401(k) · DOL Form 5500 · 2024

Stemline Therapeutics, Inc. 401(k) Plan

Data updated 2026-08-25

$37M
Total assets Below avg plan size
342
Participants Below avg headcount
80th
Percentile by assets National rank
$107,597
Avg per participant Below avg balance/head
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Official DOL plan name: Stemline Therapeutics, Inc. 401(k) Plan · Sponsored by Stemline Therapeutics, Inc. · New York · Professional & Technical Services

$37M in assets, 342 participants

Stemline Therapeutics, Inc.'s Stemline Therapeutics, Inc. 401(k) Plan reported $37M in total assets and 342 participants in its 2024 DOL Form 5500 filing, ranking in the 80th 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.

  • #16,279 in Professional & Technical Services (20,173 peers)

Coverage in New York

Stemline Therapeutics, Inc. 401(k) Plan covers 342 participants in New York, about 43% of the average New York filer (state average ~798 per filing). Assets: $37M.

#16,279
in Professional & Technical Services (20,173 peers)
+56.3%
assets growth YoY
0.4×
vs typical plan assets (national mean)

Stemline Therapeutics, Inc. 401(k) Plan's outsized position by total assets

Stemline Therapeutics, Inc. 401(k) Plan vs every filed plan by assets

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

$36,798,216 Top 20% higher than 80% 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

Stemline Therapeutics, Inc. 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. Stemline Therapeutics, Inc. 401(k) Plan sits mid-pack in the medium band (342 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Stemline Therapeutics, Inc. 401(k) Plan end-of-year assets rose from $24M in the plan year 2023 filing to $37M in the plan year 2024 filing.
  • Stemline Therapeutics, Inc. 401(k) Plan reported participants rose from 237 in the plan year 2023 filing to 342 in the plan year 2024 filing.
  • Stemline Therapeutics, Inc. 401(k) Plan reported net income rose from $12M in the plan year 2023 filing to $13M in the plan year 2024 filing.

See the national 2023→2024 release diff →

Published 5500 schedule card

Filing strip 450522567 · Stemline Therapeutics, Inc. PY 2024 · 401(k)

Stemline Therapeutics, Inc. 401(k) Plan · $37M · 342 · 80th

  • PCT $37M
  • PCT 342
  • PCT 80th
  • PCT 401(k)
  • PCT near Mack Industries, Inc. 401(k) Profit Sharing Plan
  • PCT ind #16279

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 New York →

Stemline Therapeutics, Inc. 401(k) Plan in the asset neighbourhood

Fullstory, Inc. 401(k) Plan$37MStemline Therapeutics, Inc. 401(k) PlanStemline Therapeutics, Inc. …$37MMack Industries, Inc. 401(k) Profit Sharing PlanMack Industries, Inc. 401(k)…$37MElectro-Matic Ventures, Inc., Profit Sharing & 401(k) PlanElectro-Matic Ventures, Inc.…$37MPer Mar Security and Research Corp. 401(k) PlanPer Mar Security and Researc…$37M
End-of-year total assets ($M) among Stemline Therapeutics, Inc. 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

New York filing particulars

Total Assets (Beginning of Year)$24M
Net Assets (End of Year)$37M
Net Income$13M
Employer EIN450522567
Plan Effective Date2021-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Stemline Therapeutics, Inc.)

Sponsor-wide plan assets over time

All Stemline Therapeutics, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$37M 207.10811146895765% vs 2022
2024 filing year
$0M$10M$20M$30M$40M 202220232024 $12M $36.8M ▲ +207.2%
Year Plans Participants Total Assets
2022 1 133 $12M
2023 1 237 $24M
2024 1 342 $37M

Nearby 401(k) Plans in New York

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

Stemline Therapeutics, Inc. 401(k) Plan vs. nearby 401(k) plans in New York, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000 -20020406080 Total assets ($B) Participants Stemline Therapeutics, Inc. 401(k) Plan, Total assets ($B): 0.036798216 · Participants: 342Stemline Therapeutics, Inc. 401(k) PlanIBM 401(k) Plan, Total assets ($B): 60.39355615 · Participants: 52674IBM 401(k) PlanMorgan Stanley 401(k) Plan, Total assets ($B): 22.180692974 · Participants: 53860Morgan Stanley 401(k) PlanPfizer Savings Plan, Total assets ($B): 21.9871528 · Participants: 33309Pfizer Savings PlanThe Pepsico Savings Plan, Total assets ($B): 14.9369507 · Participants: 137398The Pepsico Savings PlanThe Goldman Sachs 401(k) Plan, Total assets ($B): 12.807939404 · Participants: 23227The Goldman Sachs 401(k) Plan
Stemline Therapeutics, Inc. 401(k) Plan vs. nearby 401(k) plans in New York, assets vs. participants
Compare Stemline Therapeutics, Inc. 401(k) Plan side-by-side with 3 peers →

Stemline Therapeutics, Inc. 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside New York, the nearest 401(k) by assets is Mack Industries, Inc. 401(k) Profit Sharing Plan in OH ($37M); by covered participants it is C. Stein, Inc. Retirement Plan in WA (342 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (342 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 Stemline Therapeutics, Inc. 401(k) Plan assets move in 2024? ▼
Stemline Therapeutics, Inc. 401(k) Plan surged - up 56.3% during 2024, from $24M to $37M. Reported net income was $13M.
How have Stemline Therapeutics, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Stemline Therapeutics, Inc.'s sponsor-wide assets grew 207.1%, from $12M to $37M.
Where does Stemline Therapeutics, Inc. 401(k) Plan rank by assets among Form 5500 filers? ▼
Stemline Therapeutics, Inc. 401(k) Plan ranks in the 80th 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 Stemline Therapeutics, Inc. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Mack Industries, Inc. 401(k) Profit Sharing Plan in OH ($37M, 597 participants).
Which 401(k) plans cover a similar participant headcount to Stemline Therapeutics, Inc. 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is C. Stein, Inc. Retirement Plan in WA (342 participants, N/A 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 450522567.

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.