Source: Monitor by Modular Finance AB. Known 25 largest shareholders, compiled and processed data from various sources, including Euroclear Sweden, Euroclear Finland and Morningstar.
| Shareholder | Number of shares | Percentage of shares and votes (%) | Verified | |
| 1 | HANDELSBANKEN FUNDS | 6,269,364 | 7.33% | 2025-06-30 |
| 2 | HÆGGSTRÖM EDVARD OLOF | 5,409,405 | 6.31% | 2025-06-26 |
| 3 | UNIVERSITY OF HELSINKI FUNDS | 4,397,719 | 5.13% | 2025-06-26 |
| 4 | MANDATUM LIFE INSURANCE COMPANY | 4,311,834 | 5.03% | 2025-06-26 |
| 5 | THE FOURTH SWEDISH NATIONAL PENSION FUND (AP4) | 4,046,850 | 4.72% | 2025-07-04 |
| 6 | VARMA MUTUAL PENSION INSURANCE COMPANY | 3,843,996 | 4.49% | 2025-06-26 |
| 7 | ARBEJDSMARKEDETS TILLAEGSPENSION (ATP) | 3,695,000 | 4.32% | 2025-04-01 |
| 8 | DANSKE INVEST | 3,005,334 | 3.51% | 2025-06-26 |
| 9 | FALCK KAI EDVIN | 2,700,000 | 3.15% | 2025-06-26 |
| 10 | YLIRUUSI JOUKO KALERVO | 2,685,182 | 3.13% | 2025-06-26 |
| 11 | AVOHOIDON TUTKIMUSSÄÄTIÖ | 2,263,483 | 2.64% | 2025-06-26 |
| 12 | SP-FUND MANAGEMENT | 2,171,691 | 2.53% | 2025-06-26 |
| 13 | NORGES BANK INVESTMENT MANAGEMENT | 1,357,091 | 1.59% | 2025-04-28 |
| 14 | HOLDIX OY AB | 1,148,727 | 1.34% | 2025-06-26 |
| 15 | EQ ASSET MANAGEMNET OY | 1,125,449 | 1.31% | 2025-06-26 |
| 16 | OP ASSET MANAGEMENT | 1,094,944 | 1.28% | 2025-06-26 |
| 17 | ILMARINEN MUTUAL PENSION INSURANCE COMPANY | 920,462 | 1.07% | 2025-06-26 |
| 18 | LASSILA ILKKA JOHANNES | 860,000 | 1.00% | 2025-06-26 |
| 19 | MANDATUM FUND MANAGEMENT | 838,553 | 0.98% | 2025-01-31 |
| 20 | HÆGGSTRÖM ALBERT ALEXANDER | 805,779 | 0.94% | 2025-06-26 |
| 21 | TURRET OY AB | 793,000 | 0.93% | 2025-06-26 |
| 22 | HIGHCLERE INTERNATIONAL INVESTORS LLP | 781,480 | 0.91% | 2025-06-30 |
| 23 | HANDELSBANKEN LIV FÖRSÄKRING AB | 750,755 | 0.88% | 2025-06-26 |
| 24 | VISIO ASSET MANAGEMENT | 700,000 | 0.82% | 2025-06-30 |
| 25 | SEAFARER'S PENSION FUND | 600,000 | 0.70% | 2025-06-26 |
| Top 25 known shareholders: | 56,576,098 | 66% | ||
| Other shareholders: | 29,093,755 | 34% | ||
| Total: | 85,669,853 | 100% | ||
| Nanoform’s shares are listed on the Premier-segment of Nasdaq First North Growth Market in Helsinki (ticker: NANOFH) and Stockholm (ticker: NANOFS) | ||||