AdFi
GC

Gainline Capital Partners LP

SEC Registered

Capital / Advanced

Stamford, CThttps://gainlinecapital.com212-319-3023
Assets Under Management
$1B–$5B
Employees
20
Office Locations
1 office
Total Accounts
8

About the firm

Gainline Capital provides financial, operational, and strategic resources to middle-market companies, offering deep experience and hands-on stewardship to drive long-term value creation. The firm focuses on control-oriented investments in North America-based middle market platforms with $5-50 million in EBITDA, primarily in business services, consumer, and niche manufacturing sectors.

Firm Focus

Client segments reported on the firm's SEC Form ADV — applies to all advisors at the firm.

Pooled Vehicles

Areas of expertise

Middle MarketPrivate EquityControl InvestmentsFirst Institutional CapitalBusiness ServicesConsumerNiche ManufacturingFounder FriendlyValue CreationNorth America

Services

Control and majority investments providing first institutional capital to middle-market platforms; value creation through financial, operational, and strategic resources; professionalization of businesses using a value creation playbook.

Private funds / alternatives
Private Equity

Who they serve

Middle-market companies and their management teams, particularly founder-friendly platforms seeking first institutional capital, primarily in business services, consumer, and niche manufacturing sectors with $5-50 million in EBITDA.

Client segmentClientsAssets managed
Pension/Profit Sharing Plans4$822M

Leadership

Lp Gainline Capital Intermediate Holdings
LIMITED PARTNER
Llc Gainline Capital Holdings Gp
GENERAL PARTNER
Llc Gainline Capital Holdings Gp
GENERAL PARTNER
Lp Gainline Capital Holdings
LIMITED PARTNER
Allan D L Weinstein
MANAGING PARTNER
Ulric Sullivan
MANAGING DIRECTOR
Allan D L Weinstein
MEMBER
Allan D L Weinstein
LIMITED PARTNER
Ulric Sullivan
MEMBER
Ulric Sullivan
LIMITED PARTNER
Neely Doshi Cather Irrevocable Nevada Trust 10/1/2015
OWNER
Nishat Nitin Doshi Irrevocable Nevada Trust 10/1/2015
OWNER
Nitin V Doshi
OWNER
Leena Doshi
OWNER
Nitin V Doshi
TRUSTEE
Leena Doshi
TRUSTEE
Nitin V Doshi
TRUSTEE
Leena Doshi
TRUSTEE
Brian Martin O'reilly
CHIEF FINANCIAL OFFICER AND CHIEF COMPLIANCE OFFICER

Office locations

1 office in 1 state
CT
StamfordHQ

Regulatory & compliance

CRD number
#285325
SEC Number
801-117953
Disciplinary History
No
Fee Model & Minimums
Model: AUM / Performance-based

Data as of March 31, 2026 · Source: SEC IAPD & FINRA BrokerCheck

Contact Information

Editorial disclosure

This profile was compiled and published by AdvisorFinder as editorial content using publicly available information from the SEC's IAPD database and FINRA BrokerCheck. Gainline Capital Partners LP has not reviewed, approved, or endorsed this profile and is not responsible for its accuracy. Regulatory records change over time — always verify the current record directly on the SEC or FINRA websites before making any decision.

BrokerCheck data is used subject to the FINRA BrokerCheck Terms of Use. Found something inaccurate? Report inaccurate data and we will correct any error we introduced. Errors in the underlying BrokerCheck record itself are referred to FINRA, which maintains that record.

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Gainline Capital Partners LP in Stamford, CT | AdvisorFinder