Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
607 institutional managers reported holding NOK for the quarter ended Mar 31, 2026. Together they hold about 20% of shares outstanding; the top 10 hold 13%. 137 opened new positions; 69 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| FMR (Fidelity) | 222.40M | 4.11% | $1.78B | added +34.6% | ≤2013 |
| Nvidia CORP (focused) | 166.39M | 3.07% | $1.34B | unchanged | 2025 Q4 |
| Artisan Partners | 91.30M | 1.69% | $732.7M | trimmed -8.2% | 2021 Q2 |
| Pzena Investment Management | 63.43M | 1.17% | $509.0M | trimmed -31% | 2021 Q2 |
| Arrowstreet Capital | 41.86M | 0.77% | $335.9M | trimmed -11.6% | 2017 Q2 |
| Slate Path Capital LP (focused) | 35.84M | 0.66% | $287.6M | added +6.4% | 2024 Q1 |
| Arga Investment Management, LP | 20.39M | 0.38% | $163.6M | added +166.4% | 2025 Q4 |
| Turiya Advisors Asia LTD (focused) | 18.09M | 0.33% | $145.2M | opened | 2026 Q1 |
| Morgan Stanley | 16.01M | 0.30% | $128.5M | added +37.9% | ≤2013 |
| Point72 | 15.48M | 0.29% | $124.2M | trimmed -40.7% | 2025 Q1 |
| Thrivent Financial for Lutherans | 14.11M | 0.26% | $113.3M | trimmed -2.6% | 2025 Q2 |
| Goldman Sachs | 13.75M | 0.25% | $110.4M | added +73.6% | ≤2013 |
| Folketrygdfondet (focused) | 13.48M | 0.25% | $108.1M | trimmed -8% | 2014 Q4 |
| Jane Street | 13.38M | 0.25% | $107.4M | added +919.8% | 2014 Q1 |
| Renaissance Technologies | 13.29M | 0.24% | $106.7M | added +131.3% | 2020 Q1 |
| Citadel Advisors | 12.60M | 0.23% | $101.1M | trimmed -21% | 2016 Q3 |
| UBS | 11.85M | 0.22% | $95.1M | trimmed -27.5% | ≤2013 |
| Oaktree Capital (focused) | 11.20M | 0.21% | $89.9M | trimmed -40.3% | 2025 Q1 |
| Analog Century Management LP (focused) | 10.49M | 0.19% | $84.2M | trimmed -34.9% | 2025 Q4 |
| BlackRock | 10.43M | 0.19% | $83.7M | added +25% | 2020 Q4 |
| Millennium Management | 9.99M | 0.18% | $80.2M | trimmed -25.7% | 2013 Q3 |
| Marshall Wace | 9.97M | 0.18% | $80.0M | added +50.6% | 2024 Q3 |
| Ameriprise Financial INC | 9.17M | 0.17% | $73.6M | trimmed -11.4% | ≤2013 |
| Acadian Asset Management | 8.83M | 0.16% | $70.8M | added +112.6% | 2025 Q1 |
| WT Asset Management LTD (focused) | 8.62M | 0.16% | $69.1M | opened | 2026 Q1 |
| Defiance ETFs, LLC | 8.49M | 0.16% | $68.1M | trimmed -4.4% | 2025 Q4 |
| Penserra Capital Management LLC | 8.19M | 0.15% | $65.8M | trimmed -7.7% | 2018 Q3 |
| Susquehanna International Group | 7.83M | 0.14% | $62.9M | added +66.3% | ≤2013 |
| Alyeska Investment Group | 6.82M | 0.13% | $54.7M | trimmed -61% | 2024 Q4 |
| Qube Research & Technologies LTD | 6.71M | 0.12% | $53.8M | added +32.2% | 2024 Q2 |
| Freestone Grove Partners LP | 6.31M | 0.12% | $50.7M | added +9.3% | 2024 Q4 |
| SEI Investments CO | 6.18M | 0.11% | $49.6M | trimmed -6.8% | 2021 Q3 |
| Dimensional Fund Advisors | 5.97M | 0.11% | $47.9M | trimmed -4% | ≤2013 |
| Panview Capital LTD (focused) | 5.96M | 0.11% | $47.8M | opened | 2026 Q1 |
| Ceredex Value Advisors LLC | 5.68M | 0.10% | $45.6M | trimmed -20.8% | 2025 Q4 |
| Deutsche Bank AG\ | 5.43M | 0.10% | $43.6M | added +15.9% | ≤2013 |
| Samlyn Capital, LLC | 5.21M | 0.10% | $41.8M | opened | 2026 Q1 |
| Russell Investments Group, LTD. | 4.79M | 0.09% | $38.4M | trimmed -5.4% | 2016 Q4 |
| Mirae Asset Global Etfs Holdings LTD. | 4.50M | 0.08% | $36.1M | added +167354.6% | 2024 Q3 |
| Northern Trust | 4.11M | 0.08% | $33.0M | added +6.6% | ≤2013 |
| BIT Capital GmbH | 3.40M | 0.06% | $27.3M | opened | 2026 Q1 |
| First Trust Advisors LP | 3.19M | 0.06% | $25.6M | trimmed -10.1% | ≤2013 |
| Harvey Partners, LLC (focused) | 2.95M | 0.05% | $23.6M | trimmed -11.8% | 2025 Q1 |
| Talos Eurisko Asset Management LP (focused) | 2.67M | 0.05% | $21.4M | opened | 2026 Q1 |
| VAN ECK Associates CORP | 2.59M | 0.05% | $20.8M | added +11.7% | 2025 Q2 |
| NEW York State Common Retirement Fund | 2.54M | 0.05% | $20.4M | added +59.6% | 2025 Q4 |
| Philosophy Capital Management LLC (focused) | 2.50M | 0.05% | $20.1M | opened | 2026 Q1 |
| Troluce Capital Advisors LLC (focused) | 2.50M | 0.05% | $20.1M | opened | 2026 Q1 |
| Atreides Management, LP | 2.48M | 0.05% | $19.9M | opened | 2026 Q1 |
| Atwood & Palmer INC | 2.46M | 0.04% | $19.7M | opened | 2026 Q1 |
Largest 50 of 607 shown; the full ranked, searchable register is at boothcheck.com/holders/NOK. Related filers are grouped using the filings' own included-manager declarations. Historically, several managers opening new positions in the same quarter said almost nothing about the quarter that followed (59,118 cases since 2013). A filed record, not a forecast. Nothing here is investment advice.