Carlson Capital said that it opposes the proposed acquisition of FiberNet by Zayo Group, calling Zayo's $11.45-a-share offer far below the company's intrinsic value. Carlson believes the true value exceeds $14.50 per share. Carlson Capital believes that FiberNet's stock value historically has been depressed, owing to factors such as limited trading liquidity. FiberNet has said that it will solicit superior proposals from third parties until June 17. Carlson Capital currently holds a 10.1% stake in the company.

A group including Glenhill Advisors raised its holdings to 6,000,000 shares (24.3%) by purchasing 4,320,112 from April 16 to May 27 at $2.33 to $3.28 per share.

Harbinger Capital Partners Master Fund lowered its stake to 24,073,520 shares (25.5%) by selling 1,304,622 from May 28 to June 3 at $4.88 to $6.06 per share.

Shamrock Activist Value Fund lowered its holdings to 669,205 shares (7.31% of the total outstanding) by selling 136,800 from June 3 to 5 at $4.90 to $5.10 a share.

A group including Inland American Real Estate Trust cut its holdings to 394,764 shares (4.97%) by selling 87,516 from May 4 to June 5 at $18.20 to $18.66 each.

A group including HBK Investments lowered its holdings to 2,735,456 shares (10.2%) by selling 281,000 on June 4 and 5 at $8.04 to $8.05 a share.

A group including Steel Partners II reduced its position to 6,884,100 shares (6.5%) by selling 1,454,056 from May 20 to June 5 at $7.50 to $8.10 each.

Elliott Associates and Endologix entered into an agreement allowing Elliott to acquire up to 20% of the company's common stock. In the case of ELGX, the board had rejected Elliott's previous offer to acquire the company. By insisting on prior approval by the company of prospective share acquisitions up to 20% of total ownership, Elliott is reserving its right to buy the company in the future. Without such approval, Delaware law would restrict an acquisition of the company by Elliott for up to three years.