SG Americas Securities LLC boosted its position in shares of Cogent Communications Holdings, Inc. (NASDAQ: CCOI) by 795.4% in the fourth quarter, according to its most recent filing with the Securities and Exchange Commission. The fund owned 68,025 shares of the technology company's stock after buying an additional 60,428 shares during the quarter.

LOS ANGELES, March 30, 2026 (GLOBE NEWSWIRE) -- The Portnoy Law Firm advises Cogent Communications Holdings, Inc. , (“ Cogent " or the "Company") ( NASDAQ : CCOI ) investors that the firm has initiated an investigation into possible securities fraud, and may file a class action on behalf of investors.

LUMN gains momentum with AI-driven fiber demand, aggressive deleveraging and strong estimate revisions, edging past CCOI in investment appeal.

Ulysses Management exited its entire stake in Cogent Communications last quarter by selling 335,982 shares. The shares were previously worth about $12.9 million.

Cogent Communications Holdings, Inc. (NASDAQ: CCOI - Get Free Report)'s share price traded down 6.7% during trading on Friday. The stock traded as low as $18.62 and last traded at $18.6810. 275,435 shares changed hands during trading, a decline of 76% from the average session volume of 1,136,462 shares. The stock had previously closed at

Cogent Communications Holdings, Inc. (NASDAQ: CCOI - Get Free Report) has received an average recommendation of "Hold" from the eleven analysts that are currently covering the firm, MarketBeat.com reports. One research analyst has rated the stock with a sell recommendation, seven have given a hold recommendation and three have issued a buy recommendation on the company.

MIG Capital bought up 569,220 shares of Cogent Communications in the fourth quarter. The quarter-end position value rose by $12.27 million, reflecting the new trade.

NEW YORK--(BUSINESS WIRE)--Rosen Law Firm, a global investor rights law firm, announces an investigation of potential breaches of fiduciary duties by the directors and officers of Cogent Communications Holdings, Inc. (NASDAQ: CCOI). If you currently own shares of Cogent Communications stock, please visit the firm's website at https://rosenlegal.com/submit-form/?case_id=56076 for more information. You may also contact Phillip Kim of Rosen Law Firm toll free at 866-767-3653 or via email at case@r.

NEW YORK--(BUSINESS WIRE)--Rosen Law Firm, a global investor rights law firm, announces an investigation of potential breaches of fiduciary duties by the directors and officers of Cogent Communications Holdings, Inc. (NASDAQ: CCOI). If you currently own shares of Cogent Communications stock, please visit the firm's website at https://rosenlegal.com/submit-form/?case_id=56076 for more information. You may also contact Phillip Kim of Rosen Law Firm toll free at 866-767-3653 or via email at case@r.

WASHINGTON, March 13, 2026 /PRNewswire/ -- Cogent Communications Holdings, Inc.("Cogent") (NASDAQ: CCOI), one of the largest Internet service providers in the world, today announced that Dave Schaeffer, Cogent's Chief Executive Officer, will present at the following conference: The New Street x Boston Consulting Group Global Connectivity Leaders Conference is being held in New York, NY. Dave Schaeffer will be presenting on Thursday, March 26th at 4:45 p.m.