OriginaveSSAC (ISAC) vs IWFM: which ETF won each year?
Yearly returns side by side, one winner per year — dividends included, priced as you'd actually buy them.
Every figure here is in pounds — what you'd actually pocket buying on the London Stock Exchange. Fund fact sheets usually headline returns in US dollars, which can look very different in years when the pound moves against the dollar. Here's the full story, year by year.
SSAC
- CSP1iShares Core S&P 500 UCITS ETF USD (Acc)tracks the S&P 500 Index
- SSACiShares MSCI ACWI UCITS ETF USD (Acc)tracks the MSCI ACWI Index
VWRPVanguard FTSE All-World UCITS ETF (Acc)tracks the FTSE All-World Index- VHVGVanguard FTSE Developed World UCITS ETF (Acc)tracks the FTSE Developed World Index
- SWDAiShares Core MSCI World UCITS ETF (Acc)tracks the MSCI World Index
- CNX1iShares Nasdaq 100 UCITS ETF (Acc)tracks the Nasdaq-100 Index
- VHYLVanguard FTSE All-World High Dividend Yield UCITS ETF (Dist)tracks the FTSE All-World High Dividend Yield Index
- IWFViShares Edge MSCI World Value Factor UCITS ETFtracks the MSCI World Enhanced Value Index
- IWFMiShares Edge MSCI World Momentum Factor UCITS ETF (Acc)tracks the MSCI World Momentum Index
- IWFQiShares Edge MSCI World Quality Factor UCITS ETF (Acc)tracks the MSCI World Sector Neutral Quality Index
IWFM
- CSP1iShares Core S&P 500 UCITS ETF USD (Acc)tracks the S&P 500 Index
- SSACiShares MSCI ACWI UCITS ETF USD (Acc)tracks the MSCI ACWI Index
- VWRPVanguard FTSE All-World UCITS ETF (Acc)tracks the FTSE All-World Index
- VHVGVanguard FTSE Developed World UCITS ETF (Acc)tracks the FTSE Developed World Index
- SWDAiShares Core MSCI World UCITS ETF (Acc)tracks the MSCI World Index
- CNX1iShares Nasdaq 100 UCITS ETF (Acc)tracks the Nasdaq-100 Index
- VHYLVanguard FTSE All-World High Dividend Yield UCITS ETF (Dist)tracks the FTSE All-World High Dividend Yield Index
- IWFViShares Edge MSCI World Value Factor UCITS ETFtracks the MSCI World Enhanced Value Index
- IWFMiShares Edge MSCI World Momentum Factor UCITS ETF (Acc)tracks the MSCI World Momentum Index
- IWFQiShares Edge MSCI World Quality Factor UCITS ETF (Acc)tracks the MSCI World Sector Neutral Quality Index
SSAC tracks the MSCI ACWI IndexIWFM tracks the MSCI World Momentum Index
What did the last 10 years do to £10,000?
You invest £10,000 at the start of the window and touch nothing — dividends reinvested, the running year not counted.
SSAC vs IWFM, year by year
Calendar-year total returns (dividends included) side by side, and who took the crown each year. A dash means the fund did not exist yet.
| Year | SSAC | IWFM | Winner |
|---|---|---|---|
| 2026 (so far) | +14.58% | +23.83% | IWFM |
| 2025 | +13.95% | +12.72% | SSAC |
| 2024 | +19.63% | +32.62% | IWFM |
| 2023 | +16.14% | +5.85% | SSAC |
| 2022 | -8.56% | -8.21% | IWFM |
| 2021 | +20.35% | +15.58% | SSAC |
| 2020 | +11.80% | +24.16% | IWFM |
| 2019 | +22.09% | +23.25% | IWFM |
| 2018 | -4.76% | +1.62% | IWFM |
| 2017 | +13.26% | +20.40% | IWFM |
| 2016 | +29.60% | +25.05% | SSAC |
| 2015 | +1.60% | +8.82% | IWFM |
| 2014 | +11.27% | -32.51% | SSAC |
| 2013 | +21.20% | — | — |
| 2012 | +9.30% | — | — |
| 2011 | -35.63% | — | — |
SSAC vs IWFM in plain words
SSAC tracks the MSCI ACWI Index while IWFM follows the MSCI World Momentum Index, so they own different slices of the market and their years can look very different. SSAC charges 0.20% a year in running costs and IWFM charges 0.25% — SSAC is the cheaper fund to hold.
Both are accumulating funds: dividends are reinvested inside the fund and show up as a higher share price, never as a payout. Across the 13 calendar years both funds were trading, SSAC finished the year ahead 5 times and IWFM 8 times. £10,000 invested at the start of 2016 was worth £33,247 in SSAC versus £39,306 in IWFM by the end of 2025, dividends reinvested.
ISAC is the London (USD) listing and IUSQ the Xetra (EUR) line of the same fund, ISIN IE00B6R52259 — SSAC is its GBP line on the London Stock Exchange.
IWMO is the London (USD) listing and IS3R the Xetra (EUR) line of the same fund, ISIN IE00BP3QZ825 — IWFM is its GBP line on the London Stock Exchange.
Fund facts: SSAC vs IWFM
| Fact | SSAC | IWFM |
|---|---|---|
| Fund | iShares MSCI ACWI UCITS ETF USD (Acc) | iShares Edge MSCI World Momentum Factor UCITS ETF (Acc) |
| Tracks | MSCI ACWI Index | MSCI World Momentum Index |
| Yearly cost (TER) | 0.20% | 0.25% |
| Dividends | Accumulating — dividends reinvested | Accumulating — dividends reinvested |
| Launched | 21 Oct 2011 | 3 Oct 2014 |
| ISIN | IE00B6R52259 | IE00BP3QZ825 |
| Also trades as | ISAC | — |
| £10,000 invested | What £10,000 in SSAC became | What £10,000 in IWFM became |
How bumpy the ride was: SSAC vs IWFM
These head-to-head figures use only the 3,031 trading days both funds were listed: 6 Oct 2014 to 7 Oct 2026, roughly 12.0 years.
IWFM swung more than SSAC: annualised volatility of 14.5% for SSAC against 20.5% for IWFM, with SSAC moving 1% or more on 20.8% of trading days and IWFM on 27.7%. SSAC's worst day was -7.88% on 12 Mar 2020; IWFM's was -38.31% on 7 Oct 2014.
IWFM had the deeper drawdown: it fell -41.86% from its peak on 6 Oct 2014 to a low on 15 Oct 2014, then closed back above the old peak on 26 May 2017, 31 months after the low; SSAC fell -25.43% from its peak on 19 Feb 2020 to a low on 23 Mar 2020, then closed back above the old peak on 10 Sept 2020, 5 months after the low.
Day to day the two often go their own way: the correlation of their daily returns is 0.75, and they closed in opposite directions on 14.4% of the 3,030 days measured. The widest single-day gap came on 7 Oct 2014, when SSAC moved -1.19% and IWFM -38.31%.
| Measure | SSAC | IWFM |
|---|---|---|
| Annualised volatility | 14.5% | 20.5% |
| Worst day | -7.88% on 12 Mar 2020 | -38.31% on 7 Oct 2014 |
| Best day | +6.33% on 24 Mar 2020 | +6.46% on 24 Jun 2016 |
| Days moving 1% or more | 20.8% of days | 27.7% of days |
| Deepest drawdown | -25.43% | -41.86% |
| Peak to trough | 19 Feb 2020 → 23 Mar 2020 | 6 Oct 2014 → 15 Oct 2014 |
| Back above the old peak | 10 Sept 2020 · 5 months | 26 May 2017 · 31 months |
Years SSAC and IWFM parted ways
In 7 of the 12 completed calendar years both funds were trading, the two returns ended more than 5 points apart. The widest split was 2014: SSAC returned +11.27% and IWFM -32.51%, a gap of 43.8 points. They rose together in 9 years, fell together in 1 year and went opposite ways in 2 years.
| Year | SSAC | IWFM | Gap (SSAC − IWFM) |
|---|---|---|---|
| 2024 | +19.63% | +32.62% | -13.0 pts |
| 2023 | +16.14% | +5.85% | +10.3 pts |
| 2020 | +11.80% | +24.16% | -12.4 pts |
| 2018 | -4.76% | +1.62% | -6.4 pts |
| 2017 | +13.26% | +20.40% | -7.1 pts |
| 2015 | +1.60% | +8.82% | -7.2 pts |
| 2014 | +11.27% | -32.51% | +43.8 pts |
How often SSAC beat IWFM over any 12 months
Across the 132 rolling 12-month windows since October 2014, measured month-end to month-end, SSAC finished ahead in 36.4% of them (48) and IWFM in 63.6% (84).
£200 a month into each, 2015–2025
Putting £200 into each fund at the start of every month from January 2015 to December 2025 (132 payments, £26,400 in total) would have grown to £53,072 in SSAC and £58,456 in IWFM, leaving IWFM £5,384 ahead.
| Outcome | SSAC | IWFM |
|---|---|---|
| Paid in | £26,400 | £26,400 |
| Value at the end of 2025 | £53,072 | £58,456 |
| Gain on the money paid in | +£26,672 | +£32,056 |
| Gain in % | +101.03% | +121.42% |
Each payment rides the return of the month it lands in, dividends reinvested. Only calendar years with all twelve months of data for both funds count, so the plan may start later than the shared history.
Frequently asked
Is SSAC or IWFM better?
Across the 13 calendar years both funds were trading, SSAC finished the year ahead 5 times and IWFM 8 times. £10,000 invested at the start of 2016 was worth £33,247 in SSAC versus £39,306 in IWFM by the end of 2025, dividends reinvested. Past returns don't promise future ones — but this is what actually happened.
What is the difference between SSAC and IWFM?
SSAC tracks the MSCI ACWI Index while IWFM follows the MSCI World Momentum Index, so they own different slices of the market and their years can look very different. SSAC charges 0.20% a year in running costs and IWFM charges 0.25% — SSAC is the cheaper fund to hold. Both are accumulating funds: dividends are reinvested inside the fund and show up as a higher share price, never as a payout.
Which is more volatile, SSAC or IWFM?
IWFM swung more than SSAC: annualised volatility of 14.5% for SSAC against 20.5% for IWFM, with SSAC moving 1% or more on 20.8% of trading days and IWFM on 27.7%. SSAC's worst day was -7.88% on 12 Mar 2020; IWFM's was -38.31% on 7 Oct 2014.
Which had the deeper drawdown, SSAC or IWFM?
IWFM had the deeper drawdown: it fell -41.86% from its peak on 6 Oct 2014 to a low on 15 Oct 2014, then closed back above the old peak on 26 May 2017, 31 months after the low; SSAC fell -25.43% from its peak on 19 Feb 2020 to a low on 23 Mar 2020, then closed back above the old peak on 10 Sept 2020, 5 months after the low.
How often did SSAC beat IWFM over a 12-month period?
Across the 132 rolling 12-month windows since October 2014, measured month-end to month-end, SSAC finished ahead in 36.4% of them (48) and IWFM in 63.6% (84).
What would £10,000 in SSAC have become?
£10,000 invested in SSAC at the start of 2016 grew to £33,247 by the end of 2025, with dividends reinvested — an average of 12.8% per year.
Is ISAC the same as SSAC?
ISAC is the London (USD) listing and IUSQ the Xetra (EUR) line of the same fund, ISIN IE00B6R52259 — SSAC is its GBP line on the London Stock Exchange.
Related comparisons
More head-to-heads featuring SSAC or IWFM.
Source: Yahoo Finance daily adjusted closes for the GBP trading lines on the London Stock Exchange, dividends reinvested. Prices through · refreshed 7 Oct 2026, 08:49 UTC. How every number is calculated.