--- title: "10 Health Care Stocks Whale Activity In Today's Session" type: "News" locale: "en" url: "https://longbridge.com/en/news/270799459.md" description: "Today's session highlights significant whale activity in healthcare stocks, with options trading showing varied sentiments. Notable trades include bearish calls for MRK and PFE, bullish calls for LLY and REGN, and bullish puts for MRUS and ZTS. Neutral trades were observed for MDGL and NTLA. These activities indicate potential trading opportunities as option prices diverge from their normal values." datetime: "2025-12-25T17:35:20.000Z" locales: - [zh-CN](https://longbridge.com/zh-CN/news/270799459.md) - [en](https://longbridge.com/en/news/270799459.md) - [zh-HK](https://longbridge.com/zh-HK/news/270799459.md) generator: "portal-rs" --- # 10 Health Care Stocks Whale Activity In Today's Session This whale alert can help traders discover the next big trading opportunities. Whales are entities with large sums of money and we track their transactions here at Benzinga on our options activity scanner. Traders will search for circumstances when the market estimation of an option diverges heavily from its normal worth. High amounts of trading activity could push option prices to exaggerated or underestimated levels. Here's the list of options activity happening in today's session: | **Symbol** | **PUT/CALL** | **Trade Type** | **Sentiment** | **Exp. Date** | **Strike Price** | **Total Trade Price** | **Open Interest** | **Volume** | | ---------- | ------------ | -------------- | ------------- | ------------- | ---------------- | --------------------- | ----------------- | ---------- | | MRK | CALL | TRADE | BEARISH | 01/16/26 | $110.00 | $30.0K | 13.7K | 3.1K | | PFE | PUT | SWEEP | BEARISH | 03/20/26 | $23.00 | $29.7K | 25.3K | 897 | | LLY | CALL | SWEEP | BULLISH | 01/16/26 | $1100.00 | $157.6K | 1.9K | 435 | | MRUS | PUT | TRADE | BULLISH | 01/16/26 | $95.00 | $40.0K | 1.6K | 188 | | MDGL | CALL | TRADE | NEUTRAL | 01/16/26 | $520.00 | $119.6K | 568 | 57 | | ABT | PUT | TRADE | BEARISH | 01/15/27 | $120.00 | $42.2K | 953 | 50 | | ZTS | PUT | SWEEP | BULLISH | 04/17/26 | $125.00 | $34.3K | 193 | 44 | | NTLA | CALL | TRADE | NEUTRAL | 01/21/28 | $2.50 | $29.8K | 953 | 40 | | REGN | CALL | TRADE | BULLISH | 03/20/26 | $810.00 | $60.9K | 81 | 39 | | ABVX | PUT | TRADE | BULLISH | 08/21/26 | $120.00 | $90.6K | 12 | 0 | ## Explanation These bullet-by-bullet explanations have been constructed using the accompanying table. • For **MRK** (NYSE:MRK), we notice a **call** option **trade** that happens to be **bearish**, expiring in 22 day(s) on **January 16, 2026**. This event was a transfer of **235** contract(s) at a **$110.00** strike. The total cost received by the writing party (or parties) was **$30.0K**, with a price of **$128.0** per contract. There were **13781** open contracts at this strike prior to today, and today **3189** contract(s) were bought and sold. • Regarding **PFE** (NYSE:PFE), we observe a **put** option **sweep** with **bearish** sentiment. It expires in 85 day(s) on **March 20, 2026**. Parties traded **743** contract(s) at a **$23.00** strike. This particular put needed to be split into 12 different trades to become filled. The total cost received by the writing party (or parties) was **$29.7K**, with a price of **$40.0** per contract. There were **25325** open contracts at this strike prior to today, and today **897** contract(s) were bought and sold. • Regarding **LLY** (NYSE:LLY), we observe a **call** option **sweep** with **bullish** sentiment. It expires in 22 day(s) on **January 16, 2026**. Parties traded **72** contract(s) at a **$1100.00** strike. This particular call needed to be split into 15 different trades to become filled. The total cost received by the writing party (or parties) was **$157.6K**, with a price of **$2190.0** per contract. There were **1981** open contracts at this strike prior to today, and today **435** contract(s) were bought and sold. • Regarding **MRUS** (NASDAQ:MRUS), we observe a **put** option **trade** with **bullish** sentiment. It expires in 22 day(s) on **January 16, 2026**. Parties traded **50** contract(s) at a **$95.00** strike. The total cost received by the writing party (or parties) was **$40.0K**, with a price of **$800.0** per contract. There were **1603** open contracts at this strike prior to today, and today **188** contract(s) were bought and sold. • For **MDGL** (NASDAQ:MDGL), we notice a **call** option **trade** that happens to be **neutral**, expiring in 22 day(s) on **January 16, 2026**. This event was a transfer of **13** contract(s) at a **$520.00** strike. The total cost received by the writing party (or parties) was **$119.6K**, with a price of **$9200.0** per contract. There were **568** open contracts at this strike prior to today, and today **57** contract(s) were bought and sold. • Regarding **ABT** (NYSE:ABT), we observe a **put** option **trade** with **bearish** sentiment. It expires in 386 day(s) on **January 15, 2027**. Parties traded **50** contract(s) at a **$120.00** strike. The total cost received by the writing party (or parties) was **$42.2K**, with a price of **$845.0** per contract. There were **953** open contracts at this strike prior to today, and today **50** contract(s) were bought and sold. • For **ZTS** (NYSE:ZTS), we notice a **put** option **sweep** that happens to be **bullish**, expiring in 113 day(s) on **April 17, 2026**. This event was a transfer of **44** contract(s) at a **$125.00** strike. This particular put needed to be split into 20 different trades to become filled. The total cost received by the writing party (or parties) was **$34.3K**, with a price of **$780.0** per contract. There were **193** open contracts at this strike prior to today, and today **44** contract(s) were bought and sold. • Regarding **NTLA** (NASDAQ:NTLA), we observe a **call** option **trade** with **neutral** sentiment. It expires in 757 day(s) on **January 21, 2028**. Parties traded **40** contract(s) at a **$2.50** strike. The total cost received by the writing party (or parties) was **$29.8K**, with a price of **$745.0** per contract. There were **953** open contracts at this strike prior to today, and today **40** contract(s) were bought and sold. • Regarding **REGN** (NASDAQ:REGN), we observe a **call** option **trade** with **bullish** sentiment. It expires in 85 day(s) on **March 20, 2026**. Parties traded **14** contract(s) at a **$810.00** strike. The total cost received by the writing party (or parties) was **$60.9K**, with a price of **$4350.0** per contract. There were **81** open contracts at this strike prior to today, and today **39** contract(s) were bought and sold. • For **ABVX** (NASDAQ:ABVX), we notice a **put** option **trade** that happens to be **bullish**, expiring in 239 day(s) on **August 21, 2026**. This event was a transfer of **40** contract(s) at a **$120.00** strike. The total cost received by the writing party (or parties) was **$90.6K**, with a price of **$2265.0** per contract. There were **12** open contracts at this strike prior to today, and today **0** contract(s) were bought and sold. **Options Alert Terminology** - **Call Contracts:** The right to buy shares as indicated in the contract. - **Put Contracts:** The right to sell shares as indicated in the contract. - **Expiration Date:** When the contract expires. One must act on the contract by this date if one wants to use it. - **Premium/Option Price:** The price of the contract. For more information, visit our *Guide to Understanding Options Alerts* or read more about unusual options activity. This article was generated by Benzinga's automated content engine and reviewed by an editor. ### Related Stocks - [LLY.US](https://longbridge.com/en/quote/LLY.US.md) - [MRUS.US](https://longbridge.com/en/quote/MRUS.US.md) - [REGN.US](https://longbridge.com/en/quote/REGN.US.md) ## Related News & Research - [Eli Lilly and Company $LLY Shares Purchased by Integrated Wealth Concepts LLC](https://longbridge.com/en/news/298698438.md) - [Eli Lilly and QurCan sign genetic medicine deal](https://longbridge.com/en/news/299162046.md) - [Is Addus HomeCare (ADUS) Undervalued As Acquisitions And Medicaid Exposure Come Into Focus?](https://longbridge.com/en/news/299152652.md) - [QUICK SPARK: Diesel Squeeze Puts Valero Stock On Pace For Best Year Ever, Up 140%](https://longbridge.com/en/news/299076074.md) - [Insider Selling: Terrill Pitkin Unloads $322K Of Par Pacific Hldgs Stock](https://longbridge.com/en/news/299205239.md) --- > **Disclaimer: This article is for reference only and does not constitute any investment advice.**