Sensible Investor

Immutable verification record

MFS Growth Fund

Run 7f35c13d-dab5-4663-b04b-b5d91b2d68a2 · portfolio period 2026-05-31 · captured 2026-07-27T02:24:38.043Z

This is the permanent record of what our July 27, 2026 data run computed for MFS Growth Fund, and the exact SEC documents every number came from — it exists so anyone can check us.

Current interpretation · methodology 1.5

How to read this prior-run record now

57.9% of this portfolio matches the Russell 1000 Growth index, which costs $30 a year per $100,000 to own outright. This fund charges $1,610 a year.

This interpretation is computed under the current methodology and is not inserted into the immutable record below.

Cite these figures

Each snippet includes the figure’s source-event date and immutable verification URL.

Best-fit active share

Sensible Investor, “MFS Growth Fund — best-fit active share,” 42.1% versus the Russell 1000 Growth index, fund portfolio as of 2026-05-31; measured against the filed holdings of iShares Russell 1000 Growth ETF (IWF), as of 2026-03-31. https://sensible-investor.com/registry/megbx/as-of/7f35c13d-dab5-4663-b04b-b5d91b2d68a2

MEGBX filed expense ratio

Sensible Investor, “MFS Growth Fund — filed expense ratio,” 1.61% for MEGBX, as of 2025-11-30. https://sensible-investor.com/registry/megbx/as-of/7f35c13d-dab5-4663-b04b-b5d91b2d68a2

MEGBX fee per active unit

Sensible Investor, “MFS Growth Fund — fee per unit of active management,” 3.82% using the MEGBX expense ratio as of 2025-11-30 and fund portfolio as of 2026-05-31. https://sensible-investor.com/registry/megbx/as-of/7f35c13d-dab5-4663-b04b-b5d91b2d68a2

Active share by comparison index

Holdings difference for every comparison calculated in this run.
IndexActive shareHoldings evidenceIdentifier match
the Russell 1000 Growth index42.1%measured against the filed holdings of iShares Russell 1000 Growth ETF (IWF), as of 2026-03-3183.8%
the S&P 50055.2%measured against the filed holdings of iShares Core S&P 500 ETF (IVV), as of 2026-03-3192.8%
the Russell 1000 index58.1%measured against the filed holdings of iShares Russell 1000 ETF (IWB), as of 2026-03-3194.9%
the total US market59.7%measured against the filed holdings of Vanguard Total Stock Market ETF (VTI), as of 2026-03-3195.7%
the Russell 1000 Value index82.4%measured against the filed holdings of iShares Russell 1000 Value ETF (IWD), as of 2026-03-3138.4%
the S&P MidCap 40099.7%measured against the filed holdings of iShares Core S&P Mid-Cap ETF (IJH), as of 2026-03-310.3%
the S&P SmallCap 600100.0%measured against the filed holdings of iShares Core S&P Small-Cap ETF (IJR), as of 2026-03-310.0%
the Russell 2000 index100.0%measured against the filed holdings of iShares Russell 2000 ETF (IWM), as of 2026-03-310.0%

Filed expense ratios by share class

Each fee is tied to its filed SEC source and period.
Share classExpense ratioFiling periodSEC document
MEGBX (MFS Growth Fund)1.61%2025-11-30Open SEC expense filing
MEGRX (MFS Growth Fund)1.11%2025-11-30Open SEC expense filing
MFECX (MFS Growth Fund)1.61%2025-11-30Open SEC expense filing
MFEGX (MFS Growth Fund)0.86%2025-11-30Open SEC expense filing
MFEHX (MFS Growth Fund)0.86%2025-11-30Open SEC expense filing
MFEIX (MFS Growth Fund)0.61%2025-11-30Open SEC expense filing
MFEJX (MFS Growth Fund)0.61%2025-11-30Open SEC expense filing
MFEKX (MFS Growth Fund)0.52%2025-11-30Open SEC expense filing
MFELX (MFS Growth Fund)1.61%2025-11-30Open SEC expense filing

Match rates

How much of the fund filing could be matched to comparison holdings. A benchmark proxy is not compared with itself.
Fund identifier match83.8%
the Russell 1000 Growth index83.8%
the S&P 50092.8%
the Russell 1000 index94.9%
the total US market95.7%
the Russell 1000 Value index38.4%
the S&P MidCap 4000.3%
the S&P SmallCap 6000.0%
the Russell 2000 index0.0%

Fee-drag windows

Dollar fee drag from licensed return windows; the lowest-cost control class is omitted rather than compared with itself, and missing history remains explicit.
Share classWindowFee dragWindow dates
MEGBX10 years$63,3092016-07-25 to 2026-07-24
MEGBX20 years$298,4082006-07-24 to 2026-07-24
MEGBX30 yearsproxy history begins 2000 — no full 30-year windowProxy history begins 2000-05-26
MEGRX10 years$44,4852016-07-25 to 2026-07-24
MEGRX20 years$214,2752006-07-24 to 2026-07-24
MEGRX30 yearsproxy history begins 2000 — no full 30-year windowProxy history begins 2000-05-26
MFECX10 years$63,3092016-07-25 to 2026-07-24
MFECX20 years$298,4082006-07-24 to 2026-07-24
MFECX30 yearsproxy history begins 2000 — no full 30-year windowProxy history begins 2000-05-26
MFEGX10 years$34,7952016-07-25 to 2026-07-24
MFEGX20 years$169,4552006-07-24 to 2026-07-24
MFEGX30 yearsproxy history begins 2000 — no full 30-year windowProxy history begins 2000-05-26
MFEHX10 years$34,7952016-07-25 to 2026-07-24
MFEHX20 years$169,4552006-07-24 to 2026-07-24
MFEHX30 yearsproxy history begins 2000 — no full 30-year windowProxy history begins 2000-05-26
MFEIX10 years$24,9172016-07-25 to 2026-07-24
MFEIX20 years$122,7012006-07-24 to 2026-07-24
MFEIX30 yearsproxy history begins 2000 — no full 30-year windowProxy history begins 2000-05-26
MFEJX10 years$24,9172016-07-25 to 2026-07-24
MFEJX20 years$122,7012006-07-24 to 2026-07-24
MFEJX30 yearsproxy history begins 2000 — no full 30-year windowProxy history begins 2000-05-26
MFEKX10 years$21,3142016-07-25 to 2026-07-24
MFEKX20 years$105,3802006-07-24 to 2026-07-24
MFEKX30 yearsproxy history begins 2000 — no full 30-year windowProxy history begins 2000-05-26
MFELX10 years$63,3092016-07-25 to 2026-07-24
MFELX20 years$298,4082006-07-24 to 2026-07-24
MFELX30 yearsproxy history begins 2000 — no full 30-year windowProxy history begins 2000-05-26

Check it yourself

  1. Open the fund’s linked SEC holdings filing and, for fees, the linked SEC expense filing in the table above.
  2. Find each security identifier and portfolio weight in the holdings filing, and the net annual operating expense for the relevant share class in its expense filing.
  3. Recalculate the comparison using the active-share formula and portfolio rules.
Raw record (JSON)

Download this record as JSON

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