BVF Partners provides portfolio management for pooled vehicles and portfolio management for institutions. The firm advises 4 private funds.
BVF Partners reports 5 clients. They include 5 pooled investment vehicles. Of its assets, 100.0% ($6.11B across 7 accounts) are managed with discretion. Of its clients, 29% are outside the U.S.
| Client type | Clients | Assets |
|---|---|---|
| Pooled investment vehicles | 100% | 98% |
| Corporations and other businesses | Fewer than 5 | 2% |
Client shares use reported counts. Client types without a reported count are excluded from that total.
Client breakdown and activity details
| Client type | Clients | Regulatory AUM | AUM share | Avg. per client |
|---|---|---|---|---|
| Pooled investment vehicles | 5 | $5.98B | 97.9% | $1.2B |
| Corporations and other businesses | Fewer than 5 | $130M | 2.1% | — |
| Total | 5 | $6.11B | 100% | — |
- Clients
- 5
- Regulatory AUM
- $5.98B
- AUM share
- 97.9%
- Avg. per client
- $1.2B
- Clients
- Fewer than 5
- Regulatory AUM
- $130M
- AUM share
- 2.1%
- Avg. per client
- —
Total
- Clients
- 5
- Regulatory AUM
- $6.11B
- AUM share
- 100%
- Avg. per client
- —
- Clients outside the U.S.
- 29%
- Clients advised without assets under management last fiscal year
- 0
- Private funds advised
- 4
BVF Partners is paid through a percentage of assets under management and performance-based fees; its fees and minimums are set out in its brochures on the SEC website.
BVF Inc. owns 75% or more of BVF Partners and is in turn owned by Mark Lampert (75% or more). Mark Lampert is CEO; the leadership team includes Chief Financial Officer James Kratky. It has 13 employees, 10 of them in advisory roles.
Leadership
- Mark LampertChief Executive Officer
- James KratkyChief Financial Officer, Chief Compliance Officer
Staff
- 13 employees
- 10 in advisory functions
- Owns 75% or more of BVF Partners L.P.
BVF Inc.
Control person · since November 1993
- Owns 75% or more of BVF Inc.
Mark Lampert
Control person · since August 1993
BVF Partners’ regulatory assets grew from $4.73B (March 2021) to $6.11B (March 2026); clients were 5 in both filings and employees were 13 in both filings.
Figures from each annual filing
| Filed | Regulatory AUM | Clients | Employees | Offices |
|---|---|---|---|---|
| March 2026 | $6.11B | 5 | 13 | 2 |
| March 2025 | $5.65B | 5 | 15 | 2 |
| March 2024 | $6.15B | 5 | 15 | 2 |
| March 2023 | $4.5B | 5 | 12 | 2 |
| March 2022 | $4.92B | 5 | 14 | 2 |
| March 2021 | $4.73B | 5 | 13 | 2 |
Besides its headquarters, BVF Partners has 1 office (1 private residence, listed without an address), with 1 listed address in California.
California · 1 listed address
- 44 Montgomery Street, Suite 4000, San FranciscoHQ
Contact and registration details
- Legal name
- BVF Partners L.P.
- Headquarters
- 44 Montgomery Street, Suite 4000, San Francisco, CA 94104
- Website
- bvflp.com
- Phone
- 415-525-8800
- SEC file
- 801-73836
- Structure
- Delaware limited partnership
- Fiscal year end
- December
BVF Partners uses BNP Paribas Securities ($108M, 91%) and The Bank of New York Mellon ($10.6M, 9%) as custodians for its separately managed accounts. BVF Partners has custody of $12.2M in client assets for 2 clients.
- BNP Paribas SecuritiesBNP Paribas Securities Corp. · New York, NY · $108M91%
- The Bank of New York MellonThe Bank of New York Mellon · New York, NY · $10.6M9%
At year end, BVF Partners’ separately managed accounts were mostly in stocks (58%) and cash (32%).
What the accounts hold
- Stocks58%
- Exchange-traded equities38%
- Non-exchange-traded equities20%
- Cash32%
- Other10%
- Derivatives10%
How many clients does BVF Partners have?
BVF Partners has 5 clients and manages $6.11 billion for them, as of March 2026. They include 5 pooled investment vehicles.
Source: Form ADV Part 1A, Items 5.D and 5.F, filed 31 March 2026
What services does BVF Partners offer?
BVF Partners provides portfolio management for pooled vehicles and portfolio management for institutions.
Source: Form ADV Part 1A, Item 5.G, from the SEC's 2 October 2026 data file
Which custodians does BVF Partners use?
BVF Partners’ separately managed account assets are held at BNP Paribas Securities Corp. (New York, NY), with $108M and The Bank of New York Mellon (New York, NY), with $10.6M. Only custodians holding at least a tenth of those assets are named.
Source: Form ADV Part 1A, Schedule D, Section 5.K.(3), filed 31 March 2026
How many financial advisors does BVF Partners have?
BVF Partners has 0 investment adviser representatives registered with state securities authorities, out of 13 employees, and 10 perform investment advisory functions. None are registered representatives of a broker-dealer or licensed insurance agents.
Source: Form ADV Part 1A, Items 5.A and 5.B, from the SEC's 2 October 2026 data file
What does BVF Partners invest in?
At the end of its last fiscal year, BVF Partners’ separately managed accounts held 38% exchange-traded equities, 32% cash and equivalents, 20% non-exchange-traded equities and 10% derivatives. It advises 4 private funds.
Source: Form ADV Part 1A, Items 5.K.(1) and 7.B, from the SEC's 2 October 2026 data file
Who owns BVF Partners?
BVF Partners is owned through a holding company by Mark Lampert. Its direct owner is BVF Inc. (75% or more).
Source: Form ADV Part 1A, Schedules A and B, filed 31 March 2026
How does BVF Partners get paid?
BVF Partners is paid through a percentage of assets under management and performance-based fees. Its Form ADV lists no commissions among how it is paid.
Source: Form ADV Part 1A, Item 5.E, from the SEC's 2 October 2026 data file
How do I contact BVF Partners?
BVF Partners’ main office is at 44 Montgomery Street, Suite 4000, San Francisco, CA 94104. Its phone number is 415-525-8800. Its website is bvflp.com.