Is William Blair a reliable analyst?

In short — Over 1 year, 77.2% of William Blair's targets proved profitable, for an average gain of +29.8% per call (all calls, winners and losers) — i.e. +14.0% vs its sector, across 101 timestamped calls replayed against real prices. JPI verdict: fairly reliable. An analyst can be good in one sector and poor in another — details below.

77.2%profitable calls

+29.8%avg gain / call

+14.0%vs sector

101scored calls

In which sectors is William Blair reliable?

Sector

Calls

% profitable

Avg gain 2015+

Avg gain 2020+

Last 12 months

▸ Cons. disc.

77.8%

+59.4%

+71.9%

-5.8% (1)

Stock	Rating	Issued	Matures (1yr)	Price at call	Target	End price	Targeted	Result
SBUX	▲ Outperform	Jan 23, 26	Jan 23, 27	$97.62	—	$92	—	-6% so far
TSLA	▲ Outperform	Aug 29, 24	Aug 29, 25	$214.11	—	$329.73	—	+53.8%
CVNA	▲ Outperform	Feb 23, 24	Feb 22, 25	$13.85	—	$43.21	—	+211.5%
ABNB	▲ Outperform	Jan 5, 21	Jan 5, 22	$142.77	—	$159.9	—	+11.9%
DASH	▲ Outperform	Jan 4, 21	Jan 4, 22	$139.19	—	$136.41	—	-2.4%
CMG	▲ Outperform	Mar 6, 20	Mar 6, 21	$14.46	—	$26.75	—	+84.6%
SBUX	▲ Outperform	Jan 26, 18	Jan 26, 19	$57.02	—	$66.71	—	+17.3%
CVNA	▲ Outperform	May 23, 17	May 23, 18	$2.16	—	$5.23	—	+142.2%

Sample (7 recent finished + 1 in progress) of 9 calls.

▸ Industry

88.5%

+41.0%

+57.2%

-24.7% (3)

Stock	Rating	Issued	Matures (1yr)	Price at call	Target	End price	Targeted	Result
SPCX	▲ Outperform	Jul 7, 26	Jul 7, 27	$149.47	—	$156.54	—	+5% so far
BLDR	▲ Outperform	Feb 26, 26	Feb 26, 27	$104.29	—	$51.71	—	-50% so far
XYL	▲ Outperform	Jan 26, 26	Jan 26, 27	$143.35	—	$102.54	—	-28% so far
FIX	▲ Outperform	Sep 11, 25	Sep 11, 26	$753.69	—	$1582.75	—	+110%
EME	▲ Outperform	Sep 11, 25	Sep 11, 26	$629.08	—	$748.61	—	+19.2%
VRT	▲ Outperform	Jul 28, 25	Jul 28, 26	$142.7	—	$222.61	—	+56.3%
GWW	▲ Outperform	Mar 10, 25	Mar 10, 26	$1015.84	—	$1107.27	—	+8.9%
FAST	▲ Outperform	Mar 10, 25	Mar 10, 26	$39.9	—	$46.28	—	+16%

Sample (5 recent finished + 3 in progress) of 26 calls.

▸ Tech

81%

+40.1%

+26.7%

+60.8% (2)

Stock	Rating	Issued	Matures (1yr)	Price at call	Target	End price	Targeted	Result
MU	▲ Outperform	Jan 22, 26	Jan 22, 27	$397.58	—	$953.19	—	+140% so far
CTSH	▲ Outperform	Nov 21, 25	Nov 21, 26	$74.92	—	$61.33	—	-18% so far
ROP	▲ Outperform	May 5, 25	May 5, 26	$571.13	—	$354.1	—	-37.6%
AVGO	▲ Outperform	Sep 18, 24	Sep 18, 25	$167.42	—	$344.89	—	+106%
NVDA	▲ Outperform	Sep 18, 24	Sep 18, 25	$117.87	—	$176.81	—	+49.9%
ORCL	▲ Outperform	Mar 12, 24	Mar 12, 25	$127.54	—	$150.5	—	+18.3%
ADSK	▲ Outperform	Apr 17, 23	Apr 16, 24	$197.09	—	$228.62	—	+15.8%
ADBE	▲ Outperform	Jan 17, 23	Jan 17, 24	$341.31	—	$593.88	—	+74%

Sample (6 recent finished + 2 in progress) of 21 calls.

▸ Health

70%

+16.5%

+18.4%

+15.2% (7)

Stock	Rating	Issued	Matures (1yr)	Price at call	Target	End price	Targeted	Result
RVTY	▲ Outperform	Oct 6, 26	Oct 6, 27	$153.6	—	$155.08	—	+1% so far
MRNA	▲ Outperform	Aug 19, 26	Aug 19, 27	$133.32	—	$216.25	—	+62% so far
ABBV	▲ Buy	Jul 31, 26	Jul 31, 27	$250.94	—	$274.36	—	+9% so far
MCK	▲ Outperform	Apr 28, 26	Apr 28, 27	$835	—	$961.88	—	+15% so far
CAH	▲ Outperform	Apr 28, 26	Apr 28, 27	$205.61	—	$239.72	—	+17% so far
MDT	▲ Outperform	Jan 6, 26	Jan 6, 27	$99.77	—	$93.01	—	-7% so far
WAT	▲ Outperform	Jan 5, 26	Jan 5, 27	$394.97	—	$429.17	—	+9% so far
CRL	▲ Outperform	Oct 6, 25	Oct 6, 26	$170.1	—	$301.08	—	+76.5%

Sample (1 recent finished + 7 in progress) of 20 calls.

▸ Finance

64.3%

+4.0%

+5.5%

+4.2% (1)

Stock	Rating	Issued	Matures (1yr)	Price at call	Target	End price	Targeted	Result
FDS	▲ Outperform	Sep 8, 26	Sep 8, 27	$279.17	—	$290.82	—	+4% so far
ALL	▲ Sector Outperform	Jun 6, 25	Jun 6, 26	$200.77	—	$214.82	—	+7.1%
NDAQ	▲ Outperform	Nov 25, 24	Nov 25, 25	$82.65	—	$90.09	—	+8.9%
CB	▼ Underperform	Jun 28, 24	Jun 28, 25	$254.82	—	$290.49	—	-13.7%
JKHY	▲ Outperform	Jan 11, 23	Jan 11, 24	$181.1	—	$166.61	—	-7.6%
AIZ	▲ Outperform	Jul 23, 21	Jul 23, 22	$155.02	—	$172.07	—	+10.9%
TRV	▲ Outperform	Jul 20, 20	Jul 20, 21	$118.77	—	$150.84	—	+27.2%
AIG	▲ Outperform	Jul 19, 19	Jul 18, 20	$55.94	—	$31.33	—	-43.8%

Sample (7 recent finished + 1 in progress) of 14 calls.

The 25 stocks William Blair performed best on

Stock

Calls

% profitable

Avg gain 2015+

Avg gain 2020+

Last 12 months

▸ LII Lennox International

100%

+53.3%

+66.0%

—

Stock	Rating	Issued	Matures (1yr)	Price at call	Target	End price	Targeted	Result
LII	▲ Outperform	Jul 13, 23	Jul 12, 24	$337.33	—	$556.59	—	+65.2%
LII	▲ Outperform	Jul 12, 23	Jul 11, 24	$334.3	—	$558.28	—	+66.8%
LII	▲ Outperform	Jan 12, 16	Jan 11, 17	$118.39	—	$151.54	—	+27.8%

▸ CRL Charles River Laboratories

100%

+38.4%

+52.5%

—

Stock	Rating	Issued	Matures (1yr)	Price at call	Target	End price	Targeted	Result
CRL	▲ Outperform	Oct 6, 25	Oct 6, 26	$170.1	—	$301.08	—	+76.5%
CRL	▲ Outperform	Jan 14, 25	Jan 14, 26	$173.91	—	$222.6	—	+28.5%
CRL	▲ Outperform	Jan 23, 15	Jan 23, 16	$68.79	—	$75.67	—	+10.1%

% profitable = share of its calls that made money (1 year). Avg gain / call = average absolute gain per call (winners and losers). Point-in-time, S&P 500 backtest.

❓ William Blair: frequently asked questions

Is William Blair a reliable analyst? How accurate are their price targets?

Over 12 months, 77.2% of William Blair's targets were profitable, averaging +29.8% per call (+14.0% vs their sector), across 101 timestamped calls. Verdict: fairly reliable. We judge on real results, not reputation — the call-by-call detail is further up this page.