AdvisorCensus / Financial advisors / Wisconsin / Madison / Thompson Investment Management, Inc.
Thompson Investment Management, Inc.
Filed as THOMPSON INVESTMENT MANAGEMENT, INC.
Thompson Investment Management, Inc. is an SEC-registered investment advisory firm in Madison, WI, registered since 2003, reporting $1 billion to $5 billion in regulatory assets under management in its Form ADV filing dated September 11, 2026.
Quick answers
From the filingHow is Thompson Investment Management, Inc. compensated?
On its Form ADV (Item 5.E, October 2026), Thompson Investment Management, Inc. reports these compensation arrangements: a percentage of assets under its management; fixed fees (other than subscription fees). The amounts are in Item 5 of its Form ADV Part 2A brochure.
Where is Thompson Investment Management, Inc. located?
Thompson Investment Management, Inc.'s principal office is in Madison, WI, according to its Form ADV.
Is Thompson Investment Management, Inc. registered with the SEC or a state?
Thompson Investment Management, Inc. is an SEC-registered investment advisory firm, registered since 2003. Status as filed: Approved. CRD 129609.
How much does Thompson Investment Management, Inc. manage?
Thompson Investment Management, Inc. reports $3,084,417,000 in regulatory assets under management in its Form ADV filing dated September 11, 2026 (100% discretionary).
How have Thompson Investment Management, Inc.'s assets and staff changed since 2021?
In the Form ADV data for Thompson Investment Management, Inc.: Regulatory assets under management: $2,979,304,000 in the October 2021 data and $3,084,417,000 in the October 2026 data, up 4%. Total employees: 18 in October 2021 and 17 in October 2026. Assets under management move with markets as well as with clients coming and going.
What types of clients does Thompson Investment Management, Inc. serve?
By number of clients on Form ADV Item 5.D: individuals (other than high net worth individuals) (288); high net worth individuals (153); pension and profit sharing plans (but not the plan participants or government pension plans) (33).
Which custodians does Thompson Investment Management, Inc. use?
Thompson Investment Management, Inc.'s most recent Form ADV filing (Schedule D, Section 5.K(3)) lists Charles Schwab & Co., Inc. and National Financial Services LLC as custodians holding 10% or more of its separately managed account assets.
Does Thompson Investment Management, Inc. report any disciplinary disclosures?
Reports no disclosure items on Form ADV Item 11. The detail of any item is on the firm's SEC record: https://adviserinfo.sec.gov/firm/summary/129609
What changed in Thompson Investment Management, Inc.'s recent Form ADV filings?
In the October 2026 filing data: Registered or notice-filed in AZ.
From the Form ADV filing
Every figure below is as the firm filed it with regulators, as of October 2026.
How the firm is compensated
Item 5.E- A percentage of assets under your management
- Fixed fees (other than subscription fees)
Item 5.E lists how the firm is compensated for its advice; Items 5.B, 6.A, and 7.A show whether its people or related companies can also earn commissions. Percentage of assets, fixed, hourly, subscription, and performance-based fees come from clients (a performance-based fee depends on investment results); commissions come with a sale or a trade, often from the company behind the product. How fees, commissions, and other arrangements differ
Fees and minimums
Form ADV Part 2AThe brochure lists different fees for different services or strategies. See the firm's brochure (dated March 27, 2026) for its fees and any account minimum, on the SEC's IAPD site.
Regulatory assets under management
Item 5.F$3,084,417,000 as of October 2026, filing dated September 11, 2026.
A measure of scale, not skill or returns. Discretionary means the firm decides trades; non-discretionary means clients approve each one. What assets under management means
Who the firm serves
Item 5.DA firm with no individual clients is an institutional manager even if it manages billions; the mix tells you whom the practice is built around.
Advisory services
Item 5.G- Portfolio management for individuals and/or small businesses
- Portfolio management for investment companies (and business development companies)
- Portfolio management for businesses (other than small businesses) or institutional clients
- Pension consulting services
Registration and firm details
Items 1, 2, 5- Registration
- SEC-registered investment adviser. Status as filed: Approved.
- Registered since
- 2003 (22 years)
- Employees
- Total: 17. Performing investment advisory functions: 6.
- Wrap fee program participation
- Yes.
- Custodians (Schedule D, Section 5.K(3))
-
Custodians holding 10% or more of the firm's separately managed account assets, as filed on Form ADV (Schedule D, Section 5.K(3)). A custodian holds client assets; it does not endorse or supervise the firm. AdvisorCensus has no relationship with any custodian.
- States registered or notice-filed
-
10 states or jurisdictions
SEC-registered investment advisers are examined by the SEC. SEC, state, and exempt registration
Disclosures
Item 11None Reports no disclosure items on Form ADV Item 11. View on IAPD.
Item 11 asks about criminal, regulatory, and civil events involving the firm and its advisory personnel. The detail of each yes answer is on the IAPD record. Reading a firm's disclosures
Assets and staff over time
Items 5.A, 5.F| Data period | Assets under management | Employees | Filing dated |
|---|---|---|---|
| October 2026 | $3,084,417,000 | 17 | September 11, 2026 |
| October 2025 | $2,659,813,000 | 18 | March 27, 2025 |
| October 2024 | $2,135,401,000 | 18 | March 20, 2024 |
| October 2023 | $2,425,678,000 | 19 | April 18, 2023 |
| October 2022 | $3,371,912,000 | 21 | June 10, 2022 |
| October 2021 | $2,979,304,000 | 18 | March 30, 2021 |
Regulatory assets under management: $2,979,304,000 in the October 2021 data and $3,084,417,000 in the October 2026 data, up 4%.
Total employees: 18 in October 2021 and 17 in October 2026.
As filed in each year's data for the same month. Assets under management move with markets as well as with clients coming and going; they measure scale, not skill or returns. Most firms update these figures once a year.
Changes in the filing
Last 12 months- October 2026
- Registered or notice-filed in AZ.
- September 2026
- Registered or notice-filed in CA.
- April 2026
- Regulatory assets under management went from $2,659,813,000 to $3,084,417,000 (+16%).
Compared month to month from the SEC's monthly adviser data and the state compilation feed. Owners and control persons are summarized, never named.
Websites listed on Form ADV
Item 1.ISource: Form ADV, as of October 2026. Values appear as filed; a value the firm did not report is shown as "Not reported."
Cite this page
AdvisorCensus. Thompson Investment Management, Inc. (CRD 129609): Form ADV filing data as of October 2026. https://advisorcensus.com/firm/thompson-investment-management-inc-madison-wi-129609