MBX Biosciences Inc [MBX] short interest surges, jumping by 4.97 million million shares

The buying and selling of stock by a company’s insider give investors a sense that the stock will rise or fall in the future. MBX Biosciences Inc shares valued at $45,312 were purchased by Pescovitz Ora H. on Apr 08 ’25. At $5.89 per share, Pescovitz Ora H. acquired 7,693 shares. The insider’s holdings grew to 24,329 shares worth approximately $0.32 million following the completion of this transaction.

Also, GORDON CARL L purchased 143,170 shares, netting a total of over 1,551,963 in proceeds. Following the buying of shares at $10.84 each, the insider now holds 3,255,000 shares.

Before that, GORDON CARL L had added 47,502 shares to its account. In a trade valued at $468,793, the Director bought MBX Biosciences Inc shares for $9.87 each. Upon closing the transaction, the insider’s holdings increased to 47,502 shares, worth approximately $41.77 million.

As published in their initiating research note from Oppenheimer on July 16, 2025, MBX Biosciences Inc [MBX] has been an Outperform and the price target has been revised to $38. Analysts at Citizens JMP started covering the stock with ‘”a Mkt outperform”‘ outlook in a report released in early April. As of October 08, 2024, Stifel has initiated its “Buy” rating for MBX. Earlier on October 08, 2024, JP Morgan initiated its rating. Their recommendation was “an Overweight” for MBX stock.

Analyzing MBX Stock Performance

On last trading session,, MBX Biosciences Inc [NASDAQ: MBX] plunged -4.75% to $13.03. The stock’s lowest price that day was $12.94, but it reached a high of $14.2 in the same session. During the last five days, there has been a surge of approximately 6.85%.

Support And Resistance Levels for MBX Biosciences Inc (MBX)

According to the 24-hour chart, there is a support level at 12.58, which, if violated, would cause prices to drop to 12.13. In the upper region, resistance lies at 13.84. The next price resistance is at 14.65. RSI (Relative Strength Index) is 55.12 on the 14-day chart, showing neutral technical sentiment.

Is MBX Biosciences Inc subject to short interest?

Stocks of MBX Biosciences Inc saw a sharp rise in short interest on 2025-06-30 jumping by 0.22 million shares to 4.97 million. Data from Yahoo Finance shows that the short interest on 2025-05-30 was 4.75 million shares. A jump of 4.52% in short interest reflects a negative sentiment towards the stock. Despite the fact that short shares comprise just 15.59 of the overall float, the days-to-cover ratio (short ratio) jumped to 15.59.

Which companies own the most shares of MBX Biosciences Inc (MBX)?

In terms of MBX Biosciences Inc share price expectations, FactSet research, analysts set an average price target of 44 in the next 12 months, up nearly 221.64% from the previous closing price of $13.68. Analysts anticipate MBX Biosciences Inc stock to reach 44 by 2025, with the lowest price target being 44. On October 08, 2024, Jefferies assigned a price target of “a Buy” to the stock and initiated coverage with a $35.

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