Every new Connecticut business filing, every dayZweig-DiMenna Associates
KEVIN CANNON, Principal
Zweig-DiMenna Associates, Inc. is a long/short investment firm founded in 1984, based at 301 Riverside Avenue in Westport, Connecticut. The firm's website describes it as among the most experienced long/short investment firms, and its principals include Kevin Cannon, Michael Link, and Joseph DiMenna, with offices also listed at 900 Third Avenue in New York, NY.
Filed April 27, 2026 · Westport, CT
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Connecticut Secretary of the State (business.ct.gov) · Entity 3432684 · Retrieved July 27, 2026
About Zweig-DiMenna Associates
ZWEIG-DIMENNA ASSOCIATES, INC. filed in Connecticut on April 27, 2026, with a principal address in Westport. The company has three principals: Kevin Cannon, Joseph DiMenna, and Michael Link. Its domain was registered in 1998, over 10,000 days before the filing, and the website is modern and identity-confirmed. The business has a brick-and-mortar footprint. We estimate revenue between $10 million and $50 million and 6-25 employees. No annual report or EIN on file yet.
- Domain registered in 1998, over 10,000 days before the filing.
- Three principals listed: Kevin Cannon, Joseph DiMenna, Michael Link.
- Website identity confirmed to match the filing name and address.
- Brick-and-mortar footprint in Westport.
- Shares the same address and owner name with one other entity.
- We estimate revenue between $10 million and $50 million and 6-25 employees.
Compiled from the state record, the company's public web presence, and our own research; revenue, employee, and footprint figures are estimates, not verified financials. Updated August 23, 2026.
One of 62 new businesses registered in Westport in April 2026, one of 2 investment management businesses.
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Filing Details
Verified Business Profile
Contact Information
Verified Website Profile
We matched this business to its website and pulled the domain's registration (WHOIS) record. Domain age is one of the strongest signals that a filing is a truly new business and not a re-filing or paperwork change.
Officers / Authorized Persons
Frequently Asked Questions
When was Zweig-DiMenna Associates registered?
Zweig-DiMenna Associates was registered as Corp on April 27, 2026 in Connecticut.
Where is Zweig-DiMenna Associates located?
Zweig-DiMenna Associates is based in Westport, CT, 06881.
What type of business is Zweig-DiMenna Associates?
Zweig-DiMenna Associates is classified as a investment management business (long/short equity).
Does Zweig-DiMenna Associates have an EIN on file?
No EIN was found on file for Zweig-DiMenna Associates at the time of registration.
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