Skip to content
GSI Capital Advisors logo

GSI Capital Advisors

InstitutionalAsset manager

Newport Beach, CACRD 135143Updated

GSI Capital Advisors is an investment adviser based in Newport Beach, CA, registered with the SEC since 2006. It provides investment management. Its clients include charitable organizations, investment companies, and pension and profit-sharing plans. Its regulatory assets under management total $182 million, as filed on 13 April 2026.

3
Clients
Not reported
AUM per individual client
3
Advisory staff
2
Offices

From Form ADV filed 13 April 2026SEC record

Services and clients

GSI Capital Advisors provides portfolio management for investment companies and portfolio management for institutions.

GSI Capital Advisors reports 3 clients. They include 1 investment company, 1 pension or profit-sharing plan and 1 charitable organization. Of its assets, 100.0% ($182M across 3 accounts) are managed with discretion.

Clients and assets by client type
Clients3 clients
Assets$182M
Client typeClientsAssets
Investment companies33%25%
Pension and profit-sharing plans33%21%
Charitable organizations33%54%
Client breakdown and activity details
Investment companies
Clients
1
Regulatory AUM
$45M
AUM share
24.7%
Avg. per client
$45M
Pension and profit-sharing plans
Clients
Fewer than 5
Regulatory AUM
$38.7M
AUM share
21.2%
Avg. per client
$38.7M
Charitable organizations
Clients
Fewer than 5
Regulatory AUM
$98.7M
AUM share
54.1%
Avg. per client
$98.7M

Total

Clients
3
Regulatory AUM
$182M
AUM share
100%
Avg. per client
—
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

Fees and minimums

GSI Capital Advisors 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.

Ownership and people

Tazzara LLC owns 75% or more of GSI Capital Advisors and is in turn owned by The Craig A. Leupold Trust (50–75%) and Nicholas D. Tannura 2006 Declaration of Trust (50–75%). Craig Leupold is CEO; the leadership team includes Chief Investment Officer Nicholas Tannura. It has 4 employees, 3 of them in advisory roles.

Loading adviser profiles

Staff

  • 4 employees
  • 3 in advisory functions
Who owns the firm
Gsi Capital Advisors LLC· the adviser
  • Tazzara LLC

    Control person · since October 2020

    Owns 75% or more of Gsi Capital Advisors LLC
    • The Craig A. Leupold Trust

      Control person · since October 2020

      Owns 50% to 75% of Tazzara LLC
    • Nicholas D. Tannura 2006 Declaration of Trust

      Control person · since October 2020

      Owns 50% to 75% of Tazzara LLC

Growth and acquisitions

GSI Capital Advisors’ regulatory assets grew from $169M (March 2021) to $182M (April 2026); clients rose from 2 to 3 and employees were 4 in both filings.

By annual filing
Measure
Figures from each annual filing
FiledRegulatory AUMClientsStaffEmployeesOffices
Apr 2026April 2026$182M342
Mar 2025March 2025$192M242
Mar 2024March 2024$170M242
Apr 2023April 2023$170M442
Mar 2022March 2022$233M442
Mar 2021March 2021$169M241

Offices and registration details

Besides its headquarters, GSI Capital Advisors has 1 office (1 private residence, listed without an address), with 1 listed address in 1 state.

Listed office addresses by state

California · 1 listed address

  • 23 Corporate Plaza, Suite 150, Newport BeachHQ

Contact and registration details

Legal name
Gsi Capital Advisors LLC
Headquarters
23 Corporate Plaza, Suite 150, Newport Beach, CA 92660
Website
gsicap.com
SEC file
801-66702
Structure
Delaware LLC
Fiscal year end
December

Custodians

GSI Capital Advisors’ named custodians for separately managed accounts are The Bank of New York Mellon ($98.7M, 72%) and Principal Trust ($38.7M, 28%). GSI Capital Advisors does not have custody of client assets.

Reported separately managed account assets by custodian
$137M
named custodians
  • Principal TrustPrincipal Trust Company · Minneapolis, MN · $38.7M28%
  • The Bank of New York MellonThe Bank of New York Mellon · New York, NY · $98.7M72%

Investments and reported holdings

At year end, GSI Capital Advisors’ separately managed accounts were mostly in stocks (99%). Its reported 13F holdings for the quarter ended 30 June 2026 total $212M across 29 positions; the largest are Welltower Inc. (9.7%), Equinix (9.2%) and Prologis (8.5%).

What the accounts hold

Separately managed account assets by class, year end
  • Stocks99%
  • Cash1%
Loading reported holdings

Common questions

How many clients does GSI Capital Advisors have?

GSI Capital Advisors has 3 clients and manages $182 million for them, as of April 2026. They include 1 investment company, 1 pension or profit-sharing plan and 1 charitable organization.

Source: Form ADV Part 1A, Items 5.D and 5.F, filed 13 April 2026

What services does GSI Capital Advisors offer?

GSI Capital Advisors provides portfolio management for investment companies 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 GSI Capital Advisors use?

GSI Capital Advisors’ separately managed account assets are held at The Bank of New York Mellon (New York, NY), with $98.7M and Principal Trust Company (Minneapolis, MN), with $38.7M. Only custodians holding at least a tenth of those assets are named.

Source: Form ADV Part 1A, Schedule D, Section 5.K.(3), filed 13 April 2026

How many financial advisors does GSI Capital Advisors have?

GSI Capital Advisors has 0 investment adviser representatives registered with state securities authorities, out of 4 employees, and 3 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 GSI Capital Advisors invest in?

At the end of its last fiscal year, GSI Capital Advisors’ separately managed accounts held 99% exchange-traded equities and 1% cash and equivalents.

Source: Form ADV Part 1A, Items 5.K.(1) and 7.B, from the SEC's 2 October 2026 data file

Who owns GSI Capital Advisors?

GSI Capital Advisors is owned through a holding company by the Craig A. Leupold Trust and Nicholas D. Tannura 2006 Declaration of Trust. Its direct owner is Tazzara LLC (75% or more).

Source: Form ADV Part 1A, Schedules A and B, filed 13 April 2026

How does GSI Capital Advisors get paid?

GSI Capital Advisors 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 GSI Capital Advisors?

GSI Capital Advisors’ main office is at 23 Corporate Plaza, Suite 150, Newport Beach, CA 92660. Its phone number is 833-734-8474. Its website is gsicap.com.

Source: Form ADV Part 1A, Item 1.F, filed 13 April 2026

Sources and methodology

  1. Form ADV Part 1A, amendment filed 13 April 2026. Items 1, 5, 9, 11 and Schedules A, B and D.
  2. IAPD firm record, CRD 135143.
  3. SEC registered adviser data, annual Form ADV amendments filed 22 March 2021 to 13 April 2026. Items 1.F and 5.
  4. Form 13F-HR, filed 7 August 2026 for the quarter ended 30 June 2026.

Retrieved 15 October 2026. All are published by the SEC and may have been amended since. Disciplinary history is not yet shown here. The SEC publishes the complete record, including any disciplinary events, and it is the authoritative place to check one. The logo is reproduced for identification from GSI Capital Advisors LLC, website.

Download source data (JSON)How this directory is compiledReport a correction
Loading related firms