Employees Retirement System of Texas maintained its stake in shares of Prothena Corporation PLC (NASDAQ:PRTA) during the 2nd quarter, according to the company in its most recent 13F filing with the SEC. The institutional investor owned 91,000 shares of the biotechnology company’s stock at the close of the 2nd quarter. Employees Retirement System of Texas owned 0.24% of Prothena Corporation PLC worth $4,925,000 at the end of the most recent reporting period.

Other hedge funds and other institutional investors also recently modified their holdings of the company. Bank of Montreal Can boosted its position in shares of Prothena Corporation PLC by 6.7% during the 2nd quarter. Bank of Montreal Can now owns 1,858 shares of the biotechnology company’s stock worth $100,000 after purchasing an additional 117 shares in the last quarter. Quantbot Technologies LP boosted its position in shares of Prothena Corporation PLC by 672.7% during the 2nd quarter. Quantbot Technologies LP now owns 1,870 shares of the biotechnology company’s stock worth $101,000 after purchasing an additional 1,628 shares in the last quarter. Zurcher Kantonalbank Zurich Cantonalbank boosted its position in shares of Prothena Corporation PLC by 187.5% during the 2nd quarter. Zurcher Kantonalbank Zurich Cantonalbank now owns 2,375 shares of the biotechnology company’s stock worth $129,000 after purchasing an additional 1,549 shares in the last quarter. Ameritas Investment Partners Inc. purchased a new stake in shares of Prothena Corporation PLC during the 1st quarter worth $167,000. Finally, Sei Investments Co. purchased a new stake in shares of Prothena Corporation PLC during the 2nd quarter worth $176,000.

In related news, insider Tara Nickerson sold 17,500 shares of the stock in a transaction on Monday, September 25th. The stock was sold at an average price of $63.60, for a total value of $1,113,000.00. Following the completion of the transaction, the insider now owns 19,500 shares in the company, valued at approximately $1,240,200. The transaction was disclosed in a filing with the Securities & Exchange Commission, which is available at the SEC website. Also, Director Dennis J. Selkoe sold 3,500 shares of the stock in a transaction on Monday, October 2nd. The shares were sold at an average price of $64.17, for a total value of $224,595.00. The disclosure for this sale can be found here. Insiders sold a total of 34,424 shares of company stock valued at $2,247,237 in the last quarter. 3.10% of the stock is currently owned by corporate insiders.

Several research firms have recently issued reports on PRTA. Royal Bank Of Canada reaffirmed a “buy” rating on shares of Prothena Corporation PLC in a research note on Friday, September 29th. ValuEngine downgraded Prothena Corporation PLC from a “hold” rating to a “sell” rating in a research note on Friday. SunTrust Banks, Inc. reaffirmed a “buy” rating and set a $75.00 price target on shares of Prothena Corporation PLC in a research note on Monday. BTIG Research cut their price target on Prothena Corporation PLC from $80.00 to $77.00 and set a “buy” rating for the company in a research note on Friday, September 29th. Finally, Jefferies Group LLC reaffirmed a “buy” rating and set a $100.00 price target on shares of Prothena Corporation PLC in a research note on Monday. One analyst has rated the stock with a sell rating and fourteen have given a buy rating to the company. Prothena Corporation PLC has a consensus rating of “Buy” and an average price target of $78.58.

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Prothena Corporation PLC (NASDAQ PRTA) opened at 62.60 on Friday. The firm’s market cap is $2.40 billion. The company has a 50-day moving average of $61.51 and a 200 day moving average of $57.20. Prothena Corporation PLC has a 52 week low of $40.58 and a 52 week high of $70.00.

Prothena Corporation PLC (NASDAQ:PRTA) last released its quarterly earnings results on Tuesday, August 8th. The biotechnology company reported ($0.46) earnings per share for the quarter, beating the Zacks’ consensus estimate of ($0.89) by $0.43. Prothena Corporation PLC had a negative return on equity of 33.20% and a negative net margin of 527.56%. The business had revenue of $26.81 million during the quarter, compared to analyst estimates of $16.08 million. During the same quarter last year, the company posted ($1.18) EPS. Prothena Corporation PLC’s revenue for the quarter was up 7951.1% on a year-over-year basis. On average, equities analysts predict that Prothena Corporation PLC will post ($4.41) earnings per share for the current year.

Prothena Corporation PLC Company Profile

Prothena Corporation Public Limited Company is a global biotechnology company. The Company is focused on the discovery, development and commercialization of immunotherapies for the treatment of diseases that involve protein misfolding or cell adhesion. The Company’s clinical pipeline of antibody-based product candidates targets a range of indications, including Amyloid Light-chain (AL) amyloidosis (NEOD001), Parkinson’s disease and other related synucleinopathies (PRX002), and inflammatory diseases, including psoriasis and psoriatic arthritis (PRX003) and ATTR amyloidosis (PRX004).

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Institutional Ownership by Quarter for Prothena Corporation PLC (NASDAQ:PRTA)

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