TimesSquare Capital Management, an equity investment management company, released its “U.S. Mid Cap Growth Strategy” first-quarter 2026 investor letter. A copy of the letter can be downloaded here. The Strategy fell 7.72% (net) in the quarter compared to -6.35% for the Russell Midcap Growth Index. In the first quarter, markets navigated geopolitical tensions and economic resilience alongside temporary global tariffs. High oil prices and supply chain disruptions followed U.S. and Israeli involvement in Iran, prompting a shift to safer assets and a reevaluation of supply chains and energy dependencies. Central banks maintained steady policies despite energy-driven inflation. In this environment, the Strategy remains focused on disciplined management teams with durable competitive advantages. Please review the Strategy’s top five holdings to gain insights into their key selections for 2026.
In its first-quarter 2026 investor letter, TimesSquare Capital U.S. Mid Cap Growth Strategy highlighted Interactive Brokers Group, Inc. (NASDAQ:IBKR). Interactive Brokers Group, Inc. (NASDAQ:IBKR) is an automated electronic broker that provides trading, clearing, and custody services. On June 29, 2026, Interactive Brokers Group, Inc. (NASDAQ:IBKR) closed at $88.20 per share. One-month return of Interactive Brokers Group, Inc. (NASDAQ:IBKR) was -0.59%, and its shares gained 56.61% over the past 52 weeks. Interactive Brokers Group, Inc. (NASDAQ:IBKR) has a market capitalization of $149.61 billion.
TimesSquare Capital U.S. Mid Cap Growth Strategy stated the following regarding Interactive Brokers Group, Inc. (NASDAQ:IBKR) in its Q1 2026 investor letter:
“In the Financials sector, we tend to avoid banks experiencing credit deterioration or rising deposit costs, preferring asset managers, specialized insurance companies, or financial technology providers. Electronic broker Interactive Brokers Group, Inc. (NASDAQ:IBKR) edged forward by 4% over the quarter. Account growth and trading volume were contributing factors in their latest results.”

Interactive Brokers Group, Inc. (NASDAQ:IBKR) is not on our list of 40 Most Popular Stocks Among Hedge Funds Heading Into 2026. According to our database, 70 hedge fund portfolios held Interactive Brokers Group, Inc. (NASDAQ:IBKR) at the end of the first quarter, compared to 81 in the previous quarter. While we acknowledge the risk and potential of Interactive Brokers Group, Inc. (NASDAQ:IBKR) as an investment, our conviction lies in the belief that some AI stocks hold greater promise for delivering higher returns and doing so within a shorter time frame. If you are looking for an AI stock that is more promising than Interactive Brokers Group, Inc. (NASDAQ:IBKR) and that has 10,000% upside potential, check out our report about this cheapest AI stock.
In another article, we covered Interactive Brokers Group, Inc. (NASDAQ:IBKR) and shared a bullish thesis on the company. In addition, please check out our hedge fund investor letters Q1 2026 page for more investor letters from hedge funds and other leading investors.
READ NEXT: 33 Stocks That Should Double in 3 Years and 15 Stocks That Will Make You Rich in 10 Years.
Disclosure: None. This article is originally published at Insider Monkey.






