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GAMCO Investors Inc. — Investor Relations & Filings

Ticker · GAMI ISIN · US3614381040 LEI · 51A2MDO9SJ2HTOSMLZ76 US Financial and insurance activities
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Filings indexed 141 across all filing types
Latest filing 2026-05-22 Major Shareholding Noti…
Country US United States of America
Listing US GAMI

About GAMCO Investors Inc.

www.gabelli.com

GAMCO Investors Inc., operating under the brand name Gabelli, is a diversified asset management and financial services firm founded in 1977. The company provides investment advisory, wealth management, and brokerage services to a broad range of clients, including institutions, financial intermediaries, and private individuals. It manages assets on a discretionary basis across various investment vehicles, including open-end and closed-end funds, actively managed exchange-traded funds (ETFs), and separate accounts. The firm's investment approach is centered on a fundamental, bottom-up research framework, aiming to identify undervalued securities with potential for long-term capital appreciation. GAMCO invests in a variety of U.S. and international securities.

Recent filings

Filing Released Lang Actions
Form 8.3
Major Shareholding Notification Classification · 89% confidence The document is a Takeover Code Form 8.3 “public opening position disclosure” by GAMCO Investors disclosing ≥1% economic interests (via derivatives) in Animalcare Group plc. This is a shareholder notification of a significant stake (over a threshold) rather than a director trade or company buy-back. It fits the Major Shareholding Notification category.
2026-05-22 English
Form 8.3
Major Shareholding Notification Classification · 95% confidence The document is UK Takeover Code Form 8.3 – a public opening position/dealing disclosure by GAMCO Investors, Inc., an external investor with interests in Animalcare Group plc’s securities crossing the 1% threshold. This is not an insider director’s trade (DIRS) nor a company buyback (POS), but a notification of a significant shareholding change. Therefore it matches Major Shareholding Notification (MRQ).
2026-05-20 English
Form 8.3
Major Shareholding Notification Classification · 100% confidence The document is a Form 8.3, which is a public opening position disclosure/dealing disclosure by a person with interests in relevant securities representing 1% or more, under Rule 8.3 of the Takeover Code. It details shareholdings, derivative positions, and dealings by GAMCO Investors, Inc. in Treatt plc securities. This type of filing is a notification of major shareholding or changes in significant share ownership levels. It is not a financial report, management information, or regulatory announcement unrelated to shareholding. Therefore, the appropriate classification is Major Shareholding Notification (MRQ). The document length and content confirm it is a full disclosure, not just an announcement or certification.
2026-05-07 English
Form 8.3
Major Shareholding Notification Classification · 100% confidence The document is a Form 8.3, which is a public opening position disclosure/dealing disclosure by a person with interests in relevant securities representing 1% or more, under Rule 8.3 of the Takeover Code. It details shareholdings, derivative positions, and dealings by GAMCO Investors, Inc. in Treatt plc securities. This type of filing is a notification of major shareholding changes or disclosures related to significant ownership stakes. It is not a financial report, earnings release, or management information. Therefore, it fits the category of Major Shareholding Notification (MRQ). The document length and content confirm it is a full disclosure, not just an announcement or certification.
2026-05-06 English
Form 8.3
Major Shareholding Notification Classification · 100% confidence The document is a Form 8.3, which is a public opening position disclosure/dealing disclosure by a person with interests in relevant securities representing 1% or more, under Rule 8.3 of the Takeover Code. It details shareholdings, derivative positions, and dealings by GAMCO Investors, Inc. in relation to Treatt plc. This type of filing is a notification of major shareholding or changes in significant share ownership levels. It is not a financial report, earnings release, or management information. Therefore, it fits the category of Major Shareholding Notification (MRQ). The document length and content confirm it is a full disclosure, not just an announcement or certification.
2026-05-05 English
Form 8.3
Major Shareholding Notification Classification · 100% confidence The document is a Form 8.3, which is a public opening position disclosure/dealing disclosure by a person with interests in relevant securities representing 1% or more, under Rule 8.3 of the Takeover Code. It details shareholdings, dealings, and positions in securities related to an offeror/offeree (Treatt plc). This type of filing is a notification of major shareholding and transactions by significant shareholders, not a financial report, management information, or regulatory announcement. Therefore, it fits the category of Major Shareholding Notification (MRQ). The document length and content confirm it is a full disclosure form, not a brief announcement or certification.
2026-04-30 English

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