Bears Double Down: Wolfspeed & Chewy in Focus

Short sellers piled into Wolfspeed this week. SI % of Free Float hit 98.2% — nearly the entire float is shorted. That's up from 93.3% just seven days ago.

Chewy also attracted fresh shorts. Its SI % FF climbed to 53.1%, a 2.5 percentage point rise week-on-week. The pet retailer faces ongoing pressure from slowing e-commerce growth.

Columbia Sportswear saw one of the bigger moves among mid-caps. SI % FF jumped 3.6 points to 16.0%, suggesting growing concern over tariff exposure and consumer spending.

Robert Half hit 29.1% SI % FF, up almost 3 points in a week. The staffing firm is under pressure as hiring slows across corporate America.

On the squeeze side, KalVista Pharmaceuticals saw shorts flee — SI % FF dropped 8.5 points to 30.7%. ADT also saw a sharp unwind, falling 3.4 points to 5.2%.

NANO Nuclear Energy remains a social-media favourite. SI % FF sits at 26.5%, up 2.9 points, with cost to borrow at 4%. Bears and bulls are still fighting hard for the name.

Zoom beat earnings today on surging AI adoption. Its SI % FF is just 2.7% — shorts have largely stepped aside here.

Data as of 21 May 2026. Not financial advice.