Aditya Birla Sun Life BSE 500 Momentum 50 Index Fund vs Union Active Momentum Fund
Direct Plan, Growth option · Data as on 30-10-2026
Aditya Birla Sun Life BSE 500 Momentum 50 Index Fund is an Index fund and Union Active Momentum Fund is a Thematic fund. In the year to 30-10-2026, Aditya Birla Sun Life BSE 500 Momentum 50 Index Fund (Direct) returned −1.6% and Union Active Momentum Fund (Direct) returned 11.7%. Aditya Birla Sun Life BSE 500 Momentum 50 Index Fund charges 0.81% a year and Union Active Momentum Fund 2.35% (Direct plans). Their portfolios overlap 28.9%: they hold 17 of the same securities.
Aditya Birla Sun Life BSE 500 Momentum 50 Index Fund
Index
- 1 year return
- −1.6%
- Expense ratio
- 0.81%
- NAV
- ₹10.35
Union Active Momentum Fund
Thematic
- 1 year return
- 11.7%
- Expense ratio
- 2.35%
- NAV
- ₹9.77
Which is better, Aditya Birla Sun Life BSE 500 Momentum 50 Index or Union Active Momentum? Key differences
It depends on what you want from the fund. These are the differences in numbers, from the data on this page.
- Union Active Momentum returned more over 1 year: 11.7% against −1.6%.
- Aditya Birla Sun Life BSE 500 Momentum 50 Index costs less: 0.81% a year against 2.35% (Direct plans).
- Union Active Momentum fell less in its worst fall since 11-08-2025: −13.3% against −15.4%.
- Aditya Birla Sun Life BSE 500 Momentum 50 Index holds more in large companies: 40.8% of the fund in large caps against 7.2%.
- Union Active Momentum is the larger fund: ₹543 Cr against ₹98 Cr.
- Their portfolios overlap 28.9%: 17 of the same holdings.
Past returns do not promise future returns. This page is information, not investment advice.
Key facts
From each fund's scheme summary document and AMFI
| Fact | Aditya Birla Sun Life BSE 500 Momentum 50 Index Fund | Union Active Momentum Fund |
|---|---|---|
| Fund house | Aditya Birla Sun Life Mutual Fund | Union Mutual Fund |
| Category | Index | Thematic |
| AUM | ₹98 Cr (30-09-2026) | ₹543 Cr (30-09-2026) |
| NAV | ₹10.35 (Direct) | ₹9.77 (Direct) |
| Expense ratio (Direct) | 0.81% | 2.35% |
| Expense ratio (Regular) | 1.53% | 3.59% |
| Riskometer | Very High | Very High |
| Benchmark | BSE 500 Momentum 50 TRI | Nifty 500 TRI |
| Launch date | 08-08-2025 | 19-12-2024 |
| Minimum investment | ₹500 | ₹1,000 |
| Lock in | None | None |
| Fund managers | Priya Sridhar, Mehul Dama | Gaurav Chopra, Sanjay Bembalkar |
| Exit load | For redemption/switch out of units on or before 15 days from the date of allotment - 0.10% of applicable NAV For redemption/switch out of units on or after 15 days from the date of allotment - NIL | 1% for redemption within 1 Year |
Aditya Birla Sun Life BSE 500 Momentum 50 Index vs Union Active Momentum: Returns Comparison
Returns as on 30-10-2026. Up to one year they are absolute returns. Longer periods are a rate per year.
| Fund | 1M | 3M | 6M | 1Y | 3Y | 5Y | 10Y |
|---|---|---|---|---|---|---|---|
| Aditya Birla Sun Life BSE 500 Momentum 50 Index Fund (Direct) | −2.84% | −2.28% | +1.63% | −1.56% | -- | -- | -- |
| Union Active Momentum Fund (Direct) | −4.40% | +2.09% | +10.65% | +11.66% | -- | -- | -- |
| Thematic average | −2.09% | −4.52% | +0.86% | −1.22% | -- | -- | -- |
Category average: the average of the 235 Thematic funds, same plan type.
Aditya Birla Sun Life BSE 500 Momentum 50 Index vs Union Active Momentum: Year-wise Returns
| Year | Aditya Birla Sun Life BSE 500 Momentum 50 IndexAditya Birla Sun Life BSE 500 Momentum 50 Index | Union Active MomentumUnion Active Momentum |
|---|---|---|
| 2026to date | −1.96% | +11.91% |
| 2025 | -- | −13.91% |
Aditya Birla Sun Life BSE 500 Momentum 50 Index vs Union Active Momentum: Rolling Returns
Every holding period of both funds, against BSE 500 Momentum 50 TRI, the benchmark of Aditya Birla Sun Life BSE 500 Momentum 50 Index Fund
Rolling returns
Every 1-year holding period, 55 of them, one for each trading day from 11-08-2026 to 30-10-2026: the yearly return (CAGR) of each, plotted on the day it ended. One lucky or unlucky start day cannot flatter or hide a fund.
Aditya Birla Sun Life BSE 500 Momentum 50 Index Fund (Direct)
Union Active Momentum Fund (Direct)
BSE 500 Momentum 50 TRI
to
Aug 2026Aug 2025
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Aug 2026Sept 2025
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Sept 2026Sept 2025
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Sept 2026Oct 2025
to
Oct 2026Oct 2025
to
Oct 2026
How the periods spread
| Fund | Below 0% | 0-5% | 5-10% | 10-15% | 15-20% | 20-25% | Above 25% | Mean | Median | Lowest | Highest | Beat benchmark |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Aditya Birla Sun Life BSE 500 Momentum 50 Index | 18.2 | 27.3 | 45.5 | 9.1 | 0.0 | 0.0 | 0.0 | 4.7% | 6.1% | −6.4% | 11.9% | 0% |
| Union Active Momentum | 0.0 | 0.0 | 3.7 | 13.0 | 61.1 | 22.2 | 0.0 | 17.4% | 18.0% | 8.1% | 21.9% | 100% |
| BSE 500 Momentum 50 TRI | 14.5 | 21.8 | 45.5 | 18.2 | 0.0 | 0.0 | 0.0 | 5.7% | 7.0% | −5.6% | 13.0% | -- |
The table shows the % of periods in each return band; a darker cell holds more of them. Lumpsum: the yearly rate (CAGR) from a period's first NAV to its last. SIP: the XIRR of the monthly instalments. The benchmark is BSE 500 Momentum 50 TRI, over the same periods. "Beat benchmark" counts the periods in which the fund did better. Every fund is measured over the days all of them have, from 11-08-2025. Past returns do not promise future returns.
Aditya Birla Sun Life BSE 500 Momentum 50 Index vs Union Active Momentum: SIP and Lumpsum Returns
What the same monthly or one-time investment would be worth in each fund today, from their own NAV history
Growth of an investment
₹10,000 on the first trading day of every month, from 11-08-2025 to 30-10-2026: 15 instalments, ₹1,50,000 in all.
| Investment | Invested | Value now | Gain | Return a year |
|---|---|---|---|---|
| Aditya Birla Sun Life BSE 500 Momentum 50 IndexAditya Birla Sun Life BSE 500 Momentum 50 Index Fund (Direct) | ₹1,50,000 | ₹1,50,059 | ₹59 | 0.1% |
| Union Active MomentumUnion Active Momentum Fund (Direct) | ₹1,50,000 | ₹1,63,373 | ₹13,373 | 13.6% |
Aditya Birla Sun Life BSE 500 Momentum 50 IndexAditya Birla Sun Life BSE 500 Momentum 50 Index Fund (Direct)
Union Active MomentumUnion Active Momentum Fund (Direct)
Amount invested
From each plan's published NAV (Growth option), over the same days. Return a year: XIRR for a SIP, CAGR for a lumpsum, shown for a year or more. It does not include exit load, stamp duty or tax. Past returns do not promise future returns.
Aditya Birla Sun Life BSE 500 Momentum 50 Index vs Union Active Momentum: Risk and Drawdowns
How much each fund swings, and the worst fall over the same days
Risk and return
| Measure | Aditya Birla Sun Life BSE 500 Momentum 50 Index Fund (Direct) | Union Active Momentum Fund (Direct) |
|---|---|---|
| Return (CAGR) | −1.56% | +11.66% |
| Standard deviation | 18.42% | 19.14% |
| Sharpe ratio | -0.37 | 0.33 |
| Sortino ratio | -0.50 | 0.46 |
| Maximum drawdown | −15.4% (31-03-2026) | −13.3% (23-03-2026) |
| Beta | 1.00 | 1.09 |
| Alpha | −0.92% | +20.14% |
From daily NAVs, 30-10-2025 to 30-10-2026. Standard deviation: how much the daily value swings, scaled to a year. Sharpe: return above the risk-free rate (NSE's overnight rate index) per unit of swing. Sortino: the same, counting only the falls. Beta and alpha compare each fund with its own benchmark's TRI.
| Measure | Aditya Birla Sun Life BSE 500 Momentum 50 Index Fund (Direct) | Union Active Momentum Fund (Direct) |
|---|---|---|
| Return (CAGR) | +2.19% | −1.36% |
| Standard deviation | 17.26% | 19.31% |
| Sharpe ratio | -0.18 | -0.36 |
| Sortino ratio | -0.25 | -0.47 |
| Maximum drawdown | −15.4% (31-03-2026) | −26.6% (28-02-2025) |
| Beta | 1.00 | 1.13 |
| Alpha | −0.95% | −0.31% |
From daily NAVs, 11-08-2025 to 30-10-2026. Standard deviation: how much the daily value swings, scaled to a year. Sharpe: return above the risk-free rate (NSE's overnight rate index) per unit of swing. Sortino: the same, counting only the falls. Beta and alpha compare each fund with its own benchmark's TRI.
Drawdowns
How far below its previous high each one was on every day: the falls an investor had to sit through. 0% means it was at a new high.
Aditya Birla Sun Life BSE 500 Momentum 50 Index Fund (Direct)
Union Active Momentum Fund (Direct)
BSE 500 Momentum 50 TRI
| Fund | Worst fall | High before it | Bottom | Back at the high | Time to climb back | Below its high today |
|---|---|---|---|---|---|---|
| Aditya Birla Sun Life BSE 500 Momentum 50 Index Fund (Direct) | −15.4% | 26-02-2026 | 31-03-2026 | 04-08-2026 | 4 months | −8.2% |
| Union Active Momentum Fund (Direct) | −13.3% | 26-02-2026 | 23-03-2026 | 21-04-2026 | 29 days | −6.6% |
| BSE 500 Momentum 50 TRI | −15.2% | 26-02-2026 | 30-03-2026 | 22-06-2026 | 3 months | −8.1% |
From daily values since 11-08-2025, the first day every fund has.
Rolling standard deviation
Whether the swings have grown or calmed over time: the standard deviation of daily changes over every 1-year window, scaled to a year, plotted on the window's last day. Higher means a bumpier ride.
Aditya Birla Sun Life BSE 500 Momentum 50 Index Fund (Direct)
Union Active Momentum Fund (Direct)
BSE 500 Momentum 50 TRI
Against BSE 500 Momentum 50 TRI
| Fund | Up capture | Down capture | Tracking error |
|---|---|---|---|
| Aditya Birla Sun Life BSE 500 Momentum 50 Index Fund (Direct) | 97% | 101% | 0.27% |
| Union Active Momentum Fund (Direct) | 114% | 77% | 8.48% |
From month-end values since 11-08-2025. Up capture: a fund's average month when the benchmark rose, as % of the benchmark's; above 100% it gained more. Down capture: the same for months the benchmark fell; below 100% it fell less. Tracking error: how far the monthly returns strayed from the benchmark's, a year; an index fund aims near 0.
Aditya Birla Sun Life BSE 500 Momentum 50 Index vs Union Active Momentum: Portfolio Overlap
From each fund's latest monthly portfolio: Aditya Birla Sun Life BSE 500 Momentum 50 Index Fund, September 2026; Union Active Momentum Fund, September 2026
Holdings in common
- Overlap
- 28.9%
- Held by both
- 17
- Only in Aditya Birla Sun Life BSE 500 Momentum 50 Index
- 33
- Only in Union Active Momentum
- 20
| Security | % of Aditya Birla Sun Life BSE 500 Momentum 50 Index | % of Union Active Momentum |
|---|---|---|
| Welspun Corp Ltd. | 3.01% | 4.11% |
| Laurus Labs Ltd. | 4.28% | 2.82% |
| Sona Blw Precision Forgings Ltd. | 2.45% | 2.80% |
| Torrent Pharmaceuticals Ltd. | 2.81% | 2.44% |
| The Federal Bank Ltd. | 3.85% | 2.35% |
| Bharat Forge Ltd. | 3.62% | 2.33% |
| Ather Energy Ltd. | 2.27% | 2.69% |
| Adani Energy Solutions Ltd. | 2.39% | 2.22% |
| FSN E-Commerce Ventures Ltd. | 2.13% | 2.53% |
| Navin Fluorine International Ltd. | 1.77% | 2.68% |
| AnandRathi Wealth Ltd. | 1.24% | 2.64% |
| Sai Life Sciences Ltd. | 1.22% | 2.36% |
| Craftsman Automation Ltd. | 0.76% | 2.67% |
| R R Kabel Ltd. | 0.70% | 2.53% |
| Aether Industries Ltd. | 0.44% | 1.71% |
| Chennai Petroleum Corporation Ltd. | 0.39% | 2.79% |
| Belrise Industries Ltd. | 0.38% | 2.64% |
Overlap: for each holding both funds own, the smaller of its two weights, added up. 28.9% means 28.9% of each fund's money sits in positions the other also holds. Matched by ISIN. Cash and hedged positions are left out.
Largest holdings only in Aditya Birla Sun Life BSE 500 Momentum 50 Index Fund
| Security | % of fund |
|---|---|
| Samvardhana Motherson International Ltd. | 4.16% |
| Multi Commodity Exchange of India Ltd. | 4.12% |
| Divi's Laboratories Ltd. | 4.09% |
| Bharat Heavy Electricals Ltd. | 4.00% |
| Shriram Finance Ltd. | 3.99% |
Largest holdings only in Union Active Momentum Fund
| Security | % of fund |
|---|---|
| Sansera Engineering Ltd. | 3.30% |
| Avalon Technologies Ltd. | 3.05% |
| IOL Chemicals and Pharmaceuticals Ltd. | 3.03% |
| Shilpa Medicare Ltd. | 2.99% |
| SKY Gold & Diamonds Ltd. | 2.78% |
Asset and sector split
Share of each fund, from its latest monthly portfolio
Asset allocation
| Asset | Aditya Birla Sun Life BSE 500 Momentum 50 Index | Union Active Momentum |
|---|---|---|
| Equity | 100.0% | 90.2% |
| Debt | 0.0% | 0.2% |
| Cash and others | 0.0% | 9.6% |
Market cap of stocks
| Market cap | Aditya Birla Sun Life BSE 500 Momentum 50 Index | Union Active Momentum |
|---|---|---|
| Large Cap | 40.8% | 7.2% |
| Mid Cap | 35.6% | 19.5% |
| Small Cap | 23.6% | 63.5% |
Share of the whole fund. Groups follow AMFI's latest list: Large Cap is the 100 largest companies, Mid Cap the next 150, Small Cap the rest.
Largest sectors
| Sector | Aditya Birla Sun Life BSE 500 Momentum 50 Index | Union Active Momentum |
|---|---|---|
| Pharmaceuticals & Biotechnology | 18.8% | 13.6% |
| Auto Components | 11.4% | 13.7% |
| Industrial Products | 6.2% | 11.0% |
| Electrical Equipment | 7.8% | 5.7% |
| Banks | 7.6% | 4.6% |
| Chemicals & Petrochemicals | 2.2% | 6.7% |
| Non - Ferrous Metals | 6.7% | 0.0% |
| Consumer Durables | 3.8% | 5.1% |
The six largest sectors of each fund's stocks, % of the fund.
Aditya Birla Sun Life BSE 500 Momentum 50 Index vs Union Active Momentum: Expense Ratio
What each plan charges a year, from AMFI's expense ratio file
| Charge | Aditya Birla Sun Life BSE 500 Momentum 50 Index Fund | Union Active Momentum Fund |
|---|---|---|
| Total expense ratio (Direct) | 0.81% | 2.35% |
| Base expense ratio (Direct) | 0.25% | 0.93% |
| Total expense ratio (Regular) | 1.53% | 3.59% |
| Base expense ratio (Regular) | 0.90% | 2.09% |
The expense ratio comes out of the fund's assets every day, so every return on this page is already after it. Base expense ratio: the fund house's own fee. The total adds brokerage, transaction costs, and levies with GST.
More comparisons
Each fund against the others of its category
Aditya Birla Sun Life BSE 500 Momentum 50 Index Fund vs Union Active Momentum Fund: Frequently Asked Questions
What is the difference between Aditya Birla Sun Life BSE 500 Momentum 50 Index Fund and Union Active Momentum Fund?
Aditya Birla Sun Life BSE 500 Momentum 50 Index Fund is an Index fund, Union Active Momentum Fund is a Thematic fund, run by Aditya Birla Sun Life Mutual Fund and Union Mutual Fund. Their portfolios overlap 28.9%. Aditya Birla Sun Life BSE 500 Momentum 50 Index Fund charges 0.81% a year and Union Active Momentum Fund 2.35%.
Which has given higher returns, Aditya Birla Sun Life BSE 500 Momentum 50 Index Fund or Union Active Momentum Fund?
Over 1 year: Aditya Birla Sun Life BSE 500 Momentum 50 Index Fund −1.56%, Union Active Momentum Fund +11.66%. As on 30-10-2026. Past returns do not promise future returns.
Which has the lower expense ratio, Aditya Birla Sun Life BSE 500 Momentum 50 Index Fund or Union Active Momentum Fund?
Aditya Birla Sun Life BSE 500 Momentum 50 Index Fund charges less: 0.81% a year against 2.35%. These are the Direct plans' total expense ratios reported to AMFI.
How much do Aditya Birla Sun Life BSE 500 Momentum 50 Index Fund and Union Active Momentum Fund overlap?
28.9%. They hold 17 of the same securities, the largest shared ones being WELCORP, LAURUSLABS, SONACOMS. From each fund's latest monthly portfolio.
Which is riskier, Aditya Birla Sun Life BSE 500 Momentum 50 Index Fund or Union Active Momentum Fund?
On SEBI's riskometer, Aditya Birla Sun Life BSE 500 Momentum 50 Index Fund is rated Very High and Union Active Momentum Fund Very High. Over 1 years, the standard deviation of daily returns was 18.42% and 19.14% a year.
Can I invest in both Aditya Birla Sun Life BSE 500 Momentum 50 Index Fund and Union Active Momentum Fund?
Yes. 28.9% of each fund's money sits in the same holdings, so some of the two investments would move together.
Who manages Aditya Birla Sun Life BSE 500 Momentum 50 Index Fund and Union Active Momentum Fund?
Aditya Birla Sun Life BSE 500 Momentum 50 Index Fund: Priya Sridhar, Mehul Dama. Union Active Momentum Fund: Gaurav Chopra, Sanjay Bembalkar.
Sources: NAV and expense ratio from AMFI. Holdings from each fund house's monthly portfolio statement. Fund facts from each scheme summary document.
This page is information, not investment advice. Mutual fund investments are subject to market risks; read all scheme related documents carefully. Past returns do not promise future returns. Figures come from AMFI, NSE, BSE and each fund house's own documents.