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William Blair Investment Management

William Blair Investment Management Portfolio holdings

AUM $30.3B
1-Year Est. Return 33.75%
This Fund
S&P 500
This Quarter Est. Return
+5.57%
1 Year Est. Return
+33.75%
3 Year Est. Return
+108.55%
5 Year Est. Return
+126.9%
10 Year Est. Return
+788.31%
AUM
$23.8B
AUM Growth
+$71.3M
Cap. Flow
-$999M
Cap. Flow %
-4.19%
Top 10 Hldgs %
19.3%
Holding
434
New
28
Increased
138
Reduced
201
Closed
62

Top Sells

Rank Stock Value
1
BALL icon
Ball Corp
BALL
+$267M
2
VEEV icon
Veeva Systems
VEEV
+$257M
3
CSGP icon
CoStar Group
CSGP
+$209M
4
BAH icon
Booz Allen Hamilton
BAH
+$146M
5
CE icon
Celanese
CE
+$141M

Sector Composition

Rank Sector Weight
1 Technology 18.31%
2 Healthcare 14.87%
3 Industrials 14.19%
4 Financials 13.92%
5 Consumer Discretionary 13.16%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
ANET icon
226
Arista Networks
ANET
$246B
$17.8M 0.07%
1,099,472
-669,504
-38% -$11.6M
BDC icon
227
Belden
BDC
$5.33B
$17.8M 0.07%
299,279
-47,315
-14% -$2.72M
NBHC icon
228
National Bank Holdings
NBHC
$1.92B
$17.7M 0.07%
487,573
-76,067
-13% -$2.75M
VRNS icon
229
Varonis Systems
VRNS
$4.85B
$17.6M 0.07%
850,938
-14,760
-2% -$317K
CBPX
230
DELISTED
CONTINENTAL BUILDING PRODUCTS, INC.
CBPX
$17.4M 0.07%
656,423
+157,311
+32% +$3.95M
CNC icon
231
Centene
CNC
$32.7B
$17.4M 0.07%
332,254
+40,855
+14% +$2.21M
AIN icon
232
Albany International
AIN
$1.78B
$17.4M 0.07%
209,727
-4,025
-2% -$301K
SASR
233
DELISTED
Sandy Spring Bancorp Inc
SASR
$17.4M 0.07%
498,390
-54,542
-10% -$1.83M
SSD icon
234
Simpson Manufacturing
SSD
$8.08B
$17.3M 0.07%
260,536
-12,291
-5% -$786K
FNB icon
235
FNB Corp
FNB
$6.79B
$17.3M 0.07%
1,470,011
-225,813
-13% -$2.6M
ROST icon
236
Ross Stores
ROST
$81B
$17.3M 0.07%
174,133
-108,618
-38% -$10.6M
BANR icon
237
Banner Corp
BANR
$2.46B
$17.2M 0.07%
318,124
-16,505
-5% -$885K
WTS icon
238
Watts Water Technologies
WTS
$12.9B
$17.2M 0.07%
184,473
+2,974
+2% +$254K
SCI icon
239
Service Corp International
SCI
$11.5B
$17.1M 0.07%
365,593
+318,437
+675% +$13.7M
RNST icon
240
Renasant Corp
RNST
$3.94B
$17.1M 0.07%
474,951
-52,030
-10% -$1.83M
DAN icon
241
Dana Inc
DAN
$3.26B
$17M 0.07%
850,103
-32,178
-4% -$573K
WCN
242
Waste Connections
WCN
$42.1B
$16.9M 0.07%
177,032
+25,684
+17% +$2.37M
SBCF icon
243
Seacoast Banking Corp of Florida
SBCF
$3.41B
$16.8M 0.07%
660,570
-6,997
-1% -$182K
TXNM
244
TXNM Energy Inc
TXNM
$5.91B
$16.8M 0.07%
329,310
-70,560
-18% -$3.37M
CDXS icon
245
Codexis
CDXS
$161M
$16.5M 0.07%
895,603
+29,016
+3% +$559K
EWM icon
246
iShares MSCI Malaysia ETF
EWM
$330M
$16.5M 0.07%
554,190
+27,330
+5% +$802K
WNS
247
DELISTED
WNS Holdings
WNS
$16.4M 0.07%
276,660
-5,307
-2% -$298K
LUV icon
248
Southwest Airlines
LUV
$22.3B
$16.4M 0.07%
322,319
+3,352
+1% +$174K
KMT icon
249
Kennametal
KMT
$2.36B
$16.1M 0.07%
+435,611
New +$15.8M
AROC icon
250
Archrock
AROC
$5.84B
$16M 0.07%
1,510,555
-165,138
-10% -$1.62M

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William Blair Investment Management's Q2 2019 Portfolio in Review

As of Q2 2019, William Blair Investment Management held 434 positions worth $23.8B, up 0.3% from $23.8B the previous quarter. Its ten largest holdings account for 19% of the portfolio.

William Blair Investment Management withdrew a net $999M in Q2 2019, closing 62 positions and reducing 201 holdings. Its most notable exit was Inogen, an estimated $100M position sold in full.

By sector, the portfolio is most concentrated in Technology at 18% of assets, up from 17% a quarter earlier, followed by Healthcare and Industrials.

Against the trend, William Blair Investment Management opened a new position in BJs Wholesale Club worth $144M.

  • William Blair Investment Management's largest Q2 2019 buy was BJs Wholesale Club: 5,465,561 shares worth $144M.
  • William Blair Investment Management added most to Abiomed Inc in Q2 2019, an estimated $167M increase.
  • William Blair Investment Management's biggest Q2 2019 reduction was Ball Corp, cutting an estimated $267M.
  • William Blair Investment Management fully exited Inogen in Q2 2019, selling an estimated $100M.
  • William Blair Investment Management's ten largest holdings make up 19% of its $23.8B portfolio in Q2 2019.
  • William Blair Investment Management opened 28 new positions and closed 62 in Q2 2019.
  • William Blair Investment Management's portfolio value rose 0.3% quarter-over-quarter to $23.8B.

Based on William Blair Investment Management's 13F filing for Q2 2019, filed 9 Aug 2019.