4
EXLS icon
EXL Service
EXLS
+$102M
5
A icon
Agilent Technologies
A
+$76.4M

Top Sells

Rank Stock Value
1
PFGC icon
Performance Food Group
PFGC
+$156M
2
PXD
Pioneer Natural Resource Co.
PXD
+$101M
3
CP icon
Canadian Pacific Kansas City
CP
+$97.2M
4
WOLF icon
Wolfspeed
WOLF
+$86.6M
5
AXON
Axon Enterprise
AXON
+$79.8M

Sector Composition

Rank Sector Weight
1 Technology 27.13%
2 Healthcare 15.5%
3 Consumer Discretionary 15.19%
4 Industrials 14.17%
5 Financials 9.11%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
ROP icon
226
Roper Technologies
ROP
$39.1B
$30.5M 0.09%
55,958
+1,940
+4% +$999K
TEX icon
227
Terex
TEX
$7.8B
$30.3M 0.09%
527,548
-8,642
-2% -$447K
GEF icon
228
Greif
GEF
$5B
$30.2M 0.09%
460,120
-8,811
-2% -$581K
XPRO icon
229
Expro Ltd
XPRO
$2.07B
$30M 0.09%
1,886,889
-34,775
-2% -$600K
PRGS icon
230
Progress Software
PRGS
$1.79B
$30M 0.09%
552,607
-8,022
-1% -$425K
RYZ
231
Ryerson Holding Corp
RYZ
$1.5B
$29.8M 0.09%
858,581
+49,997
+6% +$1.49M
VCEL icon
232
Vericel Corp
VCEL
$2.29B
$29.7M 0.09%
834,885
-20,322
-2% -$708K
HWC icon
233
Hancock Whitney
HWC
$6.34B
$29.1M 0.08%
599,572
-11,426
-2% -$457K
SR icon
234
Spire
SR
$4.89B
$28.9M 0.08%
464,236
-8,959
-2% -$535K
INVX
235
Innovex International
INVX
$2.13B
$28.8M 0.08%
1,237,291
-46,786
-4% -$1.1M
VMC icon
236
Vulcan Materials
VMC
$36.3B
$28.8M 0.08%
126,754
+3,077
+2% +$652K
KFY icon
237
Korn Ferry
KFY
$4.28B
$28.5M 0.08%
479,603
+156,392
+48% +$7.99M
NWE icon
238
NorthWestern Energy
NWE
$4.34B
$28.3M 0.08%
556,348
-10,684
-2% -$533K
FCPT icon
239
Four Corners Property Trust
FCPT
$2.74B
$28.2M 0.08%
1,113,076
-22,291
-2% -$511K
CHX
240
DELISTED
ChampionX
CHX
$28.1M 0.08%
963,020
+137,602
+17% +$4.26M
BLFS icon
241
BioLife Solutions
BLFS
$1.71B
$27.8M 0.08%
1,712,927
+1,036,937
+153% +$13.2M
PRAA icon
242
PRA Group
PRAA
$737M
$27.7M 0.08%
1,058,229
-28,070
-3% -$525K
DLX icon
243
Deluxe
DLX
$1.09B
$27.7M 0.08%
1,291,584
-26,031
-2% -$485K
WLY icon
244
John Wiley & Sons Class A
WLY
$2.53B
$27.7M 0.08%
872,362
+129,997
+18% +$4.07M
DFIN icon
245
Donnelley Financial Solutions
DFIN
$1.17B
$27.6M 0.08%
442,399
-79,603
-15% -$4.54M
ADNT icon
246
Adient
ADNT
$1.44B
$27.5M 0.08%
754,986
+58,103
+8% +$1.99M
AVNS
247
DELISTED
Avanos Medical
AVNS
$27.4M 0.08%
1,220,210
+125,535
+11% +$2.59M
ANIP icon
248
ANI Pharmaceuticals
ANIP
$1.73B
$27M 0.08%
490,557
-9,502
-2% -$523K
WSO icon
249
Watsco Inc
WSO
$12.8B
$27M 0.08%
63,085
+1,799
+3% +$697K
TITN icon
250
Titan Machinery
TITN
$431M
$26.9M 0.08%
931,054
+510,533
+121% +$13.2M
8 9
10
11 12

Similar funds

BAMCO Inc
BAMCO Inc New York $33.1B AUM 11.16% 1-Year Est. Return
GAM
Gotham Asset Management New York $32.7B AUM 27.65% 1-Year Est. Return
Kayne Anderson Rudnick Investment Management
Kayne Anderson Rudnick Investment Management Los Angeles, California $34B AUM 6.31% 1-Year Est. Return
Hotchkis & Wiley Capital Management
Hotchkis & Wiley Capital Management Los Angeles, California $32.4B AUM 17.21% 1-Year Est. Return
Public Sector Pension Investment Board (PSP Investments)
Public Sector Pension Investment Board (PSP Investments) Montreal, Quebec, Canada $32.1B AUM 31.84% 1-Year Est. Return
VIA
Vanguard Investments Australia Victoria, Australia $34.6B AUM
Chevy Chase Trust
Chevy Chase Trust Bethesda, Maryland $34.7B AUM 29.45% 1-Year Est. Return
Treasurer of the State of North Carolina
Treasurer of the State of North Carolina Raleigh, North Carolina $31.8B AUM 28.93% 1-Year Est. Return

William Blair Investment Management's Q4 2023 Portfolio in Review

As of Q4 2023, William Blair Investment Management held 433 positions worth $34.4B, up 14% from $30.1B the previous quarter. Its ten largest holdings account for 22% of the portfolio.

William Blair Investment Management's Q4 2023 filing shows 35 new, 127 increased, 244 reduced and 27 closed positions. Its largest new stake was Pinduoduo: 2,300,793 shares worth $336M. The largest sale was Performance Food Group, an estimated $156M.

By sector, the portfolio is most concentrated in Technology at 27% of assets, up from 26% a quarter earlier, followed by Healthcare and Consumer Discretionary.

  • William Blair Investment Management's largest Q4 2023 buy was Pinduoduo: 2,300,793 shares worth $336M.
  • William Blair Investment Management added most to CRH in Q4 2023, an estimated $151M increase.
  • William Blair Investment Management's biggest Q4 2023 reduction was Performance Food Group, cutting an estimated $156M.
  • William Blair Investment Management fully exited Pioneer Natural Resource Co. in Q4 2023, selling an estimated $101M.
  • William Blair Investment Management's ten largest holdings make up 22% of its $34.4B portfolio in Q4 2023.
  • William Blair Investment Management opened 35 new positions and closed 27 in Q4 2023.
  • William Blair Investment Management's portfolio value rose 14% quarter-over-quarter to $34.4B.

Based on William Blair Investment Management's 13F filing for Q4 2023, filed 9 Feb 2024.