Sientra Inc (SIEN) Stock Surges on no News – What is causing this jump in price?


Sientra Inc (NASDAQ:SIEN) shares are trading up 5.26% this morning even though the company has not released any news. This has left some investors speculating on why it is jumping up and whether or not the jump will last. Others are looking at this as an opportunity to short the stock.

“Looking to short Sientra Inc (NASDAQ:SIEN) since its a green day,” wrote one investor, named Jason Two on StockTwits.”

Other investors see this as just the start to what could be a continual upward movement.

“(The) Company (is) trading essentially at book value after particle issues (were) SOLVED,” wrote another investor. “Was trading at $20 before those issues cropped up.”

Some believe that the stock has been greatly oversold over the past few days, thus this is merely a correction. Either way, it will be interesting to see how shares of Sientra Inc (NASDAQ:SIEN) perform prior to the long three-day weekend we have ahead. The stock closed at $7.98 during the last trading session. It is down 67.24% since July 9, 2015 and is downtrending. It has underperformed the S&P500 by 57.77%.

The institutional sentiment increased to 2.2 in Q2 2015. It’s up 0.32, from 1.88 in 2015Q2. The ratio improved, as 11 funds sold all their Sientra Inc shares they owned while 9 reduced their positions. 19 funds bought stakes while 25 increased their total positions. Institutions now own 15.84 million shares which is 8.27% more than the previous share count of 14.63 million in 2015Q2.

Clarus Ventures Llc holds 15.94% of its total portfolio in Sientra Inc, equating to 2.73 million shares. Abingworth Llp owns 2.20 million shares representing 13.04% of their total US portfolio. Moreover, Drill Craig A has 1.17% of their total portfolio invested in the company, equating to 81,314 shares. The California-based Omt Capital Management Llc has a total of 0.56% of their portfolio invested in the stock. Orbimed Advisors Llc, a New York-based fund reported 2.98 million shares owned.

Since September 28, 2015, the stock had 0 insider purchases, and 5 selling transactions for a total of $10.83 million in net activity. Orbimed Advisors Llc sold 287,891 shares worth $1.72M.

Sientra, Inc. is a medical aesthetics company. The company has a market cap of $143.59 million. The company’s primary products are silicone gel breast implants for use in breast augmentation and breast reconstruction procedures, which it offers in over 150 variations of shapes, sizes and textures. It currently has negative earnings. The Firm sells its breast implants and breast tissue expanders, or breast products to plastic surgeons.