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Observatory · observe first

Health Care Distributors

Health Care Distributors is losing market weight. No persistent monthly direction.

Historical time machine
Historical observation
20182026
Losing steadilyConcentrated

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

Universe weight
0.00%
$0.07T
12-month change
-0.35 pp
6-month change
+0.00 pp
3-month change
-0.00 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
All other companies-0.213 pp
Industry total-0.352 pp

The three largest same-direction contributors explain 86% 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

Jan 2018 – Aug 2020 · market weight (%)

0.00.30.5201820192020

Relative performance

Industry return versus ACWI · no future data shown

788899201820192020

Is participation broad or concentrated?

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

Above their 3M universe-weight average25%
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-0.35 pp
Relative strength · 12M+0.9%
Price index return · 12M+17.6%
Earnings revisions · unavailable0.0
Allocation lost weight while relative performance rose. 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
McKesson Corporation →
MCK
Health Care DistributorsUnited States0.000%-0.139 pp+12.2%0.0
Cencora →
COR
Health Care DistributorsUnited States0.000%-0.093 pp+27.1%0.0
Cardinal Health →
CAH
Health Care DistributorsUnited States0.000%-0.070 pp+22.4%0.0
Henry Schein →
HSIC
Health Care DistributorsUnited States0.000%-0.050 pp+7.8%0.0
Underlying monthly industry observations
MonthWeight1M change3M change6M change12M changeRelative return · 12M
Aug 20200.000%+0.000 pp-0.000 pp+0.000 pp-0.352 pp+0.9%
Jul 20200.000%-0.000 pp-0.367 pp-0.337 pp-0.363 pp+7.6%
Jun 20200.000%-0.000 pp+0.000 pp-0.328 pp-0.366 pp+11.4%
May 20200.000%-0.367 pp+0.000 pp-0.354 pp-0.359 pp+19.9%
Apr 20200.368%+0.367 pp+0.030 pp+0.025 pp+0.017 pp+20.4%
Mar 20200.000%+0.000 pp-0.328 pp-0.350 pp-0.360 pp+23.7%
Feb 20200.000%-0.337 pp-0.354 pp-0.352 pp-0.389 pp+2.6%
Jan 20200.337%+0.009 pp-0.005 pp-0.026 pp+0.119 pp-3.9%
Dec 20190.329%-0.026 pp-0.021 pp-0.037 pp+0.114 pp-4.3%
Nov 20190.355%+0.012 pp+0.003 pp-0.005 pp+0.121 pp-4.5%
Oct 20190.343%-0.007 pp-0.020 pp-0.007 pp+0.109 pp-8.0%
Sep 20190.350%-0.002 pp-0.016 pp-0.010 pp+0.116 pp-3.9%
Aug 20190.352%-0.011 pp-0.008 pp-0.037 pp+0.124 pp-0.9%
Jul 20190.363%-0.003 pp+0.013 pp+0.144 pp-0.034 pp+4.5%
Jun 20190.366%+0.007 pp+0.006 pp+0.151 pp-0.056 pp-0.8%
May 20190.359%+0.009 pp-0.030 pp+0.126 pp-0.073 pp-6.0%
Apr 20190.350%-0.010 pp+0.131 pp+0.116 pp-0.150 pp-21.4%
Mar 20190.360%-0.029 pp+0.146 pp+0.126 pp-0.105 pp-13.3%
Feb 20190.389%+0.170 pp+0.156 pp+0.161 pp-0.099 pp-11.2%
Jan 20190.219%+0.004 pp-0.015 pp-0.179 pp-0.290 pp-13.4%
Dec 20180.215%-0.019 pp-0.019 pp-0.208 pp-0.294 pp-16.1%
Nov 20180.233%-0.001 pp+0.005 pp-0.199 pp-0.276 pp-9.2%
Oct 20180.234%+0.000 pp-0.164 pp-0.267 pp-0.275 pp-10.8%
Sep 20180.234%+0.006 pp-0.189 pp-0.232 pp-0.275 pp-13.0%
Aug 20180.228%-0.170 pp-0.204 pp-0.260 pp-0.281 pp-15.8%
Jul 20180.398%-0.025 pp-0.103 pp-0.111 pp-0.111 pp-18.9%
Jun 20180.423%-0.010 pp-0.043 pp-0.086 pp-0.086 pp-15.0%
May 20180.432%-0.068 pp-0.056 pp-0.077 pp-0.077 pp-13.7%
Apr 20180.501%+0.035 pp-0.008 pp-0.008 pp-0.008 pp-2.1%
Mar 20180.465%-0.023 pp-0.044 pp-0.044 pp-0.044 pp-8.6%
Feb 20180.488%-0.021 pp-0.021 pp-0.021 pp-0.021 pp-3.4%
Jan 20180.509%+0.000 pp+0.000 pp+0.000 pp+0.000 pp+0.0%
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.