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
+23.04%
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
$16.4B
AUM Growth
+$2.69B
Cap. Flow
+$306M
Cap. Flow %
1.86%
Top 10 Hldgs %
21%
Holding
1,770
New
129
Increased
754
Reduced
490
Closed
65

Top Buys

Rank Stock Value
1
FISV
Fiserv Inc
FISV
+$65.4M
2
P
Everpure Inc
P
+$35.3M
3
PYPL icon
PayPal
PYPL
+$30.4M
4
BA icon
Boeing
BA
+$28.3M
5
TWLO icon
Twilio
TWLO
+$24.2M

Top Sells

Rank Stock Value
1
TTE icon
TotalEnergies
TTE
+$155M
2
RHT
Red Hat Inc
RHT
+$73.4M
3
ULTI
Ultimate Software Group Inc
ULTI
+$70.6M
4
INGN icon
Inogen
INGN
+$25.8M
5
CELG
Celgene Corp
CELG
+$20.1M

Sector Composition

Rank Sector Weight
1 Technology 22.65%
2 Healthcare 17.38%
3 Financials 12.48%
4 Consumer Discretionary 9.87%
5 Industrials 9.37%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
TFC icon
501
Truist Financial
TFC
$64.3B
$2.46M 0.02%
52,863
-2,849
-5% -$139K
BR icon
502
Broadridge
BR
$19.1B
$2.46M 0.02%
23,690
+2,896
+14% +$291K
MRSH
503
Marsh
MRSH
$91.4B
$2.45M 0.01%
26,112
+2,085
+9% +$184K
WLKP icon
504
Westlake Chemical Partners
WLKP
$758M
$2.43M 0.01%
97,654
-2,288
-2% -$52.1K
SPGI icon
505
S&P Global
SPGI
$121B
$2.42M 0.01%
11,507
+3,200
+39% +$620K
TWO
506
Two Harbors Investment
TWO
$1.27B
$2.42M 0.01%
44,706
+1,278
+3% +$71.5K
CP icon
507
Canadian Pacific Kansas City
CP
$80.9B
$2.41M 0.01%
58,575
+2,425
+4% +$97.2K
ORI icon
508
Old Republic International
ORI
$10.4B
$2.4M 0.01%
114,832
+1,236
+1% +$25.7K
PFPT
509
DELISTED
Proofpoint, Inc.
PFPT
$2.4M 0.01%
19,727
+5,569
+39% +$611K
TSM icon
510
TSMC
TSM
$2.17T
$2.37M 0.01%
57,803
+2,350
+4% +$89.6K
HOG icon
511
Harley-Davidson
HOG
$2.7B
$2.35M 0.01%
65,837
-3,519
-5% -$128K
OXY icon
512
Occidental Petroleum
OXY
$56.4B
$2.33M 0.01%
35,213
+1,538
+5% +$101K
RSG icon
513
Republic Services
RSG
$66.4B
$2.31M 0.01%
28,722
-1,473
-5% -$114K
IDV icon
514
iShares International Select Dividend ETF
IDV
$8.5B
$2.29M 0.01%
74,170
-4,516
-6% -$139K
SRPT icon
515
Sarepta Therapeutics
SRPT
$1.75B
$2.28M 0.01%
19,143
-4,347
-19% -$559K
MTX icon
516
Minerals Technologies
MTX
$2.36B
$2.27M 0.01%
38,692
-768
-2% -$43.9K
HSBC icon
517
HSBC
HSBC
$355B
$2.27M 0.01%
56,682
-6,848
-11% -$276K
IBN icon
518
ICICI Bank
IBN
$108B
$2.25M 0.01%
196,591
-3,178
-2% -$33K
ED icon
519
Consolidated Edison
ED
$40B
$2.25M 0.01%
26,488
+444
+2% +$35.5K
DLN icon
520
WisdomTree US LargeCap Dividend Fund
DLN
$6.39B
$2.23M 0.01%
47,356
-1,754
-4% -$79.8K
PYX
521
DELISTED
Pyxus International, Inc.
PYX
$2.23M 0.01%
93,300
– –
FIT
522
DELISTED
Fitbit, Inc. Class A common stock
FIT
$2.23M 0.01%
376,000
+189,100
+101% +$1.15M
SPLV icon
523
Invesco S&P 500 Low Volatility ETF
SPLV
$7.23B
$2.22M 0.01%
42,198
+3,182
+8% +$159K
FLG
524
Flagstar Bank National Association
FLG
$5.85B
$2.22M 0.01%
63,996
-77
-0.1% -$2.65K
BUD icon
525
AB InBev
BUD
$166B
$2.21M 0.01%
26,294
-3,320
-11% -$255K
19 20
21
22 23

Similar funds

SAM
Storebrand Asset Management Lysaker, Norway $34.8B AUM 25.49% 1-Year Est. Return
Chevy Chase Trust
Chevy Chase Trust Bethesda, Maryland $34.7B AUM 29.45% 1-Year Est. Return
VIA
Vanguard Investments Australia Victoria, Australia $34.6B AUM
Alyeska Investment Group
Alyeska Investment Group Chicago, Illinois $35.4B AUM 33.54% 1-Year Est. Return
Pacer Advisors
Pacer Advisors Malvern, Pennsylvania $35.6B AUM 18.19% 1-Year Est. Return
Kayne Anderson Rudnick Investment Management
Kayne Anderson Rudnick Investment Management Los Angeles, California $34B AUM 6.31% 1-Year Est. Return
Viking Global Investors
Viking Global Investors Stamford, Connecticut $35.7B AUM 21.3% 1-Year Est. Return
MML Investors Services
MML Investors Services Springfield, Massachusetts $36.1B AUM 19.68% 1-Year Est. Return

William Blair & Company's Q1 2019 Portfolio in Review

As of Q1 2019, William Blair & Company held 1,770 positions worth $16.4B, up 20% from $13.7B the previous quarter. Its ten largest holdings account for 21% of the portfolio.

William Blair & Company's Q1 2019 filing shows 129 new, 754 increased, 490 reduced and 65 closed positions. Its largest new stake was Western Midstream Partners: 147,267 shares worth $4.62M. The largest sale was TotalEnergies, an estimated $155M.

By sector, the portfolio is most concentrated in Technology at 23% of assets, up from 21% a quarter earlier, followed by Healthcare and Financials.

  • William Blair & Company's largest Q1 2019 buy was Western Midstream Partners: 147,267 shares worth $4.62M.
  • William Blair & Company added most to Fiserv Inc in Q1 2019, an estimated $65.4M increase.
  • William Blair & Company's biggest Q1 2019 reduction was TotalEnergies, cutting an estimated $155M.
  • William Blair & Company fully exited MB Financial Corp in Q1 2019, selling an estimated $7.72M.
  • William Blair & Company's ten largest holdings make up 21% of its $16.4B portfolio in Q1 2019.
  • William Blair & Company opened 129 new positions and closed 65 in Q1 2019.
  • William Blair & Company's portfolio value rose 20% quarter-over-quarter to $16.4B.

Based on William Blair & Company's 13F filing for Q1 2019, filed 14 May 2019.