401(k) · DOL Form 5500 · 2023

Quantum-Si Incorporated 401(k) Plan

Data updated 2026-08-25

$11M
Total assets Small plan by assets
199
Participants Below avg headcount
60th
Percentile by assets National rank
$53,517
Avg per participant Low balance/head
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Official DOL plan name: Quantum-Si Incorporated 401(k) Plan · Sponsored by Quantum-Si Incorporated · Connecticut · Professional & Technical Services

$11M in assets, 199 participants

Quantum-Si Incorporated's Quantum-Si Incorporated 401(k) Plan reported $11M in total assets and 199 participants in its 2023 DOL Form 5500 filing, ranking in the 60th 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.

  • #11,941 in Professional & Technical Services (20,321 peers)

Coverage in Connecticut

Quantum-Si Incorporated 401(k) Plan covers 199 participants in Connecticut, about 28% of the average Connecticut filer (state average ~718 per filing). Assets: $11M.

#11,941
in Professional & Technical Services (20,321 peers)
+43.9%
assets growth YoY

Quantum-Si Incorporated 401(k) Plan's mid-pack asset rank among Professional & Technical Services and all filers

Quantum-Si Incorporated 401(k) Plan vs every filed plan by assets

End-of-year total assets · plan year 2023 · DOL Form 5500

$10,649,884 Top 40% higher than 60% of 127,068 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 2023

Quantum-Si Incorporated 401(k) Plan among mid-size filed plans by headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Quantum-Si Incorporated 401(k) Plan sits mid-pack in the medium band (199 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Quantum-Si Incorporated 401(k) Plan reported net income rose from $1M in the plan year 2022 filing to $3M in the plan year 2023 filing.
  • Quantum-Si Incorporated 401(k) Plan end-of-year assets rose from $7M in the plan year 2022 filing to $11M in the plan year 2023 filing.
  • Quantum-Si Incorporated 401(k) Plan reported participants rose from 153 in the plan year 2022 filing to 199 in the plan year 2023 filing.

See the national 2022→2023 release diff →

DOL schedule card

Filing strip 463109268 · Quantum-Si Incorporated PY 2023 · 401(k)

Quantum-Si Incorporated 401(k) Plan · $11M · 199 · 60th

  • EBSA $11M
  • EBSA 199
  • EBSA 60th
  • EBSA 401(k)
  • EBSA near Program Planning Professionals, Inc. 401(k)
  • EBSA ind #11941

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 Connecticut →

Quantum-Si Incorporated 401(k) Plan in the asset neighbourhood

Quantum-Si Incorporated 401(k) PlanQuantum-Si Incorporated 401(…$11MProgram Planning Professionals, Inc. 401(k)Program Planning Professiona…$11MEngineered Profiles 401(k) PlanEngineered Profiles 401(k) P…$11MRiedell Shoes, Inc. 401(k) PlanRiedell Shoes, Inc. 401(k) P…$11MTalentburst, Inc. 401(k) Plan$11M
End-of-year total assets ($M) among Quantum-Si Incorporated 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Connecticut filing particulars

Total Assets (Beginning of Year)$7M
Net Assets (End of Year)$11M
Net Income$3M
Employer EIN463109268
Plan Effective Date2022-01-12
Filing StatusFILING RECEIVED

Sponsor Plan History (Quantum-Si Incorporated)

Sponsor-wide plan assets over time

All Quantum-Si Incorporated plans reported in each filing year

Latest sponsor-wide plan assets
$13M 76.71271825065692% vs 2022
2024 filing year
$6M$8M$10M$12M$14M 202220232024 $7.4M $13.1M ▲ +76.8%
Year Plans Participants Total Assets
2022 1 153 $7M
2023 1 199 $11M
2024 1 161 $13M

Nearby 401(k) Plans in Connecticut

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

Quantum-Si Incorporated 401(k) Plan vs. nearby 401(k) plans in Connecticut, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000 -200204060 Total assets ($B) Participants Quantum-Si Incorporated 401(k) Plan, Total assets ($B): 0.010649884 · Participants: 199Quantum-Si Incorporated 401(k) PlanRtx Savings Plan, Total assets ($B): 52.759784 · Participants: 123037Rtx Savings PlanCiti Retirement Savings Plan, Total assets ($B): 20.653030659 · Participants: 77865Citi Retirement Savings PlanThe Hartford Investment and Savings Plan, Total assets ($B): 6.478512 · Participants: 18377The Hartford Investment and Savings PlanXerox Corporation Savings Plan, Total assets ($B): 3.948866 · Participants: 10291Xerox Corporation Savings PlanEversource 401(k) Plan, Total assets ($B): 3.751712453 · Participants: 9504Eversource 401(k) Plan
Quantum-Si Incorporated 401(k) Plan vs. nearby 401(k) plans in Connecticut, assets vs. participants
Compare Quantum-Si Incorporated 401(k) Plan side-by-side with 3 peers →

Quantum-Si Incorporated 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Connecticut, the nearest 401(k) by assets is Program Planning Professionals, Inc. 401(k) in MI ($11M); by covered participants it is Una's Nonprofit Retirement Solution in UT (199 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($11M here).

Similar participant headcount

Nearest other-state filings by covered participants (199 participants); asset peers above are excluded.

DOL Form 5500 plan year 2023. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Quantum-Si Incorporated 401(k) Plan assets move in 2023? ▼
Quantum-Si Incorporated 401(k) Plan surged - up 43.9% during 2023, from $7M to $11M. Reported net income was $3M.
How have Quantum-Si Incorporated plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Quantum-Si Incorporated's sponsor-wide assets grew 76.7%, from $7M to $13M.
Which 401(k) plans are similar in size to Quantum-Si Incorporated 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Program Planning Professionals, Inc. 401(k) in MI ($11M, 199 participants).
Which 401(k) plans cover a similar participant headcount to Quantum-Si Incorporated 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Una's Nonprofit Retirement Solution in UT (199 participants, $987K in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2023.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 463109268.

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.