Civic Intelligence

TIAX LLC

Plan context: Tiax LLC 401(K) Plan

EIN 46-0478749 • Lexington, MA • 34 filings • 3 plans

35 Hartwell AvenueLexington, MA 02421-3102
Current Snapshot

Latest Year

2025

2025 Participants

43

2025 Assets

$34,947,309

2025 Contributions

$763,086

Historical Graphs

Total Assets Over Time

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

$34,947,309$17,473,655$0200420152025YearValue
$34,947,309Latest year 2025

Participants Over Time

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

2641320200220142025YearValue
43Latest 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
2025143$34,947,309$763,086$17,746iApproximate average salary by contribution assumption: employee only about $443,655 at 4% or $295,770 at 6%; with 50% employer match about $295,770 at 4% or $197,180 at 6%; with 100% employer match about $221,827 at 4% or $147,885 at 6%.
Tiax LLC 401(K) Plan-43$34,947,309$763,086$17,746iApproximate average salary by contribution assumption: employee only about $443,655 at 4% or $295,770 at 6%; with 50% employer match about $295,770 at 4% or $197,180 at 6%; with 100% employer match about $221,827 at 4% or $147,885 at 6%.
2024154$31,304,630$945,174$17,503iApproximate average salary by contribution assumption: employee only about $437,581 at 4% or $291,720 at 6%; with 50% employer match about $291,720 at 4% or $194,480 at 6%; with 100% employer match about $218,790 at 4% or $145,860 at 6%.
Tiax LLC 401(K) Plan-54$31,304,630$945,174$17,503iApproximate average salary by contribution assumption: employee only about $437,581 at 4% or $291,720 at 6%; with 50% employer match about $291,720 at 4% or $194,480 at 6%; with 100% employer match about $218,790 at 4% or $145,860 at 6%.
2023154$29,502,695$2,036,800$37,719iApproximate average salary by contribution assumption: employee only about $942,963 at 4% or $628,642 at 6%; with 50% employer match about $628,642 at 4% or $419,095 at 6%; with 100% employer match about $471,481 at 4% or $314,321 at 6%.
Tiax LLC 401(K) Plan-54$29,502,695$2,036,800$37,719iApproximate average salary by contribution assumption: employee only about $942,963 at 4% or $628,642 at 6%; with 50% employer match about $628,642 at 4% or $419,095 at 6%; with 100% employer match about $471,481 at 4% or $314,321 at 6%.
2022157$22,240,577$2,477,255$43,461iApproximate average salary by contribution assumption: employee only about $1,086,515 at 4% or $724,344 at 6%; with 50% employer match about $724,344 at 4% or $482,896 at 6%; with 100% employer match about $543,258 at 4% or $362,172 at 6%.
Tiax LLC 401(K) Plan-57$22,240,577$2,477,255$43,461iApproximate average salary by contribution assumption: employee only about $1,086,515 at 4% or $724,344 at 6%; with 50% employer match about $724,344 at 4% or $482,896 at 6%; with 100% employer match about $543,258 at 4% or $362,172 at 6%.
2021161$27,535,305$1,202,294$19,710iApproximate average salary by contribution assumption: employee only about $492,743 at 4% or $328,496 at 6%; with 50% employer match about $328,496 at 4% or $218,997 at 6%; with 100% employer match about $246,372 at 4% or $164,248 at 6%.
Tiax LLC 401(K) Plan-61$27,535,305$1,202,294$19,710iApproximate average salary by contribution assumption: employee only about $492,743 at 4% or $328,496 at 6%; with 50% employer match about $328,496 at 4% or $218,997 at 6%; with 100% employer match about $246,372 at 4% or $164,248 at 6%.
2020177$23,111,576$1,116,667$14,502iApproximate average salary by contribution assumption: employee only about $362,554 at 4% or $241,703 at 6%; with 50% employer match about $241,703 at 4% or $161,135 at 6%; with 100% employer match about $181,277 at 4% or $120,851 at 6%.
Tiax LLC 401(K) Plan-77$23,111,576$1,116,667$14,502iApproximate average salary by contribution assumption: employee only about $362,554 at 4% or $241,703 at 6%; with 50% employer match about $241,703 at 4% or $161,135 at 6%; with 100% employer match about $181,277 at 4% or $120,851 at 6%.
2019174$17,512,829$1,061,785$14,348iApproximate average salary by contribution assumption: employee only about $358,711 at 4% or $239,141 at 6%; with 50% employer match about $239,141 at 4% or $159,427 at 6%; with 100% employer match about $179,356 at 4% or $119,570 at 6%.
Tiax LLC 401(K) Plan-74$17,512,829$1,061,785$14,348iApproximate average salary by contribution assumption: employee only about $358,711 at 4% or $239,141 at 6%; with 50% employer match about $239,141 at 4% or $159,427 at 6%; with 100% employer match about $179,356 at 4% or $119,570 at 6%.
2018175$14,749,850$899,538$11,994iApproximate average salary by contribution assumption: employee only about $299,846 at 4% or $199,897 at 6%; with 50% employer match about $199,897 at 4% or $133,265 at 6%; with 100% employer match about $149,923 at 4% or $99,949 at 6%.
Tiax LLC 401(K) Plan-75$14,749,850$899,538$11,994iApproximate average salary by contribution assumption: employee only about $299,846 at 4% or $199,897 at 6%; with 50% employer match about $199,897 at 4% or $133,265 at 6%; with 100% employer match about $149,923 at 4% or $99,949 at 6%.
2017172$16,748,738$909,631$12,634iApproximate average salary by contribution assumption: employee only about $315,844 at 4% or $210,563 at 6%; with 50% employer match about $210,563 at 4% or $140,375 at 6%; with 100% employer match about $157,922 at 4% or $105,281 at 6%.
Tiax LLC 401(K) Plan-72$16,748,738$909,631$12,634iApproximate average salary by contribution assumption: employee only about $315,844 at 4% or $210,563 at 6%; with 50% employer match about $210,563 at 4% or $140,375 at 6%; with 100% employer match about $157,922 at 4% or $105,281 at 6%.
2016166$13,863,539$684,764$10,375iApproximate average salary by contribution assumption: employee only about $259,380 at 4% or $172,920 at 6%; with 50% employer match about $172,920 at 4% or $115,280 at 6%; with 100% employer match about $129,690 at 4% or $86,460 at 6%.
Tiax LLC 401(K) Plan-66$13,863,539$684,764$10,375iApproximate average salary by contribution assumption: employee only about $259,380 at 4% or $172,920 at 6%; with 50% employer match about $172,920 at 4% or $115,280 at 6%; with 100% employer match about $129,690 at 4% or $86,460 at 6%.
2015172$14,288,184$1,044,445$14,506iApproximate average salary by contribution assumption: employee only about $362,655 at 4% or $241,770 at 6%; with 50% employer match about $241,770 at 4% or $161,180 at 6%; with 100% employer match about $181,327 at 4% or $120,885 at 6%.
Tiax LLC 401(K) Plan-72$14,288,184$1,044,445$14,506iApproximate average salary by contribution assumption: employee only about $362,655 at 4% or $241,770 at 6%; with 50% employer match about $241,770 at 4% or $161,180 at 6%; with 100% employer match about $181,327 at 4% or $120,885 at 6%.
2014179$15,533,100$811,050$10,266iApproximate average salary by contribution assumption: employee only about $256,661 at 4% or $171,108 at 6%; with 50% employer match about $171,108 at 4% or $114,072 at 6%; with 100% employer match about $128,331 at 4% or $85,554 at 6%.
Tiax LLC 401(K) Plan-79$15,533,100$811,050$10,266iApproximate average salary by contribution assumption: employee only about $256,661 at 4% or $171,108 at 6%; with 50% employer match about $171,108 at 4% or $114,072 at 6%; with 100% employer match about $128,331 at 4% or $85,554 at 6%.
2013283$14,631,880$904,269$10,895iApproximate average salary by contribution assumption: employee only about $272,370 at 4% or $181,580 at 6%; with 50% employer match about $181,580 at 4% or $121,053 at 6%; with 100% employer match about $136,185 at 4% or $90,790 at 6%.
Tiax LLC 401(K) Plan-83$14,631,880$904,269$10,895iApproximate average salary by contribution assumption: employee only about $272,370 at 4% or $181,580 at 6%; with 50% employer match about $181,580 at 4% or $121,053 at 6%; with 100% employer match about $136,185 at 4% or $90,790 at 6%.
Tiax LLC Consolidated Welfare Benefits Plan-82---
2012296$12,851,184$1,040,336$10,837iApproximate average salary by contribution assumption: employee only about $270,921 at 4% or $180,614 at 6%; with 50% employer match about $180,614 at 4% or $120,409 at 6%; with 100% employer match about $135,460 at 4% or $90,307 at 6%.
Tiax LLC 401(K) Plan-96$12,851,184$1,040,336$10,837iApproximate average salary by contribution assumption: employee only about $270,921 at 4% or $180,614 at 6%; with 50% employer match about $180,614 at 4% or $120,409 at 6%; with 100% employer match about $135,460 at 4% or $90,307 at 6%.
Tiax LLC Consolidated Welfare Benefits Plan-95---
20112102$11,417,099$988,908$9,695iApproximate average salary by contribution assumption: employee only about $242,379 at 4% or $161,586 at 6%; with 50% employer match about $161,586 at 4% or $107,724 at 6%; with 100% employer match about $121,190 at 4% or $80,793 at 6%.
Tiax LLC 401(K) Plan-102$11,417,099$988,908$9,695iApproximate average salary by contribution assumption: employee only about $242,379 at 4% or $161,586 at 6%; with 50% employer match about $161,586 at 4% or $107,724 at 6%; with 100% employer match about $121,190 at 4% or $80,793 at 6%.
Tiax LLC Consolidated Welfare Benefits Plan-101---
20102101$11,708,172$1,072,681$10,621iApproximate average salary by contribution assumption: employee only about $265,515 at 4% or $177,010 at 6%; with 50% employer match about $177,010 at 4% or $118,007 at 6%; with 100% employer match about $132,758 at 4% or $88,505 at 6%.
Tiax LLC 401(K) Plan-101$11,708,172$1,072,681$10,621iApproximate average salary by contribution assumption: employee only about $265,515 at 4% or $177,010 at 6%; with 50% employer match about $177,010 at 4% or $118,007 at 6%; with 100% employer match about $132,758 at 4% or $88,505 at 6%.
Tiax LLC Consolidated Welfare Benefits Plan-100---
20092116$10,012,057$1,097,836$9,464iApproximate average salary by contribution assumption: employee only about $236,603 at 4% or $157,735 at 6%; with 50% employer match about $157,735 at 4% or $105,157 at 6%; with 100% employer match about $118,301 at 4% or $78,868 at 6%.
Tiax LLC 401(K) Plan-116$10,012,057$1,097,836$9,464iApproximate average salary by contribution assumption: employee only about $236,603 at 4% or $157,735 at 6%; with 50% employer match about $157,735 at 4% or $105,157 at 6%; with 100% employer match about $118,301 at 4% or $78,868 at 6%.
Tiax LLC Consolidated Welfare Benefits Plan-112---
20082138$7,953,812$1,367,796$9,912iApproximate average salary by contribution assumption: employee only about $247,789 at 4% or $165,193 at 6%; with 50% employer match about $165,193 at 4% or $110,129 at 6%; with 100% employer match about $123,895 at 4% or $82,596 at 6%.
Tiax LLC 401(K) Plan-135$7,953,812$1,367,796$10,132iApproximate average salary by contribution assumption: employee only about $253,296 at 4% or $168,864 at 6%; with 50% employer match about $168,864 at 4% or $112,576 at 6%; with 100% employer match about $126,648 at 4% or $84,432 at 6%.
Tiax LLC Consolidated Welfare Benefits Plan-138---
20072160$11,986,382$1,572,738$9,830iApproximate average salary by contribution assumption: employee only about $245,740 at 4% or $163,827 at 6%; with 50% employer match about $163,827 at 4% or $109,218 at 6%; with 100% employer match about $122,870 at 4% or $81,913 at 6%.
Tiax LLC 401(K) Plan-160$11,986,382$1,572,738$9,830iApproximate average salary by contribution assumption: employee only about $245,740 at 4% or $163,827 at 6%; with 50% employer match about $163,827 at 4% or $109,218 at 6%; with 100% employer match about $122,870 at 4% or $81,913 at 6%.
Tiax LLC Consolidated Welfare Benefits Plan-158---
20062167$11,064,919$1,654,685$9,908iApproximate average salary by contribution assumption: employee only about $247,707 at 4% or $165,138 at 6%; with 50% employer match about $165,138 at 4% or $110,092 at 6%; with 100% employer match about $123,854 at 4% or $82,569 at 6%.
Tiax LLC 401(K) Plan-165$11,064,919$1,654,685$10,028iApproximate average salary by contribution assumption: employee only about $250,710 at 4% or $167,140 at 6%; with 50% employer match about $167,140 at 4% or $111,427 at 6%; with 100% employer match about $125,355 at 4% or $83,570 at 6%.
Tiax LLC Consolidated Welfare Benefits Plan-167---
20052196$8,893,488$2,166,509$11,054iApproximate average salary by contribution assumption: employee only about $276,340 at 4% or $184,227 at 6%; with 50% employer match about $184,227 at 4% or $122,818 at 6%; with 100% employer match about $138,170 at 4% or $92,113 at 6%.
Tiax LLC 401(K) Plan-196$8,893,488$2,166,509$11,054iApproximate average salary by contribution assumption: employee only about $276,340 at 4% or $184,227 at 6%; with 50% employer match about $184,227 at 4% or $122,818 at 6%; with 100% employer match about $138,170 at 4% or $92,113 at 6%.
Tiax LLC Consolidated Welfare Benefits Plan-189---
20042201$6,485,276$2,142,454$10,659iApproximate average salary by contribution assumption: employee only about $266,474 at 4% or $177,650 at 6%; with 50% employer match about $177,650 at 4% or $118,433 at 6%; with 100% employer match about $133,237 at 4% or $88,825 at 6%.
Tiax LLC 401(K) Plan-198$6,485,276$2,142,454$10,820iApproximate average salary by contribution assumption: employee only about $270,512 at 4% or $180,341 at 6%; with 50% employer match about $180,341 at 4% or $120,227 at 6%; with 100% employer match about $135,256 at 4% or $90,171 at 6%.
Tiax LLC Consolidated Welfare Benefits Plan-201---
20031238$0$0-
Tiax LLC Consolidated Welfare Benefits Plan-238---
20021264$0$0-
Tiax LLC Consolidated Welfare Benefits Plan-264---