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
-2.74%
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
$30.1B
AUM Growth
-$1.09B
Cap. Flow
+$378M
Cap. Flow %
1.26%
Top 10 Hldgs %
21.93%
Holding
430
New
35
Increased
162
Reduced
197
Closed
32

Top Buys

Rank Stock Value
1
NVDA icon
NVIDIA
NVDA
+$192M
2
SMCI icon
Super Micro Computer
SMCI
+$143M
3
LSCC icon
Lattice Semiconductor
LSCC
+$129M
4
CG icon
Carlyle Group
CG
+$114M
5
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$111M

Top Sells

Rank Stock Value
1
DEN
Denbury Inc.
DEN
+$179M
2
PLNT icon
Planet Fitness
PLNT
+$170M
3
MLM icon
Martin Marietta Materials
MLM
+$141M
4
BLDR icon
Builders FirstSource
BLDR
+$135M
5
CCJ icon
Cameco
CCJ
+$123M

Sector Composition

Rank Sector Weight
1 Technology 25.88%
2 Industrials 15.76%
3 Healthcare 15.67%
4 Consumer Discretionary 13.72%
5 Financials 8.88%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
CPRT icon
51
Copart
CPRT
$26.8B
$170M 0.57%
3,951,930
-479,368
-11% -$21.3M
GLOB icon
52
Globant
GLOB
$1.65B
$170M 0.56%
858,914
-66,049
-7% -$12.4M
TD icon
53
Toronto Dominion Bank
TD
$204B
$169M 0.56%
2,803,774
-59,156
-2% -$3.69M
TYL icon
54
Tyler Technologies
TYL
$12.9B
$169M 0.56%
437,212
-8,097
-2% -$3.18M
FIVE icon
55
Five Below
FIVE
$13.2B
$167M 0.55%
1,035,592
+487,948
+89% +$89.2M
WMS icon
56
Advanced Drainage Systems
WMS
$10.6B
$165M 0.55%
1,445,326
+169,517
+13% +$20.7M
EYE icon
57
National Vision
EYE
$1.63B
$163M 0.54%
10,066,548
+1,228,933
+14% +$24.6M
HDB icon
58
HDFC Bank
HDB
$119B
$161M 0.54%
5,464,392
-82,122
-1% -$2.68M
ORLY icon
59
O'Reilly Automotive
ORLY
$74.5B
$161M 0.54%
2,658,885
+515,820
+24% +$32.4M
PEN icon
60
Penumbra
PEN
$12.9B
$159M 0.53%
656,964
-13,322
-2% -$3.7M
WAL icon
61
Western Alliance Bancorporation
WAL
$8.98B
$158M 0.53%
3,443,399
+125,392
+4% +$5.92M
TECH icon
62
Bio-Techne
TECH
$11.3B
$158M 0.52%
2,314,269
-189
-0% -$14.9K
ELF icon
63
e.l.f. Beauty
ELF
$5.56B
$156M 0.52%
1,424,268
+523,903
+58% +$63.6M
BFAM icon
64
Bright Horizons
BFAM
$3.74B
$156M 0.52%
1,913,192
+191,545
+11% +$17.7M
ALRM icon
65
Alarm.com
ALRM
$2.7B
$155M 0.52%
2,535,196
+7,478
+0.3% +$423K
PFGC icon
66
Performance Food Group
PFGC
$17.2B
$154M 0.51%
2,623,377
-414,973
-14% -$25.1M
RGEN icon
67
Repligen
RGEN
$9.39B
$151M 0.5%
946,893
+1,024
+0.1% +$167K
FTI icon
68
TechnipFMC
FTI
$29.8B
$144M 0.48%
7,101,775
-6,071,171
-46% -$115M
VIRT icon
69
Virtu Financial
VIRT
$5.02B
$144M 0.48%
8,347,311
+588,749
+8% +$10.7M
LRCX icon
70
Lam Research
LRCX
$411B
$143M 0.48%
2,280,900
+45,000
+2% +$2.96M
AMD icon
71
Advanced Micro Devices
AMD
$795B
$142M 0.47%
1,376,385
-338,577
-20% -$36.8M
SMCI icon
72
Super Micro Computer
SMCI
$24.3B
$141M 0.47%
+5,132,780
New +$143M
VEEV icon
73
Veeva Systems
VEEV
$38.8B
$140M 0.46%
685,804
-67,569
-9% -$13.6M
NOVT icon
74
Novanta
NOVT
$6.37B
$139M 0.46%
971,161
-11,822
-1% -$1.93M
INSP icon
75
Inspire Medical Systems
INSP
$1.68B
$138M 0.46%
694,145
-142,017
-17% -$35.8M
1 2
3
4 5

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 Q3 2023 Portfolio in Review

As of Q3 2023, William Blair Investment Management held 430 positions worth $30.1B, down 3.5% from $31.2B the previous quarter. Its ten largest holdings account for 22% of the portfolio.

William Blair Investment Management's Q3 2023 filing shows 35 new, 162 increased, 197 reduced and 32 closed positions. Its largest new stake was Super Micro Computer: 5,132,780 shares worth $141M. The largest sale was Denbury Inc., an estimated $179M.

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

  • William Blair Investment Management's largest Q3 2023 buy was Super Micro Computer: 5,132,780 shares worth $141M.
  • William Blair Investment Management added most to NVIDIA in Q3 2023, an estimated $192M increase.
  • William Blair Investment Management's biggest Q3 2023 reduction was Martin Marietta Materials, cutting an estimated $141M.
  • William Blair Investment Management fully exited Denbury Inc. in Q3 2023, selling an estimated $179M.
  • William Blair Investment Management's ten largest holdings make up 22% of its $30.1B portfolio in Q3 2023.
  • William Blair Investment Management opened 35 new positions and closed 32 in Q3 2023.
  • William Blair Investment Management's portfolio value fell 3.5% quarter-over-quarter to $30.1B.

Based on William Blair Investment Management's 13F filing for Q3 2023, filed 9 Nov 2023.