HIGHBuilt-inProduct / Revenue mix
71%
personal lines
“10-K Item 1: 'personal lines comprising 71% of the 2025 direct and affiliated assumed written premiums and commercial lines comprising the remaining 29%'”
ERIE · Concentration risk · 10-K extracted
Erie Indemnity (ERIE) concentration risks
Updated
The most significant concentration Erie Indemnity discloses is personal lines at 71%, classified HIGH by disclosed size. Below: the full set from the latest 10-K — verbatim quotes, filing references, and a synthesis of what these exposures mean together.
Model-generated analysis — not investment advice. Not a registered investment advisor. Past performance does not guarantee future results.
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Source: Erie Indemnity’s SEC Form 10-K filed — view the filing on SEC EDGAR ↗
At a glance
Disclosed-size breakdown · 2 disclosed concentrations
HIGH2
MEDIUM0
LOW0
Disclosed concentrations
Each card carries a disclosed-size chip (HIGH / MEDIUM / LOW — how large the exposure is as a share of revenue, not how dangerous it is) and a nature tag: Built-in(the company’s own model, geography, or products) or Outside party (an external customer, supplier, or distributor it relies on).
HIGHBuilt-in & outside partyCustomer
Erie Insurance Exchange
“10-K Item 1: 'the Exchange is our sole customer. Our earnings are largely generated from management fees based on the direct and affiliated assumed premiums written by the Exchange.'”
TrendMatrix Research · concentration synthesis
What these concentrations mean together
updated 2026-06-24The company's concentration profile is defined by two high-share exposures that together describe a structurally unusual business model. The most distinctive feature is customer concentration: the Erie Insurance Exchange is the company's sole customer, and earnings are largely generated from management fees based on the Exchange's direct and affiliated assumed premiums written. This is a mixed exposure — structural in that the company was established specifically to manage the Exchange, making the relationship essentially permanent by design, and dependency in that the company's entire revenue base is tied to the financial health and growth of a single client. Any deterioration in the Exchange's written premium volume or a restructuring of the management fee arrangement would directly affect results. Layered on top is a product mix concentration: personal lines comprised 71% of the Exchange's 2025 direct and affiliated assumed written premiums, with commercial lines comprising the remaining 29%. This is a high-share structural tilt toward personal auto and homeowners insurance lines, which carry higher natural catastrophe and frequency-driven loss exposure than commercial lines. The two exposures are inseparable: because the sole customer is the Exchange, the product mix of that customer directly determines what risks the company's fee income is exposed to. Monitoring the Exchange's combined ratio trends, premium growth, and any changes to the management fee structure are the most important variables in the disclosed concentration profile.
For the engine’s reasoning on ERIE’s current verdict — including which dimensions drove the score — see the per-dimension breakdown.
Industry peers · Insurance Brokers
Peer concentration profile
| Symbol | Name | HIGH | MEDIUM | LOW | Total |
|---|---|---|---|---|---|
| ERIE● | Erie Indemnity Company | 2 | 0 | 0 | 2 |
| ARX | Accelerant Holdings | 0 | 2 | 0 | 2 |
| BWIN | The Baldwin Insurance Group, In | 0 | 1 | 1 | 2 |
| BRO | Brown & Brown, Inc. | 0 | 0 | 1 | 1 |
| AJG | Arthur J. Gallagher & Co. | 0 | 0 | 0 | 0 |
| AON | Aon plc | 0 | 0 | 0 | 0 |
Concentration counts reflect items disclosed in each peer’s most recent 10-K; disclosed-size classification uses TrendMatrix’s internal 10-K extraction taxonomy.