Tekla World Healthcare Fund (Tekla World Healthcare Fund) Predictability Rank

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What is Tekla World Healthcare Fund Predictability Rank?

Not Rated

Warren Buffett said many times that the companies he likes are:

1. Simple businesses that he understands
2. that have predictable and proven earnings and
3. with economic moat
4. those can be bought at a reasonable price.

It is hard to quantify "simple businesses that he (Buffett) understands", so we will focus on the other three characteristics instead. In GuruFocus Research: What worked in the market from 1998-2008? Part I: Introduction of Predictability Rank, we will show that the businesses that have predictable and proven earnings are usually also simple businesses that an average person could understand.

GuruFocus conducted a back test study of Warren Buffett's strategy of "buying good companies at fair prices" for the years from 1998-2008.

Tekla World Healthcare Fund Predictability Rank Calculation

In our database there are 2403 stocks that have been traded from Jan. 2, 1998 to Aug. 31, 2008. We have the complete 10-year financial data and trading prices of these companies for this period. We rank the predictability of these companies based on the consistency of their revenue per share and EBITDA (earning before interest, tax, depreciation and amortization) per share over the past ten fiscal years, and study the correlation between the stock performances and the predictability of the business.

Our study may be subject to these biases and assumptions:

Dividend yields are not counted for investment returns
Effects of price changes due to spin-offs may not be fully adjusted
Study is subjected to survivorship bias due to de-listing, bankruptcy, LBO, M&A, etc.

The correlation between business predictability and investment returns of a company is showed below.

Correlation Between Business Predictability and Investment Returns

	Predictables	Non-Predictable	All stocks
Total Number of stocks	570	1833	2403
Total Lost Money	61	830	891
Total Lost More Than 50%	18	412	430
Total Lost More Than 90%	4	86	90
Average Gain	260.6%	100.0%	138.1%
Median Gain	150.0%	13.0%	39.0%
Maximum Gain	2852.0%	11483.0%	11483.0%
Maximum Loss	-100.0%	-100.0%	-100.0%
Annualized Average Gain	12.7%	6.7%	8.4%
Annualized Median Gain	8.9%	1.1%	3.1%

For the 570 predictable companies, we have seen strong correlation between the predictability of businesses and the stock performances over the past 10 years, regardless of the valuation of business at 1998. Accordingly, we have ranked the business predictability from 5-star to 1-star, as shown in this table.

Predictability Rank	5-Star	4.5-Star	4-Star	3.5-Star	3-Star	2.5-Star	2-Star	1-Star (non-predictable)	Average among all
% Out of All 2403 Stocks	3.3%	2.9%	3.7%	3.3%	3.3%	3.7%	3.3%	76.3%	100%
% that are in Loss (10y)	3%	10%	8%	9%	11%	18%	16%	45%	37%
Average Gain (10y)	364.6%	330.9%	278.0%	235.1%	243.5%	227.8%	154.8%	100.0%	138.1%
Median Gain (10y)	238.5%	193.5%	171.0%	159.0%	132.5%	113.5%	87.0%	13.0%	39.0%
Maximum Gainer	2228.0%	2547.0%	2452.0%	2852.0%	2432.0%	1892.0%	1807.0%	11483.0%	11483.0%
Maximum Loser	-82.0%	-53.0%	-67.0%	-100.0%	-83.0%	-100.0%	-78.0%	-100.0%	-100.0%
Annualized Average Gain	15.4%	14.6%	13.2%	12.0%	12.2%	11.7%	9.1%	6.7%	8.4%
Annualized Median Gain	12.1%	10.6%	9.8%	9.3%	8.2%	7.3%	6.0%	1.1%	3.1%

For detailed information about each predictability rank, please go to GuruFocus Research: What worked in the market from 1998-2008? Part I: Introduction of Predictability Rank

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Tekla World Healthcare Fund (Tekla World Healthcare Fund) Business Description

Industry

GURUFOCUS.COM » STOCK LIST » Financial Services » Asset Management » Tekla World Healthcare Fund (NYSE:THW) » Definitions » Predictability Rank

Comparable Companies

Traded in Other Exchanges

N/A

Address

1900 Market Street, Suite 200, Philadelphia, PA, USA, 19103

Website

https://www.abrdnthw.com

Tekla World Healthcare Fund is a diversified closed-end management investment company. Its investment objective is to seek current income and long-term capital appreciation through investments in U.S. and non-U.S. companies engaged in the healthcare industry. The company's investment portfolio comprises investments in different sub-sectors such as pharmaceuticals and biotechnology, healthcare providers and services, real estate investment trusts, medical devices and diagnostics, and other areas.

Executives

Bill Maher	director	600 WEST BROADWAY, 30TH FL., SAN DIEGO CA 92101
James Joseph O'connor	other: Director of Adviser	C/O ABERDEEN STANDARD INVESTMENTS, 1900 MARKET STREET, SUITE 200, PHILADELPHIA PA 19103
Todd Reit	director	C/O ABERDEEN STANDARD INVESTMENTS, 1900 MARKET STREET, SUITE 200, PHILADELPHIA PA 19103
Marika Tooze	other: Director of Adviser	C/O ABRDN, 1900 MARKET STREET, SUITE 200, PHILADELPHIA PA 19103
Aberdeen Standard Investments Inc.	other: Adviser	1900 MARKET ST., 2ND FLOOR, PHILADELPHIA PA 19103
Jaclyn Marie Matsick	other: Director of Adviser	C/O ABRDN, 1900 MARKET STREET, SUITE 200, PHILADELPHIA PA 19103
Lucia Sitar	officer: VP and Chief Legal Officer	1735 MARKET STREET, 32ND FLOOR, PHILADELPHIA PA 19103
Jennifer A Nichols	other: Director of Adviser	1735 MARKET STREET, 37TH FLOOR, PHILADELPHIA PA 19103
Christian Pittard	officer: President	ONE BOW CHURCHYARD, LONDON X0 EC4M 9HH
Megan Kennedy	officer: Secretary and Vice President	1735 MARKET STREET, 32ND FLOOR, PHILADELPHIA PA 19103
Sharon Ferrari	officer: Treasurer and CFO	1735 MARKET STREET, 32ND FLOOR, PHILADELPHIA PA 19103
Alan R Goodson	officer: Vice President	1735 MARKET STREET, 32ND FLOOR, PHILADELPHIA PA 19103
Joseph Andolina	officer: Chief Compliance Officer & VP	1735 MARKET STREET, 32ND FLOOR, PHILADELPHIA PA 19103
Stephen Bird	director	388 GREENWICH STREET, 17TH FLOOR, NEW YORK NY 10022
Rose Dimartino	director	C/O ABRDN, 1900 MARKET STREET, PHILADELPHIA PA 19103