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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
SBCF icon
251
Seacoast Banking Corp of Florida
SBCF
$3.44B
$26.9M 0.08%
944,014
-18,938
-2% -$446K
ADTN icon
252
Adtran
ADTN
$665M
$26.7M 0.08%
3,638,305
+1,232,466
+51% +$8.12M
PRO
253
DELISTED
PROS Holdings
PRO
$26.6M 0.08%
685,168
+7,338
+1% +$264K
CAKE icon
254
Cheesecake Factory
CAKE
$5.84B
$26.3M 0.08%
752,617
+105,756
+16% +$3.38M
STVN icon
255
Stevanato
STVN
$5.8B
$26.1M 0.08%
954,608
+73,227
+8% +$2.11M
SHO icon
256
Sunstone Hotel Investors
SHO
$2.01B
$25.8M 0.08%
2,407,899
-62,983
-3% -$621K
STEL
257
DELISTED
Stellar Bancorp
STEL
$25.4M 0.07%
911,580
+830,541
+1,025% +$19.9M
NU icon
258
Nu Holdings
NU
$65.5B
$25.3M 0.07%
+3,031,475
New +$24.5M
AUB icon
259
Atlantic Union Bankshares
AUB
$6.06B
$25.1M 0.07%
686,603
-15,067
-2% -$474K
FBNC icon
260
First Bancorp
FBNC
$2.72B
$25.1M 0.07%
676,983
-15,627
-2% -$491K
PLOW icon
261
Douglas Dynamics
PLOW
$981M
$25M 0.07%
841,769
+120,130
+17% +$3.45M
GTX icon
262
Garrett Motion
GTX
$5.47B
$24.8M 0.07%
+2,567,746
New +$19.8M
PPBI
263
DELISTED
Pacific Premier Bancorp
PPBI
$24.8M 0.07%
851,609
-17,729
-2% -$412K
NTCT icon
264
NETSCOUT
NTCT
$2.87B
$24.6M 0.07%
1,121,722
-31,073
-3% -$697K
ELME
265
Elme Communities
ELME
$144M
$24.4M 0.07%
1,668,834
-36,815
-2% -$503K
BANC icon
266
Banc of California
BANC
$3.1B
$24.3M 0.07%
1,812,971
-36,654
-2% -$453K
THR
267
DELISTED
Thermon Group Holdings
THR
$24M 0.07%
737,604
-92
-0% -$2.74K
MNRO icon
268
Monro
MNRO
$359M
$23.8M 0.07%
+812,831
New +$22.9M
CBRL icon
269
Cracker Barrel
CBRL
$1.31B
$23.8M 0.07%
308,864
-7,058
-2% -$506K
EPC icon
270
Edgewell Personal Care
EPC
$1.32B
$23.6M 0.07%
645,462
+22,751
+4% +$805K
P
271
Everpure Inc
P
$37B
$23.5M 0.07%
660,200
-27,400
-4% -$961K
POWI icon
272
Power Integrations
POWI
$3.57B
$23.5M 0.07%
286,185
+35,708
+14% +$2.74M
MLKN icon
273
MillerKnoll
MLKN
$1.64B
$23.4M 0.07%
877,397
-273,597
-24% -$6.98M
CNDT icon
274
Conduent
CNDT
$241M
$23.3M 0.07%
6,384,774
-139,929
-2% -$443K
SP
275
DELISTED
SP Plus Corporation
SP
$23.1M 0.07%
450,616
-437,110
-49% -$21.9M
9 10
11
12 13

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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.