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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
+1.38%
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
$25.2B
AUM Growth
+$541M
Cap. Flow
+$455M
Cap. Flow %
1.8%
Top 10 Hldgs %
14.45%
Holding
499
New
55
Increased
184
Reduced
204
Closed
49

Top Buys

Rank Stock Value
1
WTW icon
Willis Towers Watson
WTW
+$201M
2
XRAY icon
Dentsply Sirona
XRAY
+$172M
3
CSRA
CSRA Inc.
CSRA
+$164M
4
ZTS icon
Zoetis
ZTS
+$137M
5
AKAM icon
Akamai
AKAM
+$125M

Sector Composition

Rank Sector Weight
1 Healthcare 14.5%
2 Financials 12.48%
3 Technology 11.87%
4 Consumer Discretionary 11.84%
5 Industrials 11.39%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
CVCO icon
251
Cavco Industries
CVCO
$4.57B
$12.2M 0.05%
130,949
+39,454
+43% +$3.25M
CPK icon
252
Chesapeake Utilities
CPK
$3.22B
$12.2M 0.05%
194,154
+21,064
+12% +$1.28M
ETD icon
253
Ethan Allen Interiors
ETD
$602M
$12M 0.05%
376,770
-5,281
-1% -$147K
ORBC
254
DELISTED
ORBCOMM, Inc.
ORBC
$11.9M 0.05%
1,179,688
-398,871
-25% -$3.25M
ERF
255
DELISTED
Enerplus Corporation
ERF
$11.9M 0.05%
3,033,563
+6,362
+0.2% +$19.7K
EQC
256
DELISTED
Equity Commonwealth
EQC
$11.5M 0.05%
409,109
+106,029
+35% +$2.86M
AGG icon
257
iShares Core US Aggregate Bond ETF
AGG
$137B
$11.5M 0.05%
103,600
+2,600
+3% +$285K
EQY
258
DELISTED
Equity One
EQY
$11.5M 0.05%
+400,236
New +$11M
LDL
259
DELISTED
Lydall, Inc.
LDL
$11.2M 0.04%
344,881
-4,038
-1% -$118K
NBHC icon
260
National Bank Holdings
NBHC
$1.92B
$11M 0.04%
541,254
+74,549
+16% +$1.47M
B
261
DELISTED
Barnes Group Inc.
B
$11M 0.04%
314,860
-115,889
-27% -$3.84M
ICFI icon
262
ICF International
ICFI
$1.62B
$10.9M 0.04%
315,742
+21,636
+7% +$723K
ULTI
263
DELISTED
Ultimate Software Group Inc
ULTI
$10.8M 0.04%
55,689
+3,077
+6% +$535K
HDSN
264
Hudson Technologies
HDSN
$233M
$10.6M 0.04%
3,243,055
+201,891
+7% +$637K
WWW icon
265
Wolverine World Wide
WWW
$1.49B
$10.5M 0.04%
572,374
-6,691
-1% -$117K
UEIC icon
266
Universal Electronics
UEIC
$74.6M
$10.5M 0.04%
169,251
-104,475
-38% -$5.57M
BLK icon
267
Blackrock
BLK
$178B
$10.5M 0.04%
30,700
MELI icon
268
Mercado Libre
MELI
$98.4B
$10.4M 0.04%
88,559
-73,413
-45% -$7.6M
ADTN icon
269
Adtran
ADTN
$632M
$10.4M 0.04%
+512,806
New +$9.48M
DAN icon
270
Dana Inc
DAN
$3.27B
$10.2M 0.04%
726,232
-7,957
-1% -$99.5K
CTLP
271
DELISTED
Cantaloupe
CTLP
$10.2M 0.04%
2,335,345
+159,618
+7% +$575K
CACB
272
DELISTED
Cascade Bancorp
CACB
$10.1M 0.04%
1,776,369
-43,656
-2% -$239K
TTI icon
273
TETRA Technologies
TTI
$1.31B
$10.1M 0.04%
1,588,795
-20,542
-1% -$120K
IL
274
DELISTED
IntraLinks Holdings Inc.
IL
$10M 0.04%
1,274,317
-14,369
-1% -$113K
IEF icon
275
iShares 7-10 Year Treasury Bond ETF
IEF
$47.1B
$10M 0.04%
91,000
+1,500
+2% +$164K

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William Blair Investment Management's Q1 2016 Portfolio in Review

As of Q1 2016, William Blair Investment Management held 499 positions worth $25.2B, up 2.2% from $24.7B the previous quarter. Its ten largest holdings account for 14% of the portfolio.

William Blair Investment Management's Q1 2016 filing shows 55 new, 184 increased, 204 reduced and 49 closed positions. Its largest new stake was Willis Towers Watson: 1,741,517 shares worth $207M. The largest sale was SIRONA DENTAL SYSTEMS INC COM STK, an estimated $199M.

By sector, the portfolio is most concentrated in Healthcare at 14% of assets, up from 13% a quarter earlier, followed by Financials and Technology.

  • William Blair Investment Management's largest Q1 2016 buy was Willis Towers Watson: 1,741,517 shares worth $207M.
  • William Blair Investment Management added most to Zoetis in Q1 2016, an estimated $137M increase.
  • William Blair Investment Management's biggest Q1 2016 reduction was State Street SPDR S&P 500 ETF Trust, cutting an estimated $152M.
  • William Blair Investment Management fully exited SIRONA DENTAL SYSTEMS INC COM STK in Q1 2016, selling an estimated $199M.
  • William Blair Investment Management's ten largest holdings make up 14% of its $25.2B portfolio in Q1 2016.
  • William Blair Investment Management opened 55 new positions and closed 49 in Q1 2016.
  • William Blair Investment Management's portfolio value rose 2.2% quarter-over-quarter to $25.2B.

Based on William Blair Investment Management's 13F filing for Q1 2016, filed 16 May 2016.