Trending on peHUB this week: disgruntled LPs, Twitter, Dick Costolo, Marc Andreessen, TPG, Quintiles, Northern Tier, Apollo, Blackstone, NYSTRS, Grotech Ventures, LBO returns and CTI Foods

Not everyone buys Twitter’s foot-dragging act. PrivCo, a New York-based research firm that focuses on private companies, believes Twitter will file to go public in the fourth quarter of this year, largely because of Facebook’s botched public offering last year.

It’s a poorly kept secret in the startup world that in March, a new book that takes the deepest dive yet into the many trade-offs entrepreneurs face will be published. The reason it’s so highly anticipated? Because the book, The Founder’s Dilemmas, authored by Harvard Business School professor Noam Wasserman, is the culmination of roughly [...]

Steve Jobs was one of very few people who could be called a legend in his own time. The college dropout co-founded Apple in 1976 and grew it into the most valuable company in the world, inspiring countless entrepreneurs along the way.

There are sure to be a litany of obituaries and stories about Jobs in the coming days, but we want to know what Jobs meant to you. Please share your thoughts and memories below.

(Reuters) – Only about half of Twitter’s 200 million-plus registered members log on daily but the microblogging website is chalking up growth of 40% every quarter in mobile device usage, Chief Executive Dick Costolo said on Thursday. Twitter, one of a coterie of Internet social networking services like Facebook and Google Inc.’s embryonic “Google+”, is [...]

(Reuters) – Twitter Chief Executive Dick Costolo called secondary markets a distraction and expects private companies will increasingly enact policies to restrict the trading of its shares on those unregulated exchanges.

Microblogging service Twitter, along with fellow red-hot social media companies Zynga and Facebook, have already had to put in place “lots of policies to constrain that,” Costolo told the audience at a Fortune conference in Aspen, Colo.

In December, an investment led by venture capital firm Kleiner Perkins valued the company at $4 billion. Since then, an $80 million investment by Andreessen Horowitz in February on the private markets valued Twitter at $4 billion, and recent transactions have accorded the company a price tag of as much as

(Reuters) – Reports that Google has held takeover talks with Twitter that value the microblogging site at as much as $10 billion are “just a rumor,” Chief Executive Dick Costolo said on Monday. Asked at the Mobile World Congress fair in Barcelona whether Google could afford a $10 billion acquisition, Costolo replied: “I don’t know [...]

SAN FRANCISCO (Reuters) – Twitter, the rapidly expanding microblogging service, plans to have hundreds of advertisers using its new ad system in the fourth quarter as the company ramps up plans to become a self-sustaining, profitable business. Chief Operating Officer Dick Costolo said the company’s newly-launched advertising system would provide a key pillar in Twitter’s [...]