| UCI governed by Belgian law |  Number of institutions (end of period) | | 106 | 105 | 104 | 102 | 102 |
| Number of institutions (end of period) | Investment companies with variable capital | | 80 | 79 | 78 | 76 | 76 |
| Investment companies with variable capital | p.m. Compartments | | | | | | |
| p.m. Operating compartments | | 722 | 677 | 640 | 622 | 607 |
| Mutual investment funds | | 9 | 9 | 9 | 9 | 9 |
| Pension-saving funds | | 17 | 17 | 17 | 17 | 17 |
| Net inventory value (end of period) | | 195 625 | 212 463 | 189 176 | 184 306 | 195 503 |
| Net inventory value (end of period) | Investment companies with variable capital | | 164 398 | 179 677 | 161 032 | 155 880 | 164 802 |
| Mutual investment funds | | 6 932 | 7 227 | 6 464 | 6 461 | 7 032 |
| Pension-saving funds | | 24 295 | 25 559 | 21 680 | 21 965 | 23 668 |
| Subscriptions | | 35 399 | 67 866 | 41 287 | 19 317 | 26 896 |
| Repayments | | 25 745 | 50 020 | 32 635 | 20 082 | 26 461 |
| Net contributions | | 9 654 | 17 847 | 8 652 | -765 | 436 |
| Foreign UCI whose shares and other equity are issued publicly in Belgium | Number of institutions (end of period) | | 539 | 561 | 567 | 561 | 585 |
| Number of institutions (end of period) | by legal form | Investment companies with variable capital | | 420 | 438 | 447 | 441 | 454 |
| Investment companies with variable capital | p.m. Compartments | | 4 260 | 4 377 | 4 437 | 4 483 | 4 529 |
| Investment funds | | 119 | 123 | 120 | 120 | 131 |
| by category | Institutions with UCITS passport | | 537 | 559 | 566 | 560 | 584 |
| Institutions with UCITS passport | p.m. Compartments | | 4 504 | 4 624 | 4 691 | 4 733 | 4 793 |
| Institutions without UCITS passport | | 2 | 2 | 1 | 1 | 1 |
| Institutions without UCITS passport | p.m. Compartments | | 4 | 3 | 1 | 1 | 1 |
| Subscriptions in Belgium | | | | | | |
| Repayments in Belgium | | | | | | |
| Net contributions in Belgium | | | | | | |
| For information purposes: Net inventory value of UCI governed by Belgian and foreign law publicly spread in Belgium (end of period) | | 311 874 | 331 671 | 318 903 | 292 720 | 308 380 |