401(k) · DOL Form 5500 · 2024

Open Systems International, Inc. 401(k) Plan

Data updated 2026-08-25

$75M
Total assets Below avg plan size
801
Participants Near avg headcount
88th
Percentile by assets National rank
$93,154
Avg per participant Below avg balance/head
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Official DOL plan name: Open Systems International 401(k) Plan · Sponsored by Open Systems International, Inc. · Massachusetts · Professional & Technical Services

$75M in assets, 801 participants

Open Systems International, Inc.'s Open Systems International 401(k) Plan reported $75M in total assets and 801 participants in its 2024 DOL Form 5500 filing, ranking in the 88th percentile by assets among filed plans. Figures are as reported by the plan sponsor to the Department of Labor, not audited or endorsed by PlainRetire.

  • #17,997 in Professional & Technical Services (20,173 peers)

Where Open Systems International 401(k) Plan sits by assets

Open Systems International 401(k) Plan sits in the top quartile of all filed plans by assets, $75M for 801 participants (~$93,154/participant), down 11.7% in 2024.

#17,997
in Professional & Technical Services (20,173 peers)
-11.7%
assets change YoY
0.7×
vs typical plan assets (national mean)

The plan reported a net loss of $10M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

Open Systems International 401(k) Plan's outsized position by total assets

Open Systems International 401(k) Plan vs every filed plan by assets

End-of-year total assets · plan year 2024 · DOL Form 5500

$74,616,660 Top 12% higher than 88% of 123,620 filed plans

This plan $0 $2,050,000,000 every filed plan with reported assets, bucketed by value

Dashed line + filled bar = this entry, among filed plans.

Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2024

Open Systems International 401(k) Plan among mid-size filed plans by headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Open Systems International 401(k) Plan sits mid-pack in the medium band (801 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2024

  • Open Systems International 401(k) Plan reported net income fell from $7M in the plan year 2022 filing to -$10M in the plan year 2024 filing.
  • Open Systems International 401(k) Plan reported participants rose from 778 in the plan year 2022 filing to 801 in the plan year 2024 filing.

See the national 2022→2024 release diff →

DOL schedule card

Filing strip 411722211 · Open Systems International, Inc. PY 2024 · 401(k)

Open Systems International 401(k) Plan · $75M · 801 · 88th

  • EOY $75M
  • 5500 801
  • ASSETS 88th
  • PCT 401(k)
  • EIN near Rapid City Medical Center 401(k) Plan
  • RANK ind #17997

Stamps derive from this plan's Form 5500 line items (assets, participants, type, EIN, cohort placement) - not a quality rating of the sponsor. Read with Professional & Technical Services retirement plans → · Plans in Massachusetts →

Open Systems International 401(k) Plan in the asset neighbourhood

Warby Parker Retirement Savings PlanWarby Parker Retirement Savi…$75MOptimizely 401(k) Profit Sharing Plan & TrustOptimizely 401(k) Profit Sha…$75MOpen Systems International 401(k) PlanOpen Systems International 4…$75MRapid City Medical Center 401(k) PlanRapid City Medical Center 40…$75MPema 401(k) Plan$75M
End-of-year total assets ($M) among Open Systems International 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Scale-class filing particulars (2024)

Total Assets (Beginning of Year)$84M
Net Assets (End of Year)$75M
Net Income-$10M
Employer EIN411722211
Plan Effective Date1994-07-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Open Systems International, Inc.)

Sponsor-wide plan assets over time

All Open Systems International, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$75M
2024 filing year
$0M$50M$100M 20222024 $0M $74.6M ▲ +0.0%
Year Plans Participants Total Assets
2022 1 778 N/A
2024 1 801 $75M

Nearby 401(k) Plans in Massachusetts

Peer 401(k) plans, same state, same plan type, ranked by total assets.

Open Systems International 401(k) Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000 -10010203040 Total assets ($B) Participants Open Systems International 401(k) Plan, Total assets ($B): 0.07461666 · Participants: 801Open Systems International 401(k) PlanFidelity Retirement Savings Plan, Total assets ($B): 34.201609937 · Participants: 66907Fidelity Retirement Savings PlanLiberty Mutual 401(k) Plan, Total assets ($B): 11.352606499 · Participants: 34618Liberty Mutual 401(k) PlanMassachusetts Institute of Technology Supplemental 401(k) Plan, Total assets ($B): 7.720373045 · Participants: 14762Massachusetts Institute of Technology Supplemental 401(k) PlanBoston Scientific Corporation 401(k) Retirement Savings Plan, Total assets ($B): 6.775289067 · Participants: 20639Boston Scientific Corporation 401(k) Retirement Savings PlanState Street Salary Savings Program, Total assets ($B): 6.532301643 · Participants: 12777State Street Salary Savings Program
Open Systems International 401(k) Plan vs. nearby 401(k) plans in Massachusetts, assets vs. participants
Compare Open Systems International 401(k) Plan side-by-side with 3 peers →

Open Systems International 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Massachusetts, the nearest 401(k) by assets is Rapid City Medical Center 401(k) Plan in SD ($75M); by covered participants it is Brown Advisory 401(k) Plan in MD (801 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($75M here).

Similar participant headcount

Nearest other-state filings by covered participants (801 participants); asset peers above are excluded.

DOL Form 5500 plan year 2024. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Open Systems International 401(k) Plan assets move in 2024? ▼
Open Systems International 401(k) Plan pulled back noticeably - down 11.7% during 2024, from $84M to $75M. Reported net income was -$10M.
Where does Open Systems International 401(k) Plan rank by assets among Form 5500 filers? ▼
Open Systems International 401(k) Plan ranks in the 88th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (in the top quartile of all filed plans by assets).
Which 401(k) plans are similar in size to Open Systems International 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Rapid City Medical Center 401(k) Plan in SD ($75M, 467 participants).
Which 401(k) plans cover a similar participant headcount to Open Systems International 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Brown Advisory 401(k) Plan in MD (801 participants, $276M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2024.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 411722211.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from U.S. Department of Labor Form 5500 filings (EBSA). See our methodology for details.