Bison Investment Advisors provides portfolio management for individuals and small businesses, portfolio management for pooled vehicles, pension consulting, and selecting other managers. The firm advises 1 private fund.
Bison Investment Advisors reports 165 clients. They include 99 individual clients, 59 high-net-worth individuals, and 6 corporations and other businesses. Of its assets, 100.0% ($158M across 304 accounts) are managed with discretion. It advised 1 client without assets under management last fiscal year.
| Client type | Clients | Assets |
|---|---|---|
| Individuals (other than HNW) | 60% | 43% |
| High-net-worth individuals | 36% | 50% |
| Pooled investment vehicles | <1% | 5% |
| Corporations and other businesses | 4% | 3% |
Client breakdown and activity details
| Client type | Clients | Regulatory AUM | AUM share | Avg. per client |
|---|---|---|---|---|
| Individuals (other than HNW) | 99 | $67M | 42.5% | $677K |
| High-net-worth individuals | 59 | $78.4M | 49.8% | $1.33M |
| Pooled investment vehicles | 1 | $7.8M | 5.0% | $7.8M |
| Corporations and other businesses | 6 | $4.34M | 2.8% | $723K |
| Total | 165 | $158M | 100% | $955K |
- Clients
- 99
- Regulatory AUM
- $67M
- AUM share
- 42.5%
- Avg. per client
- $677K
- Clients
- 59
- Regulatory AUM
- $78.4M
- AUM share
- 49.8%
- Avg. per client
- $1.33M
- Clients
- 1
- Regulatory AUM
- $7.8M
- AUM share
- 5.0%
- Avg. per client
- $7.8M
- Clients
- 6
- Regulatory AUM
- $4.34M
- AUM share
- 2.8%
- Avg. per client
- $723K
Total
- Clients
- 165
- Regulatory AUM
- $158M
- AUM share
- 100%
- Avg. per client
- $955K
- Clients outside the U.S.
- 0%
- Clients advised without assets under management last fiscal year
- 1
- Private funds advised
- 1
Bison Investment Advisors is paid through a percentage of assets under management, hourly charges, fixed fees (other than subscription fees) and other compensation. The reviewed brochures do not disclose an asset-based fee rate. Read the SEC-filed brochure. The brochure also prices one other service, listed under fee details.
Fee details and sources
Other fees
- Qualified retirement plan consulting
- Plan consulting is tiered by plan assets from $1,000 to $10,000 a year, custom above $5,000,000, with a $1,000 per annum minimum.
Dwayne Tidwell owns 75% or more of Bison Investment Advisors. The leadership team of Bison Investment Advisors includes President Dwayne Tidwell and Chief Compliance Officer Tara Roman. It has 4 employees, 2 of them in advisory roles.
Staff
- 4 employees
- 2 in advisory functions
- 3 state-registered reps
- 2 insurance agents
- Owns 75% or more of Bison Investment Advisors, LLC
Dwayne Tidwell
Control person · since January 2013
Bison Investment Advisors’ regulatory assets grew from $140M (July 2025) to $158M (March 2026); clients rose from 147 to 165 and employees were 4 in both filings.
Figures from each annual filing
| Filed | Regulatory AUM | Clients | StaffEmployees | Offices |
|---|---|---|---|---|
| Mar 2026March 2026 | $158M | 165 | 4 | 2 |
| Jul 2025July 2025 | $140M | 147 | 4 | 2 |
Besides its headquarters, Bison Investment Advisors has 1 office (1 private residence, listed without an address), with 1 listed address in 1 state.
Texas · 1 listed address
- 10055 Grogans Mill, Suite 120, The WoodlandsHQ
Contact and registration details
- Legal name
- Bison Investment Advisors, LLC
- Headquarters
- 10055 Grogans Mill, Suite 120, The Woodlands, TX 77380
- Website
- bisoninvestmentadvisors.com
- Phone
- 281-665-3616
- SEC file
- 801-133931
- Structure
- Texas LLC
- Fiscal year end
- December
Bison Investment Advisors’ named custodians for separately managed accounts include Charles Schwab ($68.2M, 45%), Megatal Capital Investments ($28M, 19%) and Banque Pictet & Cie Sa ($21.8M, 15%). Bison Investment Advisors does not have custody of client assets.
- Charles SchwabCharles Schwab & Co., Inc. · Westlake, TX · $68.2M45%
- Inspira Financial TrustInspira Financial Trust · Oak Brook, IL · $12.4M8%
- Keystone National GroupKeystone National Group · Salt Lake City, UT · $19.7M13%
- Megatal Capital InvestmentsMegatal Capital Investments · Dallas, TX · $28M19%
- Banque Pictet & Cie SaBanque Pictet & Cie Sa · Geneva · $21.8M15%
At year end, Bison Investment Advisors’ separately managed accounts were largely in stocks (49%) and funds (48%).
What the accounts hold
- Stocks49%
- Exchange-traded equities25%
- Non-exchange-traded equities24%
- Funds48%
- Registered funds42%
- Pooled vehicles6%
- Bonds1%
- Cash2%
How many clients does Bison Investment Advisors have?
Bison Investment Advisors has 165 clients and manages $158 million for them, as of March 2026. They include 99 individual clients, 59 high-net-worth individuals, and 6 corporations and other businesses.
Source: Form ADV Part 1A, Items 5.D and 5.F, filed 4 March 2026
What services does Bison Investment Advisors offer?
Bison Investment Advisors provides portfolio management for individuals and small businesses, portfolio management for pooled vehicles, pension consulting, and selecting other managers.
Source: Form ADV Part 1A, Item 5.G, from the SEC's 2 October 2026 data file
Which custodians does Bison Investment Advisors use?
Bison Investment Advisors’ separately managed account assets are held at Charles Schwab & Co., Inc. (Westlake, TX), with $68.2M, Megatal Capital Investments (Dallas, TX), with $28M, Banque Pictet & Cie Sa (Geneva), with $21.8M, Keystone National Group (Salt Lake City, UT), with $19.7M and Inspira Financial Trust (Oak Brook, IL), with $12.4M. Only custodians holding at least a tenth of those assets are named.
Source: Form ADV Part 1A, Schedule D, Section 5.K.(3), filed 4 March 2026
How many financial advisors does Bison Investment Advisors have?
Bison Investment Advisors has 3 investment adviser representatives registered with state securities authorities, out of 4 employees, and 2 perform investment advisory functions. 0 employees are registered representatives of a broker-dealer and 2 employees are 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 Bison Investment Advisors invest in?
At the end of its last fiscal year, Bison Investment Advisors’ separately managed accounts held 42% registered funds (mutual funds, ETFs, BDCs), 25% exchange-traded equities, 24% non-exchange-traded equities, 6% pooled vehicles (private funds and similar), 2% cash and equivalents and 1% U.S. government and agency bonds. It advises 1 private fund.
Source: Form ADV Part 1A, Items 5.K.(1) and 7.B, from the SEC's 2 October 2026 data file
Who owns Bison Investment Advisors?
Bison Investment Advisors’ direct owner is Dwayne Tidwell (75% or more).
Source: Form ADV Part 1A, Schedules A and B, filed 4 March 2026
How does Bison Investment Advisors get paid?
Bison Investment Advisors is paid through a percentage of assets under management, hourly charges, fixed fees and other compensation. 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 Bison Investment Advisors?
Bison Investment Advisors’ main office is at 10055 Grogans Mill, Suite 120, The Woodlands, TX 77380. Its phone number is 281-665-3616. Its website is bisoninvestmentadvisors.com.
