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MPM BIOIMPACT
Legal name: MPM ASSET MANAGEMENT LLC
CRD 148467File 801-106989
APPROVED
Custody
Filing as of Apr 28, 2026
Feed vintage Oct 1, 2026
Regulatory AUM
$3.56B
Top 25% of cohort (national)
Discretionary AUM
$3.56B
Clients
23
23 accounts
Employees
50
Above cohort median in MA
Identity & registration
ADV Item 1- Organization form
- Limited Liability Company
- Firm type
- Registered
- SEC region
- BRO
- Registration date
- Jan 4, 2016
- Principal office
- 399 BOYLSTON STREET, SUITE 1100, BOSTON, MA, 02116
- Phone
- 617-425-9200
- Website
- HTTP://WWW.MPMBioImpact.COM
Assets & accounts
ADV Item 5F- Total regulatory AUM
- $3.56B
- Discretionary AUM
- $3.56B
- Non-discretionary AUM
- $0
- Discretionary accounts
- 23
- Non-discretionary accounts
- 0
- Total accounts
- 23
- AUM per client
- $154.7M
Clients by type
ADV Item 5D| Client type | Clients | AUM |
|---|---|---|
| Pooled investment vehicles | 23 | $3.56B |
Compensation & activities
ADV Items 5E, 5GCompensation
- Other
- Other (described) — CARRIED INTEREST
- Performance-based fees
- A percentage of assets under your management
Advisory activities
- Portfolio management for pooled investment vehicles
Custody
ADV Item 9- Firm Custody Cash
- Yes
- Firm Custody Assets
- Yes
- Firm Custody Clients
- Yes
- Firm Custody Securities
- Yes
- Related Person Custody Cash
- No
- Related Person Custody Assets
- No
- Related Person Custody Clients
- No
- Related Person Custody Securities
- Yes
Disclosure events
ADV Item 11This firm answered no to every Item 11 disclosure question in this filing.
Filed changes
| Date | Field | From | To | Change |
|---|---|---|---|---|
| May 1, 2026 | AUM | $3,419,319,257 | $3,558,119,290 | increased by$138,800,033 |
| Apr 1, 2026 | Employees | 53 | 50 | decreased by3 |
| Apr 1, 2026 | Clients | 27 | 23 | decreased by4 |
| Apr 1, 2026 | AUM | $3,391,099,110 | $3,419,319,257 | increased by$28,220,147 |
| Apr 1, 2026 | Accounts | 27 | 23 | decreased by4 |
| May 1, 2025 vs Oct 1, 2022 | Employees | 50 | 53 | increased by3 |
| May 1, 2025 vs Oct 1, 2022 | Clients | 18 | 27 | increased by9 |
| May 1, 2025 vs Oct 1, 2022 | AUM | $1,695,048,827 | $3,391,099,110 | increased by$1,696,050,283 |
| May 1, 2025 vs Oct 1, 2022 | Accounts | 18 | 27 | increased by9 |
| Apr 1, 2022 | Employees | 38 | 50 | increased by12 |
| Apr 1, 2022 | Clients | 19 | 18 | decreased by1 |
| Apr 1, 2022 | AUM | $1,848,808,914 | $1,695,048,827 | decreased by$153,760,087 |
| Apr 1, 2022 | Accounts | 19 | 18 | decreased by1 |
| Apr 1, 2021 | Registration | — | APPROVED |
On Form 5500, an adviser usually appears as a plan service provider (Schedule C), not the plan sponsor.
See plans that list “MPM BIOIMPACT” as a service provider on 5500mcp →Matched by name only — Form ADV and Form 5500 share no identifier, and names are searched loosely (“MPM BIOIMPACT” may also match similarly-named firms). Confirm identity against each filing.
Every value above is reproduced from this firm's Form ADV filing. Fields the firm left blank are shown as “Not reported” rather than filled in from other sources.