# Simpson Thacher & Bartlett Senior Staff Cash Balance Plan

Simpson Thacher & Bartlett Senior Staff Cash Balance Plan is a Pension Fund based in New York, United States.

## Overview

- **Organization type:** Pension Fund
- **Headquarters:** New York, United States
- **Region:** North America
- **Address:** New York, NY, United States
- **Assets under management:** $170M (Altss estimate)

## Regulatory record

- **Reports private funds:** No

## About

The Simpson Thacher & Bartlett Senior Staff Cash Balance Plan is the internal retirement vehicle maintained by the firm for its senior, non-partner personnel. Unlike a traditional multi-employer plan, this is a captive defined-benefit hybrid where the firm acts as plan sponsor with all investment risk retained internally, giving leadership full discretion over asset allocation. The plan's asset pool is modest by institutional standards, but its positioning inside a top-tier global law firm creates an unusual alignment: the plan's fiduciaries sit feet from the partnership that counsels the world's largest private equity sponsors on fund formation, regulatory compliance, and portfolio company transactions. The plan's investment strategy is concentrated overwhelmingly in private equity buyout funds, a posture that mirrors the asset class that dominates Simpson Thacher's corporate practice. Given the firm's deep relationships with sponsors including Blackstone, KKR, and Silver Lake — all of whom have been longstanding Simpson Thacher clients — the plan operates in an information environment few pension funds of its size can replicate. Geographic exposure is predominantly North American, consistent with the footprint of the firm's primary sponsor clients and its own offices in New York, Palo Alto, Houston, and Washington. The plan is small in scale, with an estimated $170M in assets under management (Altss estimate). It does not maintain dedicated investment staff of its own and is overseen by an internal benefits committee composed of firm partners and senior administrators. The plan's operational cadence — commitment pacing, rebalancing, liquidity management — is shaped by the retirement-liability profile of the senior staff participant base rather than external fundraising cycles. No separate investment subsidiary, philanthropic foundation, or external co-investment vehicle is publicly associated with the plan. The plan's structural differentiator is its embeddedness within a law firm that sits at the center of the institutional private equity ecosystem. While most corporate pension plans invest at arm's length through consultants and fund-of-funds platforms, this plan's fiduciaries share a hallway with the attorneys who negotiate the limited partnership agreements, side letters, and fund terms for the very sponsors whose funds the plan may evaluate. That proximity creates a governance challenge — manager selection must navigate potential conflicts between the firm's client relationships and the plan's fiduciary obligations under ERISA — but it also provides an informational advantage unavailable to external allocators of comparable size.

## Sectors

- Buyout

## Questions

### How is this plan different from Simpson Thacher's 401(k)?

The Senior Staff Cash Balance Plan is a defined-benefit pension, promising a fixed retirement payout based on salary and tenure, with investment risk borne by the firm. Simpson Thacher's 401(k) is a defined-contribution plan where participants choose from a menu of public mutual funds and bear their own investment results. The cash balance plan's Altss-estimated $170M is substantially smaller than the aggregate assets in the firm's 401(k) pool.

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Last updated: 2026-08-11T02:43:31.692Z

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