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 | HÆGGSTRÖM EDVARD OLOF | 5,409,405 | 6.31% | 2026-03-27 |
| 2 | UNIVERSITY OF HELSINKI FUNDS | 4,397,719 | 5.13% | 2026-03-27 |
| 3 | MANDATUM LIFE INSURANCE COMPANY | 4,243,290 | 4.95% | 2026-03-27 |
| 4 | THE FOURTH SWEDISH NATIONAL PENSION FUND (AP4) | 4,075,000 | 4.76% | 2026-04-07 |
| 5 | VARMA MUTUAL PENSION INSURANCE COMPANY | 3,843,996 | 4.49% | 2026-03-27 |
| 6 | ARBEJDSMARKEDETS TILLAEGSPENSION (ATP) | 3,695,000 | 4.31% | 2025-12-31 |
| 7 | FALCK KAI EDVIN | 2,700,000 | 3.15% | 2026-03-27 |
| 8 | YLIRUUSI JOUKO KALERVO | 2,685,182 | 3.13% | 2026-03-27 |
| 9 | AVOHOIDON TUTKIMUSSÄÄTIÖ | 2,263,483 | 2.64% | 2026-03-27 |
| 10 | SP-FUND MANAGEMENT | 1,571,691 | 1.83% | 2026-03-31 |
| 11 | HOLDIX OY AB | 1,448,727 | 1.69% | 2026-03-27 |
| 12 | NORGES BANK INVESTMENT MANAGEMENT | 1,173,795 | 1.37% | 2026-02-25 |
| 13 | DANSKE INVEST | 1,142,409 | 1.33% | 2026-03-27 |
| 14 | EQ ASSET MANAGEMNET OY | 1,125,449 | 1.31% | 2026-03-27 |
| 15 | HANDELSBANKEN FUNDS | 1,025,000 | 1.20% | 2026-03-31 |
| 16 | ILMARINEN MUTUAL PENSION INSURANCE COMPANY | 920,462 | 1.07% | 2026-03-27 |
| 17 | LASSILA ILKKA JOHANNES | 860,000 | 1.00% | 2026-03-27 |
| 18 | HÆGGSTRÖM ALBERT ALEXANDER | 855,779 | 1.00% | 2026-04-01 |
| 19 | TURRET OY AB | 843,000 | 0.98% | 2026-03-27 |
| 20 | MANDATUM FUND MANAGEMENT | 838,553 | 0.98% | 2025-10-31 |
| 21 | OP ASSET MANAGEMENT | 773,280 | 0.90% | 2026-03-27 |
| 22 | HANDELSBANKEN LIV FÖRSÄKRING AB | 750,755 | 0.88% | 2026-03-27 |
| 23 | GH HOLDING OY | 600,000 | 0.70% | 2026-03-27 |
| 24 | SEAFARER'S PENSION FUND | 600,000 | 0.70% | 2026-03-27 |
| 25 | NANOFORM OY HENKILÖSTÖRAHASTO | 490,842 | 0.57% | 2026-03-27 |
| Top 25 known shareholders: | 48,332,817 | 56% | ||
| Other shareholders: | 37,337,036 | 44% | ||
| 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) | ||||