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Observatory · observe first

Electronic Manufacturing Services

Electronic Manufacturing Services is gaining market weight. Lost weight for 2 consecutive months.

Historical time machine
Historical observation
20182026
Gaining steadilyConcentrated

Most of this industry's gains came from a few companies.

Universe weight
0.22%
$0.13T
12-month change
+0.05 pp
6-month change
+0.09 pp
3-month change
+0.04 pp
Company participation
67%
above their 6M weight average

Where did the weight change come from?

12-month contribution in universe percentage points · contributions add to the industry change

Company attribution
Flex Ltd. →+0.067 pp
All other companies-0.020 pp
Industry total+0.047 pp

The three largest same-direction contributors explain 100% of gross gains. Opposing contributions can make an individual company’s change larger than the industry’s net change.

How has it moved through history?

Share of matched S&P 500 members

Sep 2021 – Aug 2026 · market weight (%)

0.10.20.320222023202420252026

Relative performance

Industry return versus ACWI · no future data shown

9210912720222023202420252026

Is participation broad or concentrated?

Actual constituent counts at this date, not the legacy synthetic breadth proxy

Above their 3M universe-weight average0%
Above their 6M universe-weight average67%
Above their 12M universe-weight average33%
Top 5 share of current industry market cap100.0%

This is size concentration, not contribution to the 12-month change. The attribution above measures the latter.

Evidence can disagree

Independent dimensions · no combined score or bullish/bearish verdict

Allocation · 12M+0.05 pp
Relative strength · 12M-16.8%
Price index return · 12M+1.7%
Earnings revisions · unavailable0.0
Allocation gained weight while relative performance fell. At least half of constituents are above their 6M weight average. These observations need not agree.
Other evidence and availability

Valuation data: unavailable; shown as zero placeholder.

Attention data: unavailable; shown as zero placeholder.

Actual fund flows: unavailable. No ETF, mutual-fund or institutional flow feed is connected.

Volume / turnover: unavailable in this dataset.

Follow the contribution to individual companies

Sorted by absolute 12-month weight contribution, not investment merit

CompanySub-industryCountryUniverse weight12M contribution12M price returnRevisions
Flex Ltd. →
FLEX
Electronic Manufacturing ServicesUnited States0.067%+0.067 pp+103.7%0.0
TE Connectivity →
TEL
Electronic Manufacturing ServicesUnited States0.099%-0.028 pp+0.5%0.0
Jabil →
JBL
Electronic Manufacturing ServicesUnited States0.053%+0.008 pp+49.2%0.0
Underlying monthly industry observations
MonthWeight1M change3M change6M change12M changeRelative return · 12M
Aug 20260.219%-0.015 pp+0.045 pp+0.088 pp+0.047 pp-16.8%
Jul 20260.235%-0.041 pp+0.103 pp+0.062 pp+0.056 pp-16.7%
Jun 20260.276%+0.101 pp+0.145 pp+0.097 pp+0.117 pp+11.9%
May 20260.175%+0.042 pp+0.044 pp-0.000 pp+0.026 pp+20.8%
Apr 20260.132%+0.002 pp-0.041 pp-0.057 pp-0.010 pp+28.1%
Mar 20260.130%-0.001 pp-0.049 pp-0.046 pp-0.005 pp+33.6%
Feb 20260.131%-0.042 pp-0.044 pp-0.041 pp-0.009 pp+26.2%
Jan 20260.173%-0.006 pp-0.016 pp-0.006 pp+0.035 pp+23.4%
Dec 20250.179%+0.004 pp+0.002 pp+0.020 pp+0.045 pp+31.1%
Nov 20250.175%-0.014 pp+0.003 pp+0.026 pp+0.041 pp+29.2%
Oct 20250.189%+0.013 pp+0.011 pp+0.047 pp+0.051 pp+40.7%
Sep 20250.177%+0.004 pp+0.018 pp+0.041 pp+0.038 pp+32.4%
Aug 20250.172%-0.007 pp+0.024 pp+0.031 pp+0.029 pp+27.2%
Jul 20250.179%+0.020 pp+0.037 pp+0.041 pp+0.072 pp+28.9%
Jun 20250.158%+0.010 pp+0.023 pp+0.025 pp+0.047 pp+14.0%
May 20250.148%+0.006 pp+0.008 pp+0.015 pp+0.033 pp+2.7%
Apr 20250.142%+0.007 pp+0.004 pp+0.004 pp-0.024 pp-1.9%
Mar 20250.135%-0.005 pp+0.002 pp-0.003 pp-0.036 pp-7.4%
Feb 20250.141%+0.003 pp+0.007 pp-0.002 pp-0.039 pp-6.0%
Jan 20250.138%+0.004 pp-0.000 pp+0.031 pp-0.040 pp-7.6%
Dec 20240.134%+0.000 pp-0.005 pp+0.023 pp-0.045 pp-10.0%
Nov 20240.134%-0.004 pp-0.009 pp+0.019 pp+0.007 pp-8.0%
Oct 20240.138%-0.001 pp+0.031 pp-0.029 pp+0.012 pp-6.3%
Sep 20240.138%-0.004 pp+0.028 pp-0.033 pp+0.009 pp-9.1%
Aug 20240.143%+0.036 pp+0.028 pp-0.037 pp+0.010 pp-10.1%
Jul 20240.107%-0.004 pp-0.059 pp-0.071 pp+0.009 pp-11.4%
Jun 20240.111%-0.004 pp-0.061 pp-0.068 pp+0.009 pp-13.5%
May 20240.115%-0.051 pp-0.065 pp-0.012 pp+0.020 pp-2.9%
Apr 20240.166%-0.005 pp-0.012 pp+0.041 pp+0.036 pp-1.8%
Mar 20240.172%-0.008 pp-0.007 pp+0.042 pp+0.030 pp-8.1%
Feb 20240.180%+0.002 pp+0.053 pp+0.047 pp+0.038 pp-4.3%
Jan 20240.178%-0.001 pp+0.052 pp+0.080 pp+0.040 pp-0.9%
Dec 20230.179%+0.052 pp+0.049 pp+0.077 pp+0.047 pp+1.9%
Nov 20230.127%+0.001 pp-0.006 pp+0.032 pp-0.009 pp-5.0%
Oct 20230.126%-0.004 pp+0.028 pp-0.004 pp-0.013 pp-11.3%
Sep 20230.130%-0.003 pp+0.027 pp-0.012 pp-0.009 pp-5.7%
Aug 20230.132%+0.034 pp+0.037 pp-0.009 pp-0.012 pp-6.6%
Jul 20230.098%-0.004 pp-0.032 pp-0.040 pp-0.049 pp-3.1%
Jun 20230.102%+0.007 pp-0.039 pp-0.029 pp-0.040 pp+8.3%
May 20230.095%-0.035 pp-0.046 pp-0.040 pp-0.055 pp-4.7%
Apr 20230.130%-0.011 pp-0.007 pp-0.008 pp-0.015 pp-2.8%
Mar 20230.142%-0.000 pp+0.010 pp+0.003 pp-0.002 pp+9.6%
Feb 20230.142%+0.004 pp+0.006 pp-0.003 pp-0.019 pp-0.8%
Jan 20230.138%+0.006 pp-0.001 pp-0.009 pp-0.019 pp-1.7%
Dec 20220.131%-0.004 pp-0.007 pp-0.010 pp-0.037 pp-11.4%
Nov 20220.136%-0.003 pp-0.009 pp-0.014 pp-0.034 pp-6.3%
Oct 20220.139%+0.000 pp-0.008 pp-0.007 pp-0.021 pp+6.0%
Sep 20220.139%-0.006 pp-0.003 pp-0.005 pp-0.019 pp+2.8%
Aug 20220.144%-0.003 pp-0.006 pp-0.016 pp-0.020 pp+1.6%
Jul 20220.147%+0.005 pp+0.002 pp-0.010 pp-0.019 pp+2.5%
Jun 20220.142%-0.008 pp-0.002 pp-0.027 pp-0.016 pp+0.4%
May 20220.150%+0.005 pp-0.011 pp-0.020 pp-0.010 pp+3.8%
Apr 20220.145%+0.002 pp-0.011 pp-0.015 pp-0.016 pp-0.1%
Mar 20220.144%-0.017 pp-0.025 pp-0.014 pp+0.060 pp-3.6%
Feb 20220.161%+0.004 pp-0.009 pp-0.004 pp+0.075 pp+3.1%
Jan 20220.157%-0.012 pp-0.003 pp-0.009 pp+0.061 pp+6.0%
Dec 20210.169%-0.001 pp+0.011 pp+0.011 pp+0.007 pp+13.9%
Nov 20210.170%+0.010 pp+0.005 pp+0.009 pp+0.010 pp+14.5%
Oct 20210.160%+0.002 pp-0.006 pp-0.001 pp+0.009 pp+11.9%
Sep 20210.158%-0.007 pp+0.000 pp+0.074 pp+0.158 pp+12.3%
How are these descriptive states defined?

Gaining / losing: 12-month weight change above +0.005pp / below −0.005pp. Direction and speed are separate dimensions, not mutually exclusive recommendations.

Accelerating / slowing: compare the most recent 3M change with the preceding 3M change. Accelerating means a positive change speeds up by >0.02pp. Slowing means the magnitude of movement declines by >0.02pp. A falling industry can also slow.

Reversing: the last two 3M changes have opposite signs, outside a ±0.005pp tolerance. Persistence counts consecutive same-direction monthly changes.

Broad / concentrated: company attribution, not a market-cap concentration shortcut. Concentrated means the three largest same-direction contributors account for ≥70% of gross same-direction changes; otherwise broad requires ≥60% of constituents moving with the industry. Other cases are mixed.

Weights use matched S&P 500 members’ market-cap estimates, based on SEC-reported shares available by each month-end and monthly closing prices. Companies without a matched price or share record are omitted, so the denominator is the matched sample rather than every index member. These are not official float-adjusted S&P weights. Flow is not measured.