New York, July 4, 2025 – Tripadvisor (NASDAQ:TRIP) shares surged 17% on July 3, 2025, after activist investor Starboard Value disclosed a 9% stake valued at approximately $160 million, per a U.S. Securities and Exchange Commission filing, boosting its stock price to $17.50, as shown in the finance card above. The news, first reported by The Wall Street Journal, also lifted related travel and leisure stocks, with investors eyeing potential strategic shifts at Tripadvisor. Here’s the story, plus five steps to capitalize on activist investor moves, optimized for the keyword These stocks got a boost as Starboard Value took a big stake in Tripadvisor.

Starboard, led by Jeff Smith, purchased 10.6 million shares, citing Tripadvisor’s “undervalued” stock as an attractive opportunity, per Reuters. The hedge fund plans to engage with management to explore value-creation strategies, such as cost cuts or board changes, as it has done at Pfizer and Autodesk. Tripadvisor, valued at $1.96 billion, has faced sluggish growth in its core platform but saw strong 2024 revenue from subsidiaries Viator and TheFork, per Investing.com. Posts on X, like @siyul’s, noted a 20% weekly stock jump, while @notreload_ai highlighted Starboard’s history of pushing for sales. Other travel stocks, like Expedia (EXPE) and Booking Holdings (BKNG), gained 2-3% on July 3, per CNBC, as investors anticipated sector-wide optimism.

5 Steps to Capitalize on Activist Investor Moves

1. Monitor Filings for Stakes – Track SEC 13D filings, as Starboard’s was revealed July 3, to spot activist investments early. Use platforms like EDGAR or Benzinga for real-time alerts.
2. Analyze Target Companies – Assess Tripadvisor’s $1.52 billion market cap and growth segments like Viator, per the finance card above, to gauge investment potential. Check fundamentals like P/E ratios or revenue trends.
3. Watch Related Stocks – Starboard’s move lifted EXPE and BKNG. Identify sector peers via Yahoo Finance or MarketWatch to ride coattail gains, as travel stocks rallied post-news.
4. Evaluate Activist Track Records – Starboard’s success at Autodesk and Pfizer suggests impact. Research their history on Investopedia to predict outcomes like divestitures or leadership changes.
5. Act Swiftly but Cautiously – Tripadvisor’s 17% surge shows quick market reactions. Use limit orders to manage volatility, as Investing.com advises, and avoid chasing overhyped jumps.

What’s Next

Tripadvisor’s Q2 2025 earnings, projected for July 30, may reveal Starboard’s influence, per MarketScreener. Investors should monitor management discussions and sector trends, as related stocks like Expedia could see further gains. Check Bloomberg or X posts like @WSJmarkets for updates, and consider diversified travel ETFs to mitigate risk.