Est. 1986 · Portland, Maine · A Stifel Company

Growth capital for innovative technology companies.

For thirty-nine years, North Atlantic Capital has provided patient, structured growth capital — $3M to $12M — to high-growth technology companies and, through the Stifel North Atlantic AM-Forward Fund, to America's advanced-manufacturing supply chain.

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Casco Bay · Portland, Maine — filmed over the firm's home waters

1986 Founded in Portland, Maine
5 Venture funds managed — current fund: North Atlantic Fund V
100+ Companies backed since inception
$123M+ Stifel North Atlantic AM-Forward Fund
~3,000 Jobs created across portfolio companies

One of the oldest venture capital firms in America — 39 years of investing, 1986 to 2025 and counting.

Strategy

Patient capital, flexibly structured.

We invest $3M–$12M in established, high-growth companies — pairing a 30+ year legacy of supportive, collaborative partnership with more than 50 years of combined investing experience. See our full strategy →

01

Growth Capital

Growth capital for innovative, high-growth technology companies. We back proven teams with expanding markets, working alongside portfolio-company executives and co-investors as long-term, supportive partners.

Technology · Minority Equity

02

Structured Debt

Flexible structures tailored to each company's plan: senior debt, subordinated debt with warrants, preferred stock, and minority common equity. Capital that funds growth without forcing founders to give up control.

$3M–$12M Typical Investment

03

Stifel North Atlantic AM-Forward Fund

Long-term patient capital for established U.S. aerospace and defense manufacturers — Tier 2, 3, and 4 suppliers — expanding additive and advanced manufacturing capability, via senior debt, subordinated debt, warrants, and minority equity.

Aerospace & Defense · Additive Manufacturing

Portfolio

100+ companies backed since 1986.

A selection of current and realized investments across five venture funds and the Stifel North Atlantic AM-Forward Fund. Every logo links to the company. Explore the full portfolio →

SintaviaActive · AM-ForwardWasabiActiveZignal LabsActiveLendKeyActiveBoostActiveInMarketActiveSuzyActiveIDEXX LaboratoriesRealized · IPOWEXRealized · IPOCasella Waste SystemsRealized · IPOSynacorRealized · IPOTangoeRealized · IPOZayo GroupNotableDigital TurbineNotableLumiraDxNotableEllevation EducationNotableElmet TechnologiesNotableMicroline SurgicalNotableThe Hinckley CompanyNotableChartbeatNotable

Selected investments shown. Realized outcomes include five IPOs — IDEXX Laboratories, WEX, Casella Waste Systems, Synacor, and Tangoe.

Heritage

Thirty-nine years on the North Atlantic.

Organized in June 1986 by David Coit and Greg Peters, North Atlantic Capital is one of the oldest venture capital firms in America. Read the full history →

  1. 1986

    Founded in Portland, Maine

    David Coit and Greg Peters organize North Atlantic Capital on the working waterfront.

  2. 2003

    National technology strategy

    The firm broadens to a national strategy backing high-growth technology companies.

  3. 2021

    A Stifel Company

    After a 35-year independent run, North Atlantic joins Stifel Financial.

  4. 2024

    Lifetime Achievement

    SBIA honors co-founder David Coit with its Lifetime Achievement Award.

  5. 2025

    $10M into Sintavia

    The Stifel North Atlantic AM-Forward Fund invests $10M in additive manufacturer Sintavia.

Team

Partners for the long term.

More than 50 years of combined investing experience, grounded in supportive, collaborative relationships with the executives we back.

David Coit, Co-founder & Managing Director at North Atlantic Capital

David Coit

Co-founder & Managing Director

SBIA Lifetime Achievement Award, 2024

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Mark Morrissette, Managing Director at North Atlantic Capital

Mark Morrissette

Managing Director

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Michael Nitka, Managing Director at North Atlantic Capital

Michael Nitka

Managing Director

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Victor Nesi, Board Member, Stifel Financial at North Atlantic Capital

Victor Nesi

Board Member, Stifel Financial

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Jason Gorey, Director of Investments at North Atlantic Capital

Jason Gorey

Director of Investments

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Justin Sheehan, Vice President at North Atlantic Capital

Justin Sheehan

Vice President

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Marnya Bufithis, Chief Financial Officer at North Atlantic Capital

Marnya Bufithis

Chief Financial Officer

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Barbara Williams, Office Coordinator at North Atlantic Capital

Barbara Williams

Office Coordinator

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News

Recent from the firm.

AM-Forward · 2025

Stifel North Atlantic AM-Forward Fund makes $10M investment in Sintavia

The fund's patient-capital mandate at work in additive manufacturing for aerospace and defense.

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Firm · 2024

SBIA honors David Coit with Lifetime Achievement Award

Recognizing the co-founder's decades of leadership in small-business investing.

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Announcement

Stifel's AM-Forward Fund launches — seeking US manufacturers

Long-term capital for Tier 2, 3, and 4 aerospace and defense suppliers building additive and advanced manufacturing capability.

Read More →
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