What is an Active Share?

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What is an Active Share?

Sam Bourgi

|

actively managed fund image
Actively managed funds give investors the opportunity to outperform the market. Of course, they also entail greater risk and higher costs. Investors going down this route will find “active share” a valuable diagnostic tool for evaluating a fund’s underlying holdings.
Active share refers to the percentage of a fund’s underlying holdings that are different from its benchmark index. The greater the active share percentage, the more the fund deviates from its benchmark. The smaller the active share percentage, the more closely it resembles the benchmark. Funds with no holdings in common with the benchmark have an active share of 100%. If it has the exact same holdings as the benchmark, its active share is 0%.

Up until recently, it wasn’t clear how fund managers calculated their active share percentage. This began to change last year when 13 fund companies reached an agreement with the New York State Attorney to voluntarily disclose their calculation on a quarterly basis. The firms that have agreed to do so are: AllianceBernstein, BlackRock, Dreyfus, The Capital Group (American Funds), Columbia Management, Eaton Vance, Goldman Sachs, JPMorgan Chase, OppenheimerFunds, Nuveen, T. Rowe Price, USAA and Vanguard.

For a disclosure sample, check out Vanguard’s quarterly report on the active share of actively managed equity funds. This release contains 28 actively managed equity funds and the active share percentage of each. As you can see, the Capital Opportunity Fund (VHCOX) has the highest active share percentage at 92.4%. This means it has very few holdings in common with its benchmark.

Read more here if active managers are worth it.

Benefits and Limitations

By disclosing their active share calculation, fund managers will allow investors to better determine whether a high-fee, actively managed fund is worth the cost. Investors can also evaluate the methodology to determine whether the proposed set-up can generate higher returns than the lower-cost, passively managed funds.

While useful, active share doesn’t provide a complete picture of whether a fund is worth your time and money. Investors should certainly weigh the methodology but must avoid placing too much emphasis on the metrics. For starters, active share doesn’t account for sector or region rotations, a commonly employed tactic by fund managers.

It also says nothing about approaches that emphasize various factor-investing strategies such as size, quality or momentum. This is important given that many funds are utilizing smart-beta strategies with low active share but meaningfully different returns than the benchmark index. If one were to solely rely on active share, they may disregard these funds despite their market-beating performance.

Research undertaken by Vanguard shows that high active share wasn’t significantly related to subsequent fund outperformance between 2001-2011. Rather, to outperform a benchmark index, a fund must differ in either the securities that are chosen or their percentage weighting. A manager’s skill also plays a big role in the fund’s performance relative to its benchmark.

A good starting point for active share consideration is to look at its impact on cost and weigh the dimensions mentioned above. A fund with a high active share may also be more useful in a broadly diversified equity portfolio where active share isn’t a principal consideration. This is true of virtually any investing strategy, as it’s never wise to put all your eggs in one basket.

Be sure to check our News section to keep track of the recent fund performances.

The Bottom Line

Active share is a useful metric for evaluating mutual funds, but it shouldn’t be used as a standalone indicator for predicting their success. A more holistic approach that looks at the fund’s underlying investment strategy must also be carefully weighed.

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Find out why $30 trillon is invested in mutual funds.

Why 30 trillion is invested in mutual funds book

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actively managed fund image

What is an Active Share?

Sam Bourgi

|

Actively managed funds give investors the opportunity to outperform the market. Of course, they also entail greater risk and higher costs. Investors going down this route will find “active share” a valuable diagnostic tool for evaluating a fund’s underlying holdings.
Active share refers to the percentage of a fund’s underlying holdings that are different from its benchmark index. The greater the active share percentage, the more the fund deviates from its benchmark. The smaller the active share percentage, the more closely it resembles the benchmark. Funds with no holdings in common with the benchmark have an active share of 100%. If it has the exact same holdings as the benchmark, its active share is 0%.

Up until recently, it wasn’t clear how fund managers calculated their active share percentage. This began to change last year when 13 fund companies reached an agreement with the New York State Attorney to voluntarily disclose their calculation on a quarterly basis. The firms that have agreed to do so are: AllianceBernstein, BlackRock, Dreyfus, The Capital Group (American Funds), Columbia Management, Eaton Vance, Goldman Sachs, JPMorgan Chase, OppenheimerFunds, Nuveen, T. Rowe Price, USAA and Vanguard.

For a disclosure sample, check out Vanguard’s quarterly report on the active share of actively managed equity funds. This release contains 28 actively managed equity funds and the active share percentage of each. As you can see, the Capital Opportunity Fund (VHCOX) has the highest active share percentage at 92.4%. This means it has very few holdings in common with its benchmark.

Read more here if active managers are worth it.

Benefits and Limitations

By disclosing their active share calculation, fund managers will allow investors to better determine whether a high-fee, actively managed fund is worth the cost. Investors can also evaluate the methodology to determine whether the proposed set-up can generate higher returns than the lower-cost, passively managed funds.

While useful, active share doesn’t provide a complete picture of whether a fund is worth your time and money. Investors should certainly weigh the methodology but must avoid placing too much emphasis on the metrics. For starters, active share doesn’t account for sector or region rotations, a commonly employed tactic by fund managers.

It also says nothing about approaches that emphasize various factor-investing strategies such as size, quality or momentum. This is important given that many funds are utilizing smart-beta strategies with low active share but meaningfully different returns than the benchmark index. If one were to solely rely on active share, they may disregard these funds despite their market-beating performance.

Research undertaken by Vanguard shows that high active share wasn’t significantly related to subsequent fund outperformance between 2001-2011. Rather, to outperform a benchmark index, a fund must differ in either the securities that are chosen or their percentage weighting. A manager’s skill also plays a big role in the fund’s performance relative to its benchmark.

A good starting point for active share consideration is to look at its impact on cost and weigh the dimensions mentioned above. A fund with a high active share may also be more useful in a broadly diversified equity portfolio where active share isn’t a principal consideration. This is true of virtually any investing strategy, as it’s never wise to put all your eggs in one basket.

Be sure to check our News section to keep track of the recent fund performances.

The Bottom Line

Active share is a useful metric for evaluating mutual funds, but it shouldn’t be used as a standalone indicator for predicting their success. A more holistic approach that looks at the fund’s underlying investment strategy must also be carefully weighed.

Sign up for our free newsletter to get the latest news on mutual funds.


Sign up for Advisor Access

Receive email updates about best performers, news, CE accredited webcasts and more.

Popular Articles

Download our free report

Find out why $30 trillon is invested in mutual funds.

Why 30 trillion is invested in mutual funds book

Why 30 trillion is invested in mutual funds book

Download our free report

Find out why $30 trillon is invested in mutual funds.

Why 30 trillion is invested in mutual funds book

Download our free report

Find out why $30 trillon is invested in mutual funds.


Read Next