We are live on ! Find out more
William Blair & Company

William Blair & Company Portfolio holdings

AUM $34.9B
1-Year Est. Return 18.88%
This Fund
S&P 500
This Quarter Est. Return
-5.41%
1 Year Est. Return
+18.88%
3 Year Est. Return
+73.84%
5 Year Est. Return
+90.13%
10 Year Est. Return
+563.35%
AUM
$11.6B
AUM Growth
-$55.3B
Cap. Flow
-$52.2B
Cap. Flow %
-451.81%
Top 10 Hldgs %
17.24%
Holding
2,286
New
72
Increased
349
Reduced
842
Closed
862

Top Buys

Rank Stock Value
1
PYPL icon
PayPal
PYPL
+$23.1M
2
WDAY icon
Workday
WDAY
+$23M
3
PANW icon
Palo Alto Networks
PANW
+$16.6M
4
BIIB icon
Biogen
BIIB
+$16.4M
5
DHR icon
Danaher
DHR
+$16.2M

Sector Composition

Rank Sector Weight
1 Healthcare 18.68%
2 Technology 13.63%
3 Industrials 12.35%
4 Financials 11.99%
5 Consumer Discretionary 11.58%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
PNRA
501
DELISTED
Panera Bread Co
PNRA
$1.82M 0.02%
9,408
-3,225
-26% -$601K
PNC icon
502
PNC Financial Services
PNC
$101B
$1.82M 0.02%
20,376
-279
-1% -$26.2K
AIRM
503
DELISTED
Air Methods Corp
AIRM
$1.81M 0.02%
53,039
-283,239
-84% -$10.9M
MLPN
504
DELISTED
Credit Suisse X- Links Cushing MLP Infrastructure ETN's due April 20, 2020
MLPN
$1.79M 0.02%
87,432
-41,840
-32% -$1.04M
UUP icon
505
Invesco DB US Dollar Index Bullish Fund
UUP
$424M
$1.79M 0.02%
71,466
+52,561
+278% +$1.32M
FMS icon
506
Fresenius Medical Care
FMS
$12.8B
$1.76M 0.02%
+45,246
New +$1.84M
IBB icon
507
iShares Biotechnology ETF
IBB
$9.53B
$1.75M 0.02%
17,361
+828
+5% +$99.3K
KDNY
508
DELISTED
Chinook Therapeutics, Inc. Common Stock
KDNY
$1.75M 0.02%
18,093
+2,335
+15% +$278K
CRTO icon
509
Criteo S.A. Ordinary Shares
CRTO
$883M
$1.74M 0.02%
46,308
-5,713
-11% -$261K
F icon
510
Ford
F
$55B
$1.74M 0.02%
127,984
-2,137
-2% -$30.5K
NJ
511
DELISTED
NIDEC CP (NIHON KABUSHIKI KAISHA)1 ADS REPTG .25 SH COM STK
NJ
$1.73M 0.02%
99,812
-19,939
-17% -$394K
UL icon
512
Unilever
UL
$137B
$1.72M 0.01%
37,559
+5,364
+17% +$257K
FBC
513
DELISTED
Flagstar Bancorp, Inc. New
FBC
$1.72M 0.01%
83,830
CBI
514
DELISTED
Chicago Bridge & Iron Nv
CBI
$1.72M 0.01%
43,374
-6,862
-14% -$318K
CNC icon
515
Centene
CNC
$31.7B
$1.72M 0.01%
63,362
+27,064
+75% +$906K
SPNC
516
DELISTED
Spectranetics Corp
SPNC
$1.71M 0.01%
145,303
-1,064,916
-88% -$19.1M
VTRS icon
517
Viatris
VTRS
$19B
$1.71M 0.01%
42,465
+16,582
+64% +$924K
SIRI icon
518
SiriusXM
SIRI
$10.1B
$1.67M 0.01%
44,646
-990
-2% -$37.9K
HSBC icon
519
HSBC
HSBC
$352B
$1.65M 0.01%
48,805
-52,514
-52% -$1.96M
DXJ icon
520
WisdomTree Japan Hedged Equity Fund
DXJ
$7.35B
$1.64M 0.01%
33,721
-12,567
-27% -$680K
NTES icon
521
NetEase
NTES
$83.5B
$1.63M 0.01%
67,855
-6,944,240
-99% -$179M
RIO icon
522
Rio Tinto
RIO
$162B
$1.62M 0.01%
47,912
-34,446
-42% -$1.29M
D icon
523
Dominion Energy
D
$58.8B
$1.62M 0.01%
22,977
+1,973
+9% +$139K
RGEN icon
524
Repligen
RGEN
$9B
$1.61M 0.01%
57,894
-168,836
-74% -$6.1M
IEFA icon
525
iShares Core MSCI EAFE ETF
IEFA
$194B
$1.61M 0.01%
30,490
+475
+2% +$26.9K

Similar funds

William Blair & Company's Q3 2015 Portfolio in Review

As of Q3 2015, William Blair & Company held 2,286 positions worth $11.6B, down 83% from $66.9B the previous quarter. Its ten largest holdings account for 17% of the portfolio.

William Blair & Company withdrew a net $52.2B in Q3 2015, closing 862 positions and reducing 842 holdings. Its most notable exit was Enbridge, an estimated $154M position sold in full.

By sector, the portfolio is most concentrated in Healthcare at 19% of assets, up from 7.4% a quarter earlier, followed by Technology and Industrials.

Against the trend, William Blair & Company opened a new position in PayPal worth $20M.

  • William Blair & Company's largest Q3 2015 buy was PayPal: 644,428 shares worth $20M.
  • William Blair & Company added most to Workday in Q3 2015, an estimated $23M increase.
  • William Blair & Company's biggest Q3 2015 reduction was Teva Pharmaceuticals, cutting an estimated $348M.
  • William Blair & Company fully exited Enbridge in Q3 2015, selling an estimated $154M.
  • William Blair & Company's ten largest holdings make up 17% of its $11.6B portfolio in Q3 2015.
  • William Blair & Company opened 72 new positions and closed 862 in Q3 2015.
  • William Blair & Company's portfolio value fell 83% quarter-over-quarter to $11.6B.

Based on William Blair & Company's 13F filing for Q3 2015, filed 12 Nov 2015.