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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
+8.82%
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
$27.9B
AUM Growth
+$434M
Cap. Flow
-$1.39B
Cap. Flow %
-4.97%
Top 10 Hldgs %
16.81%
Holding
485
New
38
Increased
170
Reduced
217
Closed
52

Top Buys

Rank Stock Value
1
RCI icon
Rogers Communications
RCI
+$124M
2
WEX icon
WEX
WEX
+$108M
3
DXCM icon
DexCom
DXCM
+$100M
4
TSM icon
TSMC
TSM
+$99.8M
5
YELP icon
Yelp
YELP
+$93.8M

Sector Composition

Rank Sector Weight
1 Consumer Discretionary 15.32%
2 Industrials 13.97%
3 Financials 13.47%
4 Technology 12.68%
5 Healthcare 12.14%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
STLD icon
426
Steel Dynamics
STLD
$38.5B
$697K ﹤0.01%
20,216
+51
+0.3% +$1.79K
PTEN icon
427
Patterson-UTI
PTEN
$4.19B
$658K ﹤0.01%
31,444
+10,569
+51% +$195K
FLS icon
428
Flowserve
FLS
$10.1B
$615K ﹤0.01%
14,445
-2,335
-14% -$98.2K
HOLX
429
DELISTED
Hologic
HOLX
$586K ﹤0.01%
15,969
+41
+0.3% +$1.66K
AFG icon
430
American Financial Group
AFG
$11.9B
$568K ﹤0.01%
5,494
+14
+0.3% +$1.42K
MD icon
431
Pediatrix Medical
MD
$2.12B
$488K ﹤0.01%
11,328
+28
+0.2% +$1.33K
XLV icon
432
State Street Health Care Select Sector SPDR ETF
XLV
$44B
$323K ﹤0.01%
3,957
SNY icon
433
Sanofi
SNY
$104B
$286K ﹤0.01%
5,738
AGO icon
434
Assured Guaranty
AGO
$3.34B
-20,207
Closed -$843K
AKAM icon
435
Akamai
AKAM
$16.9B
-10,600
Closed -$528K
AMED
436
DELISTED
Amedisys
AMED
-1,463,746
Closed -$91.9M
APOG icon
437
Apogee Enterprises
APOG
$887M
-481,639
Closed -$27.4M
BBWI icon
438
Bath & Body Works
BBWI
$3.89B
-1,075,169
Closed -$46.8M
BC icon
439
Brunswick
BC
$5.21B
-574,670
Closed -$36M
BBT
440
Beacon Financial Corp
BBT
$2.64B
-596,779
Closed -$21M
EGBN icon
441
Eagle Bancorp
EGBN
$843M
-20,760
Closed -$1.31M
ENVA icon
442
Enova International
ENVA
$6.29B
-446,499
Closed -$6.63M
GSK icon
443
GSK
GSK
$104B
-80,368
Closed -$4.33M
HES
444
DELISTED
Hess
HES
-505,595
Closed -$22.2M
KMT icon
445
Kennametal
KMT
$2.41B
-504,673
Closed -$18.9M
LEG icon
446
Leggett & Platt
LEG
$1.29B
-14,006
Closed -$736K
LMAT icon
447
LeMaitre Vascular
LMAT
$1.86B
-165,494
Closed -$5.17M
LOW icon
448
Lowe's Companies
LOW
$123B
-686,261
Closed -$53.2M
MRK icon
449
Merck
MRK
$323B
-52,098
Closed -$3.19M
NDAQ icon
450
Nasdaq
NDAQ
$53.4B
-2,109,231
Closed -$50.3M

Similar funds

William Blair Investment Management's Q3 2017 Portfolio in Review

As of Q3 2017, William Blair Investment Management held 485 positions worth $27.9B, up 1.6% from $27.5B the previous quarter. Its ten largest holdings account for 17% of the portfolio.

William Blair Investment Management withdrew a net $1.39B in Q3 2017, closing 52 positions and reducing 217 holdings. Its most notable exit was Amedisys, an estimated $91.9M position sold in full.

By sector, the portfolio is most concentrated in Consumer Discretionary at 15% of assets, down from 16% a quarter earlier, followed by Industrials and Financials.

Against the trend, William Blair Investment Management opened a new position in Rogers Communications worth $125M.

  • William Blair Investment Management's largest Q3 2017 buy was Rogers Communications: 2,429,600 shares worth $125M.
  • William Blair Investment Management added most to TSMC in Q3 2017, an estimated $99.8M increase.
  • William Blair Investment Management's biggest Q3 2017 reduction was O'Reilly Automotive, cutting an estimated $155M.
  • William Blair Investment Management fully exited Amedisys in Q3 2017, selling an estimated $91.9M.
  • William Blair Investment Management's ten largest holdings make up 17% of its $27.9B portfolio in Q3 2017.
  • William Blair Investment Management opened 38 new positions and closed 52 in Q3 2017.
  • William Blair Investment Management's portfolio value rose 1.6% quarter-over-quarter to $27.9B.

Based on William Blair Investment Management's 13F filing for Q3 2017, filed 13 Nov 2017.