William Blair Investment Management

William Blair Investment Management Portfolio holdings

AUM $30.3B
1-Year Est. Return 35.55%
This Fund
S&P 500
This Quarter Est. Return
1 Year Est. Return
+35.55%
3 Year Est. Return
5 Year Est. Return
10 Year Est. Return
AUM
$30.3B
AUM Growth
-$5.59B
Cap. Flow
Cap. Flow %
Top 10 Hldgs %
Holding
459
New
Increased
Reduced
Closed

Top Buys

1 +$307M
2 +$162M
3 +$152M
4
APH icon
Amphenol
APH
+$152M
5
SYNA icon
Synaptics
SYNA
+$129M

Top Sells

1 +$309M
2 +$302M
3 +$269M
4
MSFT icon
Microsoft
MSFT
+$248M
5
CIEN icon
Ciena
CIEN
+$214M

Sector Composition

1 Technology 36.13%
2 Healthcare 12.59%
3 Industrials 11.81%
4 Financials 11.55%
5 Consumer Discretionary 10.11%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
KEX icon
226
Kirby Corp
KEX
$7.52B
$25M 0.08%
187,892
-116,319
GHM icon
227
Graham Corp
GHM
$1.11B
$24.8M 0.08%
314,301
+16,281
CARG icon
228
CarGurus
CARG
$2.69B
$24.7M 0.08%
724,299
+156,985
MDA
229
MDA Space Ltd
MDA
$6.21B
$24.4M 0.08%
+963,494
RYAAY icon
230
Ryanair
RYAAY
$31.6B
$24.3M 0.08%
420,246
+369,378
MGRC icon
231
McGrath RentCorp
MGRC
$2.68B
$24.2M 0.08%
+219,784
ATMU icon
232
Atmus Filtration Technologies
ATMU
$3.82B
$24.2M 0.08%
426,072
-255,900
CTRI icon
233
Centuri Holdings
CTRI
$3.1B
$24.2M 0.08%
827,449
+26,127
ECVT icon
234
Ecovyst
ECVT
$1.44B
$24M 0.08%
1,864,621
-864,128
LZB icon
235
La-Z-Boy
LZB
$1.54B
$23.9M 0.08%
744,481
+25,235
LOB icon
236
Live Oak Bancshares
LOB
$1.76B
$23.9M 0.08%
722,897
+74,336
MRCY icon
237
Mercury Systems
MRCY
$6.71B
$23.9M 0.08%
327,288
-656,985
TMHC icon
238
Taylor Morrison
TMHC
$5.47B
$23.8M 0.08%
408,605
+13,880
TREX icon
239
Trex
TREX
$4.3B
$23.6M 0.08%
+647,178
IFS icon
240
Intercorp Financial Services
IFS
$5.5B
$23.4M 0.08%
465,726
+18,839
ELS icon
241
Equity Lifestyle Properties
ELS
$12B
$23.1M 0.08%
370,369
-225,990
AIT icon
242
Applied Industrial Technologies
AIT
$11.2B
$22.9M 0.08%
86,263
-51,740
CSTM icon
243
Constellium
CSTM
$4.66B
$22.6M 0.07%
+918,090
MSI icon
244
Motorola Solutions
MSI
$66.9B
$22.5M 0.07%
51,961
+31,429
HR icon
245
Healthcare Realty
HR
$6.9B
$22.3M 0.07%
1,315,096
-819,484
EWBC icon
246
East-West Bancorp
EWBC
$16.8B
$22.2M 0.07%
207,901
-122,933
FBNC icon
247
First Bancorp
FBNC
$2.43B
$22.1M 0.07%
392,412
+13,274
BDC icon
248
Belden
BDC
$4.09B
$21.9M 0.07%
190,528
-24,625
JBTM
249
JBT Marel
JBTM
$7B
$21.5M 0.07%
168,115
-101,597
SLVM icon
250
Sylvamo
SLVM
$1.56B
$21M 0.07%
498,331
-203,166