Belgium: Monthly Stock Market Performance Insight - January 2026

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Monthly Gainers

Monthly Losers

Average Return

3.29%

Total Stocks

160

View Detailed Market Cap Breakdown

Market Cap	Monthly Gainers	Monthly Losers	Average Return	Total Stocks
Large Cap	32	9	8.01%	41
Mid Cap	26	9	2.72%	35

Monthly Streak Leaders for January 2026

All (9) Large Cap (4) Mid Cap (4) Small Cap (1)

Stock	Streak	Streak Return
K KBC Group NV \| KBC Financial Services \| Large Cap	9 months ↑	44.09%
KBC Group NV builds on success with a 9-month winning streak (82.52 → 118.90), delivering 44.1% gains. With 2.9B revenue generating only 546.0M profit (18.8% margin) in Qtr ending Mar 2025, the market prices in future margin expansion potential.
V Viohalco S.A \| VIO Industrials \| Large Cap	7 months ↑	129.02%
VIO has shown exceptional momentum with 7 consecutive positive months, delivering 129.02% returns.
S Solvay SA \| SOLB Basic Materials \| Large Cap	2 months ↓	-9.69%
Solvay SA pulls back after a 2-month decline (27.46 → 24.80), down 9.7%. Revenue of 1.2B provides a foundation, but 83.0M net income (6.7% margin) in Qtr ending Mar 2025 highlights operational challenges that need addressing.
X Xior Student Housing \| XIOR Real Estate \| Large Cap	2 months ↓	-3.94%
XIOR has posted 2 consecutive negative months with 3.94% losses.
I Ion Beam \| IBAB Healthcare \| Mid Cap	4 months ↑	43.96%
IBAB maintains strong performance with 4 straight positive months, gaining 43.96%.
H Hyloris \| HYL Healthcare \| Mid Cap	3 months ↑	35.71%
Hyloris starts to shine with a 3-month winning streak (5.88 → 7.98), delivering 35.7% gains. Despite 19,000 in revenue and - 2.2M loss (-11378.9% margin) as of Qtr ending Jun 2020, the market sees potential beyond current profitability. This momentum suggests confidence in future execution.
B Barco N.V \| BAR Technology \| Mid Cap	5 months ↓	-16.92%
BAR under pressure with 5 straight negative months, declining 16.92%.
N Nyxoah S.A \| NYXH Healthcare \| Mid Cap	3 months ↓	-10.55%
Nyxoah S.A takes a breather following a 3-month decline (4.55 → 4.07), down 10.5%. Financial struggles compound the decline: despite 2.0M revenue, - 23.6M losses persist (-1195.7% margin) as of Qtr ending Sep 2025. Until profitability improves, caution remains warranted.
C CMB Tech N.V \| CMBT Energy \| Small Cap	1 months ↑	32.25%
CMB Tech N.V gains traction with a 1-month winning streak (9.86 → 13.04), delivering 32.3% gains. The financials tell a compelling story: 235.0M revenue generating 40.4M net profit (17.2% margin) demonstrates exceptional profit margins as of Qtr ending Mar 2025.

Belgium Market Monthly Gainers & Losers: January 2026

All (20) Large Cap (10) Mid Cap (10)

Top Belgium Stock Gainers (January 2026)

Stock	Month Open	Month Close	Monthly Change	Avg Daily Volume	Month Volume
C CMB Tech N.V \| CMBT Energy \| Large Cap	€8.32	€10.94	34.90%	275.2K	6.1M
E Euronav NV \| EURN Energy \| Large Cap	€8.32	€10.68	31.69%	263.3K	5.8M
C Cenergy Holdings \| CENER Industrials \| Large Cap	€15.16	€19.34	27.07%	11.8K	260.4K
L Lotus Bakeries NV \| LOTB Consumer Defensive \| Large Cap	€7,980.00	€9,900.00	26.11%	962	21.2K
D D'Ieteren Group NV \| DIE Consumer Cyclical \| Large Cap	€156.20	€193.60	25.80%	73.5K	1.6M
I Ion Beam \| IBAB Healthcare \| Mid Cap	€12.84	€15.26	18.11%	38.5K	847.7K
H Hyloris \| HYL Healthcare \| Mid Cap	€6.76	€7.98	16.67%	14.9K	327.1K
A Atenor SA \| ATEB Real Estate \| Mid Cap	€2.44	€2.73	12.81%	19.4K	426.4K
M Moury Construct S.A \| MOUR Industrials \| Mid Cap	€578.00	€620.00	9.93%	58	1.3K
W What's Cooking \| WHATS Consumer Defensive \| Mid Cap	€113.00	€122.00	8.93%	435	9.6K

Biggest Belgium Stock Losers (January 2026)

Stock	Month Open	Month Close	Monthly Change	Avg Daily Volume	Month Volume
A Azelis Group NV \| AZE Basic Materials \| Large Cap	€9.42	€8.34	-10.80%	363.2K	8.0M
S Solvay SA \| SOLB Basic Materials \| Large Cap	€26.94	€24.80	-8.69%	451.7K	9.9M
A Ageas N.V \| AGS Financial Services \| Large Cap	€60.00	€57.75	-3.43%	213.7K	4.7M
X Xior Student Housing \| XIOR Real Estate \| Large Cap	€28.85	€28.05	-3.11%	53.9K	1.2M
M Montea N.V \| MONT Real Estate \| Large Cap	€72.60	€71.50	-2.32%	27.3K	601.5K
M Mopoli Parts des \| MOPF Financial Services \| Mid Cap	€9,900.00	€7,700.00	-18.95%	0	2
K Kinepolis Group NV \| KIN Communication Services \| Mid Cap	€30.10	€26.70	-11.00%	44.9K	987.6K
F Floridienne S.A \| FLOB Industrials \| Mid Cap	€625.00	€625.00	-5.30%	54	1.2K
O Onward Medical N.V \| ONWD Healthcare \| Mid Cap	€4.51	€4.32	-3.79%	158.5K	3.5M
V Vastned Retail N.V \| VASTB Real Estate \| Mid Cap	€31.10	€30.00	-3.54%	6.2K	137.0K

Most Active Belgium Stocks During January 2026

All (10) Large Cap (5) Mid Cap (5)

Stock	Month Open	Month Close	Monthly Change	Avg Daily Volume	Monthly Volume
A Anheuser-Busch InBev \| ABI Consumer Defensive \| Large Cap	€54.28	€60.08	9.44%	1.5M	32.0M
U Umicore \| UMI Industrials \| Large Cap	€17.95	€20.16	12.63%	588.9K	13.0M
S Solvay SA \| SOLB Basic Materials \| Large Cap	€26.94	€24.80	-8.69%	451.7K	9.9M
A Azelis Group NV \| AZE Basic Materials \| Large Cap	€9.42	€8.34	-10.80%	363.2K	8.0M
W Warehouses De Pauw \| WDP Communication Services \| Large Cap	€22.04	€24.16	9.22%	329.8K	7.3M
B Bpost SA \| BPOST Industrials \| Mid Cap	€2.04	€2.18	6.34%	169.4K	3.7M
O Onward Medical N.V \| ONWD Healthcare \| Mid Cap	€4.51	€4.32	-3.79%	158.5K	3.5M
O Ontex Group N.V \| ONTEX Consumer Defensive \| Mid Cap	€4.90	€4.93	0.61%	128.8K	2.8M
B Barco N.V \| BAR Technology \| Mid Cap	€11.85	€11.64	-1.69%	122.3K	2.7M
D Deceuninck NV \| DECB Industrials \| Mid Cap	€2.27	€2.31	1.76%	78.3K	1.7M