Abner Herrman & Brock provides portfolio management for individuals and small businesses and portfolio management for institutions.
Abner Herrman & Brock reports 2,403 clients. They include 2,246 high-net-worth individuals, 82 corporations and other businesses, and 54 charitable organizations. Of its assets, 97.7% ($2.67B across 2,361 accounts) are managed with discretion; $61.7M across 42 accounts are not. A wrap fee program the firm both sponsors and manages holds $2.19B.
| Client type | Clients | Assets |
|---|---|---|
| Individuals (other than HNW) | <1% | <1% |
| High-net-worth individuals | 93% | 86% |
| Pension and profit-sharing plans | <1% | 1% |
| Charitable organizations | 2% | 4% |
| Corporations and other businesses | 3% | 9% |
Client breakdown and activity details
| Client type | Clients | Regulatory AUM | AUM share | Avg. per client |
|---|---|---|---|---|
| Individuals (other than HNW) | 5 | $951K | 0.0% | $190K |
| High-net-worth individuals | 2,246 | $2.34B | 85.6% | $1.04M |
| Pension and profit-sharing plans | 16 | $28.2M | 1.0% | $1.77M |
| Charitable organizations | 54 | $120M | 4.4% | $2.22M |
| Corporations and other businesses | 82 | $244M | 8.9% | $2.97M |
| Total | 2,403 | $2.74B | 100% | $1.14M |
- Clients
- 5
- Regulatory AUM
- $951K
- AUM share
- 0.0%
- Avg. per client
- $190K
- Clients
- 2,246
- Regulatory AUM
- $2.34B
- AUM share
- 85.6%
- Avg. per client
- $1.04M
- Clients
- 16
- Regulatory AUM
- $28.2M
- AUM share
- 1.0%
- Avg. per client
- $1.77M
- Clients
- 54
- Regulatory AUM
- $120M
- AUM share
- 4.4%
- Avg. per client
- $2.22M
- Clients
- 82
- Regulatory AUM
- $244M
- AUM share
- 8.9%
- Avg. per client
- $2.97M
Total
- Clients
- 2,403
- Regulatory AUM
- $2.74B
- AUM share
- 100%
- Avg. per client
- $1.14M
- Clients outside the U.S.
- 0%
- Clients advised without assets under management last fiscal year
- 0
- Private funds advised
- 0
- Financial planning clients last fiscal year
- 0
Abner Herrman & Brock charges 0.25%–1.40% a year for its Investment Advisory Fees. The fee is billed in advance, is negotiable and requires an account of at least $500,000.
Fee details and sources
Abner Trust owns 50% to 75% of Abner Herrman & Brock. Caryn Jill Zweig is CEO. It has 13 employees, 5 of them in advisory roles.
Leadership
- Caryn Jill ZweigChief Executive Officer
- Howard Jerome AbnerChief
- Caryn Jill ZweigMember
Investment adviser representatives
5 representatives listed in the SEC register as of 9 October 2026.
- Bryan L Didonato
- Matthew James Flood
- David Jonathan Linsen
- Bindia Rakesh Rosas
- Caryn Jill Zweig
Staff
- 13 employees
- 5 in advisory functions
- 6 state-registered reps
- Owns 50% to 75% of Abner Herrman & Brock, LLC
Abner Trust
since January 2011
- Owns 50% to 75% of Abner Herrman & Brock, LLC
Howard Jerome Abner
Control person · since January 2011
Abner Herrman & Brock’s regulatory assets grew 1.6× from $1.66B (May 2021) to $2.74B (June 2026); clients rose from 1,449 to 2,403 and employees from 12 to 13.
Figures from each annual filing
| Filed | Regulatory AUM | Clients | Employees | Offices |
|---|---|---|---|---|
| June 2026 | $2.74B | 2,403 | 13 | 1 |
| March 2025 | $2.43B | 2,177 | 13 | 1 |
| March 2024 | $1.95B | 1,859 | 11 | 1 |
| March 2023 | $1.65B | 1,641 | 11 | 1 |
| March 2022 | $1.73B | 1,495 | 12 | 1 |
| May 2021 | $1.66B | 1,449 | 12 | 1 |
Besides its headquarters, Abner Herrman & Brock has 0 offices, with 1 listed address in New Jersey.
New Jersey · 1 listed address
- 185 Hudson Street, Suite 1640, Jersey CityHQ
Contact and registration details
- Legal name
- Abner Herrman & Brock, LLC
- Headquarters
- 185 Hudson Street, Suite 1640, Jersey City, NJ 07311
- Website
- ahbi.com
- Phone
- 201-484-2000
- @abner-herrman-&-brock-llc
- SEC file
- 801-17402
- Founded
- 1981
- Structure
- Delaware LLC
- Fiscal year end
- December
Abner Herrman & Brock uses UBS Financial Services ($573M, 29%), LPL Financial ($557M, 28%) and Fidelity ($547M, 27%), among others, as custodians for its separately managed accounts. Abner Herrman & Brock does not have custody of client assets.
- FidelityFidelity Distributors Company LLC · Boston, MA · $547M27%
- Wells Fargo Advisors Financial NetworkWells Fargo Advisors Financial Network, LLC · St. Louis, MO · $331M16%
- LPL FinancialLPL Financial LLC · Boston, MA · $557M28%
- UBS Financial ServicesUBS Financial Services Inc. · Weehawken, NJ · $573M29%
At year end, Abner Herrman & Brock’s separately managed accounts were mostly in bonds (62%) and stocks (36%). Its reported 13F holdings for the quarter ended 30 June 2026 total $1.05M across 111 positions; the largest are Nvidia Corp. (7.4%), Advanced Micro Devices (6.9%) and Dell Technologies -c (6.2%).
What the accounts hold
- Stocks36%
- Bonds62%
- State and local bonds34%
- Investment grade corporate bonds25%
- U.S. government and agency bonds3%
- Cash2%
Reported 13F holdings
- $1.05M
- Reported 13F value
- 111
- Positions
- 45.2%
- In the 10 largest
- +16.4%
- Value vs. prior quarter
- Nvidia Corp.7.4%
- Advanced Micro Devices6.9%
- Dell Technologies -c6.2%
- Alphabet Inc.-cl C4.5%
- Intl Business Machines Corp.3.8%
- Apple Inc.3.8%
- Amazon.com Inc.3.3%
- JPMORGAN Chase & CO3.3%
- Eli Lilly & CO3.1%
- Morgan Stanley2.9%
Together, the ten largest are 45.2% of reported value.
How many clients does Abner Herrman & Brock have?
Abner Herrman & Brock has 2,403 clients and manages $2.74 billion for them, as of June 2026. They include 2,246 high-net-worth individuals, 82 corporations and other businesses, and 54 charitable organizations.
Source: Form ADV Part 1A, Items 5.D and 5.F, filed 9 June 2026
What services does Abner Herrman & Brock offer?
Abner Herrman & Brock provides portfolio management for individuals and small businesses and portfolio management for institutions.
Source: Form ADV Part 1A, Item 5.G, from the SEC's 2 October 2026 data file
How much does Abner Herrman & Brock charge?
Abner Herrman & Brock charges 0.25%–1.40% a year for its Investment Advisory Fees. The fee is billed in advance, is negotiable and requires an account of at least $500,000.
Source: ADV 2A, filed 6 March 2026
Which custodians does Abner Herrman & Brock use?
Abner Herrman & Brock’s separately managed account assets are held at UBS Financial Services Inc. (Weehawken, NJ), with $573M, LPL Financial LLC (Boston, MA), with $557M, Fidelity Distributors Company LLC (Boston, MA), with $547M and Wells Fargo Advisors Financial Network, LLC (St. Louis, MO), with $331M. Only custodians holding at least a tenth of those assets are named.
Source: Form ADV Part 1A, Schedule D, Section 5.K.(3), filed 9 June 2026
How many financial advisors does Abner Herrman & Brock have?
Abner Herrman & Brock has 6 investment adviser representatives registered with state securities authorities, out of 13 employees, and 5 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 Abner Herrman & Brock invest in?
At the end of its last fiscal year, Abner Herrman & Brock’s separately managed accounts held 36% exchange-traded equities, 34% state and local bonds, 25% investment grade corporate bonds, 3% U.S. government and agency bonds and 2% cash and equivalents.
Source: Form ADV Part 1A, Items 5.K.(1) and 7.B, from the SEC's 2 October 2026 data file
Does Abner Herrman & Brock have a minimum investment?
Yes, Abner Herrman & Brock’s minimum account size for its Investment Advisory Fees is $500K.
Source: ADV 2A, filed 6 March 2026
Who owns Abner Herrman & Brock?
Abner Herrman & Brock’s direct owners are Abner Trust (50% to 75%) and Howard Jerome Abner (50% to 75%).
Source: Form ADV Part 1A, Schedules A and B, filed 9 June 2026
How does Abner Herrman & Brock get paid?
Abner Herrman & Brock is paid through a percentage of assets under management. Its Form ADV lists no commissions or performance-based fees 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 Abner Herrman & Brock?
Abner Herrman & Brock’s main office is at 185 Hudson Street, Suite 1640, Jersey City, NJ 07311. Its phone number is 201-484-2000. Its website is ahbi.com.