DOC-IB-2026-05-15 Prepared by Hermes · For Mimir L1 · SIGNAL_CLEAN
Client Meeting Brief — 2026-05-15

Interactive Brokers

Identity, audience, commercial structure, protocol surface, private-investments fit, robo landscape, and a meeting playbook for a fund manager building a teaching practice around private investments. Counterparty: institutional / sophisticated. Reading time: ~18 min.

$13.3B
Excess regulatory capital
3.62M
Trades cleared per day
160 / 36
Markets / countries · 28 currencies
TL;DR

§01Company snapshot

Identity · regulator · scale
Legal entity (US)Interactive Brokers LLC
TickerNasdaq: IBKR
Founded1977
Founder / ChairThomas Peterffy
HQGreenwich, CT
Regulator (US)SEC · FINRA
Coverage200+ countries · 160 markets · 36 countries · 28 currencies
Daily trade volume~3.62M trades / day
Excess regulatory capital$13.3B
Recent expansion (Dec 2025)Direct trading on B3 (Brazil) for non-Brazilian clients

Why fund managers respect it. Institutional-grade execution (SmartRouting, no PFOF on the Pro tier, lowest margin rates in the industry), strong balance sheet, broad asset coverage, and a turnkey RIA / advisor stack that scales without changing custodians.

§02Who uses Interactive Brokers

Retail tracks. IBKR Lite — US only, $0 commission (PFOF). IBKR Pro — Global, SmartRouting (no PFOF), tiered commissions, Full Trader Workstation. Detail in §03.

Institutional — the segment your counterparty belongs to

For a fund manager teaching private investments, the relevant account is usually:

§03Commercial structure

IBKR Lite vs Pro — January 2026 retail-facing pricing

IBKR LiteIBKR Pro
GeographyUS onlyGlobal
US stocks / ETFs$0 (PFOF)$0.0035 / share · min $0.35
High-volume tier (>300k sh/mo)$0$0.0005 / share
Options$0.65 / contract$0.15 – $0.65 (volume tiered)
Margin rateBenchmark + 2.5% (~6.37%)Benchmark + 0.5 – 1.5% (~4.37 – 5.37%)
Cash interest paidBenchmark − 1.5%Benchmark − 0.5%
Order routingMarket makers (PFOF)SmartRouting · multi-venue · dark pools

Advisor / institutional pricing

The line that resonates with fund managers: the platform doesn't tax you for being on it; you pay execution costs only.

§04The "protocol" — IBKR's platform surface

Layer · what it is
LayerWhat it is
TWS · Trader WorkstationDesktop trading platform. Java-based. Pro feature set: 90+ order types, algos, charting, options analytics.
IBKR DesktopNewer streamlined desktop platform.
IBKR Mobile · GlobalTraderiOS / Android. GlobalTrader = simpler version.
Client PortalBrowser-based account management + trading.
IB GatewayHeadless TWS — runs automated / server-side strategies without a UI.
TWS APIThe "protocol." TCP socket message protocol. Official libraries in Python · Java · C++ · C# · VisualBasic. Excel integration via DDE / RTD / ActiveX. Requires IBKR Pro + funded account + supported 2FA (IB Key, Handy Key, SMS, DSC+).
FIXIndustry-standard institutional protocol. Available for high-volume / algorithmic clients.
Investors' MarketplaceIBKR-curated directory of third-party services that already integrate — CRM, portfolio analytics, tax, robo, research.
Third-Party IntegrationsLong pre-certified list (AbleTrend, AgenaTrader, etc.) + separate Reporting Integration team for fund admins / portfolio accountants.
PortfolioAnalystIBKR's native consolidated reporting tool — aggregates IBKR accounts plus external accounts via data import.
White BrandingInstitutional clients can put their own brand on Client Portal, statements, mobile. End-client sees the advisor's brand, not IBKR's.

Key talking point. When someone says "I'll build on IBKR," they could mean (a) custody only, (b) custody + TWS API for automation, (c) custody + white-branded Client Portal for a turnkey advisor experience, or (d) custody + FIX for institutional flow. These are very different builds.

§05Private investments — read carefully

Sharp edge — surface up front
IBKR is primarily a public-markets broker.

It does not custody most "private" alternative assets the way a fund manager teaching the space might assume. If the counterparty is pitching IBKR as the private-investments platform, gently surface this distinction. They may be conflating "alternative investments education" (IBKR Campus content) with "alternative investments custody" (which IBKR mostly does not do).

What IBKR does offer in "alternatives"
  • Hedge Fund Marketplace — accredited investors browse / allocate to onboarded hedge funds.
  • Mutual Funds Marketplace — including some alternative-strategy mutual funds.
  • Non-Transaction-Fee ETFs — including alt-strategy ETFs.
  • Bonds Marketplace — corporate, muni, sovereign, structured notes.
  • Interactive Advisors portfolios — themed / values-based.
  • Stock Yield Enhancement Program — share-lending revenue.
  • Educational content on alts (IBKR Campus — Preqin, Morningstar, BMO).
What IBKR does NOT offer
  • Direct custody of private equity LP interests.
  • Private real estate.
  • Private credit funds (outside those routed through the hedge fund marketplace).
  • Private placements · non-traded REITs.
  • Collectibles · art · wine.
  • Direct ownership of private company shares.
  • For these: specialist custodians — Alto IRA, Equity Trust, iCapital, CAIS, Schwab Alternative Investment Source, Pershing Alt Custody — or SPV / LP structures.

So how do fund managers teaching private investments use IBKR?

Common pattern: a three-tier sleeve architecture with reporting consolidated on top.

Recommended pattern — public + private + consolidated view
Layer 3 · Reporting Consolidated Reporting PortfolioAnalyst Aggregates IBKR accounts + external sleeves via data import Layer 1 · Liquid Public-markets sleeve Interactive Brokers (RIA) ETFs · bonds · options · cash SmartRouting · multi-currency Client billing handled by IBKR Layer 2 · Alt Private-investments sleeve Specialist custodian · SPV Alto · Equity Trust · iCapital · CAIS Pershing alt-custody · Schwab AIS LP interests · private credit · real estate Pedagogy IBKR is the practice ground · white-branded Client Portal + paper trading demo public-market mechanics

§06Robo advisors — what to know

The counterparty flagged this as important. Three things to have at fingertips.

a · Interactive Advisors — IBKR's own robo

b · White-label robo landscape — the industry trend the counterparty is reacting to

ProviderRegion · positioning
TradingFrontUS RIAs / fintechs · $100 / mo first 100 accounts or $10M AUM
ETFmaticEurope — White Label / Hybrid / API / SaaS
Saxo Bank20+ years institutional white-label experience
Investify TECHDACH region
GambitEU

Why this matters: the trend is "every advisor will need a digital onboarding + automated rebalancing layer." Three ways to get one:

c · Robo + private investments — the live question

Most established robos are public-markets only. The frontier is "alts-aware" digital advice — iCapital, CAIS, Yieldstreet, Moonfare have built advisor platforms specifically for accredited / qualified-purchaser private deal flow. None of those custody at IBKR. The counterparty's "IBKR + teach private investments" idea likely needs a companion alt-custody story.

§07For the meeting

Talking points — order of confidence-buy
  1. "IBKR is the institutional-grade broker that retail can also use — that's its core identity. Founded 1977, public since 2007, $13B+ excess regulatory capital."
  2. "The advisor side is genuinely turnkey: no platform fees, no software fees, no minimums. You pay execution, the client pays your billing. That's why a lot of independent RIAs choose it over Schwab or Fidelity custody once they're past the smallest-firm phase."
  3. "It speaks every protocol that matters — TWS API for retail-style automation, FIX for institutional, white-branded Client Portal for client-facing surface. Whatever build you want to do, IBKR has the plumbing."
  4. "On private investments — IBKR is mostly a public-markets custodian. The Hedge Fund Marketplace is the closest they come to private alts. For LP interests, private real estate, private credit, you need a specialist custodian or SPV — IBKR isn't that. Worth being precise on this upfront."
  5. "On robo advisors — IBKR has their own (Interactive Advisors), which won US News' best-robo award in 2024 and 2025. Plus white branding lets an advisor put their own brand on the IBKR stack. The 'every advisor needs a digital layer' trend is real; whether you build, white-label, or buy is the strategic question."

Risks · sharp edges to surface gently

Questions to ask

§08 · Sources
END · DOC-IB-2026-05-15 Prepared by Hermes · For Mimir