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William Blair Investment Management

William Blair Investment Management Portfolio holdings

AUM $33.3B
1-Year Est. Return 44.76%
This Fund
S&P 500
This Quarter Est. Return
+19.2%
1 Year Est. Return
+44.76%
3 Year Est. Return
+140.8%
5 Year Est. Return
+166.51%
10 Year Est. Return
+978.6%
AUM
$23.8B
AUM Growth
+$3.63B
Cap. Flow
+$288M
Cap. Flow %
1.21%
Top 10 Hldgs %
20.04%
Holding
441
New
37
Increased
142
Reduced
223
Closed
35

Sector Composition

Rank Sector Weight
1 Technology 17.21%
2 Consumer Discretionary 14.5%
3 Healthcare 14.2%
4 Industrials 13.82%
5 Financials 13.22%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
RSX
351
DELISTED
VanEck Russia ETF
RSX
$3.58M 0.02%
173,860
-37,940
-18% -$781K
VEDL
352
DELISTED
Vedanta Limited American Depostary Shares (Each representing four equity shares)
VEDL
$3.58M 0.02%
338,777
-302
-0.1% -$3.04K
REXR icon
353
Rexford Industrial Realty
REXR
$8.05B
$3.57M 0.02%
99,713
-15,707
-14% -$529K
CCK icon
354
Crown Holdings
CCK
$12.9B
$3.56M 0.02%
+65,328
New +$3.37M
RIO icon
355
Rio Tinto
RIO
$167B
$3.52M 0.01%
59,871
+10,690
+22% +$588K
ITUB icon
356
Itaú Unibanco
ITUB
$81.8B
$3.43M 0.01%
535,760
-29,111
-5% -$206K
IMAX icon
357
IMAX
IMAX
$2.79B
$2.98M 0.01%
+131,495
New +$2.81M
ORLY icon
358
O'Reilly Automotive
ORLY
$74.3B
$2.71M 0.01%
104,505
APLE icon
359
Apple Hospitality REIT
APLE
$3.7B
$2.69M 0.01%
164,754
-25,953
-14% -$416K
VTWO icon
360
Vanguard Russell 2000 ETF
VTWO
$17.4B
$2.67M 0.01%
43,348
PRMW
361
DELISTED
Primo Water Corporation
PRMW
$2.33M 0.01%
159,204
-25,078
-14% -$377K
EXP icon
362
Eagle Materials
EXP
$6.42B
$2.25M 0.01%
26,641
-134,824
-84% -$9.74M
NDSN icon
363
Nordson
NDSN
$17.4B
$2.24M 0.01%
16,919
-2,665
-14% -$347K
TCOM icon
364
Trip.com Group
TCOM
$28.8B
$2.18M 0.01%
+49,873
New +$1.75M
SMIN icon
365
iShares MSCI India Small-Cap ETF
SMIN
$773M
$2.13M 0.01%
52,597
-52,185
-50% -$1.95M
SCI icon
366
Service Corp International
SCI
$11.3B
$1.89M 0.01%
47,156
-31,208
-40% -$1.3M
AZUL
367
DELISTED
Azul
AZUL
$1.81M 0.01%
62,121
-393,319
-86% -$11.8M
RY icon
368
Royal Bank of Canada
RY
$295B
$1.56M 0.01%
20,641
+5,946
+40% +$450K
FMX icon
369
Fomento Económico Mexicano
FMX
$40.3B
$1.36M 0.01%
14,766
-11,744
-44% -$1.07M
FANG icon
370
Diamondback Energy
FANG
$56.4B
$1.28M 0.01%
12,623
-1,988
-14% -$204K
J icon
371
Jacobs Solutions
J
$17B
$1.28M 0.01%
20,521
-2,251
-10% -$127K
RVTY icon
372
Revvity
RVTY
$12.8B
$1.23M 0.01%
12,746
-1,398
-10% -$126K
HOLX
373
DELISTED
Hologic
HOLX
$1.16M ﹤0.01%
24,011
-2,630
-10% -$119K
CPT icon
374
Camden Property Trust
CPT
$10.8B
$1.16M ﹤0.01%
11,439
+465
+4% +$44.7K
VOYA icon
375
Voya Financial
VOYA
$9.02B
$1.15M ﹤0.01%
22,966
-2,515
-10% -$119K

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William Blair Investment Management's Q1 2019 Portfolio in Review

As of Q1 2019, William Blair Investment Management held 441 positions worth $23.8B, up 18% from $20.1B the previous quarter. Its ten largest holdings account for 20% of the portfolio.

William Blair Investment Management's Q1 2019 filing shows 37 new, 142 increased, 223 reduced and 35 closed positions. Its largest new stake was Steris: 803,400 shares worth $103M. The largest sale was Six Flags Entertainment Corp., an estimated $151M.

By sector, the portfolio is most concentrated in Technology at 17% of assets, up from 16% a quarter earlier, followed by Consumer Discretionary and Healthcare.

  • William Blair Investment Management's largest Q1 2019 buy was Steris: 803,400 shares worth $103M.
  • William Blair Investment Management added most to Check Point Software Technologies in Q1 2019, an estimated $181M increase.
  • William Blair Investment Management's biggest Q1 2019 reduction was WW International, cutting an estimated $59M.
  • William Blair Investment Management fully exited Six Flags Entertainment Corp. in Q1 2019, selling an estimated $151M.
  • William Blair Investment Management's ten largest holdings make up 20% of its $23.8B portfolio in Q1 2019.
  • William Blair Investment Management opened 37 new positions and closed 35 in Q1 2019.
  • William Blair Investment Management's portfolio value rose 18% quarter-over-quarter to $23.8B.

Based on William Blair Investment Management's 13F filing for Q1 2019, filed 10 May 2019.