Civic Intelligence

Xilio Development Inc.

Plan context: Xilio Development Inc. 401(K) Plan

EIN 47-5489842 • Waltham, MA • 8 filings • 5 plans

828 Winter StreetSuite 300Waltham, MA 02451
Current Snapshot

Latest Year

2025

2025 Participants

78

2025 Assets

$14,769,708

2025 Contributions

$3,332,009

Historical Graphs

Total Assets Over Time

Aggregate end-of-year assets by filing year, excluding zero-asset years

$14,769,708$7,384,854$0201820222025YearValue
$14,769,708Latest year 2025

Participants Over Time

Largest reported end-of-year plan headcount by filing year, used to avoid double-counting participants across overlapping plans

98490201820222025YearValue
78Latest year 2025

Company Timeline

Year summaries and individual filings are combined here so you can stay in one place while moving across years and plan filings.

Year / FilingFilingsParticipantsAssetsContributionsContrib./Participant
2025178$14,769,708$3,332,009$42,718iApproximate average salary by contribution assumption: employee only about $1,067,952 at 4% or $711,968 at 6%; with 50% employer match about $711,968 at 4% or $474,645 at 6%; with 100% employer match about $533,976 at 4% or $355,984 at 6%.
Xilio Development Inc. 401(K) Plan-78$14,769,708$3,332,009$42,718iApproximate average salary by contribution assumption: employee only about $1,067,952 at 4% or $711,968 at 6%; with 50% employer match about $711,968 at 4% or $474,645 at 6%; with 100% employer match about $533,976 at 4% or $355,984 at 6%.
2024162$9,805,051$2,231,489$35,992iApproximate average salary by contribution assumption: employee only about $899,794 at 4% or $599,863 at 6%; with 50% employer match about $599,863 at 4% or $399,908 at 6%; with 100% employer match about $449,897 at 4% or $299,931 at 6%.
Xilio Development Inc. 401(K) Plan-62$9,805,051$2,231,489$35,992iApproximate average salary by contribution assumption: employee only about $899,794 at 4% or $599,863 at 6%; with 50% employer match about $599,863 at 4% or $399,908 at 6%; with 100% employer match about $449,897 at 4% or $299,931 at 6%.
2023179$7,825,566$2,453,313$31,055iApproximate average salary by contribution assumption: employee only about $776,365 at 4% or $517,577 at 6%; with 50% employer match about $517,577 at 4% or $345,051 at 6%; with 100% employer match about $388,182 at 4% or $258,788 at 6%.
Xilio Development Inc. 401(K) Plan-79$7,825,566$2,453,313$31,055iApproximate average salary by contribution assumption: employee only about $776,365 at 4% or $517,577 at 6%; with 50% employer match about $517,577 at 4% or $345,051 at 6%; with 100% employer match about $388,182 at 4% or $258,788 at 6%.
2022198$4,585,088$2,116,825$21,600iApproximate average salary by contribution assumption: employee only about $540,006 at 4% or $360,004 at 6%; with 50% employer match about $360,004 at 4% or $240,003 at 6%; with 100% employer match about $270,003 at 4% or $180,002 at 6%.
Xilio Development Inc. 401(K) Plan-98$4,585,088$2,116,825$21,600iApproximate average salary by contribution assumption: employee only about $540,006 at 4% or $360,004 at 6%; with 50% employer match about $360,004 at 4% or $240,003 at 6%; with 100% employer match about $270,003 at 4% or $180,002 at 6%.
2021169$3,610,304$1,262,726$18,300iApproximate average salary by contribution assumption: employee only about $457,509 at 4% or $305,006 at 6%; with 50% employer match about $305,006 at 4% or $203,338 at 6%; with 100% employer match about $228,755 at 4% or $152,503 at 6%.
Xilio Development Inc. 401(K) Plan-69$3,610,304$1,262,726$18,300iApproximate average salary by contribution assumption: employee only about $457,509 at 4% or $305,006 at 6%; with 50% employer match about $305,006 at 4% or $203,338 at 6%; with 100% employer match about $228,755 at 4% or $152,503 at 6%.
2020144$2,067,275$1,346,006$30,591iApproximate average salary by contribution assumption: employee only about $764,776 at 4% or $509,851 at 6%; with 50% employer match about $509,851 at 4% or $339,901 at 6%; with 100% employer match about $382,388 at 4% or $254,925 at 6%.
Xilio Development Inc. 401(K) Plan-44$2,067,275$1,346,006$30,591iApproximate average salary by contribution assumption: employee only about $764,776 at 4% or $509,851 at 6%; with 50% employer match about $509,851 at 4% or $339,901 at 6%; with 100% employer match about $382,388 at 4% or $254,925 at 6%.
2019119$497,660$415,458$21,866iApproximate average salary by contribution assumption: employee only about $546,655 at 4% or $364,437 at 6%; with 50% employer match about $364,437 at 4% or $242,958 at 6%; with 100% employer match about $273,328 at 4% or $182,218 at 6%.
Xilio Development Inc. 401(K) Plan-19$497,660$415,458$21,866iApproximate average salary by contribution assumption: employee only about $546,655 at 4% or $364,437 at 6%; with 50% employer match about $364,437 at 4% or $242,958 at 6%; with 100% employer match about $273,328 at 4% or $182,218 at 6%.
201816$48,796$76,995$12,833iApproximate average salary by contribution assumption: employee only about $320,813 at 4% or $213,875 at 6%; with 50% employer match about $213,875 at 4% or $142,583 at 6%; with 100% employer match about $160,406 at 4% or $106,938 at 6%.
Xilio Development Inc. 401(K) Plan-6$48,796$76,995$12,833iApproximate average salary by contribution assumption: employee only about $320,813 at 4% or $213,875 at 6%; with 50% employer match about $213,875 at 4% or $142,583 at 6%; with 100% employer match about $160,406 at 4% or $106,938 at 6%.