Biggest short-interest movers, October 29, 2026: Critical Metals leads the builds, CVS tops Europe

US

Short sellers added most to Critical Metals (CRML): short interest rose 2.6 points in a session to 40.2% of free float, the highest reading in at least a year, and is up 6.6 points on the week, while the stock gained 28.4% over the week.

The largest cover was in Quantinuum (QNT), where short interest fell 3.0 points to 19.8%, while the stock gained 4.4% over the week.

Across the 2193 US stocks above $1B we track, short interest rose in 994 and fell in 1182; 4 of the 10 biggest builds were in Biotechnology.

Biggest short-interest builds: US

Company	Ticker	SI % free float	1-day change	1-week change	Days to cover	Cost to borrow
Critical Metals Corp.	CRML	40.2%	+2.6 pts	+6.6 pts	5.3	165.18%
PROG Holdings, Inc.	PRG	10.6%	+2.0 pts	+1.8 pts	5.6	0.49%
Enact Holdings, Inc.	ACT	12.4%	+1.1 pts	+2.2 pts	7.8	0.51%
SELLAS Life Sciences Group, Inc.	SLS	28.0%	+0.96 pts	+0.61 pts	8.5	7.61%
Icahn Enterprises L.P.	IEP	36.8%	+0.95 pts	+1.6 pts	14.8	1.19%
AXT, Inc.	AXTI	21.8%	+0.86 pts	+1.6 pts	1.4	0.40%
Replimune Group, Inc.	REPL	34.0%	+0.85 pts	+5.3 pts	9.7	0.46%
Verastem, Inc.	VSTM	17.0%	+0.80 pts	+3.1 pts	3.1	0.41%
Rush Enterprises, Inc.	RUSH.B	7.7%	+0.79 pts	+0.57 pts	9.3	0.31%
Freenome, Inc.	FRNM	10.6%	+0.77 pts	+3.3 pts	7.5	1.79%

Biggest short-interest covers: US

Company	Ticker	SI % free float	1-day change	1-week change	Days to cover	Cost to borrow
Quantinuum Inc.	QNT	19.8%	-3.0 pts	+1.2 pts	2.9	0.79%
ChronoScale Holdings Corporation	CHRN	20.5%	-2.8 pts	+7.1 pts	5.5	23.14%
GPGI, Inc.	GPGI	19.7%	-2.3 pts	-0.27 pts	18.4	0.75%
The Clorox Company	CLX	8.9%	-1.7 pts	-1.4 pts	4.5	0.51%
Jersey Mike's Subs Inc.	JMKE	8.8%	-1.2 pts	-2.4 pts	3.7	1.00%
Grindr Inc.	GRND	19.4%	-1.1 pts	+4.9 pts	4.5	0.57%
Riley Exploration Permian, Inc.	REPX	7.0%	-1.1 pts	-0.15 pts	4.7	0.50%
Celanese Corporation	CE	5.6%	-0.90 pts	-0.62 pts	4.0	0.44%
Antero Midstream Corporation	AM	4.1%	-0.87 pts	+0.37 pts	4.9	0.36%
TIC Solutions, Inc.	TIC	21.6%	-0.78 pts	-0.74 pts	16.0	0.32%

Europe

Short sellers added most to CVS (CVSG): short interest rose 1.1 points in a session to 7.3% of free float, the highest reading in at least a year.

The largest cover was in Amplifon (AMP), where short interest fell 1.2 points to 3.8%.

Across the 1067 European stocks above $1B we track, short interest rose in 354 and fell in 352.

CPR, LEG and OET were also among the biggest builds in the previous edition.

Biggest short-interest builds: Europe

Company	Ticker	SI % free float	1-day change	1-week change	Days to cover	Cost to borrow
CVS Group plc	CVSG	7.3%	+1.1 pts	+1.1 pts	14.4	0.67%
Davide Campari-Milano N.V.	CPR	13.9%	+0.79 pts	+4.4 pts	13.2	0.87%
Naturgy Energy Group, S.A.	NTGY	0.9%	+0.76 pts	-0.44 pts	1.8	1.01%
Breedon Group plc	BREE	16.6%	+0.75 pts	+0.91 pts	46.6	0.60%
Ocado Group plc	OCDO	18.4%	+0.72 pts	+0.85 pts	27.4	0.60%
Nanobiotix S.A.	NANO	3.7%	+0.62 pts	+1.9 pts	6.4	8.96%
Forvia SE	FRVIA	4.9%	+0.61 pts	+0.66 pts	7.7	0.74%
International Workplace Group plc	IWG	9.6%	+0.54 pts	+0.27 pts	11.3	0.57%
LEG Immobilien SE	LEG	7.9%	+0.52 pts	+3.0 pts	9.6	1.01%
Okeanis Eco Tankers Corp.	OET	3.3%	+0.48 pts	+1.5 pts	6.8	1.69%

Biggest short-interest covers: Europe

Company	Ticker	SI % free float	1-day change	1-week change	Days to cover	Cost to borrow
Amplifon S.p.A.	AMP	3.8%	-1.2 pts	-1.2 pts	3.0	0.73%
Solaria Energía y Medio Ambiente, S.A.	SLR	12.2%	-0.74 pts	+2.1 pts	8.8	0.75%
Pennon Group Plc	PNN	13.8%	-0.62 pts	-1.1 pts	13.0	0.73%
AIXTRON SE	AIXA	3.5%	-0.51 pts	-0.55 pts	4.3	0.73%
Wizz Air Holdings Plc	WIZZ	11.9%	-0.45 pts	-0.43 pts	16.2	4.77%
Symrise AG	SY1	0.4%	-0.45 pts	-0.81 pts	1.4	0.76%
Rémy Cointreau SA	RCO	19.9%	-0.43 pts	-1.8 pts	48.3	1.41%
Vesuvius plc	VSVS	1.2%	-0.41 pts	-0.41 pts	2.1	0.61%
JD Sports Fashion Plc	JD.	7.7%	-0.39 pts	-0.61 pts	14.3	0.56%
NKT A/S	NKT	8.5%	-0.38 pts	-1.8 pts	28.7	0.78%