Civic Intelligence

Portal Instruments

Plan context: Portal Instruments Inc. 401 K Profit Sharing Plan Trust

EIN 46-1313514 • Cambridge, MA • 12 filings • 5 plans

190 5th StreetCambridge, MA 02141
Current Snapshot

Latest Year

2025

2025 Participants

38

2025 Assets

$3,626,610

2025 Contributions

$159,391

Historical Graphs

Total Assets Over Time

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

$3,626,610$1,813,305$0201420202025YearValue
$3,626,610Latest year 2025

Participants Over Time

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

49250201420202025YearValue
38Latest 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
2025138$3,626,610$159,391$4,195iApproximate average salary by contribution assumption: employee only about $104,863 at 4% or $69,908 at 6%; with 50% employer match about $69,908 at 4% or $46,606 at 6%; with 100% employer match about $52,431 at 4% or $34,954 at 6%.
Portal Instruments Inc. 401 K Profit Sharing Plan Trust-38$3,626,610$159,391$4,195iApproximate average salary by contribution assumption: employee only about $104,863 at 4% or $69,908 at 6%; with 50% employer match about $69,908 at 4% or $46,606 at 6%; with 100% employer match about $52,431 at 4% or $34,954 at 6%.
2024143$3,336,562$339,351$7,892iApproximate average salary by contribution assumption: employee only about $197,297 at 4% or $131,531 at 6%; with 50% employer match about $131,531 at 4% or $87,688 at 6%; with 100% employer match about $98,649 at 4% or $65,766 at 6%.
Portal Instruments Inc. 401 K Profit Sharing Plan Trust-43$3,336,562$339,351$7,892iApproximate average salary by contribution assumption: employee only about $197,297 at 4% or $131,531 at 6%; with 50% employer match about $131,531 at 4% or $87,688 at 6%; with 100% employer match about $98,649 at 4% or $65,766 at 6%.
2023143$2,867,338$362,877$8,439iApproximate average salary by contribution assumption: employee only about $210,975 at 4% or $140,650 at 6%; with 50% employer match about $140,650 at 4% or $93,767 at 6%; with 100% employer match about $105,488 at 4% or $70,325 at 6%.
Portal Instruments Inc. 401 K Profit Sharing Plan Trust-43$2,867,338$362,877$8,439iApproximate average salary by contribution assumption: employee only about $210,975 at 4% or $140,650 at 6%; with 50% employer match about $140,650 at 4% or $93,767 at 6%; with 100% employer match about $105,488 at 4% or $70,325 at 6%.
2022149$2,269,542$505,163$10,309iApproximate average salary by contribution assumption: employee only about $257,736 at 4% or $171,824 at 6%; with 50% employer match about $171,824 at 4% or $114,549 at 6%; with 100% employer match about $128,868 at 4% or $85,912 at 6%.
Portal Instruments Inc. 401 K Profit Sharing Plan Trust-49$2,269,542$505,163$10,309iApproximate average salary by contribution assumption: employee only about $257,736 at 4% or $171,824 at 6%; with 50% employer match about $171,824 at 4% or $114,549 at 6%; with 100% employer match about $128,868 at 4% or $85,912 at 6%.
2021144$2,711,094$465,886$10,588iApproximate average salary by contribution assumption: employee only about $264,708 at 4% or $176,472 at 6%; with 50% employer match about $176,472 at 4% or $117,648 at 6%; with 100% employer match about $132,354 at 4% or $88,236 at 6%.
Portal Instruments Inc. 401 K Profit Sharing Plan Trust-44$2,711,094$465,886$10,588iApproximate average salary by contribution assumption: employee only about $264,708 at 4% or $176,472 at 6%; with 50% employer match about $176,472 at 4% or $117,648 at 6%; with 100% employer match about $132,354 at 4% or $88,236 at 6%.
2020136$1,890,961$507,478$14,097iApproximate average salary by contribution assumption: employee only about $352,415 at 4% or $234,944 at 6%; with 50% employer match about $234,944 at 4% or $156,629 at 6%; with 100% employer match about $176,208 at 4% or $117,472 at 6%.
Portal Instruments Inc. 401 K Profit Sharing Plan Trust-36$1,890,961$507,478$14,097iApproximate average salary by contribution assumption: employee only about $352,415 at 4% or $234,944 at 6%; with 50% employer match about $234,944 at 4% or $156,629 at 6%; with 100% employer match about $176,208 at 4% or $117,472 at 6%.
2019129$1,367,821$331,438$11,429iApproximate average salary by contribution assumption: employee only about $285,722 at 4% or $190,482 at 6%; with 50% employer match about $190,482 at 4% or $126,988 at 6%; with 100% employer match about $142,861 at 4% or $95,241 at 6%.
Portal Instruments Inc. 401 K Profit Sharing Plan Trust-29$1,367,821$331,438$11,429iApproximate average salary by contribution assumption: employee only about $285,722 at 4% or $190,482 at 6%; with 50% employer match about $190,482 at 4% or $126,988 at 6%; with 100% employer match about $142,861 at 4% or $95,241 at 6%.
2018127$843,179$319,790$11,844iApproximate average salary by contribution assumption: employee only about $296,102 at 4% or $197,401 at 6%; with 50% employer match about $197,401 at 4% or $131,601 at 6%; with 100% employer match about $148,051 at 4% or $98,701 at 6%.
Portal Instruments Inc. 401 K Profit Sharing Plan Trust-27$843,179$319,790$11,844iApproximate average salary by contribution assumption: employee only about $296,102 at 4% or $197,401 at 6%; with 50% employer match about $197,401 at 4% or $131,601 at 6%; with 100% employer match about $148,051 at 4% or $98,701 at 6%.
2017122$695,893$283,259$12,875iApproximate average salary by contribution assumption: employee only about $321,885 at 4% or $214,590 at 6%; with 50% employer match about $214,590 at 4% or $143,060 at 6%; with 100% employer match about $160,943 at 4% or $107,295 at 6%.
Portal Instruments Inc. 401 K Profit Sharing Plan Trust-22$695,893$283,259$12,875iApproximate average salary by contribution assumption: employee only about $321,885 at 4% or $214,590 at 6%; with 50% employer match about $214,590 at 4% or $143,060 at 6%; with 100% employer match about $160,943 at 4% or $107,295 at 6%.
2016117$390,398$178,863$10,521iApproximate average salary by contribution assumption: employee only about $263,034 at 4% or $175,356 at 6%; with 50% employer match about $175,356 at 4% or $116,904 at 6%; with 100% employer match about $131,517 at 4% or $87,678 at 6%.
Portal Instruments Inc. 401 K Profit Sharing Plan Trust-17$390,398$178,863$10,521iApproximate average salary by contribution assumption: employee only about $263,034 at 4% or $175,356 at 6%; with 50% employer match about $175,356 at 4% or $116,904 at 6%; with 100% employer match about $131,517 at 4% or $87,678 at 6%.
2015111$183,449$112,765$10,251iApproximate average salary by contribution assumption: employee only about $256,284 at 4% or $170,856 at 6%; with 50% employer match about $170,856 at 4% or $113,904 at 6%; with 100% employer match about $128,142 at 4% or $85,428 at 6%.
Portal Instruments Inc. 401 K Profit Sharing Plan Trust-11$183,449$112,765$10,251iApproximate average salary by contribution assumption: employee only about $256,284 at 4% or $170,856 at 6%; with 50% employer match about $170,856 at 4% or $113,904 at 6%; with 100% employer match about $128,142 at 4% or $85,428 at 6%.
201417$71,469$69,249$9,893iApproximate average salary by contribution assumption: employee only about $247,318 at 4% or $164,879 at 6%; with 50% employer match about $164,879 at 4% or $109,919 at 6%; with 100% employer match about $123,659 at 4% or $82,439 at 6%.
Portal Instruments Inc. 401 K Profit Sharing Plan Trust-7$71,469$69,249$9,893iApproximate average salary by contribution assumption: employee only about $247,318 at 4% or $164,879 at 6%; with 50% employer match about $164,879 at 4% or $109,919 at 6%; with 100% employer match about $123,659 at 4% or $82,439 at 6%.