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Observatory · observe first

Industrial Gases

Industrial Gases is losing market weight. Gained weight for 1 consecutive month.

Historical time machine
Historical observation
20182026
Declining fasterConcentrated

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

Universe weight
0.60%
$0.29T
12-month change
-0.10 pp
6-month change
-0.05 pp
3-month change
-0.04 pp
Company participation
0%
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
Linde plc →-0.087 pp
All other companies-0.014 pp
Industry total-0.101 pp

The three largest same-direction contributors explain 100% of gross losses. 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 2020 – Aug 2025 · market weight (%)

0.00.40.820212022202320242025

Relative performance

Industry return versus ACWI · no future data shown

12415117720212022202320242025

Is participation broad or concentrated?

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

Above their 3M universe-weight average50%
Above their 6M universe-weight average0%
Above their 12M universe-weight average0%
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-0.10 pp
Relative strength · 12M-11.4%
Price index return · 12M+2.7%
Earnings revisions · unavailable0.0
Allocation lost weight while relative performance fell. Fewer than 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
Linde plc →
LIN
Industrial GasesUnited States0.465%-0.087 pp+1.3%0.0
Air Products →
APD
Industrial GasesUnited States0.136%-0.014 pp+8.1%0.0
Underlying monthly industry observations
MonthWeight1M change3M change6M change12M changeRelative return · 12M
Aug 20250.601%+0.008 pp-0.039 pp-0.051 pp-0.101 pp-11.4%
Jul 20250.593%-0.020 pp-0.067 pp-0.046 pp+0.097 pp-9.5%
Jun 20250.612%-0.028 pp-0.066 pp+0.014 pp+0.109 pp-6.2%
May 20250.640%-0.020 pp-0.011 pp-0.008 pp+0.126 pp-4.3%
Apr 20250.659%-0.019 pp+0.021 pp-0.013 pp-0.108 pp-4.7%
Mar 20250.679%+0.027 pp+0.080 pp-0.006 pp-0.091 pp-1.5%
Feb 20250.651%+0.013 pp+0.003 pp-0.050 pp-0.117 pp-3.0%
Jan 20250.638%+0.040 pp-0.035 pp+0.142 pp-0.114 pp-3.3%
Dec 20240.598%-0.050 pp-0.086 pp+0.095 pp-0.177 pp-11.1%
Nov 20240.648%-0.024 pp-0.053 pp+0.135 pp-0.164 pp-8.2%
Oct 20240.673%-0.011 pp+0.177 pp-0.094 pp-0.171 pp-10.2%
Sep 20240.684%-0.017 pp+0.181 pp-0.085 pp-0.133 pp-6.0%
Aug 20240.702%+0.206 pp+0.188 pp-0.067 pp-0.109 pp-4.5%
Jul 20240.496%-0.007 pp-0.271 pp-0.257 pp-0.067 pp-5.9%
Jun 20240.503%-0.011 pp-0.267 pp-0.272 pp-0.083 pp-8.6%
May 20240.513%-0.254 pp-0.255 pp-0.299 pp-0.063 pp-3.9%
Apr 20240.767%-0.002 pp+0.015 pp-0.076 pp-0.065 pp-5.4%
Mar 20240.769%+0.001 pp-0.006 pp-0.047 pp-0.045 pp-2.6%
Feb 20240.768%+0.016 pp-0.045 pp-0.043 pp-0.058 pp-4.3%
Jan 20240.753%-0.023 pp-0.091 pp+0.189 pp-0.051 pp-2.5%
Dec 20230.775%-0.038 pp-0.042 pp+0.189 pp-0.053 pp-4.5%
Nov 20230.813%-0.030 pp+0.002 pp+0.237 pp+0.015 pp+2.7%
Oct 20230.843%+0.026 pp+0.280 pp+0.011 pp+0.125 pp+14.0%
Sep 20230.817%+0.006 pp+0.231 pp+0.003 pp+0.086 pp+12.4%
Aug 20230.811%+0.248 pp+0.235 pp-0.015 pp+0.106 pp+16.7%
Jul 20230.563%-0.023 pp-0.269 pp-0.240 pp-0.143 pp+15.3%
Jun 20230.586%+0.010 pp-0.229 pp-0.243 pp-0.184 pp+13.9%
May 20230.576%-0.257 pp-0.250 pp-0.222 pp-0.209 pp+9.7%
Apr 20230.832%+0.018 pp+0.029 pp+0.114 pp+0.072 pp+19.2%
Mar 20230.814%-0.012 pp-0.014 pp+0.084 pp+0.082 pp+22.9%
Feb 20230.826%+0.023 pp+0.028 pp+0.121 pp+0.128 pp+32.6%
Jan 20230.803%-0.025 pp+0.084 pp+0.097 pp+0.044 pp+18.2%
Dec 20220.829%+0.031 pp+0.098 pp+0.059 pp+0.044 pp+20.1%
Nov 20220.798%+0.079 pp+0.093 pp+0.013 pp+0.032 pp+21.9%
Oct 20220.719%-0.012 pp+0.012 pp-0.042 pp-0.049 pp+14.8%
Sep 20220.731%+0.026 pp-0.039 pp-0.002 pp-0.000 pp+17.4%
Aug 20220.705%-0.001 pp-0.080 pp+0.007 pp-0.038 pp+10.2%
Jul 20220.706%-0.064 pp-0.054 pp-0.053 pp-0.059 pp+7.1%
Jun 20220.770%-0.015 pp+0.038 pp-0.015 pp+0.014 pp+14.0%
May 20220.785%+0.025 pp+0.087 pp+0.019 pp-0.013 pp+9.4%
Apr 20220.760%+0.028 pp+0.001 pp-0.008 pp-0.013 pp+8.7%
Mar 20220.732%+0.034 pp-0.052 pp+0.001 pp+0.324 pp+1.4%
Feb 20220.698%-0.061 pp-0.068 pp-0.045 pp+0.329 pp+5.3%
Jan 20220.759%-0.025 pp-0.009 pp-0.006 pp+0.310 pp+9.4%
Dec 20210.785%+0.019 pp+0.054 pp+0.029 pp-0.020 pp+7.3%
Nov 20210.766%-0.002 pp+0.023 pp-0.032 pp-0.069 pp-0.3%
Oct 20210.768%+0.037 pp+0.003 pp-0.005 pp-0.069 pp-1.7%
Sep 20210.731%-0.012 pp-0.025 pp+0.323 pp+0.730 pp-11.6%
Aug 20210.743%-0.022 pp-0.055 pp+0.373 pp+0.742 pp-9.2%
Jul 20210.765%+0.009 pp-0.008 pp+0.315 pp+0.764 pp-10.4%
Jun 20210.756%-0.042 pp+0.348 pp-0.048 pp+0.755 pp-4.6%
May 20210.798%+0.025 pp+0.429 pp-0.037 pp+0.797 pp+0.9%
Apr 20210.773%+0.365 pp+0.323 pp-0.064 pp-0.055 pp+1.3%
Mar 20210.408%+0.039 pp-0.396 pp+0.407 pp+0.407 pp+2.1%
Feb 20210.369%-0.080 pp-0.465 pp+0.368 pp+0.369 pp-2.8%
Jan 20210.450%-0.355 pp-0.387 pp+0.449 pp-0.348 pp+2.0%
Dec 20200.804%-0.030 pp+0.803 pp+0.803 pp-0.011 pp+6.2%
Nov 20200.835%-0.002 pp+0.834 pp+0.834 pp+0.014 pp+8.5%
Oct 20200.837%+0.836 pp+0.836 pp+0.009 pp+0.033 pp+13.0%
Sep 20200.001%-0.000 pp+0.000 pp+0.000 pp-0.815 pp+16.6%
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.