PlanOptica

Filings through .

1st Source Bank

Matched across 5 name variants in the filings

1st Source Bank summary

1st Source Bank appears on 19 retirement plans in Form 5500 Schedule C filings through plan year 2024. Those plans hold $1.2B in assets for 5,560 participants. The median client plan holds $13.1M. Most client plans are sponsored in IN, MI and MN. The largest clients by plan assets are Rieth-Riley Construction Co., Inc., Malco Tools, Inc. and Mno-Bmadsen. Plans reported $910K in direct and indirect compensation paid to 1st Source Bank. The median is $43K per plan.

Participants
5,560
Median plan assets
$13.1M
Median plan participants
239
Median fees per plan
$43K
Schedule C direct + indirect

Top 19 client plans by assets

Latest Form 5500 filing per plan through 2024

Top client states

  • IN16 plans
  • MI2 plans
  • MN1 plan

Frequently asked questions

Who uses 1st Source Bank?
19 retirement plans list 1st Source Bank as a service provider on Schedule C of Form 5500. The largest clients by plan assets include Rieth-Riley Construction Co., Inc., Malco Tools, Inc., Mno-Bmadsen, Indiana Industrial Services, LLC and Accurate Castings, Inc.. Most client plans are sponsored in IN, MI and MN.
How many plans does 1st Source Bank serve?
1st Source Bank serves 19 retirement plans with $1.2B in plan assets and 5,560 participants, based on the latest Form 5500 filings through 2024.
What does 1st Source Bank charge?
Plans reported $910K in total Schedule C compensation paid to 1st Source Bank. The median plan paid $43K. Fees vary with plan size and the services each plan buys.

Analytics

Market position · 2024

Plans served19-3 YoYRank #856 of mapped providers
Assets under administration$1.2B0.0%Rank #4758 by share of filed assets
Fees received$910,109Median $42,596/planSum across Schedule C direct + indirect
Net wins YoY-41 won - 5 lostPlan-level switch detection

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  • 5-year plans-served trajectory
  • Customer-base shape
  • Median fees per service
  • Competitor overlap
  • Plans won and lost
  • Top plans by assets

Fund lineups on plans this firm keeps

Large plans that name 1st Source Bank as recordkeeper and list their funds in their filing.

Plans
14
$278M in funds
In collective trusts
1%
average plan
In 1st Source Bank funds
0%
average plan
In index funds
20%
average plan

Top managers in these lineups

Covers 71,410 large plans that list their funds in their annual filing. Updated Nov 6, 2026. Shares describe these plans, not the whole market.